Question Answering Using Question Classification and Document Tagging.
Yllias ChaliPublished in: Appl. Artif. Intell. (2009)
Keyphrases
- question classification
- question answering
- passage retrieval
- information retrieval
- question answering systems
- feature weighting
- information extraction
- natural language processing
- text summarization
- cross language
- natural language
- document collections
- relevant documents
- named entities
- text documents
- document retrieval
- document classification
- vector space model
- retrieval systems
- machine learning approaches
- metadata
- relation extraction
- semantic information
- information retrieval systems
- keywords
- tf idf
- user queries