{"id":12890,"date":"2023-02-07T21:54:00","date_gmt":"2023-02-07T13:54:00","guid":{"rendered":"http:\/\/139.9.1.231\/?p=12890"},"modified":"2023-02-07T13:55:29","modified_gmt":"2023-02-07T05:55:29","slug":"zhaohui","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2023\/02\/07\/zhaohui\/","title":{"rendered":"\u63a8\u8350\u7cfb\u7edf&#8211;\u53ec\u56de"},"content":{"rendered":"\n\n\n<h2>\u53ec\u56de01\uff1a\u57fa\u4e8e\u7269\u54c1\u7684\u534f\u540c\u8fc7\u6ee4\uff08ItemCF\uff09<\/h2>\n\n\n\n<p class=\"has-text-align-center\">Item Based Collaborative Filtering\uff0c\u7f29\u5199 ItemCF<\/p>\n\n\n\n<p>        ItemCF \u7684\u539f\u7406\uff1a\u5982\u679c\u7528\u6237\u559c\u6b22\u7269\u54c11\uff0c\u800c\u4e14\u7269\u54c11\u4e0e\u7269\u54c12\u76f8\u4f3c\uff0c\u90a3\u4e48\u7528\u6237\u5f88\u53ef\u80fd\u559c\u6b22\u7269\u54c12\u3002 <\/p>\n\n\n\n<p>1. \u5982\u4f55\u8ba1\u7b97\u4e24\u4e2a\u7269\u54c1\u4e4b\u95f4\u7684\u76f8\u4f3c\u5ea6\u3002 <\/p>\n\n\n\n<p>2. \u5982\u4f55\u9884\u4f30\u7528\u6237\u5bf9\u5019\u9009\u7269\u54c1\u7684\u5174\u8da3\u3002 <\/p>\n\n\n\n<p>3. \u5982\u4f55\u5229\u7528\u7d22\u5f15\u5728\u7ebf\u4e0a\u5feb\u901f\u505a\u53ec\u56de\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"441\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-69-1024x441.png\" alt=\"\" class=\"wp-image-12901\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-69-1024x441.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-69-300x129.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-69-768x331.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-69.png 1254w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4>  ItemCF\u7684\u5b9e\u73b0<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"564\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-70-1024x564.png\" alt=\"\" class=\"wp-image-12905\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-70-1024x564.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-70-300x165.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-70-768x423.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-70.png 1177w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>\u4e24\u4e2a\u7269\u4f53\u7684\u53d7\u4f17\u91cd\u5408\u5ea6\u8d8a\u9ad8\uff0c\u8868\u793a\u4e24\u4e2a\u7269\u4f53\u8d8a\u76f8\u4f3c\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"1002\" height=\"640\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-71.png\" alt=\"\" class=\"wp-image-12906\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-71.png 1002w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-71-300x192.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-71-768x491.png 768w\" sizes=\"(max-width: 1002px) 100vw, 1002px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"994\" height=\"183\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-72.png\" alt=\"\" class=\"wp-image-12910\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-72.png 994w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-72-300x55.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-72-768x141.png 768w\" sizes=\"(max-width: 994px) 100vw, 994px\" \/><figcaption>\u4f59\u5f26\u76f8\u4f3c\u5ea6<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"971\" height=\"539\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-73.png\" alt=\"\" class=\"wp-image-12912\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-73.png 971w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-73-300x167.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-73-768x426.png 768w\" sizes=\"(max-width: 971px) 100vw, 971px\" \/><\/figure>\n\n\n\n<p><em><strong>ItemCF\u5b8c\u6574\u6d41\u7a0b\uff1a<\/strong><\/em><\/p>\n\n\n\n<p>step1\uff1a\u4e8b\u5148\u505a\u79bb\u7ebf\u8ba1\u7b97<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"941\" height=\"485\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-74.png\" alt=\"\" class=\"wp-image-12914\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-74.png 941w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-74-300x155.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-74-768x396.png 768w\" sizes=\"(max-width: 941px) 100vw, 941px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"350\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-75-1024x350.png\" alt=\"\" class=\"wp-image-12916\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-75-1024x350.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-75-300x103.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-75-768x263.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-75.png 1202w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"353\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-76-1024x353.png\" alt=\"\" class=\"wp-image-12917\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-76-1024x353.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-76-300x103.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-76-768x265.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-76.png 1209w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>step2 <strong>\u7ebf\u4e0a\u505a\u53ec\u56de\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"957\" height=\"374\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-77.png\" alt=\"\" class=\"wp-image-12919\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-77.png 957w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-77-300x117.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-77-768x300.png 768w\" sizes=\"(max-width: 957px) 100vw, 957px\" \/><\/figure>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u8981\u7528\u7d22\u5f15\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"995\" height=\"482\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-78.png\" alt=\"\" class=\"wp-image-12921\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-78.png 995w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-78-300x145.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-78-768x372.png 768w\" sizes=\"(max-width: 995px) 100vw, 995px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"473\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-79-1024x473.png\" alt=\"\" class=\"wp-image-12924\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-79-1024x473.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-79-300x139.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-79-768x355.