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Toward Socially Agreeable Aggregate Functions for Group Recommender Systems
옥창수(Changsoo Ok),이석천(Seokcheon Lee),정병호(Byungho Jeong) 한국경영과학회 2007 韓國經營科學會誌 Vol.32 No.4
In ubiquitous computing, shared environments are required to adapt to people intelligently. Based on information about user preferences, the shared environments should be adjusted so that all users in a group are satisfied as possible. Although many group recommender systems have been proposed to obtain this purpose, they only consider average and misery. However, a broad range of philosophical approaches suggest that high inequality reduces social agreeability, and consequently causes users’ dissatisfactions. In this paper, we propose social welfare functions, which consider inequalities in users’ preferences, as alternative aggregation functions to achieve a social agreeability. Using an example in a previous work[7], we demonstrate the effectiveness of proposed welfare functions as socially agreeable aggregate functions in group recommender systems.