Sensor networks will shortly consist of globally deployed sensors providing real-time geo-centric information to users. Particularly, users with mobile devices will issue ad-hoc q...
Mohamed Aly, Anandha Gopalan, Jerry Zhao, Adel M. ...
We are witnessing in recent years growing interest for location-dependent information services among mobile users. This paper examines the issue of processing locationdependent qu...
Jianliang Xu, Baihua Zheng, Wang-Chien Lee, Dik Lu...
: XML DBMSs require new indexing techniques to efficiently process structural search and full-text search as integrated in XQuery. Much research has been done for indexing XML docu...
We introduce the formal framework of a generalized interaction scheme for information access between users and information sources. Within this framework we describe an interactio...
Index structures for multiple sets can be classified into those that group entries according to their key values and those that group entries according to their set membership. Th...