UoM_Ontology_Standard draft deliverable preview session - Thu 22-Oct-2009
This is a preparation session for our upcoming 30-October-2009 workshop. We expect to preview the draft deliverables that the various champions have put together so far, surface specific issues that may be hampering the drafting work, and do some preliminary alignment, in preparation for a more in-depth discussion during the 30-Oct-2009 full-day workshop.
- Session Chair: Dr. FrankOlken (NSF) & Mr. EdwardBarkmeyer (NIST)
- Briefings from:
- Mr. EdwardBarkmeyer -- (1) Scope Statement (draft); (2) UoM_Ontology_Standard_English_draft
- Mr. DavidLeal - UoM_Ontology_Standard_UML_Model_draft (in absentia)
- Dr. Rob Raskin & Dr. JamesMasters -- UoM_Ontology_Standard_OWL_draft
- Dr. PatHayes -- UoM_Ontology_Standard_CLIF_draft
- Mr. HowardMason -- UoM_Ontology_Standard_OASIS_TC_Charter_draft
- Mr. Joel Bender & Mr. PeterYim -- Workplan (draft) - [ slides ]
- [ Audio Recording of the session ] (mp3) ... (working-in-progress version
- [ Transcript of the online chat session ] during the panel discussion ... coming!
- additional [ Resources ] and follow-up
Conference Call Details
- Date: Thursday, 22-October-2009
- Start Time: 10:30am PDT / 1:30pm EDT / 7:30pm CEST / 6:30pm BST / 17:30 UTC
- see world clock for other time zones
- Expected Call Duration: ~2.5 hours
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- UoM Working Group:
- Wiki workspace: UoM_Ontology_Standard & UoM
- Mailing List:
- message archive is at: http://ontolog.cim3.net/forum/uom-ontology-std/
- to join the list, send a blank email from your subscribing address to <uom-ontology-std-join [at] ontolog.cim3.net> and then follow the instructions emailed to you from the system (make sure that message doesn't get caught by your spam filter, though.)
- Coordination: UoM_Ontology_Standard/GettingOrganized
- shared file repository: http://ontolog.cim3.net/file/work/UoM/
- Version controlled (subversion) file repository and Issue tracking (Trac) workspace - http://uom.emcs.cornell.edu/
- UoM virtual panel session 2009.06.19 - ConferenceCall_2009_06_19
- UoM virtual panel session 2009.06.19 - ConferenceCall_2009_09_24
- Earlier discussion:
- thread starting from: http://ontolog.cim3.net/forum/ontology-summit/2009-06/msg00005.html
- thread starting from: http://ontolog.cim3.net/forum/ontology-summit/2009-05/msg00000.html
- upload your UoM ontologies to the OOR-sandbox at: http://oor-01.cim3.net
- ... if you are coming to the session, please add your name above (plus your affiliation, if you aren't already a member of the community) above; or e-mail <firstname.lastname@example.org> so that we can reserve enough resources to support everyone's participation. ...
Agenda & Proceedings
3. Q & A and Open Discussion (All) -- please refer to process above
Please refer to the archives above
IM Chat Transcript captured during the session
Frank Olken: I expect we will use the same teleconferencing facilities as
usual on Oct. 30. Our audio tech will call into the teleconference
Peter P. Yim: great, ... thanks, Frank
Peter P. Yim: Howard: note: maintenance agency ... registration authority
Frank Olken: I think we want a maintenance agency (which has
discretionary authority to approve new derived units).
Frank Olken: I think the maintenance agency should be something like
Pat Hayes: 1. Should we have a quantity model? Seems to be a majority
agreeing that this is needed. 2. Explicit named units and Q. kinds? We
can't do them all, how many will we do and what do we do about the
others? Eg how do we relate to the UCM list? [Peter: maintenance issue
arises when normative standard is formal. Who adds items to
namespace/base?][Ed: yes, needs an authority or tool which can handle
this. Not impossible and needs to be done. Certainly a scope
issue.][Frank: exist 2 things. Extensions which are derived units,
should be automatic. But also, new named units like 'watts'.] <<much
discussion about mechanisms for administration and registration, etc..
ISO and OASIS both have various mechanisms...>>
Pat Hayes: Should have said, I was scribing Ed's speech above.
Peter P. Yim: thanks, Pat
Pat Hayes: Ed: quantity kinds more promiscuous than units. Do we needs
- kinds* of quantity kinds? Need to choose a level to stop publishing,
this is unbounded in extent.
Joel Bender: Is 'scale' a 'derived unit'?"
Pat Hayes: Ed: scales. Email discussions went nowhere. Do we have scales
as part of the ontology? Unit conversions also an issue (4 so far).
Other issues further out: uncertainty, tolerance. But these are v.
complicated to do 'propoerly'. Do we need to handle these at all, if
only crudely? Chips (eg) does, but its about measurement. Do we want to
go this way?
Pat Hayes: Joel: I don't think so.
Pat Hayes: Ed: measurement is big area, need to bring other organizations
in if we go there, eg UK NPL. Probably can't do it all, but also not
Pat Hayes: Howard: need to consider target market for our ontology, to
focus discussion. XXphilosophy..
Pat Hayes: Ed: priorities. We need to have a time limit, so some things
are prunable. Final point: microtheories: not all extensions are
mutually compatible, possibly. Up to us to provde guidelines for this
Steve Ray: Sorry, had to run to another meeting...
Peter P. Yim: Ed will make an attempt to invite the QUDV leads,
Roger Burkhart (John Deere) & Nicolas Rouquette JPL) to join us on Oct-30
Ed Barkmeyer: Scope: assume quantity, quantity kind, SI named units,
scales, conversion are in, measurement and uncertainty, specification
and tolerance are less clear, it depends on our target audience and use,
available expertise and time.
Ed Barkmeyer: Big issue is extension: how to deal with the infinite list
of quantity kinds and the very large list of derived units.
Ed Barkmeyer: Pat: UML may be all that many will understand, OWL will be
definitive for the Sem Web folk, CLIF is really the hard form for people
committed to axiomatic definition and FOL reasoners.
Ed Barkmeyer: Pat: there are other reasons to use CLIF -- it allows
simpler consistent formulations of some complex notions
Ed Barkmeyer: Frank and Pat discussed concerns about the arithmetic, use
of functions like sine or square root. Pat: we want to stay away from
floating point and arithmetic error.
Ed Barkmeyer: The OWL folk have defined the datatype to be xsd:double,
i.e., IEEE 754 numbers.
Ed Barkmeyer: Pat: we want to assume mathematically exact numbers and
avoid computational issues. Yes, actual uses may have some problems if
the values and computations exercise the fringes of the computational
behaviors. (Ed: the common problem is just that decimal fractions (the
heart of metric) don't have exact binary renditions.)
Peter P. Yim: Howard: sending our draft TC charter to Jamie and inviting him
to do a 5 min. OASIS-101
Peter P. Yim: @Howard - please consider the proposal of "QUoM" (as an
alternative to "QUOMOS")
Peter P. Yim: Joel: workplan slides -
Pat Hayes: I also have to leave for another call. Peter, email me if you
have any, er, tickets for me.
Joel Bender: thank you
Peter P. Yim: ref. getting buy-in from the standard bearers (e.g. BIPM) -
Steve & Howard making advances on those fronts; Ed feels we will be more
ready when we have a draft standard; Pat suggest using the now popular
notion of "Linked Data" to position ourselves
Peter P. Yim: great meeting, thanks, everyone
-- session ended: 2009.10.22-12:27pm PDT --
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For the record ...
How To Join (while the session is in progress)
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