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C. Krishnan, S. Rajakumari, und M. Mehraj. International Journal on Recent and Innovation Trends in Computing and Communication, 3 (4):
1750--1754(April 2015)
D. Skoutas, M. Alrifai, und W. Nejdl. Proc. of 4th International Workshop on Personalized Access, Profile Management, and Context Awareness in Databases (PersDB), in conjunction with VLDB 2010., (2010)