BERT-kNN: Adding a kNN Search Component to Pretrained Language Models for Better QA.
Nora KassnerHinrich SchützePublished in: EMNLP (Findings) (2020)
Keyphrases
- knn
- language model
- k nearest neighbor
- nearest neighbor
- language modeling
- distance function
- n gram
- text categorization
- knn algorithm
- document retrieval
- passage retrieval
- k nearest neighbour
- probabilistic model
- query expansion
- retrieval model
- question answering
- document ranking
- query terms
- query specific
- query point
- statistical language models
- text classification
- language modelling
- information retrieval
- smoothing methods
- neural network
- knn classifier
- similarity search
- knowledge discovery
- k nearest
- support vector machine
- pseudo relevance feedback
- information retrieval systems
- test collection
- active learning
- image retrieval
- search engine
- natural language processing
- retrieval effectiveness
- web search
- bag of words