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-79.png 1206w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"845\" height=\"587\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-80.png\" alt=\"\" class=\"wp-image-12925\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-80.png 845w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-80-300x208.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-80-768x534.png 768w\" sizes=\"(max-width: 845px) 100vw, 845px\" \/><\/figure>\n\n\n\n<h2> \u53ec\u56de02\uff1aSwing\u53ec\u56de\u901a\u9053<\/h2>\n\n\n\n<p> ItemCF \uff1a\uff08\u7f3a\u70b9\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"627\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-81-1024x627.png\" alt=\"\" class=\"wp-image-12928\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-81-1024x627.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-81-300x184.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-81-768x470.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-81.png 1148w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Swing\u6a21\u578b\uff1a\uff08\u4e3a\u7528\u6237\u8bbe\u7f6e\u6743\u91cd\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"874\" height=\"400\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-82.png\" alt=\"\" class=\"wp-image-12933\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-82.png 874w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-82-300x137.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-82-768x351.png 768w\" sizes=\"(max-width: 874px) 100vw, 874px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"830\" height=\"564\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-83.png\" alt=\"\" class=\"wp-image-12935\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-83.png 830w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-83-300x204.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-83-768x522.png 768w\" sizes=\"(max-width: 830px) 100vw, 830px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"795\" height=\"61\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-84.png\" alt=\"\" class=\"wp-image-12936\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-84.png 795w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-84-300x23.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-84-768x59.png 768w\" sizes=\"(max-width: 795px) 100vw, 795px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"858\" height=\"185\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-85.png\" alt=\"\" class=\"wp-image-12938\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-85.png 858w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-85-300x65.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-85-768x166.png 768w\" sizes=\"(max-width: 858px) 100vw, 858px\" \/><\/figure>\n\n\n\n<h2> \u53ec\u56de03\uff1a\u57fa\u4e8e\u7528\u6237\u7684\u534f\u540c\u8fc7\u6ee4\uff08UserCF\uff09<\/h2>\n\n\n\n<p>          UserCF \u7684\u539f\u7406\uff1a\u5982\u679c\u7528\u62371\u8ddf\u7528\u62372\u76f8\u4f3c\uff0c\u800c\u4e14\u7528\u62372\u559c\u6b22\u67d0\u7269\u54c1\uff0c\u90a3\u4e48\u7528\u62371\u5f88\u53ef\u80fd\u559c\u6b22\u8be5\u7269\u54c1\u3002<\/p>\n\n\n\n<p>\u5173\u952e\uff1a1. \u5982\u4f55\u8ba1\u7b97\u4e24\u4e2a\u7528\u6237\u4e4b\u95f4\u7684\u76f8\u4f3c\u5ea6\u3002 2. \u5982\u4f55\u9884\u4f30\u7528\u6237\u5bf9\u5019\u9009\u7269\u54c1\u7684\u5174\u8da3\u3002 3. \u5982\u4f55\u5229\u7528\u7d22\u5f15\u5728\u7ebf\u4e0a\u5feb\u901f\u505a\u53ec\u56de\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"445\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-86-1024x445.png\" alt=\"\" class=\"wp-image-12946\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-86-1024x445.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-86-300x130.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-86-768x334.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-86.png 1187w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"597\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-87-1024x597.png\" alt=\"\" class=\"wp-image-12947\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-87-1024x597.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-87-300x175.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-87-768x447.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-87.png 1193w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>\u7528\u6237\u76f8\u4f3c\u5ea6\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-88.png\" alt=\"\" class=\"wp-image-12950\" width=\"591\" height=\"323\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-88.png 778w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-88-300x164.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-88-768x421.png 768w\" sizes=\"(max-width: 591px) 100vw, 591px\" \/><\/figure>\n\n\n\n<p><strong>\u5982\u679c\u662f\u70ed\u95e8\u7269\u4f53\uff0c\u90a3\u4e48\u5927\u6982\u7387\u4e24\u4e2a\u7528\u6237\u90fd\u4f1a\u559c\u6b22\uff0c\u56e0\u6b64\u9700\u8981\u964d\u4f4e\u70ed\u95e8\u7269\u4f53\u7684\u6743\u91cd\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"610\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-89-1024x610.png\" alt=\"\" class=\"wp-image-12952\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-89-1024x610.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-89-300x179.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-89-768x457.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-89.png 1088w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4>UserCF\u53ec\u56de\u7684\u5b8c\u6574\u6d41\u7a0b<\/h4>\n\n\n\n<p>step1\uff1a\u79bb\u7ebf\u8ba1\u7b97<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"990\" height=\"451\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-90.png\" alt=\"\" class=\"wp-image-12955\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-90.png 990w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-90-300x137.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-90-768x350.png 768w\" sizes=\"(max-width: 990px) 100vw, 990px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"462\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-91-1024x462.png\" alt=\"\" class=\"wp-image-12957\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-91-1024x462.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-91-300x135.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-91-768x347.