Temporal Query Expansion Using a Continuous Hidden Markov Model.
Jinfeng RaoJimmy LinPublished in: ICTIR (2016)
Keyphrases
- hidden markov models
- query expansion
- retrieval effectiveness
- information retrieval systems
- information retrieval
- language model
- pseudo relevance feedback
- text retrieval
- language modeling
- relevance feedback
- relevant documents
- automatic query expansion
- viterbi algorithm
- conditional random fields
- biomedical information retrieval
- retrieval model
- sequential data
- original query
- speech recognition
- query terms
- speech signal
- multi modal
- co occurrence
- hidden states
- multimedia
- machine learning