针对协作过滤算法评测中普遍采用单一数据集,该文将传统的User-based(近邻数为20)、Item-based、Itemaverage、Item user average和Slope One 5种算法应用于MovieLens和Book-Crossing两种数据分布特征不同的数据集。结果显示,在Movielen...
The National Key Technology R&D Program of Chinaduring the 11th Five-Year Plan Period(No.2006BAH02A12);the National High Technology Research and Development Program of China(863 Program)(No.2006AA010101)
In order to improve the design and implementation quality of web service compositions,formal methods are used to model them and certain properties are verified.WCFA (web service interface control flow automata)is us...
The National Key Technology R&D Program of Chinaduring the 11th Five-Year Plan Period(No.2006BAH02A12);the National High Technology Research and Development Program of China(863 Program)(No.2006AA010101)
In order to ensure e-government construction healthily,rapidly and orderly develop,an e-government maturity model(EGMM)is proposed based on a software capability maturity model (CMM)and a project management maturi...