Hierarchical pitman-yor language model for information retrieval.

Saeedeh Momtazi Dietrich Klakow

Published in: SIGIR (2010)

Keyphrases

language model for information retrieval
language model
coarse to fine
hierarchical structure
hierarchical model
data sets
real world
information retrieval
three dimensional
cooperative
mobile devices
special case
hierarchical representation
hierarchical decomposition