Toward a Trustworthy Decentralized Web

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Tim Berners-Lee's call to re-decentralize the web, and the 2016 Decentralized Web Summit that followed, will challenge researchers worldwide to come up with mechanisms and architectures that bring openness and resiliency to the web. ******For such a vision to become reality, end users will have to participate actively in the data- and application-sharing and hosting effort. This raises several issues, such as: ***- the need to provide an incentive to users to participate in the effort, ***- the need to determine trustworthy participants and to resist attacks from malicious peers, ***- the need for the applications to be practical, computationally effective, and scalable.******We propose to build on our work on peer-to-peer data-sharing architectures and applications to study the above issues. In particular, we will investigate an architecture based on an overlay of a social network on top of a peer-to-peer file-sharing network, for which we will: ***- evaluate data and knowledge query efficiency, ***- propose incentive schemes for the participation of users, ***- and study the way they will self-organize for efficiency and trust purposes. ******We will validate our work with analytical methods, simulations and real-life deployment of practical and useful applications.