Using a Medical Thesaurus to Predict Query Difficulty.

Florian Boudin Jian-Yun Nie Martin Dawes

Published in: ECIR (2012)

Keyphrases

query difficulty
average precision
retrieval effectiveness
query performance prediction
recent approaches
query expansion
information retrieval
information retrieval systems
test collection
linguistic features
machine learning
digital libraries
natural language processing
visual features
relevant documents