Re: RDF Semantics for literals

2015-02-21 Thread Pat Hayes
On Feb 21, 2015, at 2:07 PM, Michael Brunnbauer bru...@netestate.de wrote: Hello Pat, On Sat, Feb 21, 2015 at 11:05:45AM -0600, Pat Hayes wrote: Um... what about any of those statements: rdfs:Resource rdfs:subClassOf rdf:langString rdfs:Resource rdfs:subClassOf xsd:string

Re: RDF Semantics for literals

2015-02-21 Thread Pat Hayes
On Feb 21, 2015, at 3:04 AM, Michael Brunnbauer bru...@netestate.de wrote: Hello Pat, On Fri, Feb 20, 2015 at 11:45:12AM -0600, Pat Hayes wrote: How do you bring this in line with property rdfs:range datatype, especially property rdfs:range rdf:langString? Um... what about any

Re: Microsoft Access for RDF?

2015-02-21 Thread Pat Hayes
On Feb 21, 2015, at 12:01 PM, Kingsley Idehen kide...@openlinksw.com wrote: On 2/21/15 9:48 AM, Martynas Jusevičius wrote: On Fri, Feb 20, 2015 at 6:41 PM, Kingsley Idehen kide...@openlinksw.com wrote: On 2/20/15 12:04 PM, Martynas Jusevičius wrote: Not to criticize, but to seek

Re: Microsoft Access for RDF?

2015-02-20 Thread Pat Hayes
On Feb 20, 2015, at 2:42 AM, Michael Brunnbauer bru...@netestate.de wrote: Hello Paul, On Thu, Feb 19, 2015 at 09:19:06PM +0100, Michael Brunnbauer wrote: Another case is where there really is a total ordering. For instance, the authors of a scientific paper might get excited if you

Re: How to model valid time of resource properties?

2014-10-17 Thread Pat Hayes
On Oct 17, 2014, at 6:34 AM, Kingsley Idehen kide...@openlinksw.com wrote: On 10/17/14 12:00 AM, Pat Hayes wrote: Kingsley, greetings. It is important to keep a clear distinction between what temporal DB calls valid time and transaction time. T-time is when the record was inserted

Re: How to model valid time of resource properties?

2014-10-16 Thread Pat Hayes
judgements about inheritance, etc.. Better to not get this confused in the first place, especially as the distinciton has been carefully worked out already. Pat Hayes On Oct 16, 2014, at 7:00 AM, Kingsley Idehen kide...@openlinksw.com wrote: On 10/16/14 3:33 AM, John Walker wrote: Hi Kingsley

Re: Alternative Linked Data principles

2014-04-28 Thread Pat Hayes
' chaH. Pat Hayes On Apr 28, 2014, at 10:23 AM, Luca Matteis lmatt...@gmail.com wrote: The current Linked Data principles rely on specific standards and protocols such as HTTP, URIs and RDF/SPARQL. Because I think it's healthy to look at things from a different prospective, I was wondering

Re: How to avoid that collections break relationships

2014-04-13 Thread Pat Hayes
On Apr 13, 2014, at 6:10 AM, Luca Matteis lmatt...@gmail.com wrote: On Sun, Apr 13, 2014 at 3:07 AM, Peter F. Patel-Schneider pfpschnei...@gmail.com wrote: RDF includes a meaning for triples. I think this is your biggest misconception. RDF does not include any meaning of anything. Well,

Re: Inference for error checking [was Re: How to avoid that collections break relationships]

2014-04-02 Thread Pat Hayes
On Mar 31, 2014, at 10:31 AM, David Booth da...@dbooth.org wrote: On 03/30/2014 03:13 AM, Pat Hayes wrote: [ , . . ] What follows from knowing that ppp schema:domainIncludes ccc . ? Suppose you know this and you also know that x ppp y . Can you infer x rdf:type ccc? I presume

Re: How to avoid that collections break relationships

2014-03-30 Thread Pat Hayes
On Mar 29, 2014, at 8:10 PM, Peter F. Patel-Schneider pfpschnei...@gmail.com wrote: On 03/29/2014 03:30 PM, Markus Lanthaler wrote: On Wednesday, March 26, 2014 5:26 AM, Pat Hayes wrote: Hmm. I would be inclined to violate IRI opacity at this point and have a convention that says that any

Re: Is the same video but in different encodings the owl:sameAs?

