Recognizing and Encoding Discorder Concepts in Clinical Text using Machine Learning and Vector Space Model.
Buzhou TangYonghui WuMin JiangJoshua C. DennyHua XuPublished in: CLEF (Working Notes) (2013)
Keyphrases
- vector space model
- machine learning
- information retrieval
- text representation
- web documents
- document categorization
- semantic information
- text mining
- document clustering
- retrieval model
- language model
- vector space
- document representation
- semantic similarity
- tf idf
- index terms
- information extraction
- latent semantic indexing
- text retrieval
- text documents
- text classification
- feature selection
- document space
- pattern recognition
- data mining
- databases
- decision trees
- artificial intelligence
- database
- background knowledge
- web search engines
- high dimensional data
- semi supervised learning
- query expansion
- natural language processing
- knowledge discovery
- domain knowledge
- high dimensional
- search engine