1846 search results - page 129 / 370 » Fuzzy queries and relational databases |
179
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SIGMOD
1999
ACM
15 years 10 months ago
1999
ACM
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
170
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MOBIDE
2006
ACM
16 years 4 days ago
2006
ACM
Composition of temporal and spatial properties of real world objects in a unified data framework results into Moving Object Databases (MOD). MODs are able to process, manage and a...
304
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
In this paper we explore database segmentation in the context of a column-store DBMS targeted at a scientific database. We present a novel hardware- and scheme-oblivious segmentati...
167
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GLOBE
2009
Springer
15 years 10 months ago
2009
Springer
Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...
209
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ICDT
2001
ACM
15 years 10 months ago
2001
ACM
This document proposes an algebra for XML Query. The algebra has been submitted to the W3C XML Query Working Group. A novel feature of the algebra is the use of regular-expression ...