2013-12-04 Thread Pat Hayes
, that is the *official* semantics. Pat Hayes Thanks, Tom -- Thomas Steiner, Employee, Google Inc. http://blog.tomayac.com, http://twitter.com/tomayac -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.12 (GNU/Linux) iFy0uwAntT0bE3xtRa5AfeCheCkthAtTh3reSabiGbl0ck0fjumBl3DCharaCTersAttH3b0ttom.hTtP5

Re: Which datatype to use for time intervals

2013-11-12 Thread Pat Hayes
the W3C to create a datatype :-) Pat Hayes On Nov 12, 2013, at 9:42 AM, Svensson, Lars l.svens...@dnb.de wrote: All, Milorad wrote: I was wandering maybe someone have any advice how to approach modeling the following construction that is in my opinion closely related to your question but stated

Re: Matching same ressources but with varying URL schemes (http / https)

2013-07-04 Thread Pat Hayes
On Jul 4, 2013, at 1:12 PM, Aidan Hogan wrote: On 04/07/2013 17:45, Kingsley Idehen wrote: On 7/4/13 11:49 AM, Olivier Berger wrote: snip to Olivier's question: For instance, I'd like to match as identical two doap:Projects resources which have same doap:homepage if I can match

Re: RDF Investigations

2013-06-25 Thread Pat Hayes
On Jun 25, 2013, at 1:36 PM, Gregg Reynolds wrote: On Mon, Jun 24, 2013 at 11:02 PM, Pat Hayes pha...@ihmc.us wrote: ...snip Well, its a formal, artificial, language, and it comes with a semantics as part of its definition. Just like many other logics in many logic textbooks, many

Re: RDF Investigations

2013-06-24 Thread Pat Hayes
On Jun 23, 2013, at 11:49 AM, Gregg Reynolds wrote: Hi folks, A couple of years ago I got the idea of finding alternatives to the official definition of RDF, especially the semantics. I've always found the official docs less than crystal clear, and have always harbored the suspicion that

Re: RDF Investigations

2013-06-24 Thread Pat Hayes
On Jun 24, 2013, at 2:07 PM, Gregg Reynolds wrote: On Mon, Jun 24, 2013 at 9:32 AM, Pat Hayes pha...@ihmc.us wrote: Hi, and thanks for the comments. FYI I have some draft articles in the can that will add clarity and detail, I hope. In the meantime ... On Jun 23, 2013, at 11:49 AM

Re: Linked Data discussions require better communication

2013-06-20 Thread Pat Hayes
On Jun 20, 2013, at 11:54 AM, Giovanni Tummarello wrote: My 2c is .. i agree with kingsley diagram , linked data should be possible without RDF (no matter serialization) :) however this is different from previous definitions i think its a step forward.. but it is different from

Re: Linked Data discussions require better communication

2013-06-20 Thread Pat Hayes
Kingsley, long story short, what you mean when you say linked data is not exactly what most other people mean when they say those words. Your understanding of what they mean is much wider and more all-encompassing than the common meaning. Personally, I see what you are getting at and (I think)

Re: Representing NULL in RDF

2013-06-13 Thread Pat Hayes
Berners-Lee wrote: On 2013-06 -10, at 19:48, Steve Harris wrote: On 2013-06-09, at 20:36, Pat Hayes pha...@ihmc.us wrote: ... ***- value uknown (it should be there but the source doesn't know it)*** Actually that piece of information could be written down in a RDF Schema graph like

Re: RDF's challenge

2013-06-11 Thread Pat Hayes
On Jun 11, 2013, at 11:18 AM, Kingsley Idehen wrote: On 6/11/13 11:56 AM, David Booth wrote: On 06/11/2013 10:59 AM, Kingsley Idehen wrote: [ . . . ] many RDF advocates want to conflate Linked Data and RDF. This is technically wrong, and marketing wise -- an utter disaster. I have not

Re: Representing NULL in RDF

2013-06-11 Thread Pat Hayes
?) Pat ; unless you can use something like N3. Sven Von: Pat Hayes Gesendet: ‎Dienstag‎, ‎11‎. ‎Juni‎ ‎2013 ‎00‎:‎00 An: Sven R. Kunze On Jun 10, 2013, at 2:15 PM, Sven R. Kunze wrote: 2) - value uknown (it should be there but the source doesn't know it) Actually that piece

Re: Representing NULL in RDF

2013-06-09 Thread Pat Hayes
node: :a :p _:x . Pat Hayes #schema :A a rdfs:Class. :p a rdf:Property; a rdfs:RequiredProperty; rdfs:domain :A. #instance :x a :A; :p :y. # :x is carries required property :z a :A. # :z does not carry required property Point here is, that instances cannot decide whether

Re: Representing NULL in RDF

2013-06-05 Thread Pat Hayes
On Jun 4, 2013, at 5:31 AM, Jan Michelfeit wrote: Hi, NULL most often simply represents that the value is not known, in my experience So another conclusion of this discussion can be that unknown is the most sensible default interpretation if the triple is not there and there is no

Re: Representing NULL in RDF

2013-06-03 Thread Pat Hayes
On Jun 3, 2013, at 10:28 AM, Panzer,Michael wrote: Hi David, I don't believe this is quite right, as RDF semantics make no assumptions about what the absence of a proposition/statement means. Well, actually it does. Absence of a proposition means exactly that its truthvalue is

Re: invitation to try ImageSnippets

2013-04-30 Thread Pat Hayes
wrote: Hello Yusniel, Pat Hayes and I have published a paper related to the small lightweight ontology that we use for describing the images within the application, though we have now deviated somewhat from some of our initial thoughts described in that paper. I could still send you

