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217
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VLDB
2005
ACM
16 years 17 days ago
2005
ACM
“W3QL: A Query Language for the WWW”, published in 1995, presented a language with several distinctive features. Employing existing indexes as access paths, it allowed the sel...
183
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EUROPAR
2004
Springer
16 years 15 days ago
2004
Springer
OLAP queries are typically heavy-weight and ad-hoc thus requiring high storage capacity and processing power. In this paper, we address this problem using a database cluster which...
246
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ISCIS
2004
Springer
16 years 14 days ago
2004
Springer
Interest on using mobile autonomous agents has been growing, recently, due to their capacity to cooperate for diverse purposes, from rescue to demining and security. However, such ...
178
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SDMW
2004
Springer
16 years 13 days ago
2004
Springer
In a database system, authorization-based access-control is generally the first line of defense, preventing unauthorized accesses to secret or sensitive data. However, this mechan...
194
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ADC
2003
Springer
16 years 10 days ago
2003
Springer
Defeasible logic is a non-monotonic logic with applications in rule-based domains such as law. To ease the development and improve the accuracy of expert systems based on defeasib...