David:
Can you provide a pointer a detailed online version (description, example, and/or implementation) that would be the subject of the comments?
Take care,
Joe
On Wed, Dec 7, 2011 at 9:05 AM, David C. Hay <dch@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
At the risk of committing serious hubris, I have created my
own version of a "universal" ontology. It is in the form of a
set of data model patterns. My first cut at this was some 16 years
ago with my first book, Data Model Patterns:Conventions of
Thought. That was before I knew about ontologies. I was
just trying to create some useful standard data models for standard
business situations.
This year I published the successor to that book, Enterprise Model
Patterns: Describing the World. It is more comprehensive, and I dealt
with the issue of "how abstract should the model be?" by
presenting the world according to David Hay at four levels of
abstraction:
Level 1 is a generic model of an enterprise, in terms of people and
organizations, geographic locations, physical resources, activities and
events, and time.
Level 0 is a template for these, plus "meta" models of
accounting and document management. (Each of these topics itself is
connected to the entire rest of the world.)
Level 2 consists of composites of the Level 1 elements to describe
specific functional areas: human resources, contracts, etc.
The assumption is that most modeling requirements for most companies can
be handled by the Level 0-2 models. But in each industry, there is
some part that requires special attention. So, for Level 3, I
selected five that I happen to know something about: Criminal Justice,
Microbiology, Financial Institutions, Highway Design, and Oil Well
Design.
Since this is a structured representation of a domain, in terms of
defined classes and their relationships to each other, with the ability
to draw inferences, it seems to me like an ontology.
I welcome anyone's response.
Dave Hay
At 11:14 PM 12/6/2011, you wrote:
On 12/6/2011 1:32 PM,
AzamatAbdoullaev wrote:
> The schema.org's team has chosen popular promises, shirking all
sorts of
> "intellectualese" as ontology, formal logic, etc: "be
simple, and the web
> masses will follow you."
The vocabulary for schema.org is more like WordNet. It a
taxonomy
of useful terms, but it should not be considered an ontology.
It is also similar to other things such as GoodRelations, which
also has a vocabulary of useful terms. Both of them are at
about
the same level. The fact that one uses OWL and the other
doesn't
is irrelevant.
> Many issues (with smart web applications and semantic web
technologies) are
> coming from the lack of commitment to a common ontology, as a
universal,
> referenceable system of meanings, a guarantee of consistency,
completeness
> and understanding, serving as a solid foundation for
> data/information/knowledge indexing, metatagging, retrieval,
and
> communicating.
It is impossible to have a consistent, universal ontology of every
possible way of thinking by everybody on the planet.
It might be possible to have a single universal consistent ontology
of the way God sees the universe. But his revelations -- at
least
the ones that have been handed down to us -- tend to be rather
enigmatic and incomplete.
So we just have to muddle through with the best we can get from
science. And the task of science is very incomplete.
John
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