550 search results - page 47 / 110 » A Logical Approach to Multidimensional Databases |
126
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CORR
2007
Springer
15 years 2 months ago
2007
Springer
In a data warehousing process, the data preparation phase is crucial. Mastering this phase allows substantial gains in terms of time and performance when performing a multidimensio...
113
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STORAGESS
2005
ACM
15 years 8 months ago
2005
ACM
Database outsourcing is becoming increasingly popular introducing a new paradigm, called database-as-a-service (DAS), where an organization’s database is stored at an external s...
135
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LPNMR
2005
Springer
15 years 8 months ago
2005
Springer
We introduce a declarative approach for a coherent composition of autonomous databases. For this we use ID-logic, a formalism that extends classical logic with inductive definitio...
140
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DBSEC
2006
15 years 3 months ago
2006
Abstract. Controlled Query Evaluation (CQE) offers a logical framework to prevent a user of a database from inadvertently gaining knowledge he is not allowed to know. By modeling t...
120
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VLDB
1990
ACM
15 years 6 months ago
1990
ACM
A probabilistic learning model for vague queries and missing or imprecise information in databases is described. Instead of retrieving only a set of answers, our approach yields a...