APJIS Asia Pacific Journal of Information Systems


The Journal for Information Professionals

Asia Pacific Journal of Information Systems (APJIS), a Scopus and ABDC indexed journal, is a
flagship journal of the information systems (IS) field in the Asia Pacific region.

ISSN 2288-5404 (Print) / ISSN 2288-6818 (Online)

Editor : Seung Hyun Kim

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Past Issue

Date March 2024
Vol. No. Vol. 34 No. 1
DOI https://doi.org/10.14329/apjis.2024.34.1.226
Page 226~247
Title Empirical Comparison of the Effects of Online and Offline Recommendation Duration on Purchasing Decisions: Case of Korea Food E-commerce Company
Author Qinglong Li, Jaeho Jeong, Dongeon Kim, Xinzhe Li, Ilyoung Choi, Jaekyeong Kim
Keyword Recommender Systems, Online Evaluation, Offline Evaluation, Recommendation Duration Effect, Collaborative Filtering
Abstract Most studies on recommender systems to evaluate recommendation performances focus on offline evaluation methods utilizing past customer transaction records. However, evaluating recommendation performance through real-world stimulation becomes challenging. Moreover, such methods cannot evaluate the duration of the recommendation effect. This study measures the personalized recommendation (stimulus) effect when the product recommendation to customers leads to actual purchases and evaluates the duration of the stimulus personalized recommendation effect leading to purchases. The results revealed a 4.58% improvement in recommendation performance in the online environment compared with that in the offline environment. Furthermore, there is little difference in recommendation performance in offline experiments by period, whereas the recommendation performance declines with time in online experiments.

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