6974 search results - page 281 / 1395 » Querying Semi-Structured Data |
184
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SIGIR
2006
ACM
16 years 19 days ago
2006
ACM
Combining the output from multiple retrieval sources over the same document collection is of great importance to a number of retrieval tasks such as multimedia retrieval, web retr...
144
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IDEAS
2005
IEEE
16 years 8 days 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...
177
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VLDB
2005
ACM
16 years 4 days ago
2005
ACM
The interaction between recursion in XPATH and recursion in DTDs makes it challenging to answer XPATH queries on XML data that is stored in an RDBMS via schema-based shredding. We...
190
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DOLAP
2003
ACM
15 years 12 months ago
2003
ACM
Multidimensional aggregation queries constitute the single most important class of queries for data warehousing applications and decision support systems. The bottleneck in the ev...
174
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DASFAA
1999
IEEE
15 years 11 months ago
1999
IEEE
The spatial query has been processed in two steps, the filter step and the refinement step, due to a large volume and high complexity of the spatial data. However, this approach h...