POLYU at TREC 2020 Conversational Assistant Track: Query Reformulation with Heuristic Topic Phrases Discovery.

Kaishuai Xu Wenjie Li Yongli Li

Published in: TREC (2020)

Keyphrases

query reformulation
palmprint
palmprint recognition
test collection
retrieval systems
query formulation
natural language
information retrieval
anchor text
topic models
gabor filters
machine learning
similarity measure
digital libraries
region of interest