Leveraging Passage Retrieval with Generative Models for Open Domain Question Answering.
Gautier IzacardEdouard GravePublished in: CoRR (2020)
Keyphrases
- open domain question answering
- generative model
- question answering
- passage retrieval
- probabilistic model
- information retrieval
- natural language processing
- em algorithm
- question answering systems
- named entities
- prior knowledge
- natural language
- information extraction
- topic models
- expectation maximization
- document retrieval
- semi supervised
- relation extraction
- multi modal
- language model
- training data
- feature selection