ACL RD-TEC 1.0 Summarization of N06-1043
Paper Title:
CROSS-ENTROPY AND ESTIMATION OF PROBABILISTIC CONTEXT-FREE GRAMMARS
CROSS-ENTROPY AND ESTIMATION OF PROBABILISTIC CONTEXT-FREE GRAMMARS
Authors: Anna Corazza and Giorgio Satta
Primarily assigned technology terms:
- algorithm
- approximation
- computing
- estimation method
- estimator
- frequency estimator
- language parsing
- language processing
- likelihood estimation
- likelihood estimator
- maximum likelihood
- maximum likelihood estimation
- maximum likelihood estimator
- natural language parsing
- natural language processing
- parsing
- processing
- statistical parsing
- unsupervised estimation
Other assigned terms:
- case
- context-free grammar
- context-free grammars
- corpora
- cubic time
- data set
- derivation
- derivation tree
- derivations
- distribution
- entropy
- estimation
- events
- fact
- finite set
- grammar
- grammars
- kullback-leibler distance
- language processing applications
- leaf
- likelihood
- measure
- method
- natural language
- natural language processing applications
- nonterminal
- nonterminals
- parse
- pcfg
- probabilistic context-free grammars
- probabilities
- probability
- probability distribution
- relation
- right-hand side
- sentences
- statistical natural language
- symbol
- symbols
- technique
- training
- tree
- tree bank
- trees
