Xiaoling Zhou, Yifei Lu, Yifang Sun, Muhammad Aamir Cheema. Improved Spatial Keyword Search Based on IDF Approximation. In Yoshiharu Ishikawa, Jianzhong Li, Wei Wang 0011, Rui Zhang, Wenjie Zhang, editors, Web Technologies and Applications - 15th Asia-Pacific Web Conference, APWeb 2013, Sydney, Australia, April 4-6, 2013. Proceedings. Volume 7808 of Lecture Notes in Computer Science, pages 461-472, Springer, 2013. [doi]
Abstract is missing.