2733 search results - page 138 / 547 » The Constellation Query Language |
151
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DOCENG
2009
ACM
16 years 26 days ago
2009
ACM
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...
181
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VLDB
2005
ACM
15 years 12 months ago
2005
ACM
“W3QL: A Query Language for the WWW”, published in 1995, presented a language with several distinctive features. Employing existing indexes as access paths, it allowed the sel...
159
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PODS
2000
ACM
15 years 10 months ago
2000
ACM
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
174
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ESWS
2005
Springer
15 years 12 months ago
2005
Springer
Abstract. This paper studies the RDF model from a database perspective. From this point of view it is compared with other database models, particularly with graph database models, ...
172
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COOPIS
2002
IEEE
15 years 11 months ago
2002
IEEE
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...