373 search results - page 18 / 75 » Querying Priced Information in Databases: The Conjunctive Ca... |
BIODATAMINING
2008
14 years 9 months ago
2008
Background: In computer science, database systems are based on the relational model founded by Edgar Codd in 1970. On the other hand, in the area of biology the word 'databas...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Traditional databases have focused on the issue of reducing I/O cost as it is the bottleneck in many operations. As databases become increasingly accepted in areas such as Geograp...
172
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ICDE
2000
IEEE
15 years 11 months ago
2000
IEEE
In information-integration systems, sources may have diverse and limited query capabilities. In this paper we show that because sources have restrictions on retrieving their infor...
163
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GIS
2009
ACM
15 years 10 months ago
2009
ACM
Geographic information retrieval encompasses important tasks including finding the location of a user, and locations relevant to their search queries. Web-based search engines rec...
EDBT
2004
ACM
15 years 9 months ago
2004
ACM
Though skyline queries already have claimed their place in retrieval over central databases, their application in Web information systems up to now was impossible due to the distri...