Unsupervised Named Entity Recognition Using Syntatic and Semantic Contextual Evidence.
Alessandro CucchiarelliPaola VelardiPublished in: Comput. Linguistics (2001)
Keyphrases
- named entities
- unsupervised learning
- weakly supervised
- named entity recognition
- information extraction
- natural language processing
- named entity extraction
- co occurrence
- relation extraction
- contextual features
- text mining
- question answering
- linguistic features
- natural language
- contextual information
- annotated corpus
- semantic web
- semantic similarity
- supervised learning
- maximum entropy model
- real world
- semantic information
- semi supervised
- machine learning
- proper names
- noun phrases
- domain specific
- pattern recognition
- semantic features
- semantic annotation
- computer vision