Fine-grained named entity recognition and relation extraction for question answering.
Changki LeeYi-Gyu HwangMyung-Gil JangPublished in: SIGIR (2007)
Keyphrases
- relation extraction
- question answering
- named entity recognition
- named entities
- information extraction
- natural language processing
- text summarization
- semantic role labeling
- information retrieval
- natural language
- linguistic features
- tree kernels
- machine learning
- wordnet
- text mining
- noun phrases
- knowledge representation
- semantic relations
- semi supervised
- databases