collaborators

5 papers

cs.CL2026

Internal Representation, Not Clinical Knowledge: Where Apparent LLM Triage Failures Originate

David Fraile Navarro, Berardino Como, Jialei Sheng +2

Patient-voiced clinical-triage benchmarks report high under-triage rates for consumer LLMs for constrained multiple-choice output, yet the same cases score differently with free-te…

cs.HC2026

Recommendation-as-Experience: A framework for context-sensitive adaptation in conversational recommender systems

Raj Mahmud, Shlomo Berkovsky, Mukesh Prasad +1

While Conversational Recommender Systems (CRS) have matured technically, they frequently lack principled methods for encoding latent experiential aims as adaptive state variables.…

cs.CL2025

Uncertainty-Aware Dynamic Knowledge Graphs for Reliable Question Answering

Yu Takahashi, Shun Takeuchi, Kexuan Xin +6

Question answering (QA) systems are increasingly deployed across domains. However, their reliability is undermined when retrieved evidence is incomplete, noisy, or uncertain. Exist…

cs.IR2025

Evaluating User Experience in Conversational Recommender Systems: A Systematic Review Across Classical and LLM-Powered Approaches

Raj Mahmud, Yufeng Wu, Abdullah Bin Sawad +3

Conversational Recommender Systems (CRSs) are receiving growing research attention across domains, yet their user experience (UX) evaluation remains limited. Existing reviews large…

cs.HC2025

Understanding User Preferences for Interaction Styles in Conversational Recommender Systems: The Predictive Role of System Qualities, User Experience, and Traits

Raj Mahmud, Shlomo Berkovsky, Mukesh Prasad +1

Conversational Recommender Systems (CRSs) deliver personalised recommendations through multi-turn natural language dialogue and increasingly support both task-oriented and explorat…