3 Rachael Rafter Lorcan Coyle Paddy Nixon Barry Smyth 2007 Sarah Jane Delany and Michael Madden Proceedings of the 18th Irish Conference on Artificial Intelligence and Cognitive Science Dublin, Ireland 29/08/2007 case based reasoning, conversational case based reasoning, recommender systems, knn Conversational recommender systems have recently emerged as useful alternative strategies to their single-shot counterpart, especially given their ability to expose a user's current preferences. These systems use conversational feedback to hone in on the most suitable item for recommendation by improving the mechanism that finds useful collaborators. We propose a novel architecture for performing recommendation that incorporates information about the individual performance of neighbours during a recommendation session, into the neighbour retrieval mechanism. We present our architecture and a set of preliminary evaluation results that suggest there is some merit to our approach. We examine these results and discuss what they mean for future research.