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-91.png 1210w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>step2\uff1a\u7ebf\u4e0a\u505a\u53ec\u56de<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"972\" height=\"405\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-92.png\" alt=\"\" class=\"wp-image-12960\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-92.png 972w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-92-300x125.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-92-768x320.png 768w\" sizes=\"(max-width: 972px) 100vw, 972px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"459\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-93-1024x459.png\" alt=\"\" class=\"wp-image-12961\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-93-1024x459.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-93-300x134.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-93-768x344.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-93.png 1218w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2>\u53ec\u56de04\uff1a <strong><em>\u5411\u91cf\u53ec\u56de<\/em><\/strong> \uff0c\u79bb\u6563\u7279\u5f81\u5904\u7406<\/h2>\n\n\n\n<p>one-hot encoding (\u72ec\u70ed\u7f16\u7801) \u548c embedding (\u5d4c\u5165)<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"895\" height=\"360\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-94.png\" alt=\"\" class=\"wp-image-12964\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-94.png 895w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-94-300x121.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-94-768x309.png 768w\" sizes=\"(max-width: 895px) 100vw, 895px\" \/><\/figure>\n\n\n\n<h2> \u53ec\u56de05\uff1a <strong><em>\u5411\u91cf\u53ec\u56de<\/em><\/strong> \uff0c\u77e9\u9635\u8865\u5145\u3001\u6700\u8fd1\u90bb\u67e5\u627e <\/h2>\n\n\n\n<p class=\"has-light-pink-background-color has-background\">         <strong>\u77e9\u9635\u8865\u5145\uff08matrix completion\uff09\uff0c\u5b83\u662f\u4e00\u79cd<em>\u5411\u91cf\u53ec\u56de\u901a\u9053<\/em>\u3002\u77e9\u9635\u8865\u5145\u7684\u672c\u8d28\u662f\u5bf9\u7528\u6237 ID \u548c\u7269\u54c1 ID \u505a embedding\uff0c\u5e76\u7528\u4e24\u4e2a embedding \u5411\u91cf\u7684\u5185\u79ef\u9884\u4f30\u7528\u6237\u5bf9\u7269\u54c1\u7684\u5174\u8da3\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u77e9\u9635\u8865\u5145\u5b58\u5728\u8bf8\u591a\u7f3a\u70b9\uff0c\u5728\u5b9e\u8df5\u4e2d\u6548\u679c\u8fdc\u4e0d\u53ca\u53cc\u5854\u6a21\u578b\u3002 \u505a\u5411\u91cf\u53ec\u56de\u9700\u8981\u505a\u6700\u8fd1\u90bb\u67e5\u627e\uff08nearest neighbor search\uff09\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"918\" height=\"656\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-95.png\" alt=\"\" class=\"wp-image-12968\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-95.png 918w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-95-300x214.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-95-768x549.png 768w\" sizes=\"(max-width: 918px) 100vw, 918px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"939\" height=\"509\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-96.png\" alt=\"\" class=\"wp-image-12970\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-96.png 939w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-96-300x163.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-96-768x416.png 768w\" sizes=\"(max-width: 939px) 100vw, 939px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"960\" height=\"355\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-97.png\" alt=\"\" class=\"wp-image-12973\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-97.png 960w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-97-300x111.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-97-768x284.png 768w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"755\" height=\"355\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-98.png\" alt=\"\" class=\"wp-image-12974\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-98.png 755w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-98-300x141.png 300w\" sizes=\"(max-width: 755px) 100vw, 755px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"618\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-99-1024x618.png\" alt=\"\" class=\"wp-image-12976\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-99-1024x618.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-99-300x181.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-99-768x464.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-99.png 1123w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>                          <em><strong>\u7528\u7eff\u8272\u7684\u4fe1\u606f\u505a\u8bad\u7ec3\uff0c\u6765\u9884\u6d4b\u7070\u8272\u7684\u503c\uff0c\u8fdb\u800c\u4e3a\u7528\u6237\u505a\u53ec\u56de<\/strong><\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"954\" height=\"485\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-100.png\" alt=\"\" class=\"wp-image-12979\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-100.png 954w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-100-300x153.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-100-768x390.png 768w\" sizes=\"(max-width: 954px) 100vw, 954px\" \/><\/figure>\n\n\n\n<p><strong>\u8fd1\u4f3c\u6700\u8fd1\u90bb\u67e5\u627e\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"708\" height=\"310\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-101.png\" alt=\"\" class=\"wp-image-12982\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-101.png 708w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-101-300x131.png 300w\" sizes=\"(max-width: 708px) 100vw, 708px\" \/><\/figure>\n\n\n\n<p>step1\uff1a\u5212\u5206\u533a\u57df<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"958\" height=\"689\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-102.png\" alt=\"\" class=\"wp-image-12983\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-102.png 958w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-102-300x216.