Pretraining with Contrastive Sentence Objectives Improves Discourse Performance of Language Models.
Dan IterKelvin GuuLarry LansingDan JurafskyPublished in: ACL (2020)
Keyphrases
- language model
- discourse structure
- language modeling
- natural language
- document level
- n gram
- document retrieval
- information retrieval
- retrieval model
- probabilistic model
- query expansion
- language modelling
- speech recognition
- dependency structure
- sentence retrieval
- context sensitive
- statistical language models
- query terms
- ad hoc information retrieval
- pseudo relevance feedback
- relevance model
- test collection
- smoothing methods
- language models for information retrieval
- document ranking
- translation model
- part of speech
- linguistic features
- passage retrieval
- sentence level
- parse tree
- okapi bm
- vector space model
- search engine