3891 search results - page 274 / 779 » Query Models |
213
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APWEB
2010
Springer
15 years 11 months ago
2010
Springer
Abstract. The term Deep Web (sometimes also called Hidden Web) refers to the data content that is created dynamically as the result of a specific search on the Web. In this respec...
292
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Graphs are prevalently used to model the relationships between objects in various domains. With the increasing usage of graph databases, it has become more and more demanding to e...
155
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DEXA
1999
Springer
15 years 11 months ago
1999
Springer
: In an extensible database system, evaluation of a query plan is done in cooperation between a collection of operator implementation functions and a component of the DBMS that we ...
172
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SIGMOD
1997
ACM
15 years 10 months ago
1997
ACM
: The read-mostly environment of data warehousing makes it possible to use more complex indexes to speed up queries than in situations where concurrent updatesare present. The curr...
180
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...