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167
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ISCA
2002
IEEE
15 years 11 months ago
2002
IEEE
Microprocessor clock frequency has improved by nearly 40% annually over the past decade. This improvement has been provided, in equal measure, by smaller technologies and deeper p...
185
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DAWAK
2000
Springer
15 years 11 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...
169
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ICLP
1997
Springer
15 years 10 months ago
1997
Springer
Kowalski and Sergot’s Event Calculus (EC) is a simple temporal formalism that, given a set of event occurrences, derives the maximal validity intervals (MVIs) over which propert...
169
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ER
1994
Springer
15 years 10 months ago
1994
Springer
A logical database schema, e.g. a relational one, is an implementation of a speci cation, e.g. an entity-relationship diagram. Upcoming new data models and the necessity of seamle...
279
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ICTL
1994
15 years 10 months ago
1994
Commonsense knowledge often omits the temporal incidence of facts, and even the ordering between occurrences is only available for some of their instances. Reasoning about the temp...