3269 search results - page 86 / 654 » Query Optimization for XML |
124
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PODS
2010
ACM
15 years 8 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
229
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ICDE
2008
IEEE
16 years 4 months ago
2008
IEEE
Answering queries using materialized views has been well studied in the context of structured queries and has shown significant performance benefits. Despite the popularity of keyw...
128
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EDBT
2006
ACM
16 years 3 months ago
2006
ACM
Relevance Feedback is an important way to enhance retrieval quality by integrating relevance information provided by a user. In XML retrieval, feedback engines usually generate an ...
127
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DBPL
2003
Springer
15 years 8 months ago
2003
Springer
We introduce the new notion of XML Stream Attribute Grammars (XSAGs). XSAGs are the first scalable query language for XML streams (running strictly in linear time with bounded mem...
113
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DBPL
2003
Springer
15 years 8 months ago
2003
Springer
The increased usage of mobile devices coupled with an unprecedented demand for information has pushed the scalability problem of pull-based data service to the focus. A broadcast ...