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» GAC on Conjunctions of Constraints
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JAPLL
2010
179views more  JAPLL 2010»
14 years 8 months ago
Tractable query answering and rewriting under description logic constraints
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
Héctor Pérez-Urbina, Boris Motik, Ia...
SIGPRO
2010
58views more  SIGPRO 2010»
14 years 7 months ago
Signal-dependent constraints for perceptually motivated suppression of late reverberation
—The suppression of late reverberation by spectral subtraction tends to degrade disproportionally low-level signal regions and signal transients. This work proposes two novel rel...
Alexandros Tsilfidis, John Mourjopoulos
CP
2009
Springer
15 years 10 months ago
Restricted Global Grammar Constraints
We investigate the global GRAMMAR constraint over restricted classes of context free grammars like deterministic and unambiguous context-free grammars. We show that detecting disen...
George Katsirelos, Sebastian Maneth, Nina Narodyts...
COLING
1992
14 years 10 months ago
Towards Robust PATR
We report on the initial stages of development of a robust parsing system, to be used as part of The Editor's Assistant, a program that detects and corrects textual errors an...
Shona Douglas, Robert Dale
ICDT
2009
ACM
119views Database» more  ICDT 2009»
15 years 10 months ago
Querying data sources that export infinite sets of views
We study the problem of querying data sources that accept only a limited set of queries, such as sources accessible by Web services which can implement very large (potentially inf...
Bogdan Cautis, Alin Deutsch, Nicola Onose