"At the toolbar (menu, whatever) associated with a document there is a button marked "Oh, yeah?". You press it when you lose that feeling of trust. It says to the Web, 'so how do I know I can trust this information?'. The software then goes directly or indirectly back to metainformation about the document, which suggests a number of reasons."
Tim Berners-Lee, W3C Chair, Web Design Issues, September 1997
Provenance is focused on the description and understanding of where and how data is produced, the actors involved in the production of such data, and the processes by which the data was manipulated and transformed until it arrived to the collection from which it is being accessed. Provenance aims at providing the ability to trace the sources of data, enabling the exploration not just of the relationships between datasets, but also of their authors and affiliations, with the goal of preserving data ownership and establishing a notion of trust based on authenticity and reliability.
The Future Internet poses important challenges for provenance, derived from complex and rich scenarios characterized by the presence of large amounts of data stemming from heterogeneous sources like user communities, services, and things. Such challenges span across technical but also socioeconomic dimensions. The former includes aspects like vocabularies for representing provenance, interoperability and scalability issues, and means to produce, acquire, and reason with provenance in order to provide measures of trust and information quality. However, it is probably in the socieconomic dimension where more significant efforts need to be made as to addressing issues like the role of provenance in the overall picture of the Future Internet, entry barriers preventing the generation of provenance-aware internet content, means required to incentivate the production of such content, and ways to prevent provenance forgery.
In this talk, we provide and overview on provenance and the above mentioned challenges and introduce ongoing work in order to address trust issues from the provenance perspective in the Future Internet. We also link provenance to other relevant aspects for trust discussed in the session, like security, legal frameworks, and economics.