Re: invitation to try ImageSnippets

2013-04-30 Thread Pat Hayes
Kingsley OK, I get it. Yes, we can add this. Thanks for the feedback. Pat On Apr 30, 2013, at 12:28 PM, Kingsley Idehen wrote: On 4/30/13 11:28 AM, Pat Hayes wrote: Hi KIngsley Where would you suggest putting the rdfs:isDefinedBy links? If they are in the ontology, then presumably

Re: Important Change to HTTP semantics re. hashless URIs

2013-03-24 Thread Pat Hayes
On Mar 24, 2013, at 12:39 PM, Kingsley Idehen wrote: All, Here is a key HTTP enhancement from Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content note from IETF [1]. 4. If the response has a Content-Location header field and its field-value is a reference to a URI

Re: Current agreement upon named graphs

2012-11-12 Thread Pat Hayes
On Nov 9, 2012, at 11:20 AM, Richard Cyganiak wrote: Hi Paul, On 9 Nov 2012, at 15:44, Paul Gearon wrote: Triples don't belong to a graph per se, but in general it's fine for the same triple to appear in more than one graph. True. The exception to this is for those triples that

Re: Temporal analysis or RDF graph data

2012-10-31 Thread Pat Hayes
to indicate the associated time (there are several ways to do this, you might want to invent your own.) Pat Hayes Thanks, Vishal IHMC (850)434 8903 or (650)494 3973 40 South Alcaniz St

Re: NIR SIDETRACK Re: Change Proposal for HttpRange-14

2012-03-30 Thread Pat Hayes
On Mar 27, 2012, at 6:59 AM, Danny Ayers wrote: This seems an appropriate place for me to drop in my 2 cents. I like the 303 trick. People that care about this stuff can use it (and appear to be doing so), but it doesn't really matter too much that people that don't care don't use it. It

Re: Change Proposal for HttpRange-14

2012-03-27 Thread Pat Hayes
? Nothing, and let's face it. The http-range-14 rule provides an answer to this which seems reasonably intuitive. Wonder if it can be the same Pat Hayes writing this as the one who wrote six years ago In Defence of Ambiguity :) http://www.ibiblio.org/hhalpin/irw2006/presentations

Re: What would break? Re: httpRange-14

2012-03-26 Thread Pat Hayes
On Mar 26, 2012, at 12:27 PM, Tim Berners-Lee wrote: On 2012-03 -26, at 06:18, Leigh Dodds wrote: I may be misreading you here, but I'm not against unambiguous definition. My show what is actually broken comment (on twitter) was essentially the same question as I've asked here before,

Re: Change Proposal for HttpRange-14

2012-03-24 Thread Pat Hayes
On Mar 24, 2012, at 5:28 AM, Dan Brickley wrote: On 23 March 2012 14:33, Pat Hayes pha...@ihmc.us wrote: On Mar 23, 2012, at 8:52 AM, Jonathan A Rees wrote: I am a bit dismayed that nobody seems to be picking up on the point I've been hammering on (TimBL and others have also pointed

Re: Change Proposal for HttpRange-14

2012-03-23 Thread Pat Hayes
On Mar 23, 2012, at 8:52 AM, Jonathan A Rees wrote: I am a bit dismayed that nobody seems to be picking up on the point I've been hammering on (TimBL and others have also pointed it out), that, as shown by the Flickr and Jamendo examples, the real issue is not an IR/NIR type distinction, but

Re: Change Proposal for HttpRange-14

2012-03-23 Thread Pat Hayes
I am sympathetic, but... On Mar 23, 2012, at 9:59 AM, Dave Reynolds wrote: On 23/03/12 14:33, Pat Hayes wrote: On Mar 23, 2012, at 8:52 AM, Jonathan A Rees wrote: I am a bit dismayed that nobody seems to be picking up on the point I've been hammering on (TimBL and others have also

Re: Modelling colors

2012-01-25 Thread Pat Hayes
On Jan 25, 2012, at 3:15 PM, Melvin Carvalho wrote: I see hasColor a lot in the OWL documentation but I was trying to work out a way to say something has a certain color. I understand linked open colors was a joke Anyone know of an ontology with color or hasColor as a predicate?

Semantic Web Developers needed.

2011-06-18 Thread Pat Hayes
are Margaret Warren and Pat Hayes, working in the eastern Gulf coast-NW Florida area (New Orleans, Mobile, Pensacola, Tallahassee, Atlanta). Ideally a candidate would live close enough for regular contact, but remote connection is a possibility. Send resume and enquiries to m...@carmapro.com

Re: Squaring the HTTP-range-14 circle [was Re: Schema.org in RDF ...]

2011-06-18 Thread Pat Hayes
Really (sorry to keep raining on the parade, but) it is not as simple as this. Look, it is indeed easy to not bother distinguishing male from female dogs. One simply talks of dogs without mentioning gender, and there is a lot that can be said about dogs without getting into that second topic.

