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Amplified locality‐sensitive hashing‐based recommender systems with privacy protection

Chi, Xiaoxiao; Yan, Chao; Wang, Hao; Rafique, Wajid; Qi, Lianyong
Peer reviewed, Journal article
Accepted version
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URI
https://hdl.handle.net/11250/2655264
Date
2020
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  • Institutt for datateknologi og informatikk [6319]
  • Publikasjoner fra CRIStin - NTNU [34884]
Original version
Concurrency and Computation. 2020, 1-13.   10.1002/cpe.5681
Abstract
With the advent of Internet of Things (IoT) age, the variety and volume of web services have been increasing at a fast speed. This often leads to users' selections for web services more complicated. Under the circumstance, a variety of methods such as collaborative filtering are adopted to deal with this challenging situation. While traditional collaborative filtering method has some shortcomings, one of which is that only centralized user‐service data are considered while distributed quality data from multiple platform are ignored. Generally, service recommendation across different platforms often involves data communication among multiple platforms, during which user privacy may be disclosed and much computational time is required. Considering these challenges, a unique amplified locality‐sensitive hashing (LSH)‐based service recommendation method, that is, SR Amplified‐LSH , is proposed in the article. SR Amplified‐LSH can guarantee a good balance between accuracy and efficiency of recommendation and user privacy information. Finally, extensive experiments deployed on WS‐DREAM dataset validate the feasibility of our proposed method.
Publisher
Wiley
Journal
Concurrency and Computation

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