Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-07-07 Thread Ian Hickson
On Tue, 9 Jun 2009, Frank Hellenkamp wrote: I agree entirely. I actually tried to find a workable solution to address this but unfortunately the only general solutions I could come up with that would allow this were selector-based, and in practice authors are still having trouble

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-07-01 Thread Ian Hickson
On Tue, 9 Jun 2009, Jonas Sicking wrote: Some of the improvement suggestions that I have heard that sounds interesting, though possibly for the next version of microdata. * Support for specifying a machine-readable value, such as for dates, colors, numbers, etc. I expect we will

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-06-09 Thread Ian Hickson
On Mon, 11 May 2009, Simon Pieters wrote: On Sun, 10 May 2009 12:32:34 +0200, Ian Hickson i...@hixie.ch wrote: Page 3: h2My Catsh2 dl dtSchrouml;dinger dd item=com.damowmow.cat meta property=com.damowmow.name content=Schrouml;dinger meta

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-06-09 Thread Jonas Sicking
Some of the improvement suggestions that I have heard that sounds interesting, though possibly for the next version of microdata. * Support for specifying a machine-readable value, such as for dates, colors, numbers, etc. I expect we will add support for these based on demand, the same way

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-06-09 Thread Kristof Zelechovski
The problem of W3C DTD DDoS does not apply to CURIE because software processing RDF does not need to retrieve the resources referenced on a regular basis. Even in the case of DTD, the problem is that some software does not cache, not that some software tries to access it. IMHO, Chris

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-06-09 Thread Frank Hellenkamp
Ian Hickson wrote: I agree entirely. I actually tried to find a workable solution to address this but unfortunately the only general solutions I could come up with that would allow this were selector-based, and in practice authors are still having trouble understanding how to use Selectors

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-18 Thread Henri Sivonen
On May 14, 2009, at 23:52, Eduard Pascual wrote: On Thu, May 14, 2009 at 3:54 PM, Philip Taylor excors+wha...@gmail.com wrote: It doesn't matter one syntax or another. But if a syntax already exists (RDFa), building a new syntax should be properly justified. It was at the start of this

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-18 Thread Julian Reschke
Henri Sivonen wrote: There's no indirection. A decade of Namespaces in XML shows that both authors and implementors have trouble getting prefix-based indirection right. It's true that people get this wrong again and again. But it's also true that lots of developers understand it once for

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-18 Thread Henri Sivonen
On May 18, 2009, at 12:18, Julian Reschke wrote: Henri Sivonen wrote: There's no indirection. A decade of Namespaces in XML shows that both authors and implementors have trouble getting prefix-based indirection right. It's true that people get this wrong again and again. But it's also

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-18 Thread Julian Reschke
Henri Sivonen wrote: The interesting question here is whether there's a better system. 1) Centralized allocation of short names. Sounds like urn: to me. Registry is defined in RFC 3406. 2) Prefixing a short name by (an abbreviation of) the name of the vocabulary, which makes the

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-18 Thread Eduard Pascual
On Mon, May 18, 2009 at 10:38 AM, Henri Sivonen hsivo...@iki.fi wrote: On May 14, 2009, at 23:52, Eduard Pascual wrote: On Thu, May 14, 2009 at 3:54 PM, Philip Taylor excors+wha...@gmail.com wrote: It doesn't matter one syntax or another. But if a syntax already exists (RDFa), building a new

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-18 Thread Maciej Stachowiak
On May 18, 2009, at 6:05 AM, Eduard Pascual wrote: On Mon, May 18, 2009 at 10:38 AM, Henri Sivonen hsivo...@iki.fi wrote: On May 14, 2009, at 23:52, Eduard Pascual wrote: On Thu, May 14, 2009 at 3:54 PM, Philip Taylor excors+wha...@gmail.com wrote: It doesn't matter one syntax or

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-18 Thread Henri Sivonen
On May 18, 2009, at 16:05, Eduard Pascual wrote: On Mon, May 18, 2009 at 10:38 AM, Henri Sivonen hsivo...@iki.fi wrote: (If we were limited to reasoning about something that we don't have experience with yet, I might believe that people can't be too inept to use prefix-based indirection.

