A hierarchical Dirichlet language model.

David J. C. MacKay Linda C. Bauman Peto

Published in: Nat. Lang. Eng. (1995)

Keyphrases

language model
language modeling
mixture model
dirichlet prior
probabilistic model
n gram
document retrieval
information retrieval

speech recognition
retrieval model
context sensitive
query expansion
statistical language models
test collection
language modelling
smoothing methods

ad hoc information retrieval
language model for information retrieval
query terms
pseudo relevance feedback
relevance model
document ranking
translation model
vector space model

document length
error rate
expectation maximization
web search
statistical language modeling
language models for information retrieval
search engine