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Boran Hao

2 accepted papers

2023

Distributionally Robust Multiclass Classification and Applications in Deep Image Classifiers

ICASSP 2023accepted

We develop a Distributionally Robust Optimization (DRO) formulation for Multiclass Logistic Regression (MLR), which could tolerate data contaminated by outliers. The DRO framework uses a probabilistic ambiguity set defined as a ball of distributions that are close to the empirical distribution of th…

Cited by 0SourceScholar
2020

Enhancing Clinical BERT Embedding using a Biomedical Knowledge Base

COLING 2020main

Domain knowledge is important for building Natural Language Processing (NLP) systems for low-resource settings, such as in the clinical domain. In this paper, a novel joint training method is introduced for adding knowledge base information from the Unified Medical Language System (UMLS) into langua…