5 search results - page 1 / 1 » Tree Topological Features for Unlexicalized Parsing |
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
2006
13 years 6 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...
ACL
2009
13 years 2 months ago
2009
Freer-word-order languages such as German exhibit linguistic phenomena that present unique challenges to traditional CFG parsing. Such phenomena produce discontinuous constituents...
TSD
2007
Springer
13 years 11 months ago
2007
Springer
Many state-of-the-art statistical parsers for English can be viewed as Probabilistic Context-Free Grammars (PCFGs) acquired from treebanks consisting of phrase-structure trees enri...
EMNLP
2009
13 years 2 months ago
2009
In this paper, we propose a linear model-based general framework to combine k-best parse outputs from multiple parsers. The proposed framework leverages on the strengths of previo...