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» Constraints over Ontologies
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AIL
2004
113views more  AIL 2004»
13 years 8 months ago
On the Ontological Status of Plans and Norms
This article describes an ontological model of norms. The basic assumption is that a substantial part of a legal system is grounded on the concept of agency. Since a legal system a...
Guido Boella, Leonardo Lesmo, Rossana Damiano
VLDB
2000
ACM
129views Database» more  VLDB 2000»
14 years 14 days ago
Offering a Precision-Performance Tradeoff for Aggregation Queries over Replicated Data
Strict consistency of replicated data is infeasible or not required by many distributed applications, so current systems often permit stale replication, in which cached copies of ...
Chris Olston, Jennifer Widom
ICIP
2003
IEEE
14 years 10 months ago
A novel cost-distortion optimization framework for video streaming over differentiated services networks
This paperpresentsa novel framework for streamingvideo over a Differentiated Services (DifPjew) network that jointly considers video source coding. packet classification and error...
Fan Zhai, Yiftach Eisenberg, Carlos E. Luna, Thras...
TSC
2010
182views more  TSC 2010»
13 years 3 months ago
A Query Rewriting Approach for Web Service Composition
Data-Providing (DP) services allow query-like access to organizations' data via web services. The invocation of a DP service results in the execution of a query over data sour...
Mahmoud Barhamgi, Djamal Benslimane, Brahim Medjah...
ECAI
2000
Springer
14 years 1 months ago
Learning Classification taxonomies from a classification knowledge based system
Knowledge-based systems (KBS) are not necessarily based on well-defined ontologies. In particular it is possible to build KBS for classification problems, where there is little con...
Hendra Suryanto, Paul Compton