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Rethinking the Optimization of Average Precision: Only Penalizing Negative Instances before Positive Ones Is Enough.
Zhuo Li
Weiqing Min
Jiajun Song
Yaohui Zhu
Liping Kang
Xiaoming Wei
Xiaolin Wei
Shuqiang Jiang
Published in:
AAAI (2022)
Keyphrases
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average precision
positive and negative
test collection
retrieval effectiveness
vector space model
evaluation metrics
retrieval systems
query difficulty
ranked list
information retrieval
clustering algorithm
database systems
bayesian networks
directly optimize