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-102-768x552.png 768w\" sizes=\"(max-width: 958px) 100vw, 958px\" \/><\/figure>\n\n\n\n<p>step2\uff1a\u7528\u4e00\u4e2a\u5411\u91cf\u8868\u793a\u4f46\u5404\u533a\u57df\uff0c\u7ed9\u5b9a\u4e00\u4e2a\u7269\u4f53\uff0c\u5219\u8fd4\u56de\u6240\u5728\u7684\u533a\u57df\u7684\u7269\u4f53<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"833\" height=\"676\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-103.png\" alt=\"\" class=\"wp-image-12985\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-103.png 833w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-103-300x243.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-103-768x623.png 768w\" sizes=\"(max-width: 833px) 100vw, 833px\" \/><\/figure>\n\n\n\n<p>step3\uff1a\u53ea\u9700\u8ba1\u7b97\u8be5\u533a\u57df\u6240\u5728\u7684\u76f8\u4f3c\u5ea6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"709\" height=\"348\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-104.png\" alt=\"\" class=\"wp-image-12988\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-104.png 709w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-104-300x147.png 300w\" sizes=\"(max-width: 709px) 100vw, 709px\" \/><\/figure>\n\n\n\n<h2>\u53ec\u56de06:\u53cc\u5854\u6a21\u578b:\u77e9\u9635\u8865\u5145\u7684\u5347\u7ea7\u7248<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"764\" height=\"693\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-105.png\" alt=\"\" class=\"wp-image-12992\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-105.png 764w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-105-300x272.png 300w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><\/figure>\n\n\n\n<p class=\"has-light-pink-background-color has-background\"><strong>\u53cc\u5854\u6a21\u578b\uff08two-tower\uff09\u4e5f\u53eb DSSM\uff0c\u662f\u63a8\u8350\u7cfb\u7edf\u4e2d\u6700\u91cd\u8981\u7684\u53ec\u56de\u901a\u9053\uff0c\u6ca1\u6709\u4e4b\u4e00\u3002\u53cc\u5854\u6a21\u578b\u6709\u4e24\u4e2a\u5854\uff1a\u7528\u6237\u5854\u3001\u7269\u54c1\u5854\u3002\u4e24\u4e2a\u5854\u5404\u8f93\u51fa\u4e00\u4e2a\u5411\u91cf\uff0c\u4f5c\u4e3a\u7528\u6237\u3001\u7269\u54c1\u7684\u8868\u5f81\u3002\u4e24\u4e2a\u5411\u91cf\u7684\u5185\u79ef\u6216\u4f59\u5f26\u76f8\u4f3c\u5ea6\u4f5c\u4e3a\u5bf9\u5174\u8da3\u7684\u9884\u4f30\u3002\u6709\u4e09\u79cd\u8bad\u7ec3\u53cc\u5854\u6a21\u578b\u7684\u65b9\u5f0f\uff1apointwise\u3001pairwise\u3001listwise\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"596\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-106-1024x596.png\" alt=\"\" class=\"wp-image-12995\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-106-1024x596.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-106-300x175.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-106-768x447.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-106.png 1171w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"575\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-107-1024x575.png\" alt=\"\" class=\"wp-image-12996\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-107-1024x575.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-107-300x168.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-107-768x431.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-107.png 1231w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"569\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-108-1024x569.png\" alt=\"\" class=\"wp-image-12997\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-108-1024x569.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-108-300x167.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-108-768x427.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-108.png 1054w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u53cc\u5854\u6a21\u578b\u8bad\u7ec3\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"919\" height=\"269\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-109.png\" alt=\"\" class=\"wp-image-12999\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-109.png 919w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-109-300x88.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-109-768x225.png 768w\" sizes=\"(max-width: 919px) 100vw, 919px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"920\" height=\"545\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-110.png\" alt=\"\" class=\"wp-image-13000\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-110.png 920w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-110-300x178.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-110-768x455.png 768w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n\n\n\n<p><strong>pointwise\uff1a<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-111.png\" alt=\"\" class=\"wp-image-13003\" width=\"516\" height=\"226\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-111.png 670w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-111-300x131.png 300w\" sizes=\"(max-width: 516px) 100vw, 516px\" \/><\/figure><\/div>\n\n\n\n<p><strong>pariwise\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"514\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-112-1024x514.png\" alt=\"\" class=\"wp-image-13005\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-112-1024x514.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-112-300x151.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-112-768x385.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-112.png 1168w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"958\" height=\"469\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-113.png\" alt=\"\" class=\"wp-image-13007\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-113.png 958w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-113-300x147.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-113-768x376.png 768w\" sizes=\"(max-width: 958px) 100vw, 958px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"943\" height=\"121\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-114.png\" alt=\"\" class=\"wp-image-13009\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-114.png 943w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-114-300x38.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-114-768x99.png 768w\" sizes=\"(max-width: 943px) 100vw, 943px\" \/><\/figure>\n\n\n\n<p><strong>listwise\uff1a<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-115.png\" alt=\"\" class=\"wp-image-13011\" width=\"511\" height=\"240\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-115.png 657w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-115-300x141.png 300w\" sizes=\"(max-width: 511px) 100vw, 511px\" \/><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"478\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-116-1024x478.png\" alt=\"\" class=\"wp-image-13015\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-116-1024x478.