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Distributed and Self-organizing Systems
Distributed and Self-organizing Systems

PUBLICATION

aTLAS: a Testbed to Examine Trust for a Redecentralized Web

Type

Conference Paper

Year

2020

Authors

siegert

mahdanoura

gaedke

Research Area

Web Engineering

Event

2020 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT)

Published in

2020 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT)

ISBN/ISSN

978-1-6654-1924-6

Abstract

The redecentralization of the web introduces new challenges on trusting data from other sources due to many unknown or even hidden parties. An application working trustworthy in a decentralized web must evaluate trust and take trustaware decisions autonomously without relying on a centralized infrastructure. This autonomy and the huge amount of available applications necessitates the web to be modelled as an open dynamic Multi-Agent System (MAS). To evaluate the trust of web agents, the most suitable trust models needs to be identified and used. Despite the various trust models proposed in the literature for evaluating a web agent’s trust, the examination of them with different scenarios and configurations is not trivial. The existing tools for comparing trust models in MAS are either not related to the web, concerned with direct or reputation based trust and do not consider contentual and contextual trust dimensions, or restrict trust comparison to only one agent in the MAS which makes it challenging to determine the appropriate models and ultimately limits the development of trust in a redecentralized web. To address these challenges, we showcase aTLAS, a Trust Laboratory of Multi-Agent Systems which is a web-based wizard testbed for researchers and web engineers to evaluate trust models systematically. aTLAS will enable future research regarding trust evaluations in a decentralized web. We show the different features provided by aTLAS through a set of experiments.

Reference

Siegert, Valentin; Noura, Mahda; Gaedke, Martin: aTLAS: a Testbed to Examine Trust for a Redecentralized Web. 2020 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT), pp. 403-408, 2020.



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