Probabilistic Tree-Edit Models with Structured Latent Variables for Textual Entailment and Question Answering.
Mengqiu WangChristopher D. ManningPublished in: COLING (2010)
Keyphrases
- question answering
- latent variables
- probabilistic model
- answer validation
- textual entailment
- natural language processing
- information extraction
- prior knowledge
- graphical models
- bayesian networks
- qa clef
- information retrieval
- question classification
- named entities
- generative model
- passage retrieval
- wordnet
- active learning
- knowledge base