Special Thanks, Peter, (01)
I got pre-empted by developments in my participation in the OASIS
Emergency Management Technical Committee. I mention that to draw
attention to the fact that we do have these recordings and to point
out what a terriific resource this is. While I obviously can't ask
questions, at least I don't have to miss this important event and I
can absorb this presentation as time permits. (02)
I also wanted to thank Leo for taking the time and making the effort. (03)
Congratulations, Peter, and everyone involved. (04)
Regards,
Rex (05)
>We had a huge crowd and a most educational session on Jan. 12, 2006
>with Dr. Leo Obrst, principal artificial intelligence scientist at
>Mitre and co-convener of Ontolog, who presented to our community on:
>"What is an ontology? - A Briefing on the Range of Semantic Models".
>
>With Dr. Obrst's clear explanation and the set of meticulously
>prepared slides, I'm sure a lot of us can now discern between weak
>and strong semantics. We are in a position now to better understand
>the differences between taxonomies, thesauri, weak ontologies
>(conceptual models) and strong ontologies (logical theories), as
>well as when and why would we need them. As discussed during the
>session, this work (slides and audio recording of the briefing) will
>provide our community with the shared understanding of what these
>notions entail, and something we can always refer back to.
>
>Thank you very much, Leo, for sharing with us your work and insight.
>And, as always, appreciations to all who came, participated and
>helped contribute to yet another great Ontolog session.
>
>The digitized (mp3) audio recording of the entire session has
>now been posted. That will be archived in our knowledge
>repository for reference and download by anyone interested. See
>details at:
>http://ontolog.cim3.net/cgi-bin/wiki.pl?ConferenceCall_2006_01_12#nidITC
>Dr. Obrst's input today adds true value to this collective
>knowledge and intelligence that our community is building.
>
>
>Thanks & regards. =ppy
>
>P.S. Our next couple of invited speaker events have already been lined up:
>
>Next month, on Thursday, Feb. 2, 2006, world renowned ontologist,
>Dr. Nicola Guarino from the Laboratory for Applied Ontology in
>Italy, will be giving us a talk focused around DOLCE - a Descriptive
>Ontology for Linguistic and Cognitive Engineering - one of the
>leading Upper Ontologies available.
>
>The following month, on Thursday, March 2, 2006, Professor Dr.
>Asuman Dogac from the Middle East Technical University (METU) in
>Turkey will be presenting her work to the community in a talk
>entitled: "Exploiting ebXML Registry Semantics in the eHealth
>Domain."
>
>Mark your calendars so that you won't missed these great upcoming
>events. =ppy
>--
>
>
>Peter P. Yim wrote Mon, 09 Jan 2006 14:52:45 -0800:
>>*REMINDER*
>>
>>Happy New Year, everyone!
>>
>>This long anticipated session on "What is an ontology?" is coming
>>up in a few days. Whether you are just trying to find out for the
>>first time, or if you are a seasoned software professional, system
>>designer, librarian, knowledge engineer, taxonomist or ontologist,
>>there are good reasons why you shouldn't miss the session!
>>
>>RSVP (if you haven't already) ... we're looking forward to having
>>you at the session.
>>
>>Regards. =ppy
>>--
>
>
>>Peter P. Yim wrote Mon, 19 Dec 2005 21:47:38 -0800:
>>>*ANNOUNCEMENT*
>>>
>>>We are pleased to announce that Dr. Leo Obrst, co-convener of
>>>Ontolog, and a principal scientist at MITRE, will be presenting to
>>>the community. His talk is entitled: "*What is an ontology? - A
>>>Briefing on the Range of Semantic Models*"
>>>
>>>
>>>*Conference call-in details*:
>>>
>>>Date: Thursday, Jan. 12, 2006
>>>Start Time: 10:30am PST / 1:30pm EST / 18:30 UTC (World Time:
>>>http://www.timeanddate.com/worldclock/fixedtime.html?month=1&day=12&year=2006&hour=10&min=30&sec=0&p1=224)
>>>Session Duration: 2 Hours
>>>Dial-in Number: +1-702-851-3330 (Las Vegas, Nevada, USA)
>>>Participant Access Code: "686564#"
>>>VNC shared-screen support available
>>>
>>>
>>>Topic: *What is an ontology? - A Briefing on the Range of Semantic Models*
>>>
>>>
>>>*Abstract*:
>>>
>>>The Ontology Spectrum describes a range of semantic models of
>>>increasing expressiveness and complexity: taxonomy, thesaurus,
>>>conceptual model, and logical theory.
