3969 search results - page 621 / 794 » Query Processing Using Ontologies |
140
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WWW
2007
ACM
16 years 5 months ago
2007
ACM
The results of the Web query log analysis may be significantly shifted depending on the fraction of agents (non-human clients), which are not excluded from the log. To detect and ...
120
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ICTAI
2007
IEEE
15 years 11 months ago
2007
IEEE
The document-length normalization problem has been widely studied in the field of Information Retrieval. The Cosine Normalization [2], the Maximum tf Normalization [1] and the By...
139
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ADBIS
2006
Springer
15 years 10 months ago
2006
Springer
materialized view selection is a non-trivial task. Hence, its complexity must be reduced. A judicious choice of views must be costdriven and influenced by the workload experienced...
245
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MMM
2005
Springer
15 years 10 months ago
2005
Springer
The efficient management of complex objects has become an enabling technology for modern multimedia information systems as well as for many novel database applications. Unfortunat...
126
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ICDT
2005
ACM
15 years 10 months ago
2005
ACM
What does a data stream mean? Much of the extensive work on query operators and query processing for data streams has proceeded without the benefit of an answer to this question. ...