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» Operational Semantics for MSC'96
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PODS
2008
ACM
170views Database» more  PODS 2008»
15 years 10 months ago
Answering aggregate queries in data exchange
Data exchange, also known as data translation, has been extensively investigated in recent years. One main direction of research has focused on the semantics and the complexity of...
Foto N. Afrati, Phokion G. Kolaitis
JELIA
2004
Springer
15 years 3 months ago
Reasoning About Quantum Systems
Abstract. A new logic is proposed for reasoning about quantum systems. The logic embodies the postulates of quantum physics and it was designed from the semantics upwards by identi...
Paulo Mateus, Amílcar Sernadas
APN
2001
Springer
15 years 2 months ago
Rewriting Logic as a Unifying Framework for Petri Nets
We propose rewriting logic as a unifying framework for a wide range of Petri nets models. We treat in detail place/transition nets and important extensions of the basic model by in...
Mark-Oliver Stehr, José Meseguer, Peter Csa...
COMAD
2008
14 years 11 months ago
Silverfish: A Contextual Knowledge Extraction and Aggregation System for Academics
Repositories like arXiv1 and knowledge bases like CiteSeer2 are increasingly becoming central to academicians and researchers. However, current systems provide too little semantic...
Srinath Srinivasa, Aditya Ramana Rachakonda
TES
2001
Springer
15 years 2 months ago
Security for Distributed E-Service Composition
Current developments show that tomorrow’s information systems and applications will no longer be based on monolithic architectures that encompass all the functionality. Rather, t...
Stefan Seltzsam, Stephan Börzsönyi, Alfo...