Term-weighting approaches in automatic text retrieval
Information Processing and Management: an International Journal
Introduction to Modern Information Retrieval
Introduction to Modern Information Retrieval
Working Knowledge: How Organizations Manage What They Know
Working Knowledge: How Organizations Manage What They Know
Supporting nuance in groupware design: moving from naturalistic expertise location to expertise recommendation
Expert recommender systems in practice: evaluating semi-automatic profile generation
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Expert directories describe the knowledge of the staff. From field data of an implementation of such an expert directory we calculated weighted connections between employees based on their shared topics. These relations will be used for recommending people with similar profiles. Taking into account that the field data has unequal distributions in various manifestations we looked at four different similarity measures to refine our recommendations. Our findings show the importance of using mathematical inverse calculations when dealing with unequal distributions. We found a way of benchmarking our similarity measures using group membership as distinctive indicator.