Re: Squaring the HTTP-range-14 circle

2011-06-17 Thread Pat Hayes
On Jun 17, 2011, at 6:35 AM, Dave Reynolds wrote: [As an aside, I would claim that most reviews are in fact about things - restaurants, books, music - not about the web pages.] Or about the weather in Oacala, for example. Pat Dave

Re: Squaring the HTTP-range-14 circle [was Re: Schema.org in RDF ...]

2011-06-16 Thread Pat Hayes
On Jun 15, 2011, at 7:36 PM, Danny Ayers wrote: On 15 June 2011 18:30, Pat Hayes pha...@ihmc.us wrote: Boy, that is a humdinger of a non-sequiteur. Given that HTTP has flexibility, it is OK to identify a description of a thing with the actual thing? To me that sounds like saying, given

Re: Squaring the HTTP-range-14 circle [was Re: Schema.org in RDF ...]

2011-06-16 Thread Pat Hayes
On Jun 15, 2011, at 8:27 PM, Danny Ayers wrote: On 16 June 2011 02:26, Pat Hayes pha...@ihmc.us wrote: If you agree with Danny that a description can be a substitute for the thing it describes, then I am waiting to hear how one of you will re-write classical model theory to accommodate

Re: Squaring the HTTP-range-14 circle [was Re: Schema.org in RDF ...]

2011-06-16 Thread Pat Hayes
Korzybski. I'd prefer they actually read him, though I won't hold my breath. Sorry to bother you by using a very long foreign name. Pat On 6/15/2011 6:26 PM, Pat Hayes wrote: On Jun 15, 2011, at 1:35 PM, Jason Borro wrote: I agree with your sentiments Danny, fwiw. The current scheme

Re: Squaring the HTTP-range-14 circle [was Re: Schema.org in RDF ...]

2011-06-16 Thread Pat Hayes
On Jun 16, 2011, at 4:38 AM, Richard Cyganiak wrote: On 16 Jun 2011, at 07:05, Alan Ruttenberg wrote: I think that we are beyond the point where that kind of extremely idealised account is useful for evaluating web technologies. We will agree to disagree then. Perhaps in another thread

Re: Squaring the HTTP-range-14 circle [was Re: Schema.org in RDF ...]

2011-06-15 Thread Pat Hayes
On Jun 15, 2011, at 1:35 PM, Jason Borro wrote: I agree with your sentiments Danny, fwiw. The current scheme is a burden on publishers for the sake of a handful of applications that wish to refer to these information resources themselves, making them unable to talk about Web pages using

Re: Squaring the HTTP-range-14 circle [was Re: Schema.org in RDF ...]

2011-06-13 Thread Pat Hayes
On Jun 13, 2011, at 1:51 PM, William Waites wrote: * [2011-06-12 22:52:18 -0700] Pat Hayes pha...@ihmc.us écrit: ] OK, I am now completely and utterly lost. I have no idea what you ] are saying or how any of it is relevant to the http-range-14 issue. ] Want to try running it past me again

Re: Schema.org in RDF ...

2011-06-12 Thread Pat Hayes
On Jun 12, 2011, at 7:36 AM, Richard Cyganiak wrote: On 12 Jun 2011, at 00:51, Pat Hayes wrote: Well, I am sympathetic to not defending HTTP-range-14 and nobody ever, ever again even mentioning information resource, but I don't think we can just make this go away by ignoring it. What do we

Re: Schema.org in RDF ...

2011-06-12 Thread Pat Hayes
On Jun 12, 2011, at 11:12 AM, Richard Cyganiak wrote: On 12 Jun 2011, at 18:34, Pat Hayes wrote: What do we say when the range of a property is supposed to be, say, people, but its considered OK to insert a string to stand in place of the person? Well, I can define a class that contains

Re: Squaring the HTTP-range-14 circle [was Re: Schema.org in RDF ...]

2011-06-12 Thread Pat Hayes
On Jun 12, 2011, at 4:13 PM, Danny Ayers wrote: (there will be some isomorphism between a thing and a description of a thing, right? Absolutely not. Descriptions are not in any way isomorphic to the things they describe. (OK, some 'diagrammatic' representations can be claimed to be, eg

Re: Schema.org in RDF ...

2011-06-11 Thread Pat Hayes
On Jun 11, 2011, at 9:55 AM, Richard Cyganiak wrote: All, Thanks for the thoughtful feedback regarding schema.rdfs.org, both here and off-list. This is a collective response to various arguments brought up. I'll paraphrase the arguments. ... Nothing is gained from the range

Re: Schema.org in RDF ...

2011-06-11 Thread Pat Hayes
On Jun 11, 2011, at 10:55 AM, Alan Ruttenberg wrote: On Sat, Jun 11, 2011 at 12:55 PM, Richard Cyganiak rich...@cyganiak.de wrote: That's a good point. The problem is that xsd:string is too narrow and rdfs:Literal is too broad. RDF 1.1 is likely to define a class of all string literals

Re: Schema.org in RDF ...

