659 search results - page 18 / 132 » Summarisation for Mobile Databases |
SAC
2004
ACM
14 years 3 months ago
2004
ACM
Integrity constraints are valuable tools for enforcing consistency of data in a database. Global integrity constraints ensure integrity and consistency of data spanning multiple d...
HICSS
2003
IEEE
14 years 3 months ago
2003
IEEE
We apply multiple query optimization to batches of pull (on-demand) requests in a mobile database system. The resulting view can answer several queries at once, and it is broadcas...
CORR
2010
Springer
13 years 10 months ago
2010
Springer
This paper introduces the security and trust concepts in wireless sensor networks and explains the difference between them, stating that even though both terms are used interchang...
JNW
2008
13 years 9 months ago
2008
Nowadays, multimedia streaming is a common service on the Internet including both fixed and mobile networks. The RTP protocol is usually used to transfer the media. The RTCP protoc...
ICDT
1999
ACM
14 years 2 months ago
1999
ACM
Abstract. In this paper we consider databases representing information about moving objects (e.g. vehicles), particularly their location. We address the problems of updating and qu...