Title	Processing Continuous k-Nearest Neighbor Queries in Location-Dependent Application
Author	Wei Zhang, Jianzhong Li, Haiwei Pan
Citation	Vol. 6  No. 3  pp. 1-9
Keywords	Query Processing, Continuous Query, Location-dependent, Spatio-temporal

Title	Induction of Global Rules Considering Schema Conflicts in Multi-database Systems
Author	Yufu Song, Zengyou He, Xiaofei Xu, Shengchun Deng
Citation	Vol. 6  No. 4  pp. 48-51
Keywords	Rules, Semantic Query Optimization, Multi-database Systems

Title	A Clustering-based Scheme for Labeling XML Trees
Author	Sadegh Soltan, Masoud Rahgozar
Citation	Vol. 6  No. 9  pp. 84-89
Keywords	XML, Tree Labeling, Query Optimization

Title	Xml Query Processing ? Semantic Cache System
Author	M.R.Sumalatha, V.Vaidehi, A.Kannan
Citation	Vol. 7  No. 4  pp. 164-169
Keywords	XML query processing, Semantic cache system.