Improving chemical disease relation extraction with rich features and weakly labeled data.
Yifan PengChih-Hsuan WeiZhiyong LuPublished in: J. Cheminformatics (2016)
Keyphrases
- relation extraction
- automatic extraction
- tree kernels
- information extraction
- low level
- semantic features
- image features
- feature extraction
- feature space
- knn
- data sets
- feature set
- semantic relations
- named entities
- search engine
- natural language
- high level
- question answering
- text mining
- knowledge discovery
- classification accuracy
- feature vectors