W3C home > Mailing lists > Public > semantic-web@w3.org > April 2006

Re: [ontac-forum] Re: Semantic Layers (Was Interpretation of RDF reification)

From: Azamat <abdoul@cytanet.com.cy>
Date: Tue, 4 Apr 2006 10:58:55 +0300
Message-ID: <001501c657bd$9fb802f0$f802960a@az00evbfog6nhh>
To: "Harry Halpin" <hhalpin@ibiblio.org>
Cc: <semantic-web@w3.org>

Harry,

If you try to intelligently challenge somebody's claims, avoid rhetoric and 
digressing into irrelevant topics, but stick to the subject of discussion.

Azamat

----- Original Message ----- 
From: "Harry Halpin" <hhalpin@ibiblio.org>
To: "Azamat" <abdoul@cytanet.com.cy>
Cc: <semantic-web@w3.org>; "Paul S Prueitt" <psp@virtualTaos.net>; 
<danny.ayers@gmail.com>
Sent: Tuesday, April 04, 2006 1:21 AM
Subject: Re: [ontac-forum] Re: Semantic Layers (Was Interpretation of RDF 
reification)


>
> My comments had nothing whatsoever against Bunge personally or his
> formal systems, which I haven't read and am unlikely to anytime soon. In
> my last post you could have replaced "Bunge" with "Azamat" or
> "Aristotle" or anyone else that may have a Unifying Framework Ontology.
> I was just making the point that *any* Unifying Framework Ontology is
> exactly what its acronym stands for - a UFO, an *unidentified flying
> object* that no-one will ever agree on for real-world use. Therefore
> expecting the Semantic Web to build the provide its users with Unifying
> Framework Ontology is an invalid criticism, and also in my opinion UFOs
> are a bad idea that current philosophy and psychology (and most of KR)
> seemed to have given up on a long time ago for reasons re-iterated 
> earlier.
>
> However, if you still think UFOs are a good idea, the Semantic Web gives
> you the formal semantics and language to attempt to define one yourself.
> *Just do it* and stop complaining that the Semantic Web has
> misinterpreted Bunge/you/Paul Prueitt/whatever. I don't think this sort
> of stuff was even on the horizon (again, for good reason I think) when
> things were being standardized. If you wish to build a UFO using RDF and
> OWL, please look at some of the others like DOLCE, and just do it, and
> send everyone an e-mail when it's finished.
>
> In the meantime, in attempt to spare the rest of this listserv, please
> respond to me about UFOs, pragmatics, semiotics, reality models,
> difference and repetition, obscure philosophers, and such *off-list. *
> Please.
>
>               cheers,
>                      harry
> Azamat wrote:
>>
>> Harry,
>>
>> Want to clear some points, which you  are heavily (mis)using in your
>> argumentation with Paul. It seems you somehow missed my comments on
>> Bunge's formal philosophy sent to the ONTAC forum:
>> ''His philosophical position is badly skewed, with tendency to
>> scientific factualism and Quine's nominalism.'' However  formalized,in
>> no way such world scheme can be used as a unifying framework ontology
>> (UFO), although some good computing researchers try to do this. Just
>> sketching the outline of the UFO as a general ontological framework
>> for the Real Web, this reality model consists of the following
>> formative elements:
>>
>> UFO: Lattice (Set) Theory + n-Relational Algebra + Aristotle's
>> Categories, Analytics, Topics, Metaphysics, Physics (Substantial
>> Ontology) + Kant's Ontology (Relational Ontology).
>>
>> Note that the OWL, or rather LWL language, is nothing but an
>> idiosyncratic interpretation of the Topics' notions of ''class'',
>> ''property'', ''individual'', ''definition'', ''statement'',
>> ''sameness'' ''difference'' and ''subsumption'', fully missing the
>> substance and content of any significant universe of discourse, the
>> fundamental ontological classes or predicates. It is quite possible