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-116-300x140.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-116-768x359.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-116.png 1171w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"873\" height=\"390\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-117.png\" alt=\"\" class=\"wp-image-13017\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-117.png 873w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-117-300x134.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-117-768x343.png 768w\" sizes=\"(max-width: 873px) 100vw, 873px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"799\" height=\"706\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-118.png\" alt=\"\" class=\"wp-image-13018\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-118.png 799w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-118-300x265.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-118-768x679.png 768w\" sizes=\"(max-width: 799px) 100vw, 799px\" \/><\/figure>\n\n\n\n<h2>\u53ec\u56de07\uff1a\u53cc\u5854\u6a21\u578b&#8211;\u6b63\u8d1f\u6837\u672c\u9009\u62e9<\/h2>\n\n\n\n<p><strong>\u53cc\u5854\u6a21\u578b\uff08two-tower\uff0c\u4e5f\u53eb DSSM\uff09\u6b63\u8d1f\u6837\u672c\u7684\u9009\u53d6\u3002\u6b63\u6837\u672c\u662f\u6709\u70b9\u51fb\u7684\u7269\u54c1\u3002\u8d1f\u6837\u672c\u662f\u88ab\u53ec\u56de\u3001\u6392\u5e8f\u6dd8\u6c70\u7684\u7269\u54c1\uff0c\u5206\u4e3a\u7b80\u5355\u8d1f\u6837\u672c\u548c\u56f0\u96be\u8d1f\u6837\u672c\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"842\" height=\"432\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-119.png\" alt=\"\" class=\"wp-image-13021\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-119.png 842w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-119-300x154.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-119-768x394.png 768w\" sizes=\"(max-width: 842px) 100vw, 842px\" \/><\/figure>\n\n\n\n<p><strong>\u8d1f\u6837\u672c\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"343\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-120-1024x343.png\" alt=\"\" class=\"wp-image-13022\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-120-1024x343.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-120-300x100.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-120-768x257.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-120.png 1219w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"878\" height=\"317\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-121.png\" alt=\"\" class=\"wp-image-13024\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-121.png 878w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-121-300x108.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-121-768x277.png 768w\" sizes=\"(max-width: 878px) 100vw, 878px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"870\" height=\"469\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-122.png\" alt=\"\" class=\"wp-image-13025\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-122.png 870w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-122-300x162.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-122-768x414.png 768w\" sizes=\"(max-width: 870px) 100vw, 870px\" \/><\/figure>\n\n\n\n<p><strong>\u7b80\u5355\u8d1f\u6837\u672c\uff1aBatch\u5185\u8d1f\u6837\u672c<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"472\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-123-1024x472.png\" alt=\"\" class=\"wp-image-13026\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-123-1024x472.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-123-300x138.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-123-768x354.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-123.png 1176w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" width=\"545\" height=\"372\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-124.png\" alt=\"\" class=\"wp-image-13027\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-124.png 545w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-124-300x205.png 300w\" sizes=\"(max-width: 545px) 100vw, 545px\" \/><\/figure><\/div>\n\n\n\n<p>\u70ed\u95e8\u6837\u672c\u6210\u4e3a\u8d1f\u6837\u672c\u7684\u6982\u7387\u8fc7\u5927\uff0c\u89e3\u51b3\u529e\u6cd5\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" width=\"586\" height=\"593\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-125.png\" alt=\"\" class=\"wp-image-13029\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-125.png 586w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-125-296x300.png 296w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-125-120x120.png 120w\" sizes=\"(max-width: 586px) 100vw, 586px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u56f0\u96be\u8d1f\u6837\u672c\uff1a<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-126.png\" alt=\"\" class=\"wp-image-13033\" width=\"494\" height=\"358\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-126.png 814w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-126-300x218.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-126-768x558.png 768w\" sizes=\"(max-width: 494px) 100vw, 494px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-127.png\" alt=\"\" class=\"wp-image-13034\" width=\"483\" height=\"164\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-127.png 746w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-127-300x102.png 300w\" sizes=\"(max-width: 483px) 100vw, 483px\" \/><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"658\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-128-1024x658.png\" alt=\"\" class=\"wp-image-13036\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-128-1024x658.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-128-300x193.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-128-768x494.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-128.png 1028w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"1022\" height=\"464\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-129.png\" alt=\"\" class=\"wp-image-13037\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-129.png 1022w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-129-300x136.