17c推荐算法全方案 从入门到进阶的路径
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绗竴绔欙細鎺ㄨ崘绠楁硶鐨勫熀鐭斥€斺€斿叆闂ㄧ瘒
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- 鐞嗚В鎺ㄨ崘绯荤粺鐨勬湰璐細 涓轰粈涔堟垜浠渶瑕佹帹鑽愮郴缁燂紵瀹冭В鍐充簡浠€涔堥棶棰橈紵鏈€鍩虹鐨勬帹鑽愬満鏅湁鍝簺锛堜緥濡傦紝鍟嗗搧鎺ㄨ崘銆佸唴瀹规帹鑽愶級锛?/li>
- 缁忓吀绠楁硶鐨勫垵鎺細
- 鍗忓悓杩囨护 (Collaborative Filtering)锛?/strong> 杩欐槸鎺ㄨ崘绠楁硶鐨勨€滆€佸墠杈堚€濓紝涔熸槸鏈€鐩磋銆佹渶鏄撲簬鐞嗚В鐨勭畻娉曚箣涓€銆傛垜浠皢甯︿綘娣卞叆浜嗚В锛?ul>
- 鍩轰簬鐢ㄦ埛鐨勫崗鍚岃繃婊?(User-based CF)锛?/strong> 鎵惧埌涓庝綘鍠滃ソ鐩镐技鐨勭敤鎴凤紝灏嗕粬浠枩娆絾浣犳病鐪嬭繃鐨勭墿鍝佹帹鑽愮粰浣犮€?/li>
- 鍩轰簬鐗╁搧鐨勫崗鍚岃繃婊?(Item-based CF)锛?/strong> 鎵惧埌涓庝綘鍠滄鐨勭墿鍝佺浉浼肩殑鍏朵粬鐗╁搧锛屾帹鑽愮粰浣犮€?/li>
- 瀹冧滑鍚勮嚜鐨勪紭缂虹偣銆侀€傜敤鍦烘櫙浠ュ強濡備綍瑙ｅ喅鍐峰惎鍔ㄩ棶棰樸€?/strong>
- 鍩轰簬鐢ㄦ埛鐨勫崗鍚岃繃婊?(User-based CF)锛?/strong> 鎵惧埌涓庝綘鍠滃ソ鐩镐技鐨勭敤鎴凤紝灏嗕粬浠枩娆絾浣犳病鐪嬭繃鐨勭墿鍝佹帹鑽愮粰浣犮€?/li>
- 鍗忓悓杩囨护 (Collaborative Filtering)锛?/strong> 杩欐槸鎺ㄨ崘绠楁硶鐨勨€滆€佸墠杈堚€濓紝涔熸槸鏈€鐩磋銆佹渶鏄撲簬鐞嗚В鐨勭畻娉曚箣涓€銆傛垜浠皢甯︿綘娣卞叆浜嗚В锛?ul>
- 鍩轰簬鍐呭鐨勬帹鑽?(Content-based Filtering)锛?/strong> 鏍规嵁鐢ㄦ埛杩囧幓鍠滄鐨勭墿鍝佺殑鈥滃唴瀹光€濈壒寰侊紝鍘诲鎵惧叿鏈夌浉浼肩壒寰佺殑鍏朵粬鐗╁搧銆備緥濡傦紝濡傛灉浣犲枩娆㈢骞荤數褰憋紝绯荤粺灏变細涓轰綘鎺ㄨ崘鏇村鍏锋湁鈥滅骞烩€濇爣绛剧殑鐢靛奖銆?/li>
馃挕 鍏ラ棬灏忚创澹細 涓嶈瀹虫€曚粠鏈€绠€鍗曠殑姒傚康寮€濮嬨€傚皾璇曚娇鐢ㄤ竴浜涚幇鎴愮殑搴擄紙濡係urprise銆丼cikit-learn锛夊幓瀹炵幇杩欎簺鍩虹绠楁硶锛屼翰鎵嬫搷浣滄槸鏈€濂界殑瀛︿範鏂瑰紡銆?/p>
绗簩绔欙細鎷撳睍瑙嗛噹鈥斺€旇繘闃剁瘒
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- 鐭╅樀鍒嗚В (Matrix Factorization)锛?/strong>
- 濂囧紓鍊煎垎瑙?(SVD) 鍜?闈炶礋鐭╅樀鍒嗚В (NMF) 绛夋妧鏈紝鑳藉浠庣敤鎴?鐗╁搧浜や簰鐭╅樀涓彁鍙栨綔鍦ㄧ殑鈥滈殣鍥犲瓙鈥濓紝鏇存繁灞傛鍦版崟鎹夌敤鎴峰拰鐗╁搧鐨勭壒鎬с€?/li>
- 浜嗚В鍏跺師鐞嗐€佸疄鐜版柟寮忎互鍙婂湪瑙ｅ喅绋€鐤忔€у拰鍐峰惎鍔ㄩ棶棰樹笂鐨勪紭鍔裤€?/li>
- 娣峰悎鎺ㄨ崘绯荤粺 (Hybrid Recommender Systems)锛?/strong>
