793 search results - page 88 / 159 » Optimizing Multiple Queries in Distributed Data Stream Syste... |
ICPP
2003
IEEE
14 years 2 months ago
2003
IEEE
Spatial databases are entering an era of mass deployment in various real-life applications, especially mobile and location-based services. The real-time processing of spatial quer...
ECIR
2004
Springer
13 years 10 months ago
2004
Springer
We simulate different architectures of a distributed Information Retrieval system on a very large Web collection, in order to work out the optimal setting for a particular set of r...
HPCS
2006
IEEE
14 years 3 months ago
2006
IEEE
This paper presents collaborative agents system architecture approach for data dissemination in a wireless sensor network (WSN). This system architecture consists of four layers o...
ICDE
2000
IEEE
14 years 10 months ago
2000
IEEE
Nearest neighbor queries are important in many settings, including spatial databases (Find the k closest cities) and multimedia databases (Find the k most similar images). Previou...
ADBIS
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...