A Lightweight Provenance Pingback and Query Service for Web Publications
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Transcript of A Lightweight Provenance Pingback and Query Service for Web Publications
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ELIS –Multimedia Lab
Tom De Nies, Robert Meusel, Kai Eckert, Dominique Ritze,
Anastasia Dimou, Laurens De Vocht, Ruben Verborgh, Erik Mannens and Rik Van de Walle
Ghent University – iMinds – MMLab
http://users.ugent.be/~tdenies
@TomDeNies
Research Group Data and Web Science
University of Mannheim, Germany
DEMO: A Lightweight Provenance Pingback and Query Service for Web Publications
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ELIS –Multimedia Lab
Publications benefit highly from provenance…
…but how do we link to it?
The Problem
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ELIS –Multimedia Lab
Currently, according to PROV-AQ
PublisherPROV
+
PROV
Author
User
prov:has_provenance
Publisher maintains 2 URIs:1. Resource URI2. Provenance URI… and the provenance itself(could also be hosted somewhere else)
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ELIS –Multimedia Lab
In essence, nothing. It’s intuitive and straightforward.
However:
All/most responsibility lies with the publisher of the resource
This publisher has little to no incentive to host & maintain the provenance
No possibility for 3rd party provenance or curation
How can we add new provenance?
What’s wrong with that?
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ELIS –Multimedia Lab
A lightweight Web service
that allows linking to and retrieval of provenance information
of any published resource on the Web.
Our proposal
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ELIS –Multimedia Lab
What does that look like?
Publisher maintains 3 URIs:1. Resource URI2. Provenance pingback URI3. Provenance query service URIAuthor or PROV-Pings hosts the provenance
Still PROV-AQ compliant!
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ELIS –Multimedia Lab
Publishers can focus on what they do best, not on provenance hosting or maintenance.
Provenance can be added by anyone involved in the creation or usage of the resource.
Other resources with shared provenance are easily discovered through queries
→ especially useful in academics for related work (a.o.)
What are the benefits of this?
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ELIS –Multimedia Lab
What else is needed? Future Work
Provenance Discovery what if the publisher refuses? single, global provenance service? p2p provenance services? registry/search engine for provenance services?
Provenance Curation maintaining quality?
provenance of submitted provenance?
claiming authorship? (cfr. Google Scholar)
up/down voting?
Provenance Creation often the bottleneck
capturing tools exist
as well as version control mappings(git2prov, hg2prov*, svn2prov*, … )
*thanks @timrdf!
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ELIS –Multimedia Lab
Questions?
…or come talk to me later!
Try it (very much at your own risk…and ours):http://git2prov.org:8902/prov-pings/
(soon at port 80 as mentioned in the paper)