Pseudo Relevance Feedback Using Named Entities for Question Answering.
Luiz Augusto Sangoi PizzatoDiego Mollá AliodCécile ParisPublished in: ALTA (2006)
Keyphrases
- named entities
- question answering
- pseudo relevance feedback
- query expansion
- retrieval effectiveness
- document retrieval
- language model
- information retrieval
- named entity recognition
- natural language processing
- information extraction
- relation extraction
- passage retrieval
- relevant documents
- relevance feedback
- retrieved documents
- cross language
- average precision
- text documents
- noun phrases
- natural language
- relevance model
- query terms
- language modeling
- information retrieval systems
- n gram
- test collection
- query translation
- training data
- data analysis
- retrieval model
- artificial intelligence
- data mining