The European Union has sponsored a project for tracking the
provenance of digital documents. Following is their summary:  (01)
 The Provenance Project has defined an open provenance architecture,
 an architecture for provenance systems, based on an open data model,
 allowing explicit documentation of past processes to be expressed,
 and a set of public interfaces allowing the creation, recording
 and querying of such process documentation. The Provenance project
 also produced a software implementation of this architecture, its
 integration with several Grid toolkits, as well as a series of
 tools operating against its open interfaces and data models.
 Such an approach offers multiple benefits to the users who have
 interacted with a deployment of the provenance architecture,
 including medical users and users in the aerospace domain.  (02)
The architecture diagram on the following web page provides an overview
of their tools and how they're organized:  (03)
 http://www.gridprovenance.org/architecture/provenanceArchitecture.html
The EU Provenance Project  (04)
Following is the opening paragraph of that web page:  (05)
 The Provenance Architecture is defined as a computer system that
 deals with all issues pertaining to the recording, maintenance,
 visualisation, reasoning and analysis of the documentation of
 the process that underpins the notion of provenance. Such a system
 is a software implementation of the Open Provenance Architecture,
 which identifies the different roles in such a system, their
 interactions and the kind of provenance representation they are
 expected to support.  (06)
Many of the ideas they have developed and implemented are relevant
to an ontology repository, and I suggest that we consider them as
a starting point for further discussion.  (07)
John Sowa  (08)
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