Relation detection between named entities: report of a shared task.
Cláudia FreitasDiana SantosCristina MotaHugo Gonçalo OliveiraPaula CarvalhoPublished in: SEW@NAACL-HLT (2009)
Keyphrases
- named entities
- named entity recognition
- relation extraction
- co occurrence
- information extraction
- text mining
- named entity extraction
- linguistic features
- natural language processing
- text documents
- question answering
- annotated corpus
- unsupervised learning
- noun phrases
- person names
- semantic role labeling
- coreference resolution
- artificial intelligence
- news corpus
- data sets
- global context
- chinese named entity recognition
- expectation maximization
- information retrieval
- machine learning
- data mining