Spoken question answering using tree-structured conditional random fields and two-layer random walk.
Sz-Rung ShiangHung-yi LeeLin-Shan LeePublished in: INTERSPEECH (2014)
Keyphrases
- random walk
- question answering
- conditional random fields
- information extraction
- structured data
- natural language processing
- named entities
- hidden markov models
- speech transcripts
- markov chain
- natural language
- named entity recognition
- probabilistic model
- maximum entropy
- graphical models
- markov models
- information retrieval
- markov random field
- generative model
- speech recognition
- directed graph
- higher order
- machine learning
- web documents
- structured prediction
- question answering systems
- text mining
- relation extraction
- segmentation method
- pairwise
- bayesian networks
- similarity measure