Thanks to the anonymous reviewers for their insightful comments. This work was supported by National High Technology Research and Development Plan of China ("863" plan)(2012AA012600, 2012AA01A402, 2012AA01A401, 2011AA010702 and 2010AA012505); the National Natural Science Foundation of China (Grant Nos. 60933005 and 91124002); the National Key Technology Research and Development Program of China (2012BAH38B04 and 2012BAH38B06); National 242 Information Security Program of China (2011A010).
Abstract NoSQL databases are famed for the characteristics of high scalability, high availability, and high faulttolerance. So NoSQL databases are used in a lot of applications. The data partitioning strategy and frag...
Project supported by the National Natural Science Foundation of China(Nos.60933005 and 91124002);the National High-Tech R&D Program(863)of China(Nos.2010AA012505,2011AA010702,2012AA01A401,and 2012AA01A402);the National 242 Foundation(No.2011A010);the National Technology Support Foundation(Nos.2012BAH38B04 and 2012BAH38B06)
Cloud computing is deemed the next-generation information technology(IT) platform, in which a data center is crucial for providing a large amount of computing and storage resources for various service applications wit...
supported by the National Natural Science Foundation of China(Nos.60933005 and 91124002);the National High-Tech R&D Program (863) of China(Nos.012505,2011AA010702,2012AA01A401,and 2012AA01A402);the 242 Information Security Program(No.2011A010);the National Science and Technology Support Program(Nos.2012BAH38B04 and 2012BAH38B06),China
Message forwarding (e.g.,retweeting on Twitter.com) is one of the most popular functions in many existing microblogs,and a large number of users participate in the propagation of information,for any given messages.Whi...