Jack, are you doing this from your office, or have you booked a room? (01)
vinay (02)
Peter P. Yim wrote: (03)
> *REMINDER*
>
> The Jack Park / Patrick Durusau talk is coming up tomorrow. Register
> now (by e-mailing me offline), if you are planning to attend and
> haven't already done so.
>
> I look forward to having you at the session.
>
> Regards. =ppy
> --
>
>
> Peter P. Yim wrote Fri, 21 Apr 2006 00:50:42 -0700:
>
>> *ANNOUNCEMENT*
>>
>> We are pleased to announce that Mr. Jack Park (SRI) and Dr. Patrick
>> Durusau (NCITS/V1) will be presenting to the community on Thursday,
>> April 27, 2006. Their talk is entitled: "Avoiding Hobson's Choice In
>> Choosing An Ontology"
>>
>> This is the 3rd event in our series of talks and discussions the
>> revolve around the topic: "Ontologizing the Ontolog Body of
>> Knowledge" during which this community will explore the "what's" and
>> "how's" to the development of a semantically interoperable
>> application, using the improved access to the content of Ontolog as a
>> case in point.
>>
>
>> *Conference call-in details*:
>>
>> Date: Thursday, Apr. 27, 2006
>> Start Time: 10:30 AM PDT / 1:30 PM EDT / 17:30 UTC
>> (World Time:
>>
>http://www.timeanddate.com/worldclock/fixedtime.html?month=4&day=27&year=2006&hour=10&min=30&sec=0&p1=224)
>
>>
>> Session Duration: ~2 Hours
>> Dial-in Number: +1-641-696-6600 (Iowa)
>> Participant Access Code: "686564#"
>> VNC shared-screen support available
>>
>
>> Topic: *Avoiding Hobson's Choice In Choosing An Ontology*
>>
>
>> *Abstract*: (by Jack Park & Patrick Durusau)
>
>
>> Most users of ontologies have either participated in the development
>> of the ontology they use and/or have used it for such a period of
>> time that they have taken ownership of it. Like a hand that grows to
>> fit a tool, users grow comfortable with "their" ontology and can use
>> another only with difficulty and possibly high error rates.
>>
>> When agencies discuss sharing information, the tendency is to offer
>> other participants a "Hobson's Choice" of ontologies. "Of course we
>> will use ontology X." which just happens to be the ontology of the
>> speaker. Others make similar offers. Much discussion follows. But not
>> very often effective integration of information.
>>
>> In all fairness to the imagined participants in such a discussion,
>> unfamiliar ontologies can lead to errors and/or misunderstandings
>> that may actually impede the interchange, pardon, the accurate
>> interchange information. Super-ontologies don't help much when they
>> lack the granularity needed for real tasks and simply put off the day
>> of reckoning when actual data has to move between agencies.
>>
>> The Topic Maps Reference Model is a paradigm for constructing a
>> mapping of ontologies that enables users to use "their" ontologies
>> while integrating information that may have originated in ontologies
>> that are completely foreign or even unknown to the user. Such
>> mappings can support full auditing of the process of integrating
>> information to enable users to develop a high degree of confidence in
>> the mapping.
>>
>> Topic maps rely upon the fact that every part of an ontology is in
>> fact representing a subject. And the subject that is being
>> represented is known from the properties of those representatives.
>> Such representatives are called subject proxies in the Topic Maps
>> Reference Model. Those properties are used as the basis for
>> determining when two or more subject proxies represent the same
>> subject. Information from two or more representatives of the same
>> subject can be merged together, providing users with information
>> about a subject that may not have been known in their ontology.
>>
>> Park and Durusau explore the philosophical, theoretical and practical
>> steps needed to avoid a Hobson's Choice in ontology discussions and
>> to use the Topic Maps Reference Model to effectively integrate
>> information with a high degree of confidence in the results. All
>> while enabling users to use the ontology that is most familiar and
>> comfortable for them.
>>
>
>> *About the Speakers*:
>
>
>> *Mr. Jack Park* is a research scientist in the AI Laboratory at SRI,
>> International in Menlo Park. He works with Adam Cheyer's integration
>> team on the DARPA-funded CALO project, where he created the prototype
>> from which the team evolved the IRIS desktop knowledge workstation.
>> During employment with VerticalNet, Park served on the XTM Authoring
>> Committee which created the XTM topic maps specification, now a part
>> of the ISO 13250 Topic Maps standard. In a former life, while serving
>> as the president of the American Wind Energy Association, Park was
>> constructing microprocessor-based weather stations used for siting
>> wind energy farms and in agricultural applications. The massive
>> amounts of data being collected by those stations led to
>> investigations into AI applications in data mining and data
>> organization. Ontologies and inference engines naturally followed.
>> Park has crafted Java-based inference engines for a large banking
>> enterprise, a clinical informatics enterprise, and participated in
>> the construction of the VerticalNet B2B ontology editor. Park
>> authored _The Wind Power Book_ in 1981, and co-authored and edited
>> _XML Topic Maps: Creating and Using Topic Maps for the Web_,
>> published in 2002. He has taught university courses in renewable
>> energy resources in the U.S., and lectured on those subjects in the
>> U.S., parts of Europe and Africa. He spends most of his time now
>> evolving applications for subject maps related to the Douglas
>> Engelbart call for continuous improvement of human capabilities.
>
>
>> *Dr. Patrick Durusau* is the Chair of V1, the US Technical Advisory
>> Group (TAG) to ISO/IEC JTC 1/SC 34, the committee responsible for the
>> development of the Topic Maps family of standards. He is a co-editor
>> of ISO 13250-5, the Topic Maps Reference Model. . . . In the Fall of
>> 2006 he will be teaching what is thought to be the first graduate
>> course devoted exclusively to topic maps at the School of Library and
>> Information Science at the University of Illinois at
>> Urbana-Champaign. . . . He is deeply interested in the integration
>> diverse information systems (including ontologies) while preserving
>> the ability of users to identify the subjects of their conversations
>> in ways that work best for them.
>>
>>
>> *Refer to details on the session wiki page at*:
>> http://ontolog.cim3.net/cgi-bin/wiki.pl?ConferenceCall_2006_04_27
>>
>>
>> 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).
>>
>> As usual, this Ontolog event is open to all. I look forward to having
>> you at this session. Please pass the announcement along to those who
>> might be interested to join us too.
>>
>> *RSVP* by by emailing me at <peter.yim@xxxxxxxx> offline.
>>
>>
>> Regards. =ppy
>>
>> Peter P. Yim
>> Co-convener, Ontolog
>
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