Effective Selectional Restrictions for Unsupervised Relation Extraction.
Alan AkbikLarysa VisengeriyevaJohannes KirschnickAlexander LöserPublished in: IJCNLP (2013)
Keyphrases
- relation extraction
- information extraction
- automatic extraction
- weakly supervised
- named entities
- natural language processing
- co occurrence
- domain specific
- semantic relations
- dependency trees
- question answering
- supervised learning
- reference resolution
- semi supervised
- broad coverage
- dependency tree
- conditional random fields
- named entity recognition
- artificial intelligence
- clustering method
- unsupervised learning
- expert systems