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Yuefei Wu

2 accepted papers

2024

The Evidence Contraction Issue in Deep Evidential Regression: Discussion and Solution

AAAI 2024technical

Deep Evidential Regression (DER) places a prior on the original Gaussian likelihood and treats learning as an evidence acquisition process to quantify uncertainty. For the validity of the evidence theory, DER requires specialized activation functions to ensure that the prior parameters remain non-ne…

2023

NerCo: A Contrastive Learning Based Two-Stage Chinese NER Method

IJCAI 2023poster

Sequence labeling serves as the most commonly used scheme for Chinese named entity recognition(NER). However, traditional sequence labeling methods classify tokens within an entity into different classes according to their positions. As a result, different tokens in the same entity may be learned wi…