Detecting Semantic Relations between Named Entities in Text Using Contextual Features.
Toru HiranoYoshihiro MatsuoGen-ichiro KikuiPublished in: ACL (2007)
Keyphrases
- contextual features
- semantic relations
- named entities
- co occurrence
- natural language processing
- relation extraction
- wordnet
- named entity recognition
- text documents
- noun phrases
- text mining
- information extraction
- word pairs
- text corpus
- named entity disambiguation
- contextual information
- question answering
- computational linguistics
- conditional random fields
- lexical chains
- semantic similarity
- text summarization
- knowledge sources
- unsupervised learning
- natural language
- artificial intelligence
- semantic information
- graphical models
- prior knowledge
- databases