Named entity recognition using conditional random fields with non-local relational constraints.
Flavio Massimiliano CecchiniElisabetta FersiniPublished in: CoRR (2013)
Keyphrases
- named entity recognition
- information extraction
- named entities
- natural language processing
- maximum entropy
- semi supervised
- sequence labeling
- conditional random fields
- text summarization
- relation extraction
- classifier ensemble
- hand coded
- annotated corpus
- text mining
- co occurrence
- image processing
- data sets
- proper names
- chinese named entity recognition
- automatic extraction
- knowledge base