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-129-768x349.png 768w\" sizes=\"(max-width: 1022px) 100vw, 1022px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"720\" height=\"106\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-130.png\" alt=\"\" class=\"wp-image-13039\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-130.png 720w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-130-300x44.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/figure>\n\n\n\n<h2>\u53ec\u56de08\uff1a\u53cc\u5854\u6a21\u578b\u7684\u7ebf\u4e0a\u670d\u52a1\u548c\u6a21\u578b\u66f4\u65b0<\/h2>\n\n\n\n<p>         \u5728\u5f00\u59cb\u7ebf\u4e0a\u670d\u52a1\u4e4b\u524d\uff0c\u9700\u8981\u628a\u7269\u54c1\u5411\u91cf\u5b58\u50a8\u5230Milvus\u3001Faiss\u3001HnswLib\u8fd9\u7c7b\u5411\u91cf\u6570\u636e\u5e93\uff0c\u4f9b\u6700\u8fd1\u90bb\u67e5\u627e\uff08KNN \u6216 ANN\uff09\u3002\u5f53\u7528\u6237\u53d1\u8d77\u63a8\u8350\u8bf7\u6c42\u65f6\uff0c\u7528\u6237\u5854\u7528\u7528\u6237ID\u548c\u7528\u6237\u753b\u50cf\u73b0\u7b97\u4e00\u4e2a\u7528\u6237\u5411\u91cf\uff0c\u4f5c\u4e3aquery\uff0c\u53bb\u5411\u91cf\u6570\u636e\u5e93\u4e2d\u505a\u6700\u8fd1\u90bb\u67e5\u627e\u3002 <\/p>\n\n\n\n<p>         <strong>\u6a21\u578b\u9700\u8981\u5b9a\u671f\u505a\u66f4\u65b0\uff0c\u5206\u4e3a\u5168\u91cf\u66f4\u65b0\uff08\u5929\u7ea7\u522b\uff09\u548c\u589e\u91cf\u66f4\u65b0\uff08\u5b9e\u65f6\uff09\u3002\u5168\u91cf\u66f4\u65b0\u4f1a\u8bad\u7ec3\u6574\u4e2a\u6a21\u578b\uff0c\u5305\u62ecembedding\u548c\u5168\u8fde\u63a5\u5c42\u3002\u800c\u589e\u91cf\u66f4\u65b0\u53ea\u9700\u8981\u8bad\u7ec3embedding\u5c42\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-131-1024x629.png\" alt=\"\" class=\"wp-image-13055\" width=\"690\" height=\"423\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-131-1024x629.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-131-300x184.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-131-768x472.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-131.png 1206w\" sizes=\"(max-width: 690px) 100vw, 690px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-132.png\" alt=\"\" class=\"wp-image-13056\" width=\"228\" height=\"249\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-132.png 510w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-132-275x300.png 275w\" sizes=\"(max-width: 228px) 100vw, 228px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-133.png\" alt=\"\" class=\"wp-image-13058\" width=\"231\" height=\"298\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-133.png 456w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-133-233x300.png 233w\" sizes=\"(max-width: 231px) 100vw, 231px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-134.png\" alt=\"\" class=\"wp-image-13060\" width=\"633\" height=\"314\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-134.png 1002w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-134-300x149.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-134-768x381.png 768w\" sizes=\"(max-width: 633px) 100vw, 633px\" \/><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"1016\" height=\"352\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-135.png\" alt=\"\" class=\"wp-image-13063\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-135.png 1016w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-135-300x104.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-135-768x266.png 768w\" sizes=\"(max-width: 1016px) 100vw, 1016px\" \/><\/figure>\n\n\n\n<h4>\u6a21\u578b\u66f4\u65b0\uff1a<\/h4>\n\n\n\n<p>\u5168\u91cf\u66f4\u65b0\uff1a\u8ddf\u65b0\u7528\u6237\u548c\u7269\u4f53\u5411\u91cf<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"994\" height=\"384\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-136.png\" alt=\"\" class=\"wp-image-13067\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-136.png 994w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-136-300x116.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-136-768x297.png 768w\" sizes=\"(max-width: 994px) 100vw, 994px\" \/><\/figure>\n\n\n\n<p><strong>\u589e\u91cf\u66f4\u65b0\uff1a\u6bcf\u9694\u51e0\u5c0f\u65f6\u5b9e\u73b0\u7528\u6237\u6a21\u578b\u66f4\u65b0<\/strong><\/p>\n\n\n\n<p>       \u4e3a\u4ec0\u4e48\u9700\u8981\u8fd9\u4e2a\uff1a\u7528\u6237\u7684\u5174\u8da3\u53ef\u80fd\u4f1a\u968f\u65f6\u6539\u53d8\uff0c\u56e0\u6b64\u9700\u8981\u968f\u65f6\u505a\u7528\u6237\u7684\u66f4\u65b0\uff0c\u4e14\u53ea\u66f4\u65b0\u7528\u6237embedding\u53c2\u6570\uff0c\u5176\u4ed6\u53c2\u6570\u4e0d\u9700\u8981\u66f4\u65b0\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-137.png\" alt=\"\" class=\"wp-image-13079\" width=\"487\" height=\"232\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-137.png 988w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-137-300x143.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-137-768x365.png 768w\" sizes=\"(max-width: 487px) 100vw, 487px\" \/><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"429\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-138-1024x429.png\" alt=\"\" class=\"wp-image-13081\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-138-1024x429.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-138-300x126.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-138-768x322.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-138.png 1315w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u6ce8\u610f\uff1a\u6bcf\u5929\u7684\u5168\u91cf\u66f4\u65b0\u662f\u57fa\u4e8e\u6628\u5929\u7684\u5168\u91cf\u66f4\u65b0\u540e\u7684\u6a21\u578b\u8fdb\u884c\u8bad\u7ec3\u7684\u3002<\/p>\n\n\n\n<p>\u95ee\u9898\uff1a\u80fd\u5426\u53ea\u505a\u589e\u91cf\u66f4\u65b0\uff0c\u4e0d\u505a\u5168\u91cf\u66f4\u65b0<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-139.png\" alt=\"\" class=\"wp-image-13085\" width=\"525\" height=\"213\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-139.png 1015w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-139-300x122.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-139-768x312.png 768w\" sizes=\"(max-width: 525px) 100vw, 525px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-140.png\" alt=\"\" class=\"wp-image-13087\" width=\"562\" height=\"314\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-140.png 936w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-140-300x168.