A Hidden Markov Model Approach to Keyword-Based Search over Relational Databases.
Sonia BergamaschiFrancesco GuerraSilvia RotaYannis VelegrakisPublished in: ER (2011)
Keyphrases
- hidden markov models
- relational databases
- keyword search
- semantic search
- speech recognition
- keywords
- discriminative training
- conditional random fields
- gesture recognition
- markov models
- hierarchical hidden markov model
- sequential data
- markov model
- handwritten word recognition
- hidden state
- natural language
- phoneme recognition
- text classification
- viterbi algorithm
- hidden states
- reinforcement learning