Search Results for author: Longfeng Wu

Found 3 papers, 2 papers with code

Towards Reliable Rare Category Analysis on Graphs via Individual Calibration

1 code implementation19 Jul 2023 Longfeng Wu, Bowen Lei, Dongkuan Xu, Dawei Zhou

In particular, to quantify the uncertainties in RCA, we develop a node-level uncertainty quantification algorithm to model the overlapping support regions with high uncertainty; to handle the rarity of minority classes in miscalibration calculation, we generalize the distribution-based calibration metric to the instance level and propose the first individual calibration measurement on graphs named Expected Individual Calibration Error (EICE).

Fraud Detection Network Intrusion Detection +1

Towards High-Order Complementary Recommendation via Logical Reasoning Network

1 code implementation9 Dec 2022 Longfeng Wu, Yao Zhou, Dawei Zhou

Finally, we further propose a hybrid network that is jointly optimized for learning a more generic product representation.

Logical Reasoning Negation +2

Assigning credit to scientific datasets using article citation networks

no code implementations16 Jan 2020 Tong Zeng, Longfeng Wu, Sarah Bratt, Daniel E. Acuna

We evaluate the quality of DataRank by estimating its accuracy at predicting the usage of real datasets: web visits to GenBank and downloads of Figshare datasets.

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