

{"id":38396,"date":"2020-02-06T00:00:24","date_gmt":"2020-02-05T16:00:24","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=38396"},"modified":"2022-01-03T21:41:15","modified_gmt":"2022-01-03T13:41:15","slug":"youtube%e6%bc%94%e7%ae%97%e6%b3%95%e6%9b%b4%e6%96%b0%ef%bc%8c%e4%b8%80%e5%a0%b4%e5%85%a8%e7%90%83%e7%b7%9a%e4%b8%8a%e5%af%a6%e9%a9%97","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=38396","title":{"rendered":"YouTube\u6f14\u7b97\u6cd5\u66f4\u65b0\uff0c\u4e00\u5834\u5168\u7403\u7dda\u4e0a\u5be6\u9a57"},"content":{"rendered":"<div class=\"single-post-media clr\">\n<div class=\"post-thumbnail\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2020\/02\/YouTube-icon.jpg\" alt=\"YouTube\u6f14\u7b97\u6cd5\u66f4\u65b0\uff0c\u4e00\u5834\u5168\u7403\u7dda\u4e0a\u5be6\u9a57\" width=\"474\" height=\"333\" \/><\/div>\n<\/div>\n<div class=\"entry clr\">\n<div class=\"pf-content\">\n<p><strong>\u64b0\u6587\uff0f\u8a31\u53ef<\/strong><\/p>\n<p>YouTube\u57282019\u5e74\u66f4\u65b0\u5167\u90e8\u7684\u63a8\u85a6\u6f14\u7b97\u6cd5\uff0c\u8abf\u6574\u4e86\u5f71\u7247\u5728\u63a8\u85a6\u6e05\u55ae\u4e2d\u7684\u6392\u5e8f\u7b56\u7565\u4e26\u89e3\u6c7a\u4f4d\u7f6e\u504f\u5dee\u6240\u5e36\u4f86\u7684\u8ca0\u9762\u5f71\u97ff\u3002\u7136\u800c\u9019\u6a23\u7684\u6539\u8b8a\uff0c\u662f\u5426\u6709\u52a9\u65bc\u6e1b\u7de9\u65cf\u7fa4\u7684\u5206\u5316\u8207\u6fc0\u5316\uff0c\u8a31\u591a\u5c08\u5bb6\u4ecd\u62b1\u6301\u60b2\u89c0\u614b\u5ea6\u3002<span id=\"more-83497\"><\/span><\/p>\n<p>\u63a8\u85a6\u6f14\u7b97\u6cd5\u662f\u76ee\u524d\u767c\u5c55\u6700\u5b8c\u5584\u7684\u6a5f\u5668\u5b78\u7fd2\u7cfb\u7d71\u4e4b\u4e00\uff0c\u5b83\u53ef\u4ee5<a 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href=\"https:\/\/www.youtube.com\/watch?v=Dweg47Tswxw&amp;feature=emb_title\">MMoE\uff08Multi-gate Mixture-of-Expert\uff09<\/a>\u6a21\u578b\u4ee5\u55ae\u4e00\u7d50\u679c\u4f86\u6574\u5408\u6240\u6709\u554f\u984c\u7684\u7b54\u6848\u3002\u6b64\u8655\u6211\u5011\u53ef\u4ee5\u7c21\u55ae\u7406\u89e3\u70ba\uff1a\u7d66\u4e88\u6bcf\u500b\u5b50\u554f\u984c\u7684\u8f38\u51fa\u4e00\u500b\u6b0a\u91cd\u4e26\u5c07\u5176\u76f8\u52a0\u6210\u70ba\u55ae\u4e00\u503c\uff0c\u9019\u88e1\u7684\u6b0a\u91cd\u662f\u53ef\u4ee5\u81ea\u7531\u8abf\u6574\u7684\u3002<\/p>\n<p><strong>\u4f4d\u7f6e\u504f\u8aa4<\/strong><\/p>\n<p>\u7136\u800c\u55ae\u7d14\u7684\u63a8\u85a6\u6f14\u7b97\u6cd5\u5b58\u5728\u4e00\u9805\u7455\u75b5\uff1a\u4e5f\u5c31\u662f\u5f71\u7247\u5728\u63a8\u85a6\u6e05\u55ae\u4e2d\u7684\u4f4d\u7f6e\u4e5f\u6703\u53cd\u904e\u4f86\u5f71\u97ff\u4f7f\u7528\u8005\u7684\u884c\u70ba\uff0c\u9019\u7a31\u70ba\u4f4d\u7f6e\u504f\u8aa4\uff08position bias\uff09\uff0c\u662f\u9078\u64c7\u504f\u8aa4\uff08selection