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-140-768x430.png 768w\" sizes=\"(max-width: 562px) 100vw, 562px\" \/><\/figure><\/div>\n\n\n\n<h2> \u53ec\u56de09\uff1a\u53cc\u5854\u6a21\u578b\u7684\u6539\u8fdb&#8211;\u81ea\u76d1\u7763\u5b66\u4e60<\/h2>\n\n\n\n<p>        \u6539\u8fdb\u53cc\u5854\u6a21\u578b\u7684\u65b9\u6cd5\uff0c\u53eb\u505a\u81ea\u76d1\u7763\u5b66\u4e60\uff08self-supervised learning\uff09\uff0c\u7528\u5728\u53cc\u5854\u6a21\u578b\u4e0a\u53ef\u4ee5\u63d0\u5347\u4e1a\u52a1\u6307\u6807\u3002\u8fd9\u79cd\u65b9\u6cd5\u7531\u8c37\u6b4c\u57282021\u5e74\u63d0\u51fa\uff0c\u5de5\u4e1a\u754c\uff08\u5305\u62ec\u5c0f\u7ea2\u4e66\uff09\u666e\u904d\u9a8c\u8bc1\u6709\u6548\u3002<\/p>\n\n\n\n<p><strong>\u957f\u5c3e\u6548\u5e94\uff1a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"972\" height=\"598\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-141.png\" alt=\"\" class=\"wp-image-13095\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-141.png 972w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-141-300x185.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-141-768x472.png 768w\" sizes=\"(max-width: 972px) 100vw, 972px\" \/><\/figure>\n\n\n\n<p>\u53c2\u8003\u6587\u732e\uff1a Tiansheng Yao et al. Self-supervised Learning for Large-scale Item Recommendations. In CIKM, 2021.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"662\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-142-1024x662.png\" alt=\"\" class=\"wp-image-13100\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-142-1024x662.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-142-300x194.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-142-768x497.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-142.png 1208w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-143.png\" alt=\"\" class=\"wp-image-13102\" width=\"389\" height=\"261\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-143.png 717w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-143-300x202.png 300w\" sizes=\"(max-width: 389px) 100vw, 389px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-144.png\" alt=\"\" class=\"wp-image-13104\" width=\"516\" height=\"242\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-144.png 976w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-144-300x141.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-144-768x361.png 768w\" sizes=\"(max-width: 516px) 100vw, 516px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u81ea\u76d1\u7763\u5b66\u4e60\uff1a<\/strong><\/p>\n\n\n\n<p>\u5bf9\u7269\u54c1\u8fdb\u884c\u4e0d\u540c\u7684\u7279\u5f81\u53d8\u6362\u5f97\u5230\u7684\u7279\u5f81\u5411\u91cf\u540c\u7c7b\u4e4b\u95f4\u5c3d\u53ef\u80fd\u7684\u76f8\u540c\uff0c\u4e0d\u540c\u7269\u4f53\u4e4b\u95f4\u5c3d\u53ef\u80fd\u4e0d\u540c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"551\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-145-1024x551.png\" alt=\"\" class=\"wp-image-13106\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-145-1024x551.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-145-300x161.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-145-768x413.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-145.png 1312w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"560\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-146-1024x560.png\" alt=\"\" class=\"wp-image-13108\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-146-1024x560.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-146-300x164.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-146-768x420.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-146.png 1324w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-147.png\" alt=\"\" class=\"wp-image-13109\" width=\"500\" height=\"142\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-147.png 908w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-147-300x85.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-147-768x218.png 768w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n\n<p><strong>\u7279\u5f81\u53d8\u6362\u65b9\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<p>1\u3001Random Mask<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-148.png\" alt=\"\" class=\"wp-image-13115\" width=\"573\" height=\"251\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-148.png 932w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-148-300x132.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-148-768x338.png 768w\" sizes=\"(max-width: 573px) 100vw, 573px\" \/><\/figure><\/div>\n\n\n\n<p>2\u3001Dropout<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-149.png\" alt=\"\" class=\"wp-image-13117\" width=\"562\" height=\"292\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-149.png 917w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-149-300x156.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-149-768x399.png 768w\" sizes=\"(max-width: 562px) 100vw, 562px\" \/><\/figure><\/div>\n\n\n\n<p>3\u3001\u4e92\u8865\u7279\u5f81<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-150.png\" alt=\"\" class=\"wp-image-13119\" width=\"565\" height=\"309\"\/><\/figure><\/div>\n\n\n\n<p>\u6700\u597d\u7684\u529e\u6cd5 \uff1aRandom mask\uff08\u5c06\u4e00\u7ec4\u76f8\u5173\u8054\u7684\u7279\u5f81\u5168\u90e8mask\uff09<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-151.png\" alt=\"\" class=\"wp-image-13123\" width=\"524\" height=\"286\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-151.png 913w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-151-300x164.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-151-768x419.png 768w\" sizes=\"(max-width: 524px) 100vw, 524px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-152.png\" alt=\"\" class=\"wp-image-13124\" width=\"502\" height=\"192\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-152.png 909w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-152-300x115.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-152-768x295.png 768w\" sizes=\"(max-width: 502px) 100vw, 502px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-153.png\" alt=\"\" class=\"wp-image-13126\" width=\"558\" height=\"128\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-153.png 908w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-153-300x69.