Trec-CAR 2018: A Simple Unsupervised Semantic Query Expansion Model.

Robert Litschko Federico Nanni Goran Glavas

Published in: TREC (2018)

Keyphrases

query expansion
information retrieval
retrieval effectiveness
pseudo relevance feedback
probabilistic model
information retrieval systems
ad hoc retrieval
machine learning
web search
language modeling
query formulation
relevance model
model for information retrieval
interactive query expansion