2011-06-11 Thread Pat Hayes
On Jun 11, 2011, at 12:20 PM, Richard Cyganiak wrote: ... It's just that the schema.org designers don't seem to care much about the distinction between information resources and angels and pinheads. This is the prevalent attitude outside of this mailing list and we should come to terms

Re: issues naming/deploying data

2011-03-02 Thread Pat Hayes
On Mar 2, 2011, at 4:57 PM, Kingsley Idehen wrote: On 3/2/11 4:56 PM, Nathan wrote: Hi All, There are certain practical issues relating to how you name things, httpRange-14 and the well covered 303/# ground. I'm wondering, are there any more problems like this people have

Re: Role of URI and HTTP in Linked Data

2010-11-11 Thread Pat Hayes
On Nov 11, 2010, at 8:00 AM, David Booth wrote: On Thu, 2010-11-11 at 07:23 +0100, Jiří Procházka wrote: [ . . . ] I think it is flawed trying to enforce URI == 1 thing Exactly right. The URI == 1 thing notion is myth #1 in Resource Identity and Semantic Extensions: Making Sense of

Re: Role of URI and HTTP in Linked Data

2010-11-11 Thread Pat Hayes
On Nov 11, 2010, at 8:42 AM, Kingsley Idehen wrote: On 11/11/10 9:00 AM, David Booth wrote: On Thu, 2010-11-11 at 07:23 +0100, Jiří Procházka wrote: [ . . . ] I think it is flawed trying to enforce URI == 1 thing Exactly right. The URI == 1 thing notion is myth #1 in Resource Identity and

Re: Is 303 really necessary?

2010-11-05 Thread Pat Hayes
On Nov 5, 2010, at 7:38 AM, Dave Reynolds wrote: On Fri, 2010-11-05 at 12:11 +, Norman Gray wrote: Greetings, On 2010 Nov 4, at 13:22, Ian Davis wrote: http://iand.posterous.com/is-303-really-necessary I haven't been aware of the following formulation of Ian's problem+solution

Re: Is 303 really necessary?

2010-11-05 Thread Pat Hayes
On Nov 5, 2010, at 7:52 AM, Nathan wrote: Dave Reynolds wrote: On Fri, 2010-11-05 at 12:11 +, Norman Gray wrote: Greetings, On 2010 Nov 4, at 13:22, Ian Davis wrote: http://iand.posterous.com/is-303-really-necessary I haven't been aware of the following formulation of Ian's

Re: 200 OK with Content-Location might work: But maybe it can be simpler?

2010-11-05 Thread Pat Hayes
On Nov 5, 2010, at 1:23 PM, Nathan wrote: Mike Kelly wrote: On Fri, Nov 5, 2010 at 5:33 PM, Antoine Zimmermann antoine.zimmerm...@insa-lyon.fr wrote: Le 05/11/2010 18:25, Giovanni Tummarello a écrit : How about something that's totally independant from HEADER issues? think normal people

Re: Correct Usage of rdfs:idDefinedBy in Vocabulary Specifications with a Hash-based URI Pattern

2010-10-22 Thread Pat Hayes
algorithms than pieces of code. Pat Hayes A module is a kind of document, so is ontology. So, owl:Ontology rdfs:subClassOf foaf:Document ! Well, this is a theory. If there's a common practice of using '#'-ending URI for ontologies, maybe we should accept it. No strong opinion. Wasn't

Re: XRI and XDI

2010-10-18 Thread Pat Hayes
FWIW, the Oasis page http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=xdi has this on it: The XDI TC has developed a new RDF based model... which suggests that it now is not being proposed as an alternative to RDF, anyway. Pat On Oct 18, 2010, at 10:25 AM, Harry Halpin wrote:

Re: Subjects as Literals

2010-07-08 Thread Pat Hayes
On Jul 6, 2010, at 4:02 PM, Nathan wrote: Pat Hayes wrote: However, before I lose any more of my SW friends, let me say at once that I am NOT arguing for this change to RDF. so after hundreds of emails, I have to ask - what (the hell) defines RDF? Well, the current specs do

Re: Subjects as Literals

2010-07-08 Thread Pat Hayes
On Jul 6, 2010, at 9:23 PM, David Booth wrote: On Tue, 2010-07-06 at 20:45 +0200, Henry Story wrote: [ . . . ] foaf:knows a rdf:Property . Well we can dereference foaf:knows to find out what it means. This is the canonical way to find it's meaning, and is the initial procedure we should

Re: Subjects as Literals

2010-07-08 Thread Pat Hayes
On Jul 6, 2010, at 9:51 PM, Sampo Syreeni wrote: On 2010-07-05, Pat Hayes wrote: This objection strikes me as completely wrong-headed. Of course literals are machine processable. What precisely does Sampo as a plain literal mean to a computer? Do give me the fullest semantics you can

Re: RDF Extensibility

2010-07-08 Thread Pat Hayes
On Jul 7, 2010, at 6:57 AM, Toby Inkster wrote: On Tue, 6 Jul 2010 16:11:19 -0500 Pat Hayes pha...@ihmc.us wrote: The world doesn't have facts like that in it. Classes and properties are intellectual constructs, not the stuff of reality. Hell, if a particle can be a wave, then surely a class

