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Subject: Re: [regrep] Presentations and questions : taxonomy vs. classification

Thank you so much Nicholas.

"Berry, Nicholas F" wrote:
> Joe,
> With all due respect, taxonomies and classification systems are an order of magnitude apart.  Here are some simplistic definitions.  They progress from the actual to the theoretical in this manner:
> Taxonomy: a hierarchical arrangement of topics that imposes topical structure on information in a specific body of knowledge.
> Classification (system):  the process of dividing objects or concepts into logically hierarchical classes, subclasses, and sub-subclasses based on the characteristics (attributes) they have in common and those that distinguish them.   Note, this is the model upon which individual taxonomies may be built.
> Ontology:  An ontology is a knowledge representation system which presents the key concepts and relationships relevant to a body of knowledge. Ontologies represent a conceptual consensus of topics (concepts) and their related attributes within a community of interest (domain).   They are based upon Formal Logic.  Note, this is a theoretical construct which can be used to build classification systems.
> Sincerely,
> Nicholas Berry
> Librarian
> Boeing XML Registry
> -----Original Message-----
> From: Chiusano Joseph [mailto:chiusano_joseph@bah.com]
> Sent: Tuesday, January 28, 2003 11:43 AM
> To: Breininger, Kathryn R
> Cc: ebXML Regrep (E-mail); sang.shin@sun.com; weida@apelon.com;
> akotok@disa.org; lane.derek@epa.gov
> Subject: Re: [regrep] Presentations and questions
> Please see comments below:
> > *       Taxonomies and classifications, what's the difference?
> >From my experience, these terms are used interchangeably.  If there is a
> difference between the two, I believe it is very subtle.
> > *       OAIS: integrity of objects over time
> I believe this can be addressed by our existing security features
> (Suresh, please correct me if I am wrong!).  While digital signatures
> help ensure that the message is not corrupted during transfer, access
> control policies help ensure that objects are not altered by
> unauthorized parties while in the registry.  Beyond that, I believe it
> would be an implementation issue - that is, ensuring that objects do not
> become "corrupted" at the operating system level.  Each OS will have its
> own unique way of ensuring this.
> > *       How to integrate 11179 and ebXML
> If this question is at the specification level, there is already
> integration between the two (our classification and registration
> concepts are influenced by 11179).  If it addresses the interaction
> between an 11179 registry (such as EPA's EDR) and an 11179 registry,
> then that interaction can occur by implementing a "bridge mechanism"
> (gateway) between the 2 registries that maps the metadata between the
> registries, and fills in any gaps as feasibly as possible.  Thus,
> objects that are registered in an 11179 registry can be propagated to an
> ebXML registry (real-time or batch), and vice-versa.  Since the EDR is
> data element-based, the ebXML-to-11179 interplay would involve a gateway
> accessing a newly registered XML Schema (for instance) from the ebXML
> registry, "parsing" it into its data elements, and automatically
> registering each of the elements (if not already registered) in the
> EDR.  Additionally, there could be a validation that ensures that all
> elements used in a submitted schema are already registered in EDR - and
> if an element is found to be "in violation", the schema would not be
> able to be registered in the ebXML registry.  If schemas are added to
> the EDR, the EDR-registered schemas could be propagated to the ebXML
> registry, and any gaps in metadata could be assigned default values
> along the way.
> There are many other possibilities - these are just a few ideas that
> came to me.
> > *       How to register namespaces?
> This capability does not yet exist - I hope we can add it in V4.  Now
> that the content management functionality is in V3, it is possible to
> drill down to the more granular level (elements, attributes, etc.), and
> we will now be able to recognize things such as the namespace with which
> an XML artifact is associated.  The registration of namespaces was part
> of the Namespace Management function I proposed for V3
> (http://lists.oasis-open.org/archives/regrep/200201/msg00061.html -
> exactly one year ago today!) - but we couldn't include it in V3 because
> it was dependent on the content management functionality.
> Kind Regards,
> Joe
> "Breininger, Kathryn R" wrote:
> >
> > The overview presentation I gave and the tutorial presentation and case studies Monica presented are now posted on the ebXML Registry home page under the "Documents" section, in a subsection titled "Presentations" http://www.oasis-open.org/committees/regrep/#documents .  In addition, here are the questions that were raised during the panel discussion.
> >
> > *       Use of packages, how to organize items in a registry?
> > *       Taxonomies and classifications, what's the difference?
> > *       OAIS: integrity of objects over time
> > *       How to integrate 11179 and ebXML
> > *       Persistent locations in registries (DRIve)
> > *       How to register namespaces?
> > *       Multi-lingual capabilities
> > *       URI for RegistryObject
> >
> > The third question (Integrity of objects over time) was asked specifically by Derek Lane, from EPA.  More detail on his question follows:
> >
> > 1. Comparison between the two concepts ebXML Reg/Rep with OAIS [Reference Model for an Open Archival Information System (OAIS)]
> > 2. Capability to ensure integrity of objects over time
> > 3. If a checksum may be required to ensure that the object is what was submitted over time (mentioned by Lane in discussion).
> >
> > Please respond with answers on the third question (details 1-3 above) directly to the list and Derek Lane at lane.derek@epa.gov  The link to OAIS is at: http://ssdoo.gsfc.nasa.gov/nost/isoas/overview.html
> >
> > Please also feel free to discuss each of the other questions above on the list.  This is a good opportunity to address some of these questions, and possibly consider for version 4.0 or as topics of best practice papers!
> >
> > Kathryn
> >
> > Kathryn Breininger
> > CENTRAL Project Manager
> > Emerging Technologies
> > Boeing Library Services
> >
> > 425-965-0182 phone
> > 425-237-3491 fax
> > kathryn.r.breininger@boeing.com
> >
> > ----------------------------------------------------------------
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