Abstract
Together with the prevalence of e-commerce and online shopping, recommender systems have been playing an increasingly important role in people’s daily lives in terms of discovering their potential preferences. Therein, users’ preferences are mostly reflected by their online behaviors, specially their evaluation towards particular items, e.g., numeric ratings and textual reviews. Many existing recommender systems focus on using item ratings to determine users’ preferences, while others provide approaches using textual reviews instead. In this work, via a case study on the Amazon movies data, we compare the recommendation results when using ratings or reviews, as well as that of combining both.
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Notes
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This work has been partially supported by the Virpa D project funded by Business Finland.
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Stratigi, M., Li, X., Stefanidis, K., Zhang, Z. (2019). Ratings vs. Reviews in Recommender Systems: A Case Study on the Amazon Movies Dataset. In: Welzer, T., et al. New Trends in Databases and Information Systems. ADBIS 2019. Communications in Computer and Information Science, vol 1064. Springer, Cham. https://doi.org/10.1007/978-3-030-30278-8_9
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