1429 search results - page 66 / 286 » Efficient processing of XPath queries using indexes |
GIS
2005
ACM
14 years 10 months ago
2005
ACM
Recent advances in low-power sensing devices coupled with the widespread availability of wireless ad-hoc networks have fueled the development of sensor networks. These are typical...
FUIN
2006
13 years 8 months ago
2006
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...
WCE
2007
13 years 10 months ago
2007
—Spatial query execution is an essential functionality of a sensor network. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execu...
CIKM
1999
Springer
14 years 1 months ago
1999
Springer
A research prototype is presented for semantic indexing and retrieval in Information Retrieval. The prototype is motivated by a desire to provide a more efficient and effective in...
SIGMOD
2000
ACM
13 years 8 months ago
2000
ACM
In this paper we describe XXL (eXtensible and fleXible Library), a toolkit for rapid prototyping query processing algorithms. XXL is a flexible, high-level, platform independent J...