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SIAMCOMP
2008
100views more  SIAMCOMP 2008»
13 years 7 months ago
On the Complexity of Verifying Consistency of XML Specifications
XML specifications often consist of a type definition (typically, a DTD) and a set of integrity constraints. It has been shown previously that such specifications can be inconsiste...
Marcelo Arenas, Wenfei Fan, Leonid Libkin
PODS
2007
ACM
171views Database» more  PODS 2007»
14 years 7 months ago
The complexity of reasoning about pattern-based XML schemas
In a recent paper, Martens et al. introduced a specification mechanism for XML tree languages, based on rules of the form r s, where r, s are regular expressions. Sets of such ru...
Gjergji Kasneci, Thomas Schwentick
STOC
2005
ACM
96views Algorithms» more  STOC 2005»
14 years 7 months ago
Every monotone graph property is testable
A graph property is called monotone if it is closed under taking (not necessarily induced) subgraphs (or, equivalently, if it is closed under removal of edges and vertices). Many ...
Noga Alon, Asaf Shapira
CORR
2008
Springer
114views Education» more  CORR 2008»
13 years 7 months ago
Temporal Support of Regular Expressions in Sequential Pattern Mining
Classic algorithms for sequential pattern discovery, return all frequent sequences present in a database. Since, in general, only a few ones are interesting from a user's poin...
Leticia I. Gómez, Bart Kuijpers, Alejandro ...
ISB
2002
140views more  ISB 2002»
13 years 7 months ago
Computer system "Gene Discovery" for promoter structure analysis
Data Mining and Knowledge Discovery techniques proved to be efficient tools for variety of complex tasks in biology including DNA research. This paper presents implementation of th...
Eugenii E. Vityaev, Yuri L. Orlov, Oleg V. Vishnev...