Enhancing Document-Based Question Answering via Interaction Between Question Words and POS Tags.
Zhipeng XiePublished in: NLPCC (2017)
Keyphrases
- question answering
- part of speech
- syntactic information
- text documents
- answer extraction
- candidate answers
- question classification
- noun phrases
- training corpus
- n gram
- natural language processing
- passage retrieval
- qa systems
- question answering systems
- semantic information
- keywords
- qa clef
- information extraction
- natural language questions
- named entities
- word sense disambiguation
- information retrieval
- tf idf
- answer validation
- answering questions
- open domain question answering
- text mining
- document classification
- text classification
- document representation
- text summarization
- document clustering
- semantic roles
- linguistic features
- question answer pairs
- natural language
- wordnet
- news articles
- language model
- semantic role labeling
- web documents
- topic models
- cross language
- vector space model
- sentence retrieval
- search engine
- document collections
- parse tree
- relation extraction
- text categorization
- machine learning
- co occurrence
- information retrieval systems
- named entity recognition
- relevant documents
- retrieval systems
- document retrieval