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JUCS
2008
147views more  JUCS 2008»
13 years 11 months ago
Authoring Courses with Rich Adaptive Sequencing for IMS Learning Design
: This paper describes the process of translating an adaptive sequencing strategy designed using Sequencing Graphs to the semantics of IMS Learning Design. The relevance of this co...
Sergio Gutiérrez Santos, Abelardo Pardo, Ca...
IS
2008
13 years 11 months ago
On the expressibility of functions in XQuery fragments
XQuery is a powerful XML query language with many features and syntactic constructs. For many common queries we do not need all the expressive power of XQuery. We investigate the ...
Jan Hidders, Stefania Marrara, Jan Paredaens, Roel...
IANDC
2006
95views more  IANDC 2006»
13 years 11 months ago
The alternation hierarchy in fixpoint logic with chop is strict too
Fixpoint Logic with Chop extends the modal
Martin Lange
CORR
2010
Springer
140views Education» more  CORR 2010»
13 years 11 months ago
Decision Problems for Petri Nets with Names
We prove several decidability and undecidability results for -PN, an extension of P/T nets with pure name creation and name management. We give a simple proof of undecidability of...
Fernando Rosa Velardo, David de Frutos-Escrig
CORR
2010
Springer
98views Education» more  CORR 2010»
13 years 11 months ago
Extended Computation Tree Logic
We introduce a generic extension of the popular branching-time logic CTL which refines the temporal until and release operators with formal languages. For instance, a language may ...
Roland Axelsson, Matthew Hague, Stephan Kreutzer, ...
ATAL
2010
Springer
13 years 11 months ago
Verifying agents with memory is harder than it seemed
ATL+ is a variant of alternating-time temporal logic that does not have the expressive power of full ATL , but still allows for expressing some natural properties of agents. It ha...
Nils Bulling, Wojciech Jamroga
COLING
1994
14 years 25 days ago
Parsing A Flexible Word Order Language
A logic formalism is presented which increases the expressive power of the ID/LP format of GPSG by enlarging the inventory of ordering relations and extending the domain of their ...
Vladimir Pericliev, Alexander Grigorov
DLOG
1997
14 years 26 days ago
Classifying Description Logics
We describe a method for characterizing the expressive power of description logics. The method is essentially model-theoretic in nature, and it is applied to obtain expressiveness...
Natasha Kurtonina, Maarten de Rijke
DLOG
1998
14 years 26 days ago
Expressiveness Revisited
We consider two recently proposed definitions of the expressive power of description logics, one due to Baader, the other due to Kurtonina and de Rijke. The proposals are non-equi...
Carlos Areces, Maarten de Rijke
AAAI
2000
14 years 26 days ago
Describing Rigid Body Motions in a Qualitative Theory of Spatial Regions
We explore the expressive power of a recently developed qualitative region-based geometry and apply it to the problem of representing and reasoning about the motion of rigid bodie...
Brandon Bennett, Anthony G. Cohn, Paolo Torrini, S...