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Many of the recent algorithms have been developed to improve the various aspects of collaborative filtering recommender systems, however, most of them do not take the sectional data of users and items information or characteristic into account. This paper, we present a new improved collaborative filtering based on item similarity modified and item common ratings which take full advantage of the sectional...
This paper describes the idea of collaborative design process based on CAD/CAE/CFD for automotive engines design with a design process of a 4V105 diesel engine as an example. To establish collaborative design environment, the entire design of automobile engines will be concentrated and investigated. The collaborative will change the isolated ideas of traditional design and make the designing units...
A bidirectional selection cooperation approach based on Multi-Agent is presented, in which some parameters, such as the ability value, communication costs and so on, are introduced into the classical contract net protocol. More importantly, the bidirectional selection mechanism between assign task agent and perform task agent is introduced into collaboration for the first time. These parameters reduce...
Mobile devices are in a widespread use today. Restricted by the features of mobile devices, such as mobility, low communication bandwidth, small capacity of memory, limited power and inconvenient interaction, mobile services are required to recommend items adapting to the user need and location. Much existing research on recommendations ignores semantic information of user dynamic historical preferences...
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