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SOSYM
2002
123views more  SOSYM 2002»
15 years 6 months ago
A structured operational semantics for UML-statecharts
The Unified Modeling Language (UML) has gained wide acceptance in very short time because of its variety of well-known and intuitive graphical notations. However, this comes at the...
Michael von der Beeck
SEMWEB
2010
Springer
15 years 4 months ago
Semantic Need: Guiding Metadata Annotations by Questions People #ask
Abstract. In its core, the Semantic Web is about the creation, collection and interlinking of metadata on which agents can perform tasks for human users. While many tools and appro...
Hans-Jörg Happel
CIKM
2009
Springer
15 years 10 months ago
Semantic queries in databases: problems and challenges
Supporting semantic queries in relational databases is essential to many advanced applications. Recently, with the increasing use of ontology in various applications, the need for...
Lipyeow Lim, Haixun Wang, Min Wang
ECAI
2008
Springer
15 years 8 months ago
A Coherent Well-founded Model for Hybrid MKNF Knowledge Bases
Abstract. With the advent of the Semantic Web, the question becomes important how to best combine open-world based ontology languages, like OWL, with closed-world rules paradigms. ...
Matthias Knorr, José Júlio Alferes, ...
FUIN
2008
94views more  FUIN 2008»
15 years 6 months ago
On the Compared Expressiveness of Arc, Place and Transition Time Petri Nets
In this paper, we consider safe Time Petri Nets where time intervals (strict and large) are associated with places (P-TPN), arcs (A-TPN) or transitions (T-TPN). We give the formal ...
Marc Boyer, Olivier H. Roux