Re: RDF Extensibility

2010-07-08 Thread Pat Hayes
. Words like 'support' beg the question. Pat Hayes Reto IHMC (850)434 8903 or (650)494 3973 40 South Alcaniz St. (850)202 4416 office Pensacola(850)202 4440

Re: RDF Extensibility

2010-07-08 Thread Pat Hayes
On Jul 8, 2010, at 2:28 PM, Toby Inkster wrote: On Thu, 8 Jul 2010 12:16:06 -0500 Pat Hayes pha...@ihmc.us wrote: I would veto this option. To do this would be a lot more work than not doing it; and it would greatly complicate the semantic specification, which would have to keep track

Re: Subjects as Literals

2010-07-06 Thread Pat Hayes
On Jul 6, 2010, at 2:05 AM, Toby Inkster wrote: On Mon, 5 Jul 2010 17:43:17 -0500 Pat Hayes pha...@ihmc.us wrote: Well, nobody is suggesting allowing literals as predicates (although in fact the RDF semantics would easily extend to this usage, if required, and the analogous structures

Re: RDF Extensibility

2010-07-06 Thread Pat Hayes
On Jul 6, 2010, at 9:34 AM, Jiří Procházka wrote: On 07/06/2010 03:35 PM, Toby Inkster wrote: On Tue, 6 Jul 2010 14:03:19 +0200 Michael Schneider schn...@fzi.de wrote: So, if :s lit :o . must not have a semantic meaning, what about lit rdf:type rdf:Property . ? As, according to

Re: RDF Extensibility

2010-07-06 Thread Pat Hayes
On Jul 6, 2010, at 10:03 AM, Dan Brickley wrote: 2010/7/6 Jiří Procházka oji...@gmail.com: On 07/06/2010 03:35 PM, Toby Inkster wrote: On Tue, 6 Jul 2010 14:03:19 +0200 Michael Schneider schn...@fzi.de wrote: So, if :s lit :o . must not have a semantic meaning, what about lit

Re: Subjects as Literals

2010-07-06 Thread Pat Hayes
On Jul 6, 2010, at 1:45 PM, Henry Story wrote: On 6 Jul 2010, at 14:03, Michael Schneider wrote: Toby Inkster: On Mon, 5 Jul 2010 17:43:17 -0500 Pat Hayes pha...@ihmc.us wrote: Well, nobody is suggesting allowing literals as predicates (although in fact the RDF semantics would easily

Re: Subjects as Literals

2010-07-05 Thread Pat Hayes
this, to reject a widely accepted standard, and advocate reversion to a home- made URI scheme seems to me to be blatantly irresponsible. Pat Hayes IHMC (850)434 8903 or (650)494 3973 40 South Alcaniz St

Re: Show me the money - (was Subjects as Literals)

2010-07-02 Thread Pat Hayes
Well, N3 is just predicate logic done badly. If we want to move in that direction, I would vastly prefer extending RDF to ISO Common Logic, or something based on it. Pat On Jul 2, 2010, at 2:45 AM, Nathan wrote: Ian Davis wrote: On Fri, Jul 2, 2010 at 4:44 AM, Pat Hayes pha...@ihmc.us

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-07-02 Thread Pat Hayes
On Jul 2, 2010, at 6:52 AM, Kingsley Idehen wrote: Pat Hayes wrote: On Jul 1, 2010, at 9:42 AM, Kingsley Idehen wrote: Pat Hayes wrote: On Jun 30, 2010, at 3:49 PM, Kingsley Idehen wrote: Pat Hayes wrote: On Jun 30, 2010, at 1:30 PM, Kingsley Idehen wrote: Nathan wrote: Pat Hayes

Re: RDF and its discontents

2010-07-02 Thread Pat Hayes
. Alternately, data partitioning and data validation is really important for me, so I need something that has some of the nature of an RDMS schema. Of course, I can get some of this by applying my own hermeneutics to OWL and adding some features Again, details would be wonderful. Pat Hayes

Re: Subjects as Literals

2010-07-02 Thread Pat Hayes
On Jul 2, 2010, at 11:06 AM, Paul Gearon wrote: On Fri, Jul 2, 2010 at 8:34 AM, Pat Hayes pha...@ihmc.us wrote: On Jul 2, 2010, at 7:27 AM, Paul Gearon wrote: While this may be possible, you've promoted owl:sameAs to have a true semantic relationship at this level. You're treating

Re: The Ordered List Ontology

2010-07-01 Thread Pat Hayes
On Jun 30, 2010, at 6:24 PM, Harry Halpin wrote: On Wed, Jun 30, 2010 at 8:17 PM, Pat Hayes pha...@ihmc.us wrote: On Jun 30, 2010, at 1:15 PM, Dan Brickley wrote: On Wed, Jun 30, 2010 at 6:34 PM, Pat Hayes pha...@ihmc.us wrote: On Jun 30, 2010, at 6:45 AM, Toby Inkster wrote: On Wed

