902 search results - page 18 / 181 » Efficient and Extensible Algorithms for Multi Query Optimiza... |
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
Trees and graphs are widely used to model biological databases. Providing efficient algorithms to support tree-based or graph-based querying is therefore an important issue. In th...
SEMWEB
2010
Springer
13 years 6 months ago
2010
Springer
We study the problem of SPARQL query optimization on top of distributed hash tables. Existing works on SPARQL query processing in such environments have never been implemented in a...
WEBI
2010
Springer
13 years 6 months ago
2010
Springer
This paper intends to present a straightforward, extensive, and noise resistant method for efficiently tagging a web query, submitted to a search engine, with proper category label...
CIKM
2007
Springer
14 years 13 days ago
2007
Springer
We investigate the problem of how to evaluate, fast and efficiently, classes of optimal route queries on a massive graph in a unified framework. To evaluate a route query effectiv...
AAAI
2006
13 years 9 months ago
2006
This paper develops new algorithms for coalition formation within multi-sensor networks tasked with performing widearea surveillance. Specifically, we cast this application as an ...