>> that its authors don't know about this, thinking they created
>> something original.
>>
>> Respects,
>> Azamat Abdoullaev
>>
>> ----- Original Message ----- From: "Harry Halpin" <hhalpin@ibiblio.org>
>> To: "Paul S Prueitt" <psp@virtualTaos.net>
>> Cc: "'Danny Ayers'" <danny.ayers@gmail.com>; "'adasal'"
>> <adam.saltiel@gmail.com>; <semantic-web@w3.org>
>> Sent: Monday, April 03, 2006 6:48 PM
>> Subject: Re: [ontac-forum] Re: Semantic Layers (Was Interpretation of
>> RDF reification)
>>
>>
>>>
>>> You're right - I am missing the point - it's not philosophy. When
>>> arguing against people that believe in the "One Big Ontology" approach
>>> or the "Perfect Design" approach, it's an argument against ideology.
>>> It's like arguing about the existence of God, and about as
>>> productive. :)
>>>
>>> And I'm not arguing against pragmatics per se, I'm arguing against
>>> standardizing notions of pragmatics. Instead, by decentralizing the
>>> creation of ontologies and allowing people to expose data as they see
>>> fit, they will build off their concrete real-life situations and
>>> experiences. Over time, useful abstract ontologies may or may not
>>> emerge. And yes, it is messy making this stuff fit in
>>> RDF/OWL-DL/whatever, but the same would hold with any formalism, period.
>>> And what I am arguing is that if people are supposed to use in a
>>> decentralized manner to build out of one standard centralized ontology
>>> (i.e. Entity/Endurant/whatever) and one that tried to delimit pragmatics
>>> (illocutionary/some bizarre version of control theory/etc) then well,
>>> it's going to *a lot worse.* Give people minimal constraints, not
>>> maximal ones.
>>>
>>> So get around to expressing your pragmatics in OWL-DL or RDF or KIF or
>>> whatever. And then show a real-life use case. Then who knows, nothing
>>> prevents you from standardizing it yourself. Then if enough people use
>>> it, the ISO or W3C could give it their stamp of approval. But to
>>> critique the Semantic Web for not reading (Fill in your favorite
>>> ontology/philosopher here, like Bunge) and standardizing him is kinda
>>> silly, since that would obviously be a case of premature optimization.
>>>
>>> Until then, I'm going to do what I'm sure almost everyone else on this
>>> list-serv is doing, which is ignore this whole thread so I can get some
>>> work done :)
>>>
>>> Paul S Prueitt wrote:
>>>> You miss the point, as most do in the W3C column.
>>>>
>>>> For a discussion of the issue of representation of reality with a
>>>> formal
>>>> system, please review
>>>>
>>>> http://www.bcngroup.org/area3/pprueitt/kmbook/Chapter2.htm
>>>>
>>>> And citations referenced ...
>>>>
>>>> It is not correct to think of this as philosophy.  There are real
>>>> practical
>>>> problems with the notion that formalism (created by knowledge
>>>> engineering
>>>> individuals often without deep insight into domain specific context)
>>>> would
>>>> be found acceptable outside of these (knowledge engineering
>>>> context). BioPax
>>>> is perhaps the best example of good cell and gene signal expression
>>>> ontology
>>>> - and this ontology is designed to take a step towards data sharing
>>>> - not
>>>> designed to explain signal expression.  Again, practical issues
>>>> arise when
>>>> OWL is used in complex situations.  One can work around this, as BioPAX
>>>> does; nicely, but one cannot remove certain issues (related to
>>>> degeneracy of
>>>> entailment in specific instances).
>>>>
>>>> But it is not merely that the wrong community might be designing
>>>> ontology
>>>> for the rest of us, it is that (any) formalism is the result of
>>>> induction.
>>>> In so many cases, what is needed is that the ontological model be
