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Open AccessArticle

Session-Based Recommender System for Sustainable Digital Marketing

1
Graduate School of Information, Yonsei University, 50 Yonsei-ro, Seodaemun-Gu, Seoul 03722, Korea
2
Department of Management Information Systems, KeiMyung University, 1095 Dalgubeol-daero, Dalseo-Gu, Daegu 42061, Korea
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(12), 3336; https://doi.org/10.3390/su11123336
Received: 10 April 2019 / Revised: 6 June 2019 / Accepted: 7 June 2019 / Published: 17 June 2019
Many companies operate e-commerce websites to sell fashion products. Some customers want to buy products with intention of sustainability and therefore the companies need to suggest appropriate fashion products to those customers. Recommender systems are key applications in these sustainable digital marketing strategies and high performance is the most necessary factor. This research aims to improve recommendation systems’ performance by considering item session and attribute session information. We suggest the Item Session-Based Recommender (ISBR) and the Attribute Session-Based Recommenders (ASBRs) that use item and attribute session data independently, and then we suggest the Feature-Weighted Session-Based Recommenders (FWSBRs) that combine multiple ASBRs with various feature weighting schemes. Our experimental results show that FWSBR with chi-square feature weighting scheme outperforms ISBR, ASBRs, and Collaborative Filtering Recommender (CFR). In addition, it is notable that FWSBRs overcome the cold-start item problem, one significant limitation of CFR and ISBR, without losing performance. View Full-Text
Keywords: sustainable digital marketing; sustainable fashion business; session-based recommender; sequential patterns; feature selection; feature weighting; cold-start problem sustainable digital marketing; sustainable fashion business; session-based recommender; sequential patterns; feature selection; feature weighting; cold-start problem
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Hwangbo, H.; Kim, Y. Session-Based Recommender System for Sustainable Digital Marketing. Sustainability 2019, 11, 3336.

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