2492 search results - page 346 / 499 » Ontology-based Database Access |
261
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
In the ocean of Web data, Web search engines are the primary way to access content. As the data is on the order of petabytes, current search engines are very large centralized sys...
311
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
264
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Traditional approaches for efficiently processing historical queries, where a history is a multidimensional timeseries, employ a two step filter-and-refine scheme. In the filter s...
291
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
The popularity of XML has motivated the development of novel XML processing tools many of which embed the XPath language for XML querying, transformation, constraint specification...
242
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
MultiMap is an algorithm for mapping multidimensional datasets so as to preserve the data's spatial locality on disks. Without revealing disk-specific details to applications...