Identifying new business areas using patent information: A DEA and text mining approach.
Hyeonju SeolSungjoo LeeChulhyun KimPublished in: Expert Syst. Appl. (2011)
Keyphrases
- text mining
- patent information
- data mining
- natural language processing
- data envelopment analysis
- information systems
- information extraction
- information retrieval
- intellectual property
- text classification
- text documents
- patent documents
- decision making
- topic models
- web mining
- machine learning
- digital libraries
- databases