An approach to vocabulary expansion for neural network language model by means of hierarchical clustering.
Pavel V. DudarinNadezhda G. YarushkinaPublished in: EUSFLAT Conf. (2019)
Keyphrases
- hierarchical clustering
- language model
- language modeling
- n gram
- probabilistic model
- document retrieval
- retrieval model
- mixture model
- speech recognition
- information retrieval
- clustering method
- language modelling
- test collection
- query expansion
- k means
- smoothing methods
- ad hoc information retrieval
- context sensitive
- vector space model
- document representation
- text clustering
- hierarchical clustering algorithm
- partitional clustering
- single linkage
- hierarchical clustering methods
- clustering algorithm
- translation model
- statistical machine translation
- query terms
- dirichlet prior
- image retrieval