Papers by Vijay Prakash Dwivedi
M-QALM: A Benchmark to Assess Clinical Reading Comprehension and Knowledge Recall in Large Language Models via Question Answering (2024.findings-acl)
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Anand Subramanian, Viktor Schlegel, Abhinav Ramesh Kashyap, Thanh-Tung Nguyen, Vijay Prakash Dwivedi, Stefan Winkler
| Challenge: | Existing studies on adapting large language models to perform a variety of tasks in high-stakes domains such as healthcare lack understanding of the extent and contributing factors that allow them to recall relevant knowledge and combine it with presented information. |
| Approach: | They propose to use multiple choice and abstractive question answering to investigate the extent and contributing factors that allow LLMs to recall relevant knowledge and combine it with presented information in the clinical and biomedical domain. |
| Outcome: | The proposed models perform better on 22 datasets in three generalist and three specialist biomedical sub-domains, and show that they can generalise to unseen sub- domains. |
uMedSum: A Unified Framework for Clinical Abstractive Summarization (2025.acl-long)
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Aishik Nagar, Yutong Liu, Andy T. Liu, Viktor Schlegel, Vijay Prakash Dwivedi, Arun-Kumar Kaliya-Perumal, Guna Pratheep Kalanchiam, Yili Tang, Robby T. Tan
| Challenge: | Clinical abstractive summarization struggles to balance faithfulness and informativeness, sacrificing key information or introducing confabulations. |
| Approach: | They develop a modular hybrid framework that integrates confabulation removal and key information addition into abstractive summarization methods. |
| Outcome: | The proposed framework outperforms state-of-the-art abstractive summarization methods in both quantitative metrics and expert evaluations. |
Large Language Models are Good Relational Learners (2025.acl-long)
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| Challenge: | Existing approaches to serialize large language models disregard critical relational structures and creates redundancies. |
| Approach: | They propose a graph neural network encoder to create structured relational prompts for large language models within a retrieval-augmented generation framework. |
| Outcome: | The proposed architecture preserves relational structure of databases while enabling LLMs to process and reason over complex entity relationships. |