Search Results for author: William Hogan

Found 9 papers, 3 papers with code

READ: Improving Relation Extraction from an ADversarial Perspective

1 code implementation2 Apr 2024 Dawei Li, William Hogan, Jingbo Shang

This strategy enables a larger attack budget for entities and coaxes the model to leverage relational patterns embedded in the context.

Adversarial Attack Relation +1

Creating a Discipline-specific Commons for Infectious Disease Epidemiology

no code implementations12 Nov 2023 Michael M. Wagner, William Hogan, John Levander, Adam Darr, Matt Diller, Max Sibilla, Alexander T. Loiacono. Terence Sperringer, Jr., Shawn T. Brown

Materials and Methods: We represented 586 datasets, 54 software, and 24 data formats in OWL 2 and then used logical queries to infer potentially interoperable combinations of software and datasets, as well as statistics about the FAIRness of the collection.

Epidemiology Fairness

Open-world Semi-supervised Generalized Relation Discovery Aligned in a Real-world Setting

no code implementations22 May 2023 William Hogan, Jiacheng Li, Jingbo Shang

Motivated by these insights, we present a novel method called KNoRD (Known and Novel Relation Discovery), which effectively classifies explicitly and implicitly expressed relations from known and novel classes within unlabeled data.

Relation Relation Extraction

Fine-grained Contrastive Learning for Relation Extraction

1 code implementation25 May 2022 William Hogan, Jiacheng Li, Jingbo Shang

Recent relation extraction (RE) works have shown encouraging improvements by conducting contrastive learning on silver labels generated by distant supervision before fine-tuning on gold labels.

Contrastive Learning Denoising +3

Abstractified Multi-instance Learning (AMIL) for Biomedical Relation Extraction

1 code implementation AKBC 2021 William Hogan, Molly Huang, Yannis Katsis, Tyler Baldwin, Ho-Cheol Kim, Yoshiki Vazquez Baeza, Andrew Bartko, Chun-Nan Hsu

In this work, we propose a novel reformulation of MIL for biomedical relation extraction that abstractifies biomedical entities into their corresponding semantic types.

Relation Relation Extraction

Applications of artificial intelligence in drug development using real-world data

no code implementations22 Jan 2021 Zhaoyi Chen, Xiong Liu, William Hogan, Elizabeth Shenkman, Jiang Bian

The US Food and Drug Administration (FDA) has been actively promoting the use of real-world data (RWD) in drug development.

Event Detection

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