2228 search results - page 92 / 446 » On Database Theory and XML |
156
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XSYM
2004
Springer
15 years 11 months ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
187
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BTW
2007
Springer
16 years 10 days ago
2007
Springer
: Over the recent years, very little effort has been made to give XPath a proper algebraic treatment. The only laudable exception is the Natix Algebra (NAL) which defines the tran...
198
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WWW
2005
ACM
15 years 11 months ago
2005
ACM
In this paper, we propose an approach to materialize XML data warehouses based on the frequent query patterns discovered from historical queries issued by users. The schemas of in...
143
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DEXA
2007
Springer
15 years 10 months ago
2007
Springer
Whenever Ajax applications on mobile devices have to retrieve large XML data fragments from a remote server, a reduction of the exchanged data volume may be crucial to manage limit...
187
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CIKM
2009
Springer
16 years 22 days ago
2009
Springer
XML query languages use directional path expressions to locate data in an XML data collection. They are tightly coupled to the structure of a data collection, and can fail when ev...