Query Classification by Using Named Entity Recognition Systems and Clue Keywords.
Masaharu YoshiokaPublished in: NTCIR (2013)
Keyphrases
- named entity recognition
- keywords
- information extraction
- natural language processing
- named entities
- classifier ensemble
- retrieval systems
- image classification
- user queries
- maximum entropy
- text summarization
- feature extraction
- machine learning
- sequence labeling
- expert systems
- search engine
- information retrieval
- text classification
- classification algorithm
- conditional random fields
- higher order
- decision trees
- web pages
- data mining
- maximum entropy classifier