Titlebook: Database Systems for Advanced Applications; 18th International C Bonghee Hong,Xiaofeng Meng,Wei Song Conference proceedings 2013 Springer-V

截断

An Economical Query Cost Model in the Cloudpose of our work is to develop a cost model to select materialized views in the Cloud. The main characteristic of our cost model is that it considers the payment cost and the query processing paradigm. Intensive experiments were conducted using our cost model and the obtained results are deployed in

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Elena Gallitto,Marta Massi,Paul Harrisonsocial network to enhance the performance of the heuristic approaches. We perform markov clustering to find the natural communities in the social network and consider the most influential user in the community as the candidate for the top-k seeds. Also, we propose a novel attractor identification al

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Karina Standal,Harold L. Wilhite,Solvår Wågø that the active period of most micro-blog topics is about a month and the out-dated topics will be replaced by the upcoming and related new topics and find that the tweets that appeared in the peak time or the tweets from authenticated users can reflect the whole tweets situation of a topic. Howeve