10 search results - page 2 / 2 » Statistical Properties of Probabilistic Context-Free Grammar... |
ACL
2011
12 years 9 months ago
2011
Community-based knowledge forums, such as Wikipedia, are susceptible to vandalism, i.e., ill-intentioned contributions that are detrimental to the quality of collective intelligen...
ICML
2005
IEEE
14 years 6 months ago
2005
IEEE
We present a directed Markov random field (MRF) model that combines n-gram models, probabilistic context free grammars (PCFGs) and probabilistic latent semantic analysis (PLSA) fo...
KDD
1999
ACM
13 years 9 months ago
1999
ACM
Abstract. We propose a data mining model that captures the user navigation behaviour patterns. The user navigation sessions are modelled as a hypertext probabilistic grammar whose ...
CLIN
2003
13 years 6 months ago
2003
A statistical estimator attempts to guess an unknown probability distribution by analyzing a sample from this distribution. One desirable property of an estimator is that its gues...
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...