5 papers
Necessary or Sufficient? Evaluating LLM Explanations With Behavioural Evidence
Urja Pawar, Rajitha Ramanayake, Nabeel Kemal +6
LLM decision components that can operate within agent workflows often produce action-relevant recommendations or judgements together with explanations. Operators may use the named…
From Tokens to Semantics: Leveraging Complementary Signals for Hallucination Detection in Black-Box LLMs
Urja Pawar, Rajitha Ramanayake, Owen O'Neill +5
When LLMs support public-facing or high-stakes workflows, missed fabrications can harm users and institutions, while false alarms consume limited human-review capacity. When no tru…
A Methodology for Assessing the Risk of Metric Failure in LLMs Within the Financial Domain
William Flanagan, Mukunda Das, Rajitha Ramanayake +10
As Generative Artificial Intelligence is adopted across the financial services industry, a significant barrier to adoption and usage is measuring model performance. Historical mach…
Virtue Ethics For Ethically Tunable Robotic Assistants
Rajitha Ramanayake, Vivek Nallur
The common consensus is that robots designed to work alongside or serve humans must adhere to the ethical standards of their operational environment. To achieve this, several metho…
A Novel Algorithm for Digital Lithological Mapping-Case Studies in Sri Lanka's Mineral Exploration
R. M. L. S. Ramanayake, D. C. Dammage, I. Z. M. Zumri +8
Conventional manual lithological mapping (MLM) through field surveys are resource-extensive and time-consuming. Digital lithological mapping (DLM), harnessing remotely sensed spect…