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<trackbot> Date: 14 May 2010
<olaf> http://www.slideshare.net/olafhartig/brief-introduction-to-the-provenance-vocabulary-for-w3c-provxg
<scribe> Scribe: SamCoppens
<JIm> Zakim ??P18 is JIm
Olaf: Provenance voabulary meant
for publishing provenance of Linked Data
... vocabulary must be understandable
... no granlularity is predefined
... aother vocabularies are used for a more detailed
description along the linked data principle
... Provenance vocabulary contains links to related
vocabularies
... aim is to integrate provenance data in the web of
data
... development of metadata components automatically generate
provenance data
... provenance data in addition of the published linked
data
... Future work: allignment of provenance vocabularies
... Future work: extra modules for aspects not covered yet by
the provenance vocabulary
... Future work: extra publication tools
<JIm> Can you discuss slide 11...
<ssahoo> Provenir ontology slides: http://knoesis.wright.edu/library/download/ProvenirOntology_satyasahoo.pdf
Jun: mappings allow to query
different provenance vocabularies
... concern: the vocabulary is not meant to describe
everything
yolanda: How is the linked data community is thinking in terms of provenance, what are the requirements, ...
Olaf: Not many usecases untill
now, general understanding: publish and then see how it is
used
... The provenance vocab delivers the means for this
... next step is see how this provenance information can be
used
Jun: also used for evaluation of the published data
Yolanda: How much of the provenance data is being consumated?
<JIm> +q
Olaf: they can use provenance
descriptions and a more detailed description can be delivered
by e.g. OPM
... At least some of the provenance data, e.g. Dublin Core, is
being used and a little more complicated model can help with
this
<paolo> http://knoesis.wright.edu/library/download/ProvenirOntology_satyasahoo.pdf
Satya: Provenir Ontology
Upper ontology used for creating domain ontologies
Satya: e.g. Trident ontology,
Janus Ontology, Parasite Experiment Ontology
... This allows interoperability between the domain
ontologies
... Query operators support provenance queries
... query engine supports query operators
... support for rdfs entailments
... -->reasoning!
... support for the full provenance cycle
... capture the provenance of the rdf statements (slide
12)
... From which source are the rdf triples derived from
... derives_from gives all the provenance information (slide
13)
Yolanda: provenance of published
articles, but we haven't dealt with the complexity of the
process
... how to deal with the granularity?
Satya: provenir does not deal
with the complexity
... provenance can be domain specific, e.g. the description of
the processes involved
Why no relationship: generated_by_process
?
Satya: you can create specialised properties for this
Next topic: the mappings
<olaf> http://www.w3.org/2005/Incubator/prov/wiki/Provenance_Vocabulary_Mappings
Satya: creation of set of
mappings between the provenance vocabularies
... approach: used the terms of the OPM model as a starting
point
... other provenance terms from other vocabularies are mapped
to this
Olaf: this is only a first
step
... second step: which properties doesn't fit to OPM
... Third step: to which term can these be mapped then
Michael: some elements are not
provenance focused
... these mappings can be very useful
<michaelp> Other null-mappings will be provenance-focussed elements that are not part of OPM
Satya: Every Thursday on 11 am Boston
<Jose_> -Jose_
rssagent, draft minutes
trackbot, end telcon
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