Re: Subjects as Literals

2010-07-01 Thread Pat Hayes
On Jul 1, 2010, at 10:12 AM, Robert Sanderson wrote: On Wed, Jun 30, 2010 at 9:14 PM, Pat Hayes pha...@ihmc.us wrote: 3. Dates represented as character strings in some known date format other than XSD can be asserted to be the same as a 'real' date by writing things like 01-02-1481

Re: The Ordered List Ontology

2010-07-01 Thread Pat Hayes
On Jul 1, 2010, at 2:16 AM, Sandro Hawke wrote: Well, JSON is a syntax for serializing some kinds of data used in programming languages; it's not a programming language itself. I expect W3C will be doing some more work in bridging RDF and JSON soon; my most recent (unofficial)

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-07-01 Thread Pat Hayes
On Jul 1, 2010, at 3:38 AM, Henry Story wrote: On 30 Jun 2010, at 21:09, Pat Hayes wrote: For example I've heard people saying that it encourages bad 'linked data' practise by using examples like { 'London' a x:Place } - whereas I'd immediately counter with { x:London a 'Place

Re: Subjects as Literals

2010-07-01 Thread Pat Hayes
way to make progress, IMO. Although, I believe that there are still people using COBOL, so you may have a point. Pat Hayes - Steve -- Steve Harris, Garlik Limited 1-3 Halford Road, Richmond, TW10 6AW, UK +44 20 8439 8203 http://www.garlik.com/ Registered in England and Wales 535 7233 VAT

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-07-01 Thread Pat Hayes
On Jul 1, 2010, at 9:42 AM, Kingsley Idehen wrote: Pat Hayes wrote: On Jun 30, 2010, at 3:49 PM, Kingsley Idehen wrote: Pat Hayes wrote: On Jun 30, 2010, at 1:30 PM, Kingsley Idehen wrote: Nathan wrote: Pat Hayes wrote: On Jun 30, 2010, at 6:45 AM, Toby Inkster wrote: On Wed, 30 Jun

Re: Show me the money - (was Subjects as Literals)

2010-07-01 Thread Pat Hayes
On Jul 1, 2010, at 2:03 PM, Tim Finin wrote: On 7/1/10 2:51 PM, Henry Story wrote: ... So just as a matter of interest, imagine a new syntax came along that allowed literals in subject position, could you not write a serialiser for it that turned 123 length 3 . Into _:b owl:sameAs 123;

Re: Show me the money - (was Subjects as Literals)

2010-07-01 Thread Pat Hayes
Hey, guys. It is perfectly fine to use OWL properties in RDF. The RDF specs actually encourage this kind of semantic borrowing, it was always part of the RDF design to have this happen. So no need to have a version of owl:sameAs in the RDFS namespace. Just use the OWL one. Pat On Jul 1,

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-07-01 Thread Pat Hayes
On Jul 2, 2010, at 12:07 AM, Nathan wrote: Pat Hayes wrote: On Jul 1, 2010, at 11:49 PM, Nathan wrote: Pat Hayes wrote: On Jul 1, 2010, at 11:18 AM, Yves Raimond wrote: A literal may be the object of an RDF statement, but not the subject or the predicate. Just to clarify

Re: Show me the money - (was Subjects as Literals)

2010-07-01 Thread Pat Hayes
On Jul 2, 2010, at 12:29 AM, Paul Gearon wrote: Hi Pat, On Thu, Jul 1, 2010 at 9:52 PM, Pat Hayes pha...@ihmc.us wrote: Hey, guys. It is perfectly fine to use OWL properties in RDF. The RDF specs actually encourage this kind of semantic borrowing, it was always part of the RDF design

Re: The Ordered List Ontology

2010-06-30 Thread Pat Hayes
On Jun 30, 2010, at 6:45 AM, Toby Inkster wrote: On Wed, 30 Jun 2010 10:54:20 +0100 Dan Brickley dan...@danbri.org wrote: That said, i'm sure sameAs and differentIndividual (or however it is called) claims could probably make a mess, if added or removed... You can create some pretty

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-06-30 Thread Pat Hayes
On Jun 30, 2010, at 11:50 AM, Nathan wrote: Pat Hayes wrote: On Jun 30, 2010, at 6:45 AM, Toby Inkster wrote: On Wed, 30 Jun 2010 10:54:20 +0100 Dan Brickley dan...@danbri.org wrote: That said, i'm sure sameAs and differentIndividual (or however it is called) claims could probably make

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-06-30 Thread Pat Hayes
On Jun 30, 2010, at 1:30 PM, Kingsley Idehen wrote: Nathan wrote: Pat Hayes wrote: On Jun 30, 2010, at 6:45 AM, Toby Inkster wrote: On Wed, 30 Jun 2010 10:54:20 +0100 Dan Brickley dan...@danbri.org wrote: That said, i'm sure sameAs and differentIndividual (or however it is called) claims

