349 search results - page 21 / 70 » Query Rewriting for Semistructured Data |
164
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ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
202
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VLDB
2007
ACM
16 years 2 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
238
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ICDE
2000
IEEE
16 years 3 months ago
2000
IEEE
XML is here as the internet standard for information exchange among e-businesses and applications. With its dramatic adoption and its ability to model structured, unstructured and...
SBBD
2007
15 years 3 months ago
2007
Abstract. Databases, particularly when storing heterogeneous, sparse semistructured data, tend to provide incomplete information and information which is difficult to categorize. T...
89
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IDEAS
2005
IEEE
15 years 7 months ago
2005
IEEE
The modern XML query language called XQuery includes advanced facilities both to query and to transform XML data. An XQuery query optimizer should be able to optimize any query. F...