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: CoRR (2020)
Keyphrases
- language model
- retrieval model
- document retrieval
- test collection
- query expansion
- language modeling
- ad hoc information retrieval
- information retrieval
- language models for information retrieval
- context sensitive
- statistical language models
- document length
- smoothing methods
- query terms
- relevance model
- document ranking
- probabilistic model
- cross language retrieval
- n gram
- speech recognition
- passage retrieval
- okapi bm
- pseudo feedback
- ir models
- query specific
- vector space model
- pseudo relevance feedback
- retrieval effectiveness
- retrieval systems
- relevance feedback
- information retrieval systems
- text retrieval
- term dependencies
- language modelling
- average precision
- ad hoc retrieval
- image database
- bayesian networks
- keywords
- sentence retrieval
- healthy subjects
- retrieval accuracy
- image retrieval
- natural language processing
- wordnet
- text mining