Difficulty Indices for the Named Entity Task in Japanese.
Chikashi NobataSatoshi SekineJun'ichi TsujiiPublished in: ACL (2000)
Keyphrases
- named entities
- named entity recognition
- information extraction
- co occurrence
- named entity extraction
- question answering
- natural language processing
- text mining
- relation extraction
- linguistic features
- unsupervised learning
- global context
- annotated corpus
- person names
- proper names
- noun phrases
- high dimensional
- reinforcement learning
- artificial intelligence
- contextual features
- web news
- learning algorithm