2724 search results - page 217 / 545 » Optimizing Queries on Files |
133
Voted
ICPADS
2008
IEEE
15 years 10 months ago
2008
IEEE
Existing solutions for top-k queries in wireless sensor networks mainly focused on energy efficiency and little attention has been paid to the response time to answer a top-k que...
126
Voted
ICPP
2003
IEEE
15 years 9 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...
157
Voted
SSDBM
2002
IEEE
15 years 8 months ago
2002
IEEE
This paper presents an approach to answering queries over an ontology modelled using a description logic. The ontology acts as a global schema, providing a declarative description...
120
Voted
VLDB
1999
ACM
15 years 8 months ago
1999
ACM
Data intensive applications today usually run in either a clientserver or a middleware environment. In either case, they must efficiently handle both database queries, which proc...
139
Voted
SDM
2003
SIAM
15 years 5 months ago
2003
SIAM
In earlier work we have introduced and explored a variety of different probabilistic models for the problem of answering selectivity queries posed to large sparse binary data set...