50 search results - page 4 / 10 » Modeling, querying and reasoning about OLAP databases: a fun... |
122
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SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
78
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TIME
2005
IEEE
15 years 3 months ago
2005
IEEE
This paper presents an XML-based approach to implementing the parametric model of temporal databases. In the parametric model, attribute values are functions of time and the entir...
154
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GIS
2006
ACM
15 years 10 months ago
2006
ACM
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision-making, reasoning, and analysis. Raw input about un...
UAI
1998
14 years 11 months ago
1998
People using consumer software applications typically do not use technical jargon when querying an online database of help topics. Rather, they attempt to communicate their goals ...
ER
2006
Springer
15 years 1 months ago
2006
Springer
One of the main drawbacks of the Semantic Web is the lack of semantically rich data, since most of the information is still stored in relational databases. In this paper, we presen...