7593 search results - page 1218 / 1519 » Querying XML Databases |
172
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TEAA
2005
Springer
16 years 6 days ago
2005
Springer
Abstract. In emerging database applications that deal with large sets of multidimensional data, the performance of the query system significantly depends on the performance of its ...
140
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UC
2005
Springer
16 years 6 days ago
2005
Springer
Consider a database most of whose entries are marked but the precise fraction of marked entries is not known. What is known is that the fraction of marked entries is 1 − , where ...
147
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VLDB
2005
ACM
16 years 6 days ago
2005
ACM
Prior work on computing queries from materialized views has focused on views defined by expressions consisting of selection, projection, and inner joins, with an optional aggrega...
186
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COMPGEOM
2004
ACM
16 years 5 days ago
2004
ACM
We consider the problem of approximate range counting over streams of d-dimensional points. In the data stream model, the algorithm makes a single scan of the data, which is prese...
136
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XIMEP
2004
ACM
16 years 5 days ago
2004
ACM
We argue that efficient support for schema validation and type annotation in XQuery processors deserves as much attention as efficient evaluation techniques for XPath queries have...