Extracting Hierarchies of Search Tasks & Subtasks via a Bayesian Nonparametric Approach.

Rishabh Mehrotra Emine Yilmaz

Published in: SIGIR (2017)

Keyphrases

search tasks
bayesian nonparametric
mixture model
gaussian process
inverse reinforcement learning
information seeking
test collection
variational inference
exploratory search
machine learning
information retrieval
digital libraries
em algorithm
regression model
gaussian processes