關鍵詞:服務(wu)(wu)系(xi)統(tong) 冷啟動服務(wu)(wu) 服務(wu)(wu)組(zu)合 協作關(guan)系(xi) 主題模型
摘要:Web服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)系(xi)統(tong)中(zhong)大量(liang)(liang)無使用記錄的(de)(de)服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)和(he)不斷的(de)(de)新(xin)創建服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)被(bei)稱(cheng)為(wei)(wei)(wei)冷(leng)(leng)啟(qi)(qi)動(dong)(dong)(dong)服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)。為(wei)(wei)(wei)了(le)幫助服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)組合(he)開發者了(le)解冷(leng)(leng)啟(qi)(qi)動(dong)(dong)(dong)服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)的(de)(de)特性(xing),提高冷(leng)(leng)啟(qi)(qi)動(dong)(dong)(dong)服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)的(de)(de)關注(zhu)率與(yu)使用率,從而(er)增(zeng)強(qiang)服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)系(xi)統(tong)的(de)(de)元素多樣性(xing)和(he)系(xi)統(tong)魯棒(bang)性(xing),該文提出了(le)一種(zhong)冷(leng)(leng)啟(qi)(qi)動(dong)(dong)(dong)服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)協作關系(xi)挖掘與(yu)預(yu)測(ce)方法。該方法利用服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)描述(shu)重構(gou)和(he)功(gong)能主(zhu)題分析(xi)為(wei)(wei)(wei)每個服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)建立(li)(li)功(gong)能屬性(xing)向(xiang)量(liang)(liang)。對非冷(leng)(leng)啟(qi)(qi)動(dong)(dong)(dong)服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu),基于其歷史協作關系(xi)和(he)功(gong)能屬性(xing)向(xiang)量(liang)(liang)為(wei)(wei)(wei)其建立(li)(li)協作屬性(xing)向(xiang)量(liang)(liang)。通過對冷(leng)(leng)啟(qi)(qi)動(dong)(dong)(dong)服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)功(gong)能屬性(xing)向(xiang)量(liang)(liang)與(yu)非冷(leng)(leng)啟(qi)(qi)動(dong)(dong)(dong)服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)協作屬性(xing)向(xiang)量(liang)(liang)進行相(xiang)似性(xing)比較,實現(xian)冷(leng)(leng)啟(qi)(qi)動(dong)(dong)(dong)服(fu)(fu)(fu)(fu)(fu)(fu)務(wu)(wu)(wu)(wu)組合(he)協作關系(xi)預(yu)測(ce)。真實數據集(ji)上的(de)(de)實驗結(jie)果(guo)證明該方法在(zai)預(yu)測(ce)效(xiao)果(guo)上顯著強(qiang)于當前最優(you)方法。
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