1238 search results - page 38 / 248 » View-based query containment |
CORR
2008
Springer
14 years 9 months ago
2008
Springer
perception of domain concepts. We have run this experiment on the 367 645 English abstracts of PASCAL 2005-2006 bibliographic database (http://www.inist.fr) and compared the struct...
195
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
IDEAS
2007
IEEE
15 years 4 months ago
2007
IEEE
In this paper we study the problem of deciding whether a regular path query over views in data-integration systems can be re-expressed without recursion. The problem becomes chall...
AWIC
2005
Springer
15 years 3 months ago
2005
Springer
Query expansion has been extensively studied as a technique for increasing information retrieval performance. However, due to the volume of documents available on the web, many of ...
109
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LAWEB
2003
IEEE
15 years 3 months ago
2003
IEEE
This work presents a method for automatic generate suggestions of related queries submitted to Web search engines. The method extracts information from the log of past submitted q...