Contextual Language Models for Ranking Answers to Natural Language Definition Questions.
Alejandro FigueroaJohn AtkinsonPublished in: Comput. Intell. (2012)
Keyphrases
- language model
- candidate answers
- question answering systems
- natural language
- question answering
- document retrieval
- natural language questions
- natural language queries
- passage retrieval
- document ranking
- context sensitive
- definitional question answering
- language modeling
- information retrieval
- answer questions
- ad hoc information retrieval
- ranking functions
- smoothing methods
- term dependencies
- probabilistic model
- test collection
- relevance model
- context dependent
- n gram
- document length
- retrieval model
- speech recognition
- query expansion
- natural language processing
- answer extraction
- correct answers
- qa systems
- query specific
- language modelling
- information extraction
- pseudo relevance feedback
- translation model
- retrieved documents
- vector space model
- inter document similarities
- statistical language models
- pseudo feedback
- relevant documents
- expert finding
- bayesian networks
- query terms
- ranking algorithm
- text retrieval
- ranked list
- language models for information retrieval
- retrieval effectiveness
- community question answering
- structured queries
- expert search
- search engine