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» Regular Languages and Associative Language Descriptions
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CORR
2008
Springer
65views Education» more  CORR 2008»
13 years 7 months ago
The Wadge Hierarchy of Deterministic Tree Languages
Abstract. We provide a complete description of the Wadge hierarchy for deterministically recognizable sets of infinite trees. In particular we give an elementary procedure to decid...
Filip Murlak
AAAI
2007
13 years 9 months ago
Answering Regular Path Queries in Expressive Description Logics: An Automata-Theoretic Approach
Expressive Description Logics (DLs) have been advocated as formalisms for modeling the domain of interest in various application areas. An important requirement is the ability to ...
Diego Calvanese, Thomas Eiter, Magdalena Ortiz
VLDB
1991
ACM
179views Database» more  VLDB 1991»
13 years 11 months ago
A Relationship Mechanism for a Strongly Typed Object-Oriented Database Programming Language
Object-oriented data models are receiving wide attention since they provide expressive ionmechanismsto model naturally and directly both structural and behavioral aspectsof comple...
Antonio Albano, Giorgio Ghelli, Renzo Orsini
ATAL
1997
Springer
13 years 11 months ago
Semantics for an Agent Communication Language
Abstract. We address the issue of semantics for an agent communication language. In particular, the semantics of Knowledge Query Manipulation Language (KQML) is investigated. KQML ...
Yannis Labrou, Timothy W. Finin
FUIN
2008
71views more  FUIN 2008»
13 years 7 months ago
Nonterminal Complexity of Some Operations on Context-Free Languages
: We investigate context-free languages with respect to the measure Var of descriptional complexity, which gives the minimal number of nonterminals which is necessary to generate t...
Jürgen Dassow, Ralf Stiebe