ACL RD-TEC 1.0 Summarization of W06-0505
Paper Title:
EFFICIENT HIERARCHICAL ENTITY CLASSIFIER USING CONDITIONAL RANDOM FIELDS
EFFICIENT HIERARCHICAL ENTITY CLASSIFIER USING CONDITIONAL RANDOM FIELDS
Authors: Koen Deschacht and Marie-Francine Moens
Primarily assigned technology terms:
- algorithm
- beam-search
- chunker
- classification
- classifier
- clustering
- computational linguistics
- conditional random field
- conditional random fields
- constrained optimization
- crfs
- database
- databases
- disambiguation
- document classification
- entity recognition
- feature selection
- forward-backward algorithm
- hardware
- hidden markov
- hidden markov model
- information extraction
- information extraction tasks
- java
- language processing
- learning
- markov model
- maximum entropy
- maximum likelihood
- named entity recognition
- natural language processing
- numerical optimization
- ontology learning
- optimization
- parameter estimation
- parsing
- part-of-speech tagging
- preprocessing
- processing
- recognition
- search
- searching
- sense disambiguation
- sentence parsing
- statistical method
- statistical natural language processing
- tagging
- verb phrases
- viterbi
- viterbi algorithm
- word sense disambiguation
Other assigned terms:
- alphabet
- annotated training set
- annotation
- approach
- association for computational linguistics
- brown corpus
- chunks
- computational complexity
- concept
- conditional distribution
- conditional probability
- conditional probability distribution
- crf model
- distribution
- document
- entropy
- entropy markov model
- error rate
- estimation
- extraction patterns
- fact
- feature
- framenet
- generative models
- graphical representation
- hierarchical model
- hypernym
- hyponym
- hyponyms
- implementation
- joint distribution
- knowledge
- labeling
- large training
- lexical database
- lexical memory
- likelihood
- linguistics
- markov chain
- maximum entropy principle
- meaning
- method
- named entity
- natural language
- noun phrase
- noun phrases
- nouns
- ontology
- optimization problem
- part-of-speech
- part-of-speech tagging task
- phrase
- probability
- probability distribution
- procedure
- relation
- search space
- semantic
- semcor
- semcor corpus
- sentence
- sentences
- statistical natural language
- statistics
- subtree
- synset
- synsets
- tagging task
- tags
- text
- theories
- thoughttreasure
- training
- training data
- training examples
- training instance
- training set
- transition probability
- tree
- trees
- undirected graph
- verb
- word
- word sense
- wordnet
- wordnet database
- wordnet hierarchy
- wordnet sense
- wordnet synset
- wordnet synsets
- words