Re: The Ordered List Ontology

2010-06-30 Thread Pat Hayes
On Jun 30, 2010, at 1:15 PM, Dan Brickley wrote: On Wed, Jun 30, 2010 at 6:34 PM, Pat Hayes pha...@ihmc.us wrote: On Jun 30, 2010, at 6:45 AM, Toby Inkster wrote: On Wed, 30 Jun 2010 10:54:20 +0100 Dan Brickley dan...@danbri.org wrote: That said, i'm sure sameAs and differentIndividual

Re: Subjects as Literals

2010-06-30 Thread Pat Hayes
On Jun 30, 2010, at 2:31 PM, Kingsley Idehen wrote: David Booth wrote: On Wed, 2010-06-30 at 14:30 -0400, Kingsley Idehen wrote: Nathan wrote: Pat Hayes wrote: [ . . . ] Surely all of the subjects as literals arguments can be countered with 'walk round it', and further good practise

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-06-30 Thread Pat Hayes
On Jun 30, 2010, at 2:52 PM, David Booth wrote: On Wed, 2010-06-30 at 14:09 -0500, Pat Hayes wrote: On Jun 30, 2010, at 11:50 AM, Nathan wrote: [ . . . ] Surely all of the subjects as literals arguments can be countered with 'walk round it', and further good practise could be aided by a few

Re: Subjects as Literals

2010-06-30 Thread Pat Hayes
in several ways at once. Pat Hayes and convention seems pretty important for the semantic web to work right. Just because you feel like you should do it doesn't mean you should. RDF/XML is a pain in the butt to parse because there a million ways to serialize it. Your example is doubly uncompelling

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-06-30 Thread Pat Hayes
On Jun 30, 2010, at 3:49 PM, Kingsley Idehen wrote: Pat Hayes wrote: On Jun 30, 2010, at 1:30 PM, Kingsley Idehen wrote: Nathan wrote: Pat Hayes wrote: On Jun 30, 2010, at 6:45 AM, Toby Inkster wrote: On Wed, 30 Jun 2010 10:54:20 +0100 Dan Brickley dan...@danbri.org wrote: That said

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-06-30 Thread Pat Hayes
On Jun 30, 2010, at 4:25 PM, Toby Inkster wrote: On Wed, 30 Jun 2010 13:18:25 -0700 Jeremy Carroll jer...@topquadrant.com wrote: Here are the reasons I voted this way: - it will mess up RDF/XML No it won't - it will just mean that RDF/XML is only capable of representing a subset of RDF

Re: Subjects as Literals

2010-06-30 Thread Pat Hayes
from a follow your nose perspective) if blank nodes are considered controversial? Seems to me that from the linked data POV, anything that can be an object should also be useable as a subject. Of course, that does allow for the view that both of them should only ever be IRIs, I guess. Pat Hayes

Re: Subjects as Literals, [was Re: The Ordered List Ontology]

2010-06-30 Thread Pat Hayes
in pursuing this further. Does this RDF/RDB++ vision provide any guidance towards what RDF is supposed to, like, mean? Pointers? Pat Hayes Axel On Jun 30, 2010, at 21:52 , David Booth wrote: On Wed, 2010-06-30 at 14:09 -0500, Pat Hayes wrote: On Jun 30, 2010, at 11:50 AM, Nathan wrote

Re: Representing relation between posts

2010-06-01 Thread Pat Hayes
for a generalization of this notion to other media. Pat Hayes IHMC (850)434 8903 or (650)494 3973 40 South Alcaniz St. (850)202 4416 office Pensacola(850)202 4440 fax

Re: ontology mapping etiquette (was What is the class of a Named Graph?)

2010-02-23 Thread Pat Hayes
, Cyc (and Umbel based on it) say that an element like sodium is a *class* whose elements are all *mereological sums* of pure sodium. Dbpedia mentions sodium, and they have links, but I bet that most users of Dbpedia wouldn't buy into the Cyc ontological craftiness. Pat Hayes snip If we

Re: Terminology when talking about Linked Data

2010-02-17 Thread Pat Hayes
On Feb 17, 2010, at 6:37 AM, Dan Brickley wrote: ... . RDF was originally standardised as a metadata system, a mechanism for finding stuff ... whether that stuff was photos, videos, HTML pages, excel spreadsheets, SQL databases, 3d models. ... Really? That was not the impression I got when I

Re: Terminology when talking about Linked Data

2010-02-17 Thread Pat Hayes
On Feb 17, 2010, at 11:36 AM, Kingsley Idehen wrote: Pat Hayes wrote: On Feb 17, 2010, at 6:37 AM, Dan Brickley wrote: ... . RDF was originally standardised as a metadata system, a mechanism for finding stuff ... whether that stuff was photos, videos, HTML pages, excel spreadsheets, SQL

Re: Linking HTML pages and data

2010-02-16 Thread Pat Hayes
/ Mogwai_(band)* (as far as I can tell) though. But there is an owl:sameAs which links to http://mpii.de/yago/resource/Mogwai_(band) , which appears to be a use of a URI referring to the non-information resource. Is this an example of the kind of link you are looking for? Pat Hayes

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