R2D2: Recursive Transformer based on Differentiable Tree for Interpretable Hierarchical Language Modeling.
Xiang HuHaitao MiZujie WenYafang WangYi SuJing ZhengGerard de MeloPublished in: CoRR (2021)
Keyphrases
- language modeling
- language model
- retrieval model
- information retrieval
- query expansion
- probabilistic model
- cross lingual
- n gram
- text classification
- trec collections
- document retrieval
- improvements in retrieval effectiveness
- document length
- sentence retrieval
- statistical language modeling
- pseudo feedback
- dirichlet prior
- translation model
- relevance model
- web search engines
- expectation maximization
- decision trees
- search engine