Unsupervised Feature Selection for Relation Extraction.
Jinxiu ChenDonghong JiChew Lim TanZheng-Yu NiuPublished in: IJCNLP (companion) (2005)
Keyphrases
- relation extraction
- unsupervised feature selection
- automatic extraction
- information extraction
- feature selection
- domain specific
- semantic relations
- data clustering
- named entities
- question answering
- semantic features
- named entity recognition
- dimensionality reduction
- machine learning
- co occurrence
- data mining applications
- object recognition
- negative matrix factorization
- knowledge base