>>>> formative
>>>> in the context of a real situation, now; ie have a pragmatic dimension.
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: Harry Halpin [mailto:hhalpin@ibiblio.org]
>>>> Sent: Monday, April 03, 2006 7:59 AM
>>>> To: Paul S Prueitt
>>>> Cc: 'Danny Ayers'; 'adasal'; semantic-web@w3.org;
>>>> timbl+speaking@w3.org;
>>>> colette.maloney@cec.eu.int
>>>> Subject: Re: [ontac-forum] Re: Semantic Layers (Was Interpretation
>>>> of RDF
>>>> reification)
>>>>
>>>> I'm tempted to suggest that this conversation be moved to
>>>> semantic-web-philosophy@w3.org. I'm also tempted to take a line from
>>>> Pat
>>>> Hayes's argument against TimBL on whether or not a URI addresses a
>>>> single unambiguous thing, and just say "Look, you're not wrong, you're
>>>> just insane"  as regards people who are complaining about the Web
>>>> lacking semiotics/pragmatics/the perfect design/a better syntax :)
>>>>
>>>> The entire point of the Web is that people have can create different
>>>> ontologies, which represent not necessarily agreeing points of view.
>>>> People can and will use different levels of abstractions and want to
>>>> talk about different things in differing manners, even using different
>>>> sorts of syntax. Despite this, by giving them the same formal semantics
>>>> and one naming system (URIs), they can actually use (owl:import) and
>>>> talk about each other.
>>>>
>>>> As soon as anyone says "I invented the *One Perfect Ontology*, and it
>>>> even includes very subjective things like *pragmatics* and *semiotics*,
>>>> so if everyone should use my one ontology and all our problems go away"
>>>> - well, I'd have to say that's a bad and naive idea. Assuming there is
>>>> "The One  Big Ontology" out there we can all use endorses a naive
>>>> logical positivism (a sort of blatantly wrong reading of the Tracatus)
>>>> and this sort of thinking has been ditched by both philosophers and
>>>> psychologists (as well as most ordinary people). There is a giant
>>>> well-documented literature in philosophy and psychology that (no
>>>> surprise) shows our perceptions and abstractions are situation-specific
>>>> - I would recommend the work of Andy Clark for easy-to-read
>>>> introductions. I would say that the same applies to the "Look at My
>>>> Great Design" argument that Sowa was advocating earlier.
>>>>
>>>> So, yes, just implement a standard upper ontology of pragmatics and
>>>> semiotics (in KIF, OWL, whatever) and then e-mail the listserv when it
>>>> actually does something useful using a real-life use-case instead of
>>>> complaining that the Semantic Web doesn't map directly onto it, and
>>>> people will be pleased. You may even win the RDF.net prize!
>>>>
>>>>  But even then it will never solve everyone's KR problems, and the
>>>> entire point of the Semantic Web isn't to endorse "One Big Ontology
>>>> based on Bunge" but to allow people to create their own small
>>>> ontologies
>>>> in a decentralized manner. And that may be a good idea.
>>>>
>>>> Paul S Prueitt wrote:
>>>>
>>>>> You suggest in
>>>>>
>>>>> " The RDF/OWL view doesn't really make a distinction between Upper
>>>>> Level
>>>>> Ontologies and Domain Ontologies, but it has been demonstrated that
>>>>> ULOs
>>>>>
>>>> can
>>>>
>>>>> be expressed in RDF/OW"
>>>>>
>>>>> That there exist upper level ontology that meets all requirement
>>>>> imagined
>>>>>
>>>> in
>>>>
>>>>> Semantic Web language and that it has been demonstrated that this
>>>>> upper
>>>>> level ontology can be expressed in OWL?
>>>>>
>>>>> Is this what you are suggesting?
>>>>>
>>>>>
>>>>>
>>>>> -----Original Message-----
>>>>> From: Danny Ayers [mailto:danny.ayers@gmail.com]
