Contextualized Sparse Representations for Real-Time Open-Domain Question Answering.
Jinhyuk LeeMin Joon SeoHannaneh HajishirziJaewoo KangPublished in: ACL (2020)
Keyphrases
- sparse representation
- open domain question answering
- dictionary learning
- sparse coding
- joint optimization
- face recognition
- dimensionality reduction
- negative matrix factorization
- image classification
- signal processing
- compressive sensing
- image patches
- regularized least squares
- sparse reconstruction
- probabilistic model