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IEEE Systems Journal > 2017 > 11 > 1 > 345 - 355
Tourism Management > 2010 > 31 > 2 > 179-188
Web Semantics: Science, Services and Agents on the World Wide Web > 2007 > 5 > 4 > 262-278
Lecture Notes in Computer Science > Online Communities and Social Computing > Information Management in Social Computing > 378-386
Frontiers of Information Technology & Electronic Engineering > 2010 > 11 > 4 > 241-248