86 search results - page 8 / 18 » Using Integrity Constraints to Provide Intensional Answers t... |
BTW
2005
Springer
15 years 3 months ago
2005
Springer
: User-defined data types such as intervals require specialized access methods to be efficiently searched and queried. As database implementors cannot provide appropriate index str...
155
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VLDB
2007
ACM
15 years 9 months ago
2007
ACM
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...
167
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...
VLDB
1994
ACM
15 years 1 months ago
1994
ACM
This paper introduces a formalism to describe the needs and preferences of database users. Because of the precise formulation of these concepts, we have found an automatic and ver...
APWEB
2010
Springer
15 years 2 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...