- 鐜板疄涓栫晫涓殑鎺ㄨ崘寰€寰€鏄绉嶇畻娉曠殑缁撳悎銆傛垜浠皢鎺㈣濡備綍铻嶅悎鍗忓悓杩囨护銆佸熀浜庡唴瀹规帹鑽愮瓑鏂规硶锛屼互鍏嬫湇鍗曚竴绠楁硶鐨勫眬闄愭€э紝鎻愰珮鎺ㄨ崘鐨勬暣浣撴晥鏋溿€?/li>
- 娣卞害瀛︿範鍦ㄦ帹鑽愪腑鐨勫簲鐢細
- 娣卞害绁炵粡缃戠粶 (DNNs) 姝ｅ湪褰诲簳鏀瑰彉鎺ㄨ崘绯荤粺銆備綘灏嗗涔狅細
- 绁炵粡缃戠粶濡備綍寤烘ā鐢ㄦ埛-鐗╁搧浜や簰銆?/strong>
- Embedding鎶€鏈?(濡俉ord2Vec, Item2Vec, Graph Embedding) 濡備綍灏嗙鏁ｇ殑鐗╁搧ID杞寲涓轰綆缁寸瀵嗙殑鍚戦噺锛屾崟鎹夋洿涓板瘜鐨勮涔変俊鎭€?/li>
- 娣卞害妯″瀷锛堝Wide & Deep, DeepFM, DIN锛?/strong> 鐨勬灦鏋勪笌浼樺娍锛屽畠浠浣曞湪娴烽噺鏁版嵁涓涔犲鏉傜殑闈炵嚎鎬у叧绯汇€?/li>
- 娣卞害绁炵粡缃戠粶 (DNNs) 姝ｅ湪褰诲簳鏀瑰彉鎺ㄨ崘绯荤粺銆備綘灏嗗涔狅細
- 瀹炴椂鎺ㄨ崘涓庢祦寮忓鐞嗭細
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- 浜嗚В娴佸紡璁＄畻妗嗘灦锛堝Spark Streaming, Flink锛夊湪鏋勫缓瀹炴椂鎺ㄨ崘绯荤粺涓殑浣滅敤銆?/li>
馃殌 杩涢樁鎸戞垬锛?灏濊瘯闃呰鎺ㄨ崘棰嗗煙鏈€鏂扮殑鐮旂┒璁烘枃锛屼簡瑙ｅ綋鍓嶇殑鐑偣鎶€鏈拰鍓嶆部鍔ㄦ€併€傚皾璇曞湪鐪熷疄鏁版嵁闆嗕笂澶嶇幇涓€浜涘厛杩涚殑鎺ㄨ崘妯″瀷銆?/p>
绗笁绔欙細瀹炴垬鍑虹湡鐭モ€斺€旈儴缃蹭笌浼樺寲
- 绂荤嚎璁粌涓庡湪绾挎湇鍔★細
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- AB娴嬭瘯涓庢晥鏋滆瘎浼帮細
- 濡備綍璁捐鏈夋晥鐨凙B娴嬭瘯鏉ラ獙璇佹柊绠楁硶鎴栨柊绛栫暐鐨勬晥鏋溿€?/li>
- 娣卞叆鐞嗚В涓氬姟鎸囨爣涓庣畻娉曟寚鏍囩殑鍏宠仈锛屼笉鏂紭鍖栨帹鑽愭晥鏋溿€?/li>
- 鍐峰惎鍔ㄩ棶棰樹笌瑙ｅ喅鏂规锛?/strong>
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- 鍙В閲婃€ф帹鑽愶細
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馃幆 缁堟瀬鐩爣锛?鑳藉鐙珛璁捐銆佸疄鐜般€侀儴缃插拰浼樺寲涓€涓畬鏁寸殑鎺ㄨ崘绯荤粺锛屽苟鏍规嵁涓氬姟闇€姹備笉鏂凯浠ｏ紝椹卞姩涓氬姟澧為暱銆?/p>
缁撹
鈥?7c鎺ㄨ崘绠楁硶鍏ㄦ柟妗堚€濅笉浠呬粎鏄竴绯诲垪鐨勬妧鏈暀绋嬶紝瀹冩洿鏄竴鏉℃寚寮曚綘鎶€鏈垚闀裤€佽兘鍔涙彁鍗囩殑娓呮櫚璺緞銆備粠鏈€鍩虹鐨勬蹇靛埌鏈€鍓嶆部鐨勬繁搴﹀涔犳ā鍨嬶紝浠庣悊璁虹殑鎺㈢储鍒板疄鎴樼殑钀藉湴锛屾瘡涓€涓幆鑺傞兘涓轰綘绮惧績璁捐锛屾棬鍦ㄨ浣犺兘澶熻嚜淇″湴杩堝悜鎺ㄨ崘绠楁硶鐨勪笘鐣屻€?/p>
鎺屾彙鎺ㄨ崘绠楁硶锛屼綘灏嗕笉浠呬粎鏄唬鐮佺殑缂栧啓鑰咃紝鏇存槸鑳藉娲炲療鐢ㄦ埛闇€姹傘€佽繛鎺ヤ俊鎭笌浠峰€肩殑鈥滅畻娉曠偧閲戝笀鈥濄€傜幇鍦紝灏变粠绗竴绔欏紑濮嬶紝鐐逛寒浣犵殑鎶€鏈箣璺惂锛?/p>
有用吗？