3969 search results - page 146 / 794 » Query Processing Using Ontologies |
110
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SBIA
2004
Springer
15 years 8 months ago
2004
Springer
Tools and techniques used for automatic and smart analysis of huge data repositories of industries, governments, corporations and scientific institutes are the subjects dealt by th...
124
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ADBIS
2007
Springer
15 years 9 months ago
2007
Springer
This paper describes a new XML compression scheme that offers both high compression ratios and short query response time. Its core is a fully reversible transform featuring substit...
131
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EDBT
2000
ACM
15 years 6 months ago
2000
ACM
The management and query processing of one dimensional intervals is a special case of extended object handling. One dimensional intervals play an important role in temporal databa...
JCSS
1998
15 years 2 months ago
1998
d Abstract) LYDIA E. KAVRAKI JEAN-CLAUDE LATOMBE RAJEEV MOTWANI ¡ PRABHAKAR RAGHAVAN ¢ The subject of this paper is the analysis of a randomized preprocessing scheme that ...
134
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PPAM
2005
Springer
15 years 8 months ago
2005
Springer
Abstract. 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 algorit...