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On Topic Difficulty in IR Evaluation: The Effect of Systems, Corpora, and System Components.
Fabio Zampieri
Kevin Roitero
J. Shane Culpepper
Oren Kurland
Stefano Mizzaro
Published in:
SIGIR (2019)
Keyphrases
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ir evaluation
retrieval systems
topic models
test collection
vector space
relevance assessments