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» Regularity and Context-Freeness over Word Rewriting Systems
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FMCAD
2008
Springer
13 years 7 months ago
Augmenting a Regular Expression-Based Temporal Logic with Local Variables
The semantics of temporal logic is usually defined with respect to a word representing a computation path over a set of atomic propositions. A temporal logic formula does not contr...
Cindy Eisner, Dana Fisman
FOSSACS
2007
Springer
13 years 11 months ago
Symbolic Backwards-Reachability Analysis for Higher-Order Pushdown Systems
Higher-order pushdown systems (PDSs) generalise pushdown systems through the use of higher-order stacks, that is, a nested “stack of stacks” structure. These systems may be us...
Matthew Hague, C.-H. Luke Ong
DLT
2007
13 years 7 months ago
Duplication Roots
Recently the duplication closure of words and languages has received much interest. We investigate a reversal of it: the duplication root reduces a word to a square-free one. After...
Peter Leupold
LREC
2008
121views Education» more  LREC 2008»
13 years 7 months ago
Evaluating a German Sketch Grammar: A Case Study on Noun Phrase Case
Word sketches are part of the Sketch Engine corpus query system. They represent automatic, corpus-derived summaries of the words' grammatical and collocational behaviour. Bes...
Kremena Ivanova, Ulrich Heid, Sabine Schulte im Wa...
IANDC
2007
151views more  IANDC 2007»
13 years 5 months ago
Transducer-based analysis of cryptographic protocols
Cryptographic protocols can be divided into (1) protocols where the protocol steps are simple from a computational point of view and can thus be modeled by simple means, for insta...
Ralf Küsters, Thomas Wilke