Distributionally Robust Language Modeling.
Yonatan OrenShiori SagawaTatsunori B. HashimotoPercy LiangPublished in: EMNLP/IJCNLP (1) (2019)
Keyphrases
- language modeling
- language model
- information retrieval
- retrieval model
- n gram
- cross lingual
- query expansion
- robust optimization
- text classification
- probabilistic model
- statistical language models
- relevant documents
- improvements in retrieval effectiveness
- pseudo feedback
- pseudo relevance feedback
- retrieval effectiveness
- knn
- active learning
- training set
- search engine