ESPRESSO: a framework for empowering search on decentralized web

Mohamed, Mohamed Ragab Moawad, Tiropanis, Thanassis, Chapman, Age, Savateev, Yury, Russos, George, Poulovassilis, Alex and Moosaei, Reza (2023) ESPRESSO: a framework for empowering search on decentralized web. The 24th International Conference on Web Information Systems Engineering, Melbourne, Australia, Melbourne, Australia, Australia. 25 - 27 Oct 2023. (In Press)

Abstract

The centralization of the Web has led to significant risks
to privacy, security, and user autonomy, prompting the need for decen-
tralization. Solid is a set of standards, protocols, and technologies that
seeks to enable Web re-decentralization based on the existing W3C rec-
ommendations. In Solid, users store their data in personal online data
stores (pods) with full control and sovereignty over which individuals
and applications get access to them. However, the current state of the
Web and Web-based applications rely heavily on search functionality us-
ing centralized indices. This poses significant challenges when it comes
to searching or querying large-scale data stored in decentralized user-
controlled pods, where different individuals and applications have varied
access to data. To address this gap, we propose the ESPRESSO frame-
work, which aims to enable individuals or applications to search Solid
pods at a large scale while pod owners maintain control over access to
their data. ESPRESSO considers access rights and caching needs while
facilitating the performance of distributed queries. Our framework offers
a vision for empowering search utilities in the decentralized Web, utiliz-
ing the Solid framework, and opens up new research directions for future
decentralized search applications.

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Contributors

Author: Thanassis Tiropanis

Author: Age Chapman

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