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NAACL
2003
13 years 10 months ago
Supervised and unsupervised PCFG adaptation to novel domains
This paper investigates adapting a lexicalized probabilistic context-free grammar (PCFG) to a novel domain, using maximum a posteriori (MAP) estimation. The MAP framework is gener...
Brian Roark, Michiel Bacchiani
AAAI
2008
13 years 11 months ago
An Effective and Robust Method for Short Text Classification
Classification of texts potentially containing a complex and specific terminology requires the use of learning methods that do not rely on extensive feature engineering. In this w...
Victoria Bobicev, Marina Sokolova
BMCBI
2006
128views more  BMCBI 2006»
13 years 9 months ago
Lexical adaptation of link grammar to the biomedical sublanguage: a comparative evaluation of three approaches
Background: We study the adaptation of Link Grammar Parser to the biomedical sublanguage with a focus on domain terms not found in a general parser lexicon. Using two biomedical c...
Sampo Pyysalo, Tapio Salakoski, Sophie Aubin, Adel...
ICSM
2003
IEEE
14 years 2 months ago
Deriving tolerant grammars from a base-line grammar
A grammar-based approach to tool development in re- and reverse engineering promises precise structure awareness, but it is problematic in two respects. Firstly, it is a considera...
Steven Klusener, Ralf Lämmel
ACL
2008
13 years 10 months ago
Enhancing Performance of Lexicalised Grammars
This paper describes how external resources can be used to improve parser performance for heavily lexicalised grammars, looking at both robustness and efficiency. In terms of robu...
Rebecca Dridan, Valia Kordoni, Jeremy Nicholson