ACL RD-TEC 1.0 Summarization of P06-1136
Paper Title:
RERANKING ANSWERS FOR DEFINITIONAL QA USING LANGUAGE MODELING
RERANKING ANSWERS FOR DEFINITIONAL QA USING LANGUAGE MODELING
Authors: Yi Chen and Ming Zhou and Shilong Wang
Primarily assigned technology terms:
- algorithm
- answer extraction
- answer reranking
- answer reranking and validation
- approximation
- bag-ofwords model
- classification
- computational linguistics
- coreference resolution
- expectation maximization
- information retrieval
- internet
- iterative procedure
- language modeling
- learning
- likelihood estimation
- linear interpolation
- machine translation
- machine translation evaluation
- maximum likelihood
- maximum likelihood estimation
- modeling
- normalization
- parameter estimation
- passage retrieval
- query expansion
- querying
- ranking
- ranking method
- reranking
- scoring
- scoring function
- search
- search engine
- search engines
- smoothing
- splitting
- statistical ranking
- text retrieval
- translation evaluation
- validation
- vector space model
- web search
- web search engine
Other assigned terms:
- approach
- association for computational linguistics
- bag of words
- bigram
- bigram model
- biterm model
- brevity penalty
- candidate answer
- co-occurrence
- conditional probability
- cosine similarity
- definitional question
- distribution
- document
- document frequency
- encyclopedia
- estimation
- experimental results
- external knowledge
- f-measure
- generation
- heuristics
- independence assumption
- intention
- interpolation
- inverse document frequency
- knowledge
- language model
- language models
- language use
- large corpus
- likelihood
- linguistics
- local context
- method
- n-gram
- n-gram models
- natural language
- normalization factor
- passage
- probabilities
- probability
- probability distribution
- procedure
- query
- question types
- reference answer
- search results
- sentence
- sentences
- statistics
- term
- terms
- test set
- text
- time complexity
- tokens
- training
- training corpus
- training data
- unigram
- unigram language model
- unigram model
- vector space
- web information
- web-based answer
- word
- word order
- word sequences
- wordnet
- words
