no code implementations • 16 May 2025 • Maruf Ahmed Mridul, Inwon Kang, Oshani Seneviratne
Terms of Service (ToS) documents are often lengthy and written in complex legal language, making them difficult for users to read and understand.
no code implementations • 3 Apr 2025 • Gautam Kishore Shahi, Oshani Seneviratne, Marc Spaniol
With the shift from traditional to digital media, the online landscape now hosts not only reliable news articles but also a significant amount of unreliable content.
no code implementations • 20 Feb 2025 • Bijun Wu, Oshani Seneviratne
Federated Learning (FL) enables collaborative model training without sharing raw data, preserving privacy while harnessing distributed datasets.
no code implementations • 20 Feb 2025 • Fernando Spadea, Oshani Seneviratne
We evaluate Kahneman-Tversky Optimization (KTO) as a fine-tuning method for large language models (LLMs) in federated learning (FL) settings, comparing it against Direct Preference Optimization (DPO).
no code implementations • 3 Feb 2025 • Oshani Seneviratne, Brendan Capuzzo, William Van Woensel
This paper introduces an explanation framework designed to enhance the quality of rules in knowledge-based reasoning systems based on dataset-driven insights.
no code implementations • 23 Jan 2025 • Inwon Kang, Parikshit Ram, Yi Zhou, Horst Samulowitz, Oshani Seneviratne
Dataset distillation generates a small set of information-rich instances from a large dataset, resulting in reduced storage requirements, privacy or copyright risks, and computational costs for downstream modeling, though much of the research has focused on the image data modality.
no code implementations • 11 Sep 2024 • William Van Woensel, Oshani Seneviratne
Conclusions: We showed that it is feasible to automatically generate smart contract code based on a semantic KG, in a way that respects the economic rules of blockchain.
1 code implementation • 9 Jul 2024 • Linh Tran, Sanjay Chari, Md. Saikat Islam Khan, Aaron Zachariah, Stacy Patterson, Oshani Seneviratne
We provide the first prototype application of differential privacy with blockchain for vertical federated learning.
no code implementations • 9 Jul 2024 • Inwon Kang, William Van Woensel, Oshani Seneviratne
We ascertain LLMs are good at the task (1), and the structured output is useful to validate tasks (2) and (3).
no code implementations • 9 Mar 2024 • David Fong, Tianshu Chu, Matthew Heflin, Xiaosi Gu, Oshani Seneviratne
We introduce a multi-layer perceptron (MLP) called the COVID-19 Depression and Anxiety Predictor (CoDAP) to predict mental health trends, particularly anxiety and depression, during the COVID-19 pandemic.
no code implementations • 30 Oct 2023 • Luis-Daniel Ibáñez, John Domingue, Sabrina Kirrane, Oshani Seneviratne, Aisling Third, Maria-Esther Vidal
How can AI be made accountable for its decision-making?
no code implementations • 12 Oct 2023 • Inwon Kang, Sikai Ruan, Tyler Ho, Jui-Chien Lin, Farhad Mohsin, Oshani Seneviratne, Lirong Xia
Comparing performances with existing methods, we see that pre-trained LLMs are able to outperform the previous SotA models with no fine-tuning involved.
1 code implementation • 27 Jul 2023 • Matthew T. Pisano, Connor J. Patterson, Oshani Seneviratne
Limited access to computing resources and training data poses significant challenges for individuals and groups aiming to train and utilize predictive machine learning models.
no code implementations • 9 Jul 2023 • Manan Shukla, Oshani Seneviratne
Mental health disorders remain a significant challenge in modern healthcare, with diagnosis and treatment often relying on subjective patient descriptions and past medical history.
no code implementations • 11 Feb 2023 • Shruthi Chari, Prasant Acharya, Daniel M. Gruen, Olivia Zhang, Elif K. Eyigoz, Mohamed Ghalwash, Oshani Seneviratne, Fernando Suarez Saiz, Pablo Meyer, Prithwish Chakraborty, Deborah L. McGuinness
All of these steps were performed in engagement with medical experts, including a final evaluation of the dashboard results by an expert medical panel.
no code implementations • 6 Jul 2021 • Shruthi Chari, Prithwish Chakraborty, Mohamed Ghalwash, Oshani Seneviratne, Elif K. Eyigoz, Daniel M. Gruen, Fernando Suarez Saiz, Ching-Hua Chen, Pablo Meyer Rojas, Deborah L. McGuinness
To enable the adoption of the ever improving AI risk prediction models in practice, we have begun to explore techniques to contextualize such models along three dimensions of interest: the patients' clinical state, AI predictions about their risk of complications, and algorithmic explanations supporting the predictions.
no code implementations • 4 May 2021 • Ishita Padhiar, Oshani Seneviratne, Shruthi Chari, Daniel Gruen, Deborah L. McGuinness
Our motivation with the use of FEO is to empower users to make decisions about their health, fully equipped with an understanding of the AI recommender systems as they relate to user questions, by providing reasoning behind their recommendations in the form of explanations.
no code implementations • 15 Apr 2021 • Sola Shirai, Oshani Seneviratne, Deborah L. McGuinness
Knowledge graphs that encapsulate personal health information, or personal health knowledge graphs (PHKG), can help enable personalized health care in knowledge-driven systems.
no code implementations • 4 Oct 2020 • Shruthi Chari, Oshani Seneviratne, Daniel M. Gruen, Morgan A. Foreman, Amar K. Das, Deborah L. McGuinness
With greater adoption of these systems and emphasis on user-centric explainability, there is a need for a structured representation that treats explainability as a primary consideration, mapping end user needs to specific explanation types and the system's AI capabilities.
no code implementations • 4 Oct 2020 • Shruthi Chari, Oshani Seneviratne, Daniel M. Gruen, Morgan A. Foreman, Amar K. Das, Deborah L. McGuinness
We addressed the problem of a lack of semantic representation for user-centric explanations and different explanation types in our Explanation Ontology (https://purl. org/heals/eo).
no code implementations • 17 Mar 2020 • Shruthi Chari, Daniel M. Gruen, Oshani Seneviratne, Deborah L. McGuinness
Interest in the field of Explainable Artificial Intelligence has been growing for decades and has accelerated recently.
no code implementations • 17 Mar 2020 • Shruthi Chari, Daniel M. Gruen, Oshani Seneviratne, Deborah L. McGuinness
Additionally, borrowing from the strengths of past approaches and identifying gaps needed to make explanations user- and context-focused, we propose new definitions for explanations and explainable knowledge-enabled systems.
no code implementations • 9 Jul 2019 • Shruthi Chari, Miao Qi, Nkcheniyere N. Agu, Oshani Seneviratne, James P. McCusker, Kristin P. Bennett, Amar K. Das, Deborah L. McGuinness
To address these challenges, we develop an ontology-enabled prototype system, which exposes the population descriptions in research studies in a declarative manner, with the ultimate goal of allowing medical practitioners to better understand the applicability and generalizability of treatment recommendations.
no code implementations • 20 Jul 2018 • Oshani Seneviratne, Sabbir M. Rashid, Shruthi Chari, James P. McCusker, Kristin P. Bennett, James A. Hendler, Deborah L. McGuinness
With the rapid advancements in cancer research, the information that is useful for characterizing disease, staging tumors, and creating treatment and survivorship plans has been changing at a pace that creates challenges when physicians try to remain current.