219 search results - page 4 / 44 » Introduction to Logics for Databases and Information Systems |
DAWAK
2000
Springer
15 years 2 months ago
2000
Springer
In the context of multidimensional databases implemented on relational DBMSs through star schemes, the most effective technique to enhance performances consists of materializing re...
ADC
2006
Springer
15 years 3 months ago
2006
Springer
The World Wide Web revolutionized the use of forms in everyday private and business life by allowing a move away from paper forms to easily accessible digital forms. Data captured...
PODS
2000
ACM
15 years 2 months ago
2000
ACM
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
EDBT
2008
ACM
15 years 9 months ago
2008
ACM
In the classical database world, information access has been based on a paradigm that involves structured, schema-aware, queries and tabular answers. In the current environment, h...
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PODS
2009
ACM
15 years 10 months ago
2009
ACM
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...