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Carlea Holl-Jensen||


Lin, J., Smucker, M. (February 2008)
How Do Users Find Things with PubMed? Towards Automatic Utility Evaluation with User Simulations
Proceedings of the 31th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2008),pages 19-26, July 2008, Singapore. [Published Version]
HCIL-2008-07, LAMP-TR-148

In the context of document retrieval in the biomedical domain, this paper explores the complex relationship between the quality of initial query results and the overall utility of an interactive system. We demonstrate that a content-similarity browsing tool can compensate for poor retrieval results, and that the relationship between retrieval perfor- mance and overall utility is non-linear. Arguments are advanced with user simulations, which characterize the relevance of documents that a user might encounter with di erent browsing strategies. With broader implications to IR, this work provides a case study of how user simulations can be exploited as a formative tool for automatic utility evalua- tion. Simulation-based studies provide researchers with an additional evaluation tool to complement interactive and Cran eld-style experiments.

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