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DLOG
2006
13 years 6 months ago
Data Complexity of Answering Unions of Conjunctive Queries in SHIQ
The novel context of accessing and querying large data repositories through ontologies that are formalized in terms of expressive DLs requires on the one hand to consider query an...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
ANLP
2000
91views more  ANLP 2000»
13 years 6 months ago
Finite-State Reduplication in One-Level Prosodic Morphology
Reduplication, a central instance of prosodic morphology, is particularly challenging for state-ofthe-art computational morphology, since it involves copying of some part of a pho...
Markus Walther
FUIN
2008
71views more  FUIN 2008»
13 years 5 months ago
Nonterminal Complexity of Some Operations on Context-Free Languages
: We investigate context-free languages with respect to the measure Var of descriptional complexity, which gives the minimal number of nonterminals which is necessary to generate t...
Jürgen Dassow, Ralf Stiebe
ICFP
1999
ACM
13 years 9 months ago
Relating Typability and Expressiveness in Finite-Rank Intersection Type Systems (Extended Abstract)
d Abstract) Assaf J. Kfoury∗ Boston University http://www.cs.bu.edu/˜kfoury Harry G. Mairson† Brandeis University http://www.cs.brandeis.edu/˜mairson Franklyn A. Turbak‡ We...
Assaf J. Kfoury, Harry G. Mairson, Franklyn A. Tur...
WIA
1999
Springer
13 years 9 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