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CORR
2010
Springer
156views Education» more  CORR 2010»
13 years 8 months ago
Topological analysis of the power grid and mitigation strategies against cascading failures
This paper presents a complex systems overview of a power grid network under cascading conditions. The cascading effect has been simulated on three different networks, the IEEE 300...
Sakshi Pahwa, Amelia Hodges, Caterina M. Scoglio, ...
LPNMR
1993
Springer
14 years 1 days ago
Negation as Partial Failure
We present a logic programming language which uses a four-valued bilattice as the underlying framework for semantics of programs. The two orderings of the bilattice reflect the c...
Bamshad Mobasher, Jacek Leszczylowski, Don Pigozzi
ERCIMDL
2005
Springer
139views Education» more  ERCIMDL 2005»
14 years 1 months ago
Finding Appropriate Learning Objects: An Empirical Evaluation
: The challenge of finding appropriate learning objects is one of the bottlenecks for end users in Learning Object Repositories (LORs). This paper investigates usability problems o...
Jehad Najjar, Joris Klerkx, Riina Vuorikari, Erik ...
COMPGEOM
2003
ACM
14 years 1 months ago
Finding a curve in a map
Given a polygonal curve and a geometric graph, we describe an efficient algorithm to find a path in the graph which is most similar to the curve, using the well-known Fr´echet d...
Carola Wenk, Helmut Alt, Alon Efrat, Lingeshwaran ...
ACL
2007
13 years 9 months ago
Finding document topics for improving topic segmentation
Topic segmentation and identification are often tackled as separate problems whereas they are both part of topic analysis. In this article, we study how topic identification can...
Olivier Ferret