基于java的推荐系统实现源代码

[{"title":"（ 57 个子文件 73KB ） 基于java的推荐系统实现源代码","children":[{"title":"Recommend","children":[{"title":"src","children":[{"title":"collaborative","children":[{"title":"evaluation","children":[{"title":"EvaluationDataProvider.java <span style='color:#111;'> 379B </span>","children":null,"spread":false},{"title":"MovieLensRMSE.java <span style='color:#111;'> 2.15KB </span>","children":null,"spread":false},{"title":"MovieLensEvaluationDataProvider.java <span style='color:#111;'> 8.28KB </span>","children":null,"spread":false},{"title":"RMSEEstimator.java <span style='color:#111;'> 5.39KB </span>","children":null,"spread":false},{"title":"RMSEResult.java <span style='color:#111;'> 1.32KB </span>","children":null,"spread":false}],"spread":true},{"title":"data","children":[{"title":"HTMLContent.java <span style='color:#111;'> 2.12KB </span>","children":null,"spread":false},{"title":"ContentItem.java <span style='color:#111;'> 702B 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style='color:#111;'> 1.68KB </span>","children":null,"spread":false},{"title":"NewsUser.java <span style='color:#111;'> 875B </span>","children":null,"spread":false},{"title":"MusicData.java <span style='color:#111;'> 9.40KB </span>","children":null,"spread":false}],"spread":false},{"title":"model","children":[{"title":"SimilarUser.java <span style='color:#111;'> 2.75KB </span>","children":null,"spread":false},{"title":"Rating.java <span style='color:#111;'> 2.08KB </span>","children":null,"spread":false},{"title":"Dataset.java <span style='color:#111;'> 2.46KB </span>","children":null,"spread":false},{"title":"SimilarItem.java <span style='color:#111;'> 2.40KB </span>","children":null,"spread":false},{"title":"Content.java <span style='color:#111;'> 4.67KB </span>","children":null,"spread":false},{"title":"User.java <span style='color:#111;'> 4.04KB </span>","children":null,"spread":false},{"title":"Item.java <span style='color:#111;'> 3.80KB </span>","children":null,"spread":false}],"spread":true},{"title":"recommender","children":[{"title":"DiggDelphi.java <span style='color:#111;'> 8.13KB </span>","children":null,"spread":false},{"title":"Recommender.java <span style='color:#111;'> 1.51KB </span>","children":null,"spread":false},{"title":"Delphi.java <span style='color:#111;'> 16.60KB </span>","children":null,"spread":false},{"title":"PredictedItemRating.java <span style='color:#111;'> 3.64KB </span>","children":null,"spread":false},{"title":"MovieLensDelphi.java <span style='color:#111;'> 9.76KB </span>","children":null,"spread":false}],"spread":true},{"title":"cache","children":[{"title":"FileStore.java <span style='color:#111;'> 2.71KB </span>","children":null,"spread":false},{"title":"Store.java <span style='color:#111;'> 898B </span>","children":null,"spread":false}],"spread":true},{"title":"similarity","children":[{"title":"RecommendationType.java <span style='color:#111;'> 303B 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