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LLM-based User Simulator
UserSimCRS v2: Simulation-Based Evaluation for Conversational Recommender Systems
Published:12/4/2025
Conversational Recommender SystemsLLM-based User SimulatorUser Simulation ToolkitSimulation-Based Evaluation MethodsIntegration of Recommender System Datasets
UserSimCRS v2 toolkit addresses the scarcity of simulationbased evaluation resources for conversational recommender systems by incorporating an enhanced user simulator, large language modelbased simulators, and broader dataset integration, demonstrated through a case study.
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Concept -- An Evaluation Protocol on Conversational Recommender Systems with System-centric and User-centric Factors
Published:4/4/2024
Evaluation Protocol for Conversational Recommender SystemsIntegration of User Experience and System PerformanceLLM-based User SimulatorUsability Issues in Recommendation SystemsSystem-Centric and User-Centric Factors
The paper introduces the "CONCEPT" evaluation protocol that integrates systemcentric and usercentric factors in conversational recommender systems. It outlines three key characteristics and six abilities, using an LLMbased user simulator to enhance usability and user experienc
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