bias\uff09\u7684\u4e00\u7a2e\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u4f7f\u7528\u8005\u9ede\u64ca\u4e00\u90e8\u5f71\u7247\u7684\u539f\u56e0\uff0c\u53ef\u80fd\u662f\u56e0\u70ba\u771f\u7684\u611f\u8208\u8da3\uff0c\u4f46\u4e5f\u53ef\u80fd\u7d14\u7cb9\u51fa\u65bc\u6163\u6027\uff0c\u96a8\u624b\u9ede\u9078\u63a8\u85a6\u6e05\u55ae\u6700\u4e0a\u65b9\u7684\u5f71\u7247\u89c0\u770b\uff0c\u6a21\u578b\u96e3\u4ee5\u8fa8\u8b58\u9019\u5169\u7a2e\u60c5\u6cc1\u9593\u7684\u5dee\u7570\u3002\u82e5\u70ba\u5f8c\u8005\uff0c\u6f14\u7b97\u6cd5\u7684\u63a8\u85a6\u5c07\u9010\u6f38\u504f\u96e2\u4f7f\u7528\u8005\u7684\u559c\u597d\uff0c\u5411\u820a\u7cfb\u7d71\u9760\u650f\uff0c\u5f62\u6210\u96b1\u6027\u56de\u994b\u5faa\u74b0\uff08implicity feedback loop\uff09\u3002\u9019\u6703\u62c9\u4f4e\u4f7f\u7528\u8005\u9ad4\u9a57\uff0c\u9032\u800c\u6e1b\u5c11\u5728YouTube\u4e0a\u7684\u4f7f\u7528\u6642\u9593\u3002<\/p>\n<p>YouTube\u5de5\u7a0b\u5e2b\u5011\u7684\u4f5c\u6cd5\uff0c\u662f\u5728\u4e3b\u8981\u63a8\u85a6\u6a21\u578b\uff08\u4e3b\u5854\uff09\u4e4b\u5916\u52a0\u639b\u53e6\u4e00\u500b\u6a21\u578b\u2500\u2500\u6dfa\u5854\uff08shallow tower\uff09\uff0c\u4f86\u8a18\u61b6\u5f71\u7247\u5728\u4e0a\u4e00\u6b21\u6e05\u55ae\u4e2d\u7684\u4f4d\u7f6e\uff0c\u8b93\u6e05\u55ae\u9802\u90e8\u7684\u5f71\u7247\u5f97\u5230\u8f03\u5c0f\u7684\u6b0a\u91cd\uff0c\u800c\u8d8a\u5f80\u5e95\u90e8\u7684\u5f71\u7247\u5247\u76f8\u53cd\u3002\u7dda\u4e0a\u5373\u6642\u5be6\u9a57\u4e5f\u8b49\u5be6\u9019\u6a23\u7684\u7b56\u7565\u7684\u78ba\u6709\u52a9\u65bc\u6d88\u5f2d\u4f4d\u7f6e\u504f\u5dee\u6240\u9020\u6210\u7684\u5f71\u97ff\u3002<\/p>\n<p><strong>\u8d85\u5927\u578b\u793e\u6703\u5be6\u9a57\uff1f<\/strong><\/p>\n<p>\u4e0d\u53ef\u5426\u8a8d\uff0cYouTube\u7684\u4e00\u8a00\u4e00\u884c\u6709\u5176\u5546\u696d\u8003\u91cf\u3002\u63a8\u85a6\u6f14\u7b97\u6cd5\u70baYouTube\u5e36\u4f86\u6975\u5927\u7684\u5546\u696d\u5229\u6f64\uff0c\u4f46\u540c\u6642\u5c0d\u516c\u6c11\u793e\u6703\u9020\u6210\u8a31\u591a\u96b1\u6027\u5371\u6a5f\uff0c\u5728\u8fd1\u5e74\u4e5f\u5f15\u767c\u8af8\u591a\u722d\u8b70\u3002<\/p>\n<p>\u54c8\u4f5b\u5927\u5b78\u4f2f\u514b\u66fc\u7db2\u969b\u7db2\u8def\u8207\u793e\u6703\u7814\u7a76\u4e2d\u5fc3\uff08Berkman Klein Center for Internet &amp; Society\uff09\u7684\u5c08\u5bb6Jonas Kaiser\u4fbf\u5728\u4ed6\u5011\u7684\u7814\u7a76\u767c\u73fe\uff0cYouTube\u7684\u63a8\u85a6\u6f14\u7b97\u6cd5\u9020\u5c31\u8a31\u591a\u5c01\u9589\u7684\u6975\u7aef\u793e\u7fa4\uff0c\u4e26\u8b93\u4f7f\u7528\u8005\u8655\u65bc\u8cc7\u8a0a\u4e0d\u5c0d\u7a31\u7684\u52a3\u52e2\u3002\u5c0d\u65bc\u8fd1\u671f\u6f14\u7b97\u6cd5\u7684\u66f4\u65b0\uff0c\u4ed6\u8868\u793a\u60c5\u6cc1\u53ef\u80fd\u66f4\u52a0\u60e1\u5316\u3002YouTube\u9020\u6210\u7fa4\u773e\u7684\u5206\u88c2\u8207\u6fc0\u9032\u5316\u65e9\u5df2\u975e\u65b0\u9bae\u4e8b\u3002\u300a<a