640 search results - page 14 / 128 » Query Optimization Using Multiple SIP Strategies |
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
Abstract—Temporal Dynamic Spectrum Access (DSA) in Cognitive Radio Networks exploits time gaps between the primary users transmissions. In this work, the fundamental performance ...
AAAI
2010
13 years 11 months ago
2010
Web search engines respond to a query by returning more results than can be reasonably reviewed. These results typically include the title, link, and snippet of content from the t...
ICDE
2007
IEEE
14 years 1 months ago
2007
IEEE
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...
VLDB
2005
ACM
14 years 3 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
TC
2002
13 years 9 months ago
2002
To improve the scalability of the Web it is common practice to apply caching and replication techniques. Numerous strategies for placing and maintaining multiple copies of Web doc...