30 search results - page 1 / 6 » Improved Inference for Unlexicalized Parsing |
NAACL
2007
13 years 5 months ago
2007
We present several improvements to unlexicalized parsing with hierarchically state-split PCFGs. First, we present a novel coarse-to-fine method in which a grammar’s own hierarc...
ACL
2006
13 years 5 months ago
2006
This paper describes a parser which generates parse trees with empty elements in which traces and fillers are co-indexed. The parser is an unlexicalized PCFG parser which is guara...
COLING
2010
12 years 11 months ago
2010
As unlexicalized parsing lacks word token information, it is important to investigate novel parsing features to improve the accuracy. This paper studies a set of tree topological ...
ACL
2003
13 years 5 months ago
2003
We demonstrate that an unlexicalized PCFG can parse much more accurately than previously shown, by making use of simple, linguistically motivated state splits, which break down fa...
EMNLP
2007
13 years 5 months ago
2007
We describe our submission to the domain adaptation track of the CoNLL07 shared task in the open class for systems using external resources. Our main finding was that it was very...