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FOSSACS
2007
Springer
14 years 1 months ago
Complexity Results on Balanced Context-Free Languages
Abstract. Some decision problems related to balanced context-free languages are important for their application to the static analysis of programs generating XML strings. One such ...
Akihiko Tozawa, Yasuhiko Minamide
CONCUR
2007
Springer
13 years 11 months ago
Decidability Results for Well-Structured Transition Systems with Auxiliary Storage
Abstract. We consider the problem of verifying the safety of wellstructured transition systems (WSTS) with auxiliary storage. WSTSs with storage are automata that have (possibly) i...
Rohit Chadha, Mahesh Viswanathan
IPL
2006
97views more  IPL 2006»
13 years 7 months ago
A fixed-parameter tractability result for multicommodity demand flow in trees
We study an NP-hard (and MaxSNP-hard) problem in trees--Multicommodity Demand Flow--dealing with demand flows between pairs of nodes and trying to maximize the value of the routed...
Jiong Guo, Rolf Niedermeier
NMR
2004
Springer
14 years 21 days ago
Generalizing the AGM postulates: preliminary results and applications
One of the crucial actions any reasoning system must undertake is the updating of its Knowledge Base (KB). This problem is usually referred to as the problem of belief change. The...
Giorgos Flouris, Dimitris Plexousakis, Grigoris An...
ICDCS
1998
IEEE
13 years 11 months ago
Some Economics of Market-Based Distributed Scheduling
Market mechanisms solve distributed scheduling problems by allocating the scheduled resources according to market prices. We model distributed scheduling as a discrete resource al...
William E. Walsh, Michael P. Wellman, Peter R. Wur...