A Tale of Two Perplexities: Sensitivity of Neural Language Models to Lexical Retrieval Deficits in Dementia of the Alzheimer's Type.
Trevor CohenSerguei PakhomovPublished in: ACL (2020)
Keyphrases
- language model
- retrieval model
- document retrieval
- test collection
- ad hoc information retrieval
- language modeling
- query expansion
- language models for information retrieval
- information retrieval
- context sensitive
- statistical language models
- relevance model
- smoothing methods
- cross language retrieval
- query terms
- document ranking
- probabilistic model
- n gram
- passage retrieval
- query specific
- document length
- speech recognition
- document level
- retrieval effectiveness
- term dependencies
- statistical language modeling
- language modelling
- vector space model
- pseudo feedback
- healthy subjects
- ir models
- okapi bm
- text retrieval
- term frequency
- natural language processing
- relevant documents
- wordnet
- out of vocabulary
- information retrieval systems
- multiword
- image database
- translation model
- tf idf
- relevance feedback
- information extraction