胡偉健 陳俊 李靈芳 何盛國



摘要:組推薦系統能夠為多個用戶組成的群組提供推薦服務。提出了結合用戶特征和用戶興趣變化的組推薦系統算法。根據用戶特征使用聚類算法進行群組發現,提出了一種結合用戶興趣變化的協同過濾算法,并使用該算法對群組內的用戶評分進行預測;采用評分融合方法以及痛苦避免均值融合策略將群組內各用戶的偏好進行融合,得出群組預測評分,從而為群組推薦結果。實驗結果表明,該算法能有效提高組推薦系統準確度。
關鍵詞:組推薦;推薦系統;用戶特征;用戶興趣; 偏好融合
DOIDOI:10.11907/rjdk.161256
中圖分類號:TP312文獻標識碼:A文章編號:1672-7800(2016)006-0060-03
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