6495 search results - page 483 / 1299 » Modeling Multidimensional Databases |
186
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DBPL
2001
Springer
15 years 11 months ago
2001
Springer
Abstract. We present a simple Data Mining Logic (DML) that can express common data mining tasks, like “Find Boolean association rules” or “Find inclusion dependencies.” At ...
158
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LPAR
2001
Springer
15 years 11 months ago
2001
Springer
A simple model of dynamic databases is studied from a modal logic perspecitve. A state α of a database is an atomic update of a state β if at most one atomic statement is evaluat...
172
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DEXAW
2004
IEEE
15 years 10 months ago
2004
IEEE
In order to obtain a suitable model of the universe of discourse of some information systems, it is important to allow the description of imprecise objects with temporal indetermi...
174
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FQAS
2000
Springer
15 years 10 months ago
2000
Springer
- We investigate extensions of the classical measurement of effectiveness in information retrieval systems, precision and recall, to situations where the answer is modeled by a fuz...
205
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SIGMOD
2010
ACM
15 years 5 months ago
2010
ACM
One useful feature that is missing from today’s database systems is an explain capability that enables users to seek clarifications on unexpected query results. There are two t...