Please use this identifier to cite or link to this item: https://ktisis.cut.ac.cy/handle/10488/12630
Title: Who is fiddling with prices? building and deploying a watchdog service for e-commerce
Authors: Iordanou, Costas 
Soriente, Claudio 
Sirivianos, Michael 
Laoutaris, Nikolaos 
Keywords: Online Price Discrimination
Category: Computer and Information Sciences
Field: Engineering and Technology
Issue Date: 7-Aug-2017
Publisher: Association for Computing Machinery, Inc
Source: SIGCOMM '17 Proceedings of the Conference of the ACM Special Interest Group on Data Communication, 2017, Los Angeles, USA, 21 - 25 August, pp. 376-389
Conference: Conference of the ACM Special Interest Group on Data Communication 
Abstract: We present the design, implementation, validation, and deployment of the Price Sheriff, a highly distributed system for detecting various types of online price discrimination in e-commerce. The Price Sheriff uses a peer-to-peer architecture, sandboxing, and secure multiparty computation to allow users to tunnel price check requests through the browsers of other peers without tainting their local or server-side browsing history and state. Having operated the Price Sheriff for several months with approximately one thousand real users, we identify several instances of cross-border price discrimination based on the country of origin. Even within national borders, we identify several retailers that return different prices for the same product to different users. We examine whether the observed differences are due to personal-data-induced discrimination or A/B testing, and conclude that it is the latter.
URI: http://ktisis.cut.ac.cy/handle/10488/12630
ISBN: 978-1-4503-4653-5
DOI: 10.1145/3098822.3098850
Rights: © 2017 ACM.
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια/Conference papers

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