Conditional Entropy Based Retrieval Model in Patient-Carer Conversational Cases.
Meropi PavlidouAntonis S. BillisNicolas D. HasanagasCharalambos BratsasIoannis AntoniouPanagiotis D. BamidisPublished in: CBMS (2017)
Keyphrases
- retrieval model
- information retrieval systems
- document retrieval
- language modeling
- information retrieval
- retrieval effectiveness
- test collection
- language model
- vector space
- query expansion
- vector space model
- relevance feedback
- text retrieval
- retrieval systems
- tf idf
- retrieval framework
- query terms
- user queries
- sentence retrieval
- improvements in retrieval effectiveness
- multi modal
- distance measure
- natural language
- web search engines
- input data
- feature vectors
- retrieval process
- database systems
- search engine
- retrieval functions
- statistical language models
- learning algorithm