721 search results - page 33 / 145 » Supporting top-k join queries in relational databases |
ICDT
2007
ACM
15 years 3 months ago
2007
ACM
The first aim of this paper is to present the logical core of XPath 2.0: a logically clean, decidable fragment, which includes most navigational features of XPath 2.0 (complex co...
ICDE
2006
IEEE
15 years 3 months ago
2006
IEEE
— XML stream applications bring the challenge of efficiently processing queries on sequentially accessible tokenbased data. For efficient processing of queries, we need to ensu...
169
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
190
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VLDB
2005
ACM
15 years 10 months ago
2005
ACM
XML database systems emerge as a result of the acceptance of the XML data model. Recent works have followed the promising approach of building XML database management systems on un...
184
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
This paper addresses issues related to containment join processing in tree-structured data such as XML documents. A containment join takes two sets of XML node elements as input a...