• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology

Article

Competitive equilibrium based personal data market model
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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v13i13.267

Year: 2020, Volume: 13, Issue: 13, Pages: 1450-1457

Original Article

Competitive equilibrium based personal data market model

J Ujwala Rekha1*, K Shahu Chatrapati2

1Associcate Professor of CSE, JNTUH College of Engineering Hyderabad, Telangana, India
2Professor of CSE, JNTUH College of Engineering, Manthani Telangana, India

*Corresponding author
J Ujwala Rekha
Associcate Professor of CSE, JNTUH College of Engineering, Hyderabad, Telangana, India
Email: [email protected]

Received Date:14 April 2020, Accepted Date:23 April 2020, Published Date:25 May 2020

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Background/Objectives: In a digital economy, with the increasing commercial value, personal data is viewed as a commodity to be bought and sold. Data owners expect an appropriate compensation for trading off their privacy depending on how they value their privacy. Simultaneously, data consumers want to maximize their utility which is dependent on the value derived from the data. Consequently, a data market model that optimally recompenses data owners and maximizes the profits of data consumers is required. Methods: In this study, a data market model and pricing mechanism based on Fisher market model and competitive equilibrium are presented where the value derived from the data is calculated from information entropy. The proposed data model and the pricing mechanism jointly and simultaneously maximize the profit of data owners and the utility of data buyers. Findings: Experiments are conducted on adult data set to validate the efficacy of the proposed approach. Data owners are classified as risk averse, risk neutral, risk taking and privacy regarders. Subsequently, prices of data samples are adjusted to reach equilibrium as defined by the Fisher market model maximizing simultaneously and jointly the profit of data owners and the utility of data buyers. Applications: The proposed competitive equilibrium based personal data market model can be used to find equilibrium prices and bundles of data samples for each data buyer at these prices maximizing the utility of data buyer subject to his budgetary constraints and data requirements, and data owners' privacy preferences.

Keywords: Personal data; Competitive equilibrium; Fisher market; Information entropy; Data buyers; Data owners; Data market

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Copyright

© 2020 Rekha, Chatrapati.This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Published By Indian Society for Education and Environment (iSee)

  • 25 May 2020

Year: 2020, Volume: 13, Issue: 13

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