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» Causality and the Semantics of Provenance
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TPLP
2002
69views more  TPLP 2002»
14 years 9 months ago
Soundness, idempotence and commutativity of set-sharing
It is important that practical data-flow analyzers are backed by reliably proven theoretical Abstract interpretation provides a sound mathematical framework and necessary properti...
Patricia M. Hill, Roberto Bagnara, Enea Zaffanella
RTAS
2007
IEEE
15 years 4 months ago
A Programming Model for Time-Synchronized Distributed Real-Time Systems
Discrete-event (DE) models are formal system specifications that have analyzable deterministic behaviors. Using a global, consistent notion of time, DE components communicate via...
Yang Zhao, Jie Liu, Edward A. Lee
AIPS
2009
14 years 11 months ago
A Semantics for HTN Methods
Despite the extensive development of first-principles planning in recent years, planning applications are still primarily developed using knowledge-based planners which can exploi...
Robert P. Goldman
174
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ICDE
2005
IEEE
105views Database» more  ICDE 2005»
15 years 11 months ago
Representing and Querying Data Transformations
Modern information systems often store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source semantics of data ...
John Mylopoulos, Renée J. Miller, Yannis Ve...
135
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JBCS
2010
85views more  JBCS 2010»
14 years 5 months ago
OWL schema matching
Schema matching is a fundamental issue to many database applications, such as query mediation and data warehousing. It becomes a challenge when different vocabularies are used to r...
Luiz André P. Paes Leme, Marco A. Casanova,...