>>>>> Sent: Monday, April 03, 2006 5:50 AM
>>>>> To: ONTAC-WG General Discussion
>>>>> Cc: adasal; John F. Sowa; semantic-web@w3.org; Paul S Prueitt;
>>>>> brian.macklin@cec.eu.int; timbl+speaking@w3.org;
>>>>>
>>>> colette.maloney@cec.eu.int
>>>>
>>>>> Subject: Re: [ontac-forum] Re: Semantic Layers (Was Interpretation
>>>>> of RDF
>>>>> reification)
>>>>>
>>>>> On 4/3/06, Azamat <abdoul@cytanet.com.cy> wrote:
>>>>>
>>>>> Simply put,
>>>>>
>>>>>
>>>>>> we must understand which web (or architectural pillars) most fits the
>>>>>> matter, the formal semantic web (i.e., the syntactic web, known as
>>>>>> the SW
>>>>>> layer cake) or the real semantic web, something like this version:
>>>>>>
>>>>>> <Real Semantic Web> ::= <Ontological Framework> < Logical Framework>
>>>>>> <Semiotics> <the Web>
>>>>>> <Ontological Framework> ::= <UFO> <Upper Level Ontologies> <Domain
>>>>>> Ontologies> <EOL>
>>>>>>
>>>>>> <Logical Framework> ::= <FMF> | < ... > <EOL>
>>>>>>
>>>>>> <Semiotics> ::= <Pragmatics> <Semantics> <Syntax> <EOL>
>>>>>> <Pragmatics> ::= <Users> <Web Agents> <Intentions> <Actions>
>>>>>>
>>>>>>
>>>>> <Communication>
>>>>>
>>>>>
>>>>>> < Proof, Trust> | <Truth> <EOL>
>>>>>>
>>>>>> <Semantics> ::= <Signs, Natural Language Expressions> <Meanings>
>>>>>> <EOL>
>>>>>>
>>>>>> <Syntax> ::= <Rules> <OWL Ontology> <RDF Schema> <RDF M&S> < RDF>
>>>>>>
>>>>>>
>>>>> <XML/SGML>
>>>>>
>>>>>
>>>>>> <Namespaces> <EOL>
>>>>>> <the Web> ::= <Resources, state, representation, identification, URI,
>>>>>> Unicode> <Interaction, sofware agents, hypertext links, protocols,
>>>>>> HTTP>
>>>>>> <data Formats, HTML, XHTML> <EOL>
>>>>>>
>>>>>>
>>>>> I'm neither a philosopher nor logician, so forgive me if sounds naive:
>>>>> how does the above "grammar" conflict with what (if I understand
>>>>> correctly) you are calling the "syntactic web" - i.e. the Semantic Web
>>>>> of the W3C initiative?
>>>>>
>>>>> Ok, there are certainly differences, like here:
>>>>>
>>>>>
>>>>>
>>>>>> <Ontological Framework> ::= <UFO> <Upper Level Ontologies> <Domain
>>>>>> Ontologies> <EOL>
>>>>>>
>>>>>>
>>>>> The RDF/OWL view doesn't really make a distinction between Upper Level
>>>>> Ontologies and Domain Ontologies, but it has been demonstrated that
>>>>> ULOs can be expressed in RDF/OWL.
>>>>>
>>>>> ...here:
>>>>>
>>>>>
>>>>>
>>>>>> <Pragmatics> ::= <Users> <Web Agents> <Intentions> <Actions>
>>>>>>
>>>>>>
>>>>> <Communication>
>>>>>
>>>>>
>>>>>> < Proof, Trust> | <Truth> <EOL>
>>>>>>
>>>>>>
>>>>> and here:
>>>>>
>>>>>
>>>>>
>>>>>> <the Web> ::= <Resources, state, representation, identification, URI,
>>>>>> Unicode> <Interaction, sofware agents, hypertext links, protocols,
>>>>>> HTTP>
>>>>>> <data Formats, HTML, XHTML> <EOL>
>>>>>>
>>>>>>
>>>>> - only half of each of these are explicit in the layer cake, the rest
>>>>> (I would suggest) being implicit parts of the system, e.g. the
>>>>> Semantic Web being an extension of the current Web, the current Web
>>>>> includes HTTP hence the SW includes HTTP. Both feature Users, Agents
>>>>> etc.
>>>>>
>>>>> So it looks to me like your "real semantic web" is the same as the
>>>>> W3C's Semantic Web, but for a few undocumented features in the latter.
>>>>> Where's the problem?
>>>>>
>>>>> Cheers,
>>>>> Danny.
>>>>>
>>>>>
>>>>>
>>>>> -- 
>>>>>
>>>>> http://dannyayers.com
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>> -- 
>>> -harry
>>>
>>> Harry Halpin,  University of Edinburgh
>>> http://www.ibiblio.org/hhalpin 6B522426
>>>
>>>
>>>
>>
>>
>>
>
>
> -- 
> -harry
>
> Harry Halpin,  University of Edinburgh
> http://www.ibiblio.org/hhalpin 6B522426
>
> 
Received on Tuesday, 4 April 2006 08:40:06 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Monday, 7 December 2009 10:44:52 GMT