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» A Formal Semantics for SPKI
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JUCS
2007
109views more  JUCS 2007»
15 years 6 months ago
On Ranking RDF Schema Elements (and its Application in Visualization)
Abstract: Ranking is a ubiquitous requirement whenever we confront a large collection of atomic or interrelated artifacts. This paper elaborates on this issue for the case of RDF s...
Yannis Tzitzikas, Dimitris Kotzinos, Yannis Theoha...
JWSR
2007
89views more  JWSR 2007»
15 years 6 months ago
Fully Automated Web Services Discovery and Composition Through Concept Covering and Concept Abduction
: We propose a framework and polynomial algorithms for semantic-based automated Web service composition, fully compliant with Semantic Web technologies. The approach exploits the r...
Azzurra Ragone, Tommaso Di Noia, Eugenio Di Sciasc...
BSL
2004
100views more  BSL 2004»
15 years 6 months ago
Forcing in proof theory
Paul Cohen's method of forcing, together with Saul Kripke's related semantics for modal and intuitionistic logic, has had profound effects on a number of branches of mat...
Jeremy Avigad
CN
2002
111views more  CN 2002»
15 years 6 months ago
Analysis and optimisation of event-condition-action rules on XML
XML is a now a dominant standard for storing and exchanging information. With its increasing use in areas such as data warehousing and e-commerce, there is a rapidly growing need ...
James Bailey, Alexandra Poulovassilis, Peter T. Wo...
CORR
2000
Springer
133views Education» more  CORR 2000»
15 years 6 months ago
On Exponential-Time Completeness of the Circularity Problem for Attribute Grammars
Attribute grammars (AGs) are a formal technique for defining semantics of programming languages. Existing complexity proofs on the circularity problem of AGs are based on automata...
Pei-Chi Wu