ACL RD-TEC 1.0 Summarization of P98-1091
Paper Title:
AN EMPIRICAL EVALUATION OF PROBABILISTIC LEXICALIZED TREE INSERTION GRAMMARS
AN EMPIRICAL EVALUATION OF PROBABILISTIC LEXICALIZED TREE INSERTION GRAMMARS
Primarily assigned technology terms:
- algorithm
- approximation
- atis
- bracketing
- grammar induction
- induction
- induction process
- information system
- inside-outside re-estimation
- language modeling
- machine translation
- measuring
- message understanding
- modeling
- naturallanguage processing
- parsing
- processing
- re-estimation
- re-estimation algorithm
- recognition
- sampling
- smoothing
- smoothing technique
- speech recognition
- topic spotting
- training process
- tree insertion
Other assigned terms:
- adjunction
- alphabet
- anchors
- approach
- auxiliary tree
- bigram
- bigram model
- case
- chomsky normal form
- concepts
- context-free formalism
- context-free grammar
- context-free grammars
- context-free languages
- convergence
- corpora
- correlations
- data sparsity
- derivation
- derivation tree
- distribution
- elementary tree
- empirical evaluation
- entropy
- formalism
- formalisms
- grammar
- grammars
- heuristic
- heuristics
- hierarchical structure
- insertion grammars
- keyword
- language model
- language models
- large training
- leaf
- lexical features
- lexical information
- lexical item
- lexical items
- lexical word
- lexicalized tree
- lexicalized tree-adjoining grammar
- likelihood
- linguistic
- linguistic information
- linguistic structure
- long distance dependencies
- ltags
- measure
- message
- method
- modifier
- n-gram
- n-gram model
- n-gram models
- n-grams
- natural language
- nonterminal
- nonterminals
- normal form
- noun phrase
- parse
- parsing accuracy
- part of speech
- part of speech tags
- part-of-speech
- part-of-speech tags
- pcfg
- pcfgs
- phrase
- probabilistic context-free grammars
- probabilistic models
- probabilities
- probability
- process
- production rule
- production rules
- root node
- rule set
- sentence
- sentences
- statistical significance
- stems
- symbol
- symbols
- tags
- target language
- technique
- technologies
- term
- test data
- topology
- training
- training corpus
- training data
- transitive verb
- tree
- tree representation
- tree structures
- tree-adjoining grammar
- tree-adjoining grammars
- treebank
- treebank corpus
- trees
- trigram
- trigram model
- understanding
- universal grammar
- verb
- vocabulary
- word
- words
- wsj corpus
