Does anyone know the time, location, attendees, any action items from the
meeting this past Tuesday?
Rod Welch wrote:
> It helps to get the date and time of the meeting, where it occurred, any
> attendance, and action items, if available. This takes extra time, but is
> helpful for context.
> Otherwise, great notes.
> Eric Armstrong wrote:
> > In a continuation of Saturday's meeting, Ken Holman
> > met again with several members of the OHS design
> > team.
> > As a result of that meeting, the design focus is
> > shifting away from "lets transcode every document into a
> > common XML form" and towards "lets define the functional
> > interfaces and only after that is done done figure out
> > what XML is needed for data interchange."
> > As part of that shift, rather than conceptualizing the
> > OHS as XML-versions of documents, we're thinking of it
> > as a repository that contains pointers to legacy-documents
> > plus whatever additional data is required to provide OHS
> > services.
> > This focus strikes me as very promising. The strategy
> > wins on several levels:
> > 1. As Ken mentioned, it allows others to differentiate
> > and innovate on the implementation, using different
> > internal representations to provide the requisite
> > functionality in a way that preserves interoperability.
> > 2. It lets us think in terms of defining an abstract
> > "viewer" for legacy documents. (E.g. word documents
> > spreadsheets, diagrams, etc.) People who are close
> > to those formats can build specific viewers, while
> > the OHS provides a common ground for the additional
> > data necessary to use them effectively.
> > 3. As more interesting views are constructued, they are
> > stored in the OHS. Over time, the OHS becomes more
> > and more central, and legacy documents become
> > secondary, the OHS therefore grows "organically" from
> > its legacy-document beginnings.
> > 4. As we discovered at Tuesday's meeting, the process
> > of defining the requisite functionality and structures
> > is tantamount to a specification (or anthropolical
> > rediscovery) of Augment's "ontology". (It turns out
> > that the "ontology" defines the functional interactions,
> > as well as an abstraction-tree that leads naturally
> > to an object hierarchy.) Casting the problem in these
> > terms lets us use our ontology gurus (Jack and Howard)
> > to advantage. They intend to start mining Augment
> > documents in order to extract that ontology. (Eugene
> > will use his Augment to HTML converter to make sure
> > they get what they need.)
> > Ken also pointed us towards a better use of the terms
> > "HyperScope", "HyperDocument", and "OHS". He intuitively
> > (mis)undestood them to mean the viewing engine (HyperScope),
> > the repository (OHS), and the thing viewed (HyperDocument).
> > The original meanings of the terms had been something more
> > along the lines of HyperScope is a mini-OHS that works
> > with legacy documents, while the OHS was the full monty,
> > or words to that effect. But the meanings that the terms
> > intrinsically suggested to Ken make a lot of sense. They
> > suggest an appropriate division into viewers, entities, and
> > repositories.
> > And rather than having a "HyperScope" that one day
> > evolves into a "OHS" (how do we know when it has happened?)
> > we have both a HyperScope and an OHS on day one -- where the
> > OHS starts small and grows larger, containing more flavors
> > of HyperDocuments over time.
> > At the moment, we seem to have factored the problem in a way
> > that lets everyone bring their skills to bear simultaneously
> > on different aspects of the problem. Odds are good that
> > we'll be able to continue down this road for awhile, and
> > potentially make substantial progress as a result.
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This archive was generated by hypermail 2b29 : Tue Nov 21 2000 - 20:03:06 PST