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-153-768x177.png 768w\" sizes=\"(max-width: 558px) 100vw, 558px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-154-1024x563.png\" alt=\"\" class=\"wp-image-13128\" width=\"521\" height=\"286\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-154-1024x563.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-154-300x165.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-154-768x422.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-154.png 1082w\" sizes=\"(max-width: 521px) 100vw, 521px\" \/><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"525\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-155-1024x525.png\" alt=\"\" class=\"wp-image-13130\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-155-1024x525.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-155-300x154.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-155-768x394.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-155.png 1277w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2>\u53ec\u56de10\uff1a\u5176\u4ed6\u53ec\u56de\u901a\u9053<\/h2>\n\n\n\n<p>      <strong>  \u5730\u7406\u4f4d\u7f6e<\/strong>\u53ec\u56de\u5305\u62ec<strong>GeoHash\u53ec\u56de\u548c\u540c\u57ce\u53ec\u56de<\/strong>\u3002<strong>\u4f5c\u8005\u53ec\u56de\u5305\u62ec\u5173\u6ce8\u4f5c\u8005\u3001\u6709\u4ea4\u4e92\u4f5c\u8005\u3001\u76f8\u4f3c\u4f5c\u8005\u3002\u7f13\u5b58\u53ec\u56de\u662f\u50a8\u5b58\u7cbe\u6392\u6253\u5206\u9ad8\u3001\u800c\u4e14\u672a\u66dd\u5149\u7684\u7b14\u8bb0\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"997\" height=\"310\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-156.png\" alt=\"\" class=\"wp-image-13137\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-156.png 997w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-156-300x93.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-156-768x239.png 768w\" sizes=\"(max-width: 997px) 100vw, 997px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"283\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-157-1024x283.png\" alt=\"\" class=\"wp-image-13138\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-157-1024x283.png 1024w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-157-300x83.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-157-768x212.png 768w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-157.png 1294w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-158.png\" alt=\"\" class=\"wp-image-13140\" width=\"440\" height=\"209\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-158.png 845w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-158-300x143.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-158-768x367.png 768w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-159.png\" alt=\"\" class=\"wp-image-13142\" width=\"449\" height=\"372\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-159.png 759w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-159-300x249.png 300w\" sizes=\"(max-width: 449px) 100vw, 449px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-160.png\" alt=\"\" class=\"wp-image-13146\" width=\"527\" height=\"267\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-160.png 900w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-160-300x152.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-160-768x390.png 768w\" sizes=\"(max-width: 527px) 100vw, 527px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-161.png\" alt=\"\" class=\"wp-image-13148\" width=\"457\" height=\"211\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-161.png 908w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-161-300x139.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-161-768x356.png 768w\" sizes=\"(max-width: 457px) 100vw, 457px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-162.png\" alt=\"\" class=\"wp-image-13150\" width=\"475\" height=\"310\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-162.png 804w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-162-300x196.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-162-768x502.png 768w\" sizes=\"(max-width: 475px) 100vw, 475px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-163.png\" alt=\"\" class=\"wp-image-13152\" width=\"529\" height=\"73\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-163.png 799w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-163-300x42.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-163-768x107.png 768w\" sizes=\"(max-width: 529px) 100vw, 529px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-164.png\" alt=\"\" class=\"wp-image-13154\" width=\"427\" height=\"258\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-164.png 783w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-164-300x182.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-164-768x465.png 768w\" sizes=\"(max-width: 427px) 100vw, 427px\" \/><\/figure><\/div>\n\n\n\n<p>6\u4e2a\u5176\u4ed6\u53ec\u56de\u901a\u9053\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"731\" height=\"370\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-165.png\" alt=\"\" class=\"wp-image-13156\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-165.png 731w, http:\/\/139.9.1.231\/wp-content\/uploads\/2023\/02\/image-165-300x152.png 300w\" sizes=\"(max-width: 731px) 100vw, 731px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u53ec\u56de01\uff1a\u57fa\u4e8e\u7269\u54c1\u7684\u534f\u540c\u8fc7\u6ee4\uff08ItemCF\uff09 Item Based Collaborative Filteri &hellip; <a href=\"http:\/\/139.9.1.231\/index.php\/2023\/02\/07\/zhaohui\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u63a8\u8350\u7cfb\u7edf&#8211;\u53ec\u56de<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,23],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/12890"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=12890"}],"version-history":[{"count":169,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/12890\/revisions"}],"predecessor-version":[{"id":13158,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/12890\/revisions\/13158"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=12890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=12890"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=12890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}