14306 search results - page 671 / 2862 » Database System Concepts |
222
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SSDBM
1992
IEEE
15 years 11 months ago
1992
IEEE
Ecological surveys generate large quantities of data database technology has not yet reached its full potential in this area. Here we investigate approaches to modelling ecologica...
164
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CORR
2002
Springer
15 years 7 months ago
2002
Springer
We describe a meta-querying system for databases containing queries in addition to ordinary data. In the context of such databases, a meta-query is a query about queries. Represen...
204
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ICDE
2010
IEEE
16 years 7 months ago
2010
IEEE
As the amount of Web information grows rapidly, search engines must be able to retrieve information according to the user's preference. In this paper, we propose a new web sea...
224
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CIKM
2005
Springer
16 years 25 days ago
2005
Springer
Despite the recent advances in search quality, the fast increase in the size of the Web collection has introduced new challenges for Web ranking algorithms. In fact, there are sti...
215
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SIGMOD
2008
ACM
15 years 7 months ago
2008
ACM
OLAP is an important tool in decision support. With the help of domain knowledge, such as hierarchies of attribute values, OLAP helps the user observe the effects of various decis...