提出少即是多的可持续推荐解释，提升用户接受度。
Less is More: Towards Sustainability-Aware Persuasive Explanations in Recommender Systems
- 采用'少即是多'原则设计可持续导向解释
- 跨三个商品领域研究验证用户接受度高
- 适合关注可持续发展推荐系统的开发者
推荐系统在支持联合国可持续发展目标（SDGs）方面发挥重要作用。解释功能可助力提升用户信任、促进特定商品购买或增强对推荐理由的理解。本文提出‘可持续感知说服性解释’概念，强调‘少即是多’原则，该理念未被现有电商平台采纳。基于三个商品领域的用户研究，分析了此类解释的潜在影响。研究结果表明，用户接受度高，具有推动可持续目标实现的潜力。
原文摘要 · Abstract (English)
Recommender systems play an important role in supporting the achievement of the United Nations sustainable development goals (SDGs). In recommender systems, explanations can support different goals, such as increasing a user's trust in a recommendation, persuading a user to purchase specific items, or increasing the understanding of the reasons behind a recommendation. In this paper, we discuss the concept of "sustainability-aware persuasive explanations" which we regard as a major concept to support the achievement of the mentioned SDGs. Such explanations are orthogonal to most existing explanation approaches since they focus on a "less is more" principle, which per se is not included in existing e-commerce platforms. Based on a user study in three item domains, we analyze the potential impacts of sustainability-aware persuasive explanations. The study results are promising regarding user acceptance and the potential impacts of such explanations.
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