href=\"https:\/\/www.nytimes.com\/interactive\/2019\/06\/08\/technology\/youtube-radical.html\">\u7d10\u7d04\u6642\u5831\u300b\u7684\u4e00\u7bc7\u5831\u5c0e<\/a>\u4fbf\u8a73\u7d30\u8b1b\u8ff0\u4e00\u500b\u5728\u5f8c\u5de5\u696d\u5316\u6642\u4ee3\u9577\u5927\u7684\u897f\u65b9\u767d\u4eba\u5c0f\u5b69\uff0c\u662f\u5982\u4f55\u4ee5YouTube\u7576\u4f5c\u767c\u6d29\u7ba1\u9053\uff0c\u4e26\u5728\u6f14\u7b97\u6cd5\u7684\u63a8\u85a6\u4e0b\u9010\u6f38\u9677\u5165\u5145\u6eff\u6b67\u8996\u3001\u4ec7\u6068\u8a00\u8ad6\u7684\u6975\u53f3\u793e\u7fa4\uff0c\u6210\u766e\u4e26\u53d7\u5176\u6d17\u8166\u3002<\/p>\n<p>\u9676\u6c0f\u6578\u4f4d\u65b0\u805e\u4e2d\u5fc3\u6578\u4f4d\u9451\u8b58\u5021\u8b70\uff08The Digital Forensics Initiative at the Tow Center for Digital Journalism\uff09\u7684\u4e3b\u4efbJonathan Albright\u4e5f\u8868\u793a\uff1a\u6e1b\u5c11\u4f4d\u7f6e\u504f\u5dee\u5c0d\u65bc\u6e1b\u7de9\u4f4e\u54c1\u8cea\u7684\u5f71\u7247\u8ff4\u5708\u662f\u500b\u597d\u7684\u958b\u59cb\uff0c\u4f46\u5c07\u6703\u300c\u5728\u9577\u9060\u4e0a\u52a9\u9577\u6975\u7aef\u5167\u5bb9\u7684\u50b3\u64ad\u300d\u3002\u300c\u6211\u5011\u6210\u70ba\u4e86YouTube\u7684\u5be6\u9a57\u54c1\u3002\u300d\u66fe\u662f\u7d10\u7d04\u8cc7\u6599\u8207\u793e\u6703\u7814\u7a76\u4e2d\u5fc3\uff08Data &amp; Society Research Institute\uff09\u7684\u7db2\u8def\u6975\u7aef\u5167\u5bb9\u5b78\u8005Becca Lewis\u5982\u662f\u8aaa\u3002\u4ed6\u8a8d\u70baYoutube\u5b58\u5728\u5f62\u5f62\u8272\u8272\u7684\u793e\u7fa4\u8207\u5167\u5bb9\uff0c\u6bcf\u500b\u4eba\u4f7f\u7528YouTube\u7684\u7fd2\u6163\u4e5f\u4e94\u82b1\u516b\u9580\uff0c\u6f14\u7b97\u6cd5\u7684\u6539\u8b8a\u5c0d\u65bc\u4e8b\u60c5\u7684\u8d70\u5411\u6709\u592a\u591a\u53ef\u80fd\u6027\uff0c\u5c0d\u65bcYouTube\u81ea\u8eab\u800c\u8a00\u4e5f\u662f\u7121\u5f9e\u9810\u6599\u7684\u3002<\/p>\n<p>Youtube\u7684\u5176\u4e2d\u4e00\u4f4d\u767c\u8a00\u4eba\u8868\u793a\uff0c\u5de5\u7a0b\u5e2b\u8ddf\u7522\u54c1\u5718\u968a\u5df2\u7d93\u6b63\u5728\u81f4\u529b\u65bc\u6e1b\u5c11\u5e73\u53f0\u4e0a\u7684<a href=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=81870\">\u8cc7\u8a0a\u6ffe\u6ce1\uff08filter bubble\uff09<\/a>\u6548\u61c9\u53ca\u589e\u52a0\u63a8\u85a6\u5f71\u7247\u7684\u591a\u6a23\u6027\uff0c\u4e5f\u900f\u904e\u554f\u5377\u3001\u8a2a\u8ac7\u53ca\u5373\u6642\u8abf\u67e5\u4f86\u79fb\u9664\u7279\u5b9a\u7684\u6975\u7aef\u5f71\u7247\u53ca\u4ec7\u6068\u5167\u5bb9\u3002\u53ea\u662fYoutube\u5b98\u65b9\u6216\u662f\u767c\u8868\u7814\u7a76\u6210\u679c\u7684\u76f8\u95dc\u5de5\u7a0b\u5e2b\uff0c\u7121\u610f\u4e2d\u90fd\u5c07\u5168\u7403\u4e0a\u5104\u7684\u5e73\u53f0\u4f7f\u7528\u8005\u7576\u4f5c\u5be6\u9a57\u54c1\u4f86\u6e2c\u8a66\u6f14\u7b97\u6cd5\u512a\u5316\u7684\u6210\u679c\uff0c\u9019\u4e9b\u5be6\u9a57\u7684\u76ee\u6a19\u2500\u2500\u6216\u8aaa\u958b\u