Yunjun Gao, Baihua Zheng. Continuous obstructed nearest neighbor queries in spatial databases. In Ugur Çetintemel, Stanley B. Zdonik, Donald Kossmann, Nesime Tatbul, editors, Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2009, Providence, Rhode Island, USA, June 29 - July 2, 2009. pages 577-590, ACM, 2009. [doi]
Abstract is missing.