1238 search results - page 58 / 248 » View-based query containment |
ISMIS
2000
Springer
15 years 1 months ago
2000
Springer
Abstract. The conventional use of databases is commonly restricted to the retrieval of factual data in the form of tuples or records. However most databases also contain metadata i...
PODS
2000
ACM
15 years 2 months ago
2000
ACM
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
100
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JACM
2008
14 years 9 months ago
2008
XML queries are usually expressed by means of XPath expressions identifying portions of the selected documents. An XPath expression defines a way of navigating an XML tree and ret...
184
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
SSDBM
2007
IEEE
15 years 4 months ago
2007
IEEE
Location-based information contained in publicly available GIS databases is invaluable for many applications such as disaster response, national infrastructure protection, crime a...