349 search results - page 23 / 70 » Query Rewriting for Semistructured Data |
233
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ICDE
2002
IEEE
16 years 3 months ago
2002
IEEE
XML and other semi-structured data may have partially specified or missing schema information, motivating the use of a structural summary which can be automatically computed from ...
131
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SIGMOD
2011
ACM
14 years 4 months ago
2011
ACM
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
142
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AICOM
2004
15 years 1 months ago
2004
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...
VLDB
1999
ACM
15 years 6 months ago
1999
ACM
XML is fast emerging as the dominant standard for representing data in the World Wide Web. Sophisticated query engines that allow users to effectively tap the data stored in XML d...
144
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WISE
2007
Springer
15 years 8 months ago
2007
Springer
We study and present our findings on two closely related problems on xpath rewriting using views when both the view and the query are tree patterns involving /,// and []. First, g...