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JLP
2000
104views more  JLP 2000»
15 years 4 months ago
Dynamic updates of non-monotonic knowledge bases
In this paper we investigate updates of knowledge bases represented by logic programs. In order to represent negative information, we use generalized logic programs which allow de...
José Júlio Alferes, João Alex...
ICLP
2009
Springer
16 years 5 months ago
Constraint Based Languages for Biological Reactions
In this paper, we study the modelization of biochemical reaction by using concurrent constraint programming idioms. In particular we will consider the stochastic concurrent constra...
Marco Bottalico, Stefano Bistarelli
POPL
2005
ACM
16 years 5 months ago
Downgrading policies and relaxed noninterference
In traditional information-flow type systems, the security policy is often formalized as noninterference properties. However, noninterference alone is too strong to express securi...
Peng Li, Steve Zdancewic
POPL
2005
ACM
16 years 5 months ago
Environmental acquisition revisited
In 1996, Gil and Lorenz proposed programming language constructs for specifying environmental acquisition in addition to inheritance acquisition for objects. They noticed that in ...
Richard Cobbe, Matthias Felleisen
PODS
2005
ACM
147views Database» more  PODS 2005»
16 years 5 months ago
Peer data exchange
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
Ariel Fuxman, Phokion G. Kolaitis, Renée J....