767c\u6f14\u7b97\u6cd5\u7684\u76ee\u6a19\u2500\u2500\u662f\u8b93\u4f7f\u7528\u8005\u5c0d\u5e73\u53f0\u66f4\u70ba\u300c\u6210\u766e\u300d\u3002\u800c\u81f3\u65bc\u5be6\u9a57\u672c\u8eab\uff0c\u5728\u958b\u767c\u3001\u6e2c\u8a66\u4f7f\u4eba\u6210\u766e\u7684\u6f14\u7b97\u6cd5\u7684\u904e\u7a0b\u4e2d\uff0c\u662f\u5426\u6703\u5c0d\u4f7f\u7528\u8005\u7522\u751f\u524d\u8ff0\u7a2e\u7a2e\u5371\u6a5f\uff0c\u66f4\u662f\u5b98\u65b9\u53ca\u7814\u7a76\u4eba\u54e1\u9577\u671f\u5ffd\u8996\u7684\u554f\u984c\u3002\u56e0\u6b64Kaiser\u8a8d\u70ba\uff0c\u5b98\u65b9\u61c9\u8a72\u82b1\u66f4\u591a\u6642\u9593\u95dc\u5fc3\u6f14\u7b97\u6cd5\u5c0d\u4f7f\u7528\u8005\u7684\u5f71\u97ff\u3002\u300cYouTube\u4f5c\u70ba\u71df\u5229\u7d44\u7e54\u986f\u7136\u4e0d\u9858\u610f\u505a\u9019\u4ef6\u4e8b\uff0c\u5118\u7ba1\u9053\u5fb7\u4e0a\u6709\u5176\u5fc5\u8981\u3002\u300dLewis\u8a55\u8ad6\u9053\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599<\/strong><\/p>\n<ol>\n<li>K. Hao, \u201c<a href=\"https:\/\/www.technologyreview.com\/s\/614432\/youtube-algorithm-gets-more-addictive\/\">YouTube is experimenting with ways to make its algorithm even more addictive<\/a>\u201c,\u00a0<em>MIT Technology Review<\/em>, 2019.<\/li>\n<li>Z. Zhao et al., \u201c<a href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3298689.3346997\">Recommending what video to watch next<\/a>\u201c,\u00a0<i>Proceedings of the 13th ACM Conference on Recommender Systems \u2013 RecSys \u201919<\/i>, 2019.<\/li>\n<li>P. Covington, J. Adams, and E. Sargin, \u201c<a href=\"https:\/\/static.googleusercontent.com\/media\/research.google.com\/en\/\/pubs\/archive\/45530.pdf\">Deep Neural Networks for YouTube Recommendations<\/a>,\u201d\u00a0<i>Proceedings of the 10th ACM Conference on Recommender Systems \u2013 RecSys 16<\/i>, 2016.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u64b0\u6587\uff0f\u8a31\u53ef YouTube\u57282019\u5e74\u66f4<\/p>\n","protected":false},"author":21,"featured_media":38397,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3772,3293],"tags":[4934,5713,5297,5714],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2022\/01\/YouTube-icon.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38396"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=38396"}],"version-history":[{"count":1,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38396\/revisions"}],"predecessor-version":[{"id":38398,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/38396\/revisions\/38398"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/38397"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=38396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=38396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=38396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}