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» Complexity of regular abstractions of one-counter languages
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WIA
1999
Springer
13 years 10 months ago
An Extendible Regular Expression Compiler for Finite-State Approaches in Natural Language Processing
Finite-state techniques are widely used in various areas of Natural Language Processing (NLP). As Kaplan and Kay [12] have argular expressions are the appropriate level of abstract...
Gertjan van Noord, Dale Gerdemann
PODS
2010
ACM
170views Database» more  PODS 2010»
13 years 11 months ago
Simplifying XML schema: single-type approximations of regular tree languages
XML Schema Definitions (XSDs) can be adequately abstracted by the single-type regular tree languages. It is wellknown, that these form a strict subclass of the robust class of re...
Wouter Gelade, Tomasz Idziaszek, Wim Martens, Fran...
APPROX
2006
Springer
105views Algorithms» more  APPROX 2006»
13 years 10 months ago
Space Complexity vs. Query Complexity
Abstract. Combinatorial property testing deals with the following relaxation of decision problems: Given a fixed property and an input x, one wants to decide whether x satisfies th...
Oded Lachish, Ilan Newman, Asaf Shapira
PAAMS
2010
Springer
13 years 4 months ago
A Case Study on Grammatical-Based Representation for Regular Expression Evolution
Abstract. Regular expressions, or simply regex, have been widely used as a powerful pattern matching and text extractor tool through decades. Although they provide a powerful and f...
Antonio González-Pardo, David F. Barrero, D...
ICALP
2010
Springer
13 years 11 months ago
Pumping and Counting on the Regular Post Embedding Problem
Abstract. The Regular Post Embedding Problem is a variant of Post’s Correspondence Problem where one compares strings with the subword relation and imposes additional regular con...
Pierre Chambart, Philippe Schnoebelen