ACL RD-TEC 1.0 Summarization of N03-1028
Paper Title:
SHALLOW PARSING WITH CONDITIONAL RANDOM FIELDS
SHALLOW PARSING WITH CONDITIONAL RANDOM FIELDS
Authors: Fei Sha and Fernando Pereira
Primarily assigned technology terms:
- adaboost
- algorithm
- approximation
- bootstrap
- capitalization
- chunker
- chunking
- classi cation
- classi er
- classication
- computing
- conditional random fields
- convex optimization
- crf training
- crfs
- data preparation
- decoding
- encoding
- factoring
- feature encoding
- feature selection
- forward pass
- forward-backward algorithm
- full parsing
- generalized iterative scaling
- graphical model
- hidden markov
- hidden markov models
- hmms
- information extraction
- iterative scaling
- java
- language processing
- learning
- linear parsing
- machine-learning
- maximum-entropy
- named-entity recognition
- non-linear optimization
- nonlinear optimization
- noun-phrase chunking
- np chunker
- np chunking
- optimization
- parameter tuning
- parse reranking
- parser
- parsers
- parsing
- part-of-speech tagging
- perceptron
- perceptron algorithm
- perceptron training
- pos tagger
- pos tagging
- processing
- recognition
- reranking
- search
- searching
- sequence analysis
- sequence labeling
- sequential classi cation
- shallow parsing
- smoothing
- tagger
- tagging
- training algorithm
- training method
- transformation-based learning
- tuning
- viterbi
- viterbi algorithm
- voted perceptron
- voted perceptron algorithm
- voting
Other assigned terms:
- approach
- backoff
- bias
- biology
- case
- chunk
- chunk tag
- chunks
- conditional distribution
- conditional independence
- conditional probability
- conditional probability distribution
- convergence
- data set
- data sets
- distribution
- evaluation metric
- evaluation metrics
- evaluation task
- evaluations
- f score
- f-score
- feature
- feature set
- feature sets
- feature vector
- gaussian prior
- generative models
- heuristic
- hypothesis
- implementation
- joint probability
- labeling
- large training
- likelihood
- linear combination
- linguistic
- linguistic features
- log-likelihood
- mappings
- markov models
- measure
- method
- named-entity
- natural language
- noun phrases
- null hypothesis
- numerical accuracy
- parse
- parsing models
- parsing problem
- part-of-speech
- part-of-speech tagging task
- pcfg
- phrase
- pos tag
- precision
- preconditioned conjugate
- predicates
- probabilistic models
- probability
- probability distribution
- probability distributions
- sentence
- state feature
- tagging task
- tags
- term
- terms
- test set
- text
- theory
- tokens
- topology
- training
- training data
- training instance
- training set
- viterbi path
- weight vector
- word
- words
