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John P. Lalor

4 accepted papers

2026

TopoCL: Topological Contrastive Learning for Medical Imaging

CVPR 2026

Contrastive learning (CL) has become a powerful approach for learning representations from unlabeled images. However, existing CL methods focus predominantly on visual appearance features while neglecting topological characteristics (e.g., connectivity patterns, boundary configurations, cavity forma

Cited by 0SourcecodeScholar
2025

No Simple Answer to Data Complexity: An Examination of Instance-Level Complexity Metrics for Classification Tasks

NAACL 2025long

Natural Language Processing research has become increasingly concerned with understanding data quality and complexity at the instance level. Instance-level complexity scores can be used for tasks such as filtering out noisy observations and subsampling informative examples. However, there exists a d…

Cited by 0SourcePDFScholar
2021

Constructing a Psychometric Testbed for Fair Natural Language Processing

EMNLP 2021main

Psychometric measures of ability, attitudes, perceptions, and beliefs are crucial for understanding user behavior in various contexts including health, security, e-commerce, and finance. Traditionally, psychometric dimensions have been measured and collected using survey-based methods. Inferring suc…

2021

Evaluation Examples are not Equally Informative: How should that change NLP Leaderboards?

ACL 2021long

Leaderboards are widely used in NLP and push the field forward. While leaderboards are a straightforward ranking of NLP models, this simplicity can mask nuances in evaluation items (examples) and subjects (NLP models). Rather than replace leaderboards, we advocate a re-imagining so that they better…