Information Extraction for Question Answering: Improving Recall Through Syntactic Patterns.
Valentin JijkounJori MurMaarten de RijkePublished in: COLING (2004)
Keyphrases
- question answering
- information extraction
- syntactic information
- natural language
- precision and recall
- natural language processing
- semantic roles
- named entities
- information retrieval
- semantic parsing
- cross language
- natural language text
- relation extraction
- question classification
- free text
- text mining
- natural language questions
- text summarization
- structured data
- semi structured
- open domain question answering
- qa clef
- qa systems
- machine translation
- passage retrieval
- named entity recognition
- question answering systems
- semantic information
- semantic role labeling
- text documents
- sentence retrieval
- machine learning