Biomedical Named Entity Recognition Based on Feature Selection and Word Representations.
Dingxin SongDegen HuangLishuang LiHong-Lei HePublished in: J. Inf. Hiding Multim. Signal Process. (2016)
Keyphrases
- named entity recognition
- information extraction
- feature selection
- named entities
- natural language processing
- named entity recognizer
- word sense disambiguation
- maximum entropy classifier
- genia corpus
- machine learning
- co occurrence
- text summarization
- maximum entropy
- text mining
- conditional random fields
- noun phrases
- semi supervised
- relation extraction
- annotated corpus
- text categorization
- text classification
- classifier ensemble
- n gram
- information retrieval
- feature space
- feature extraction
- graphical models
- classification accuracy
- pos taggers
- feature subset
- unsupervised learning
- dimensionality reduction
- knowledge representation
- data analysis
- training data