>>>
>>>This presentation initially describes the Ontology Spectrum and
>>>important distinctions related to semantic models, e.g., the
>>>distinction among term, concept, and real world referent; the
>>>distinction among syntax, semantics, and pragmatics; the
>>>distinction between intension and extension; and de facto
>>>distinctions that the ISO 11179 standard makes (as do many
>>>others): data objects, classification objects, terminology
>>>objects, meaning objects, and the relationships among these.
>>>
>>>The individual semantic model types are then discussed: weak and
>>>strong taxonomies, thesauri, and weak and strong ontologies
>>>(conceptual model and logical theory, respectively). Each of these
>>>are defined, exemplified, and discussed with respect to when a
>>>more expressive model is needed.
>>>
>>>If time permits, semantic integration and interoperability are
>>>discussed with respect to the models.
>>>
>>>Finally, a pointer to an expansion of the logical theory portion
>>>of the Ontology Spectrum is given: the Logic Spectrum, which
>>>describes the range of less to more expressive logics used for
>>>ontology and knowledge representation.
>>>
>>>
>>>*About the Speakers*:
>>>
>>>*Dr. Leo Obrst* is a principal artificial intelligence scientist
>>>at MITRE's (http://www.mitre.org) Center for Innovative Computing
>>>and Informatics, where he leads the Information Semantics group
>>>(semantics, ontological engineering, knowledge representation and
>>>management), and has been involved in projects on Semantic Web
>>>rule/ontology interaction, context-based semantic
>>>interoperability, ontology-based knowledge management, conceptual
>>>information retrieval, metadata and thesaurus construction for
>>>community knowledge sharing, intelligent agent technology, and
>>>ontology-based modeling of complex decision-making, He was
>>>recently Director of Ontological Engineering at VerticalNet.com, a
>>>department he formed to create ontologies in the product and
>>>service space to support Business-to-Business e-commerce. Leo's
>>>PhD is in theoretical linguistics with a concentration in formal
>>>semantics from the University of Texas-Austin. He has worked over
>>>20 years in computational linguistics, knowledge representation,
>>>and in the past nine years in ontological engineering. Leo is a
>>>member of the Executive Committee of the National Center for
>>>Ontological Research (NCOR, http://ncor.us/), and the chair of the
>>>NCOR Technical Committee. He was a member of the W3C Web Ontology
>>>Working Group (http://www.w3.org/2001/sw/WebOnt/) that developed
>>>the Web Ontology Language OWL. He is a member of the IEEE Standard
>>>Upper Ontology working group (http://suo.ieee.org/), the Semantic
>>>Web Services Initiative (http://www.swsi.org/), the Ontolog
>>>community (http://ontolog.cim3.net, which he co-founded and which
>>>focuses on the promotion of ontological engineering and semantic
>>>technologies), and the W3C Rule Interoperability group. He is a
>>>member of AAAI, ACL, LSA, and ACM. His research interests include
>>>semantic interoperability/integration, formalization of context
>>>for ontology mapping and merging, and formal upper ontologies,
>>>Semantic Web rules, and the application of formal ontology and
>>>formal semantics to ontological engineering.
>>>
>>>*Refer to details on the session wiki page at*:
>>>http://ontolog.cim3.net/cgi-bin/wiki.pl?ConferenceCall_2006_01_12
>>>
>>>This will be a virtual session over an augmented conference call.
>>>The session is expected to start with 45 min. ~ 1 Hour
>>>presentation followed by an extended discussion between the
>>>participants and the speaker. The entire session will be recorded
>>>and made available as open content under the prevailing Ontolog
>>>IPR policy (see:
>>>http://ontolog.cim3.net/cgi-bin/wiki.pl?WikiHomePage#nid32).
>>>
>>>I look forward to having you at this open session. Please pass the
>>>announcement along to those who might be interested to join us
>>>too. All are welcomed. *RSVP* by by emailing me at
>>><peter.yim@xxxxxxxx> offline.
>>>
>>>
>>>Regards. =ppy
>>>
>>>Peter P. Yim
>>>Co-convener, Ontolog
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--
Rex Brooks
President, CEO
Starbourne Communications Design
GeoAddress: 1361-A Addison
Berkeley, CA 94702
Tel: 510-849-2309
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