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» The problem with rights expression languages
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CICLING
2007
Springer
15 years 1 months ago
The Usefulness of Conceptual Representation for the Identification of Semantic Variability Expressions
Abstract. The need of the current Natural Language Processing applications to identify text segments that express the same meaning in different ways, evolved into the identificatio...
Zornitsa Kozareva, Sonia Vázquez, Andr&eacu...
FOSSACS
2008
Springer
14 years 11 months ago
Optimal Lower Bounds on Regular Expression Size Using Communication Complexity
The problem of converting deterministic finite automata into (short) regular expressions is considered. It is known that the required expression size is 2(n) in the worst case for ...
Hermann Gruber, Jan Johannsen
COLING
2010
14 years 4 months ago
Expressing OWL axioms by English sentences: dubious in theory, feasible in practice
With OWL (Web Ontology Language) established as a standard for encoding ontologies on the Semantic Web, interest has begun to focus on the task of verbalising OWL code in controll...
Richard Power, Allan Third
TIME
2003
IEEE
15 years 2 months ago
Hybrid Logics on Linear Structures: Expressivity and Complexity
We investigate expressivity and complexity of hybrid logics on linear structures. Hybrid logics are an enrichment of modal logics with certain first-order features which are algo...
Massimo Franceschet, Maarten de Rijke, Bernd-Holge...
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CONCUR
2012
Springer
13 years 1 days ago
Decidability Problems for Actor Systems
We introduce a nominal actor-based language and study its expressive power. We have identified the presence/absence of fields as a relevant feature: the dynamic creation of names...
Frank S. de Boer, Mahdi Mahdi Jaghoori, Cosimo Lan...