Collaborative prediction of web service quality based on user preferences and services

Yang Song

PLOS ONE, 2020, vol. 15, issue 12, 1-16

Abstract: The prediction of web service quality plays an important role in improving user services; it has been one of the most popular topics in the field of Internet services. In traditional collaborative filtering methods, differences in the personalization and preferences of different users have been ignored. In this paper, we propose a prediction method for web service quality based on different types of quality of service (QoS) attributes. Different extraction rules are applied to extract the user preference matrices from the original web data, and the negative value filtering-based top-K method is used to merge the optimization results into the collaborative prediction method. Thus, the individualized differences are fully exploited, and the problem of inconsistent QoS values is resolved. The experimental results demonstrate the validity of the proposed method. Compared with other methods, the proposed method performs better, and the results are closer to the real values.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0242089

DOI: 10.1371/journal.pone.0242089

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