Re: [whatwg] Annotating structured data that HTML has no semantics

2009-05-17 Thread Eduard Pascual
On Sat, May 16, 2009 at 10:02 AM, Leif Halvard Silli l...@malform.no wrote: [...] But may be, after all, it ain't so bad. It is good to have the opportunity. :-) This is the exactly the point (at least, IMO): RDFa may be quite good at embedding inline metadata, but can't deal at all with

Re: [whatwg] Annotating structured data that HTML has no semantics

2009-05-16 Thread Leif Halvard Silli
Tab Atkins Jr. On 09-05-15 22.15: On Wed, May 13, 2009 at 10:04 AM, Leif Halvard Silli Toby Inkster on Wed May 13 02:19:17 PDT 2009: Hear hear. Lets call it Cascading RDF Sheets. http://buzzword.org.uk/2008/rdf-ease/spec http://buzzword.org.uk/2008/rdf-ease/reactions

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-15 Thread Eduard Pascual
On Thu, May 14, 2009 at 10:17 PM, Maciej Stachowiak m...@apple.com wrote: [...] From my cursory study, I think microdata could subsume many of the use cases of both microformats and RDFa. Maybe. But microformats and RDFa can handle *all* of these cases. Again, which are the benefits of creating

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-15 Thread Shelley Powers
Maciej Stachowiak wrote: On May 14, 2009, at 1:30 PM, Shelley Powers wrote: So, if I'm pushing for RDFa, it's not because I want to win. It's because I have things I want to do now, and I would like to make sure have a reasonable chance of working a couple of years in the future. And yeah,

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-15 Thread Simon Pieters
On Thu, 14 May 2009 22:30:41 +0200, Shelley Powers shell...@burningbird.net wrote: I'm not 100% sure microdata can really achieve this, but I think making the attempt is a positive step. It can't, don't you see? Microdata will only work in HTML5/XHTML5. Actually, as specified, it would

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-15 Thread Tab Atkins Jr.
On Wed, May 13, 2009 at 10:04 AM, Leif Halvard Silli l...@malform.no wrote: Toby Inkster on Wed May 13 02:19:17 PDT 2009: Leif Halvard Silli wrote: Hear hear.  Lets call it Cascading RDF Sheets. http://buzzword.org.uk/2008/rdf-ease/spec http://buzzword.org.uk/2008/rdf-ease/reactions I

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread James Graham
jgra...@opera.com wrote: Quoting Philip Taylor excors+wha...@gmail.com: On Sun, May 10, 2009 at 11:32 AM, Ian Hickson i...@hixie.ch wrote: One of the more elaborate use cases I collected from the e-mails sent in over the past few months was the following: USE CASE: Annotate structured

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Shelley Powers
James Graham wrote: jgra...@opera.com wrote: Quoting Philip Taylor excors+wha...@gmail.com: On Sun, May 10, 2009 at 11:32 AM, Ian Hickson i...@hixie.ch wrote: One of the more elaborate use cases I collected from the e-mails sent in over the past few months was the following: USE CASE:

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Dan Brickley
On 14/5/09 14:18, Shelley Powers wrote: James Graham wrote: jgra...@opera.com wrote: Quoting Philip Taylor excors+wha...@gmail.com: On Sun, May 10, 2009 at 11:32 AM, Ian Hickson i...@hixie.ch wrote: One of the more elaborate use cases I collected from the e-mails sent in over the past few

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Shelley Powers
Dan Brickley wrote: On 14/5/09 14:18, Shelley Powers wrote: James Graham wrote: jgra...@opera.com wrote: Quoting Philip Taylor excors+wha...@gmail.com: On Sun, May 10, 2009 at 11:32 AM, Ian Hickson i...@hixie.ch wrote: One of the more elaborate use cases I collected from the e-mails sent

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Philip Taylor
On Thu, May 14, 2009 at 1:25 PM, Dan Brickley dan...@danbri.org wrote: Having HTML5-microdata -to- RDF parsers is pretty critical to having test cases that help us all understand where RDFa-Classic and HTML5 diverge. I'm very happy to see this work being done and that there are multiple

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Maciej Stachowiak
On May 14, 2009, at 5:18 AM, Shelley Powers wrote: So much concern about generating RDF, makes one wonder why we didn't just implement RDFa... If it's possible to produce RDF triples from microdata, and if RDF triples of interest can be expressed with microdata, why does it matter if

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Shelley Powers
Maciej Stachowiak wrote: On May 14, 2009, at 5:18 AM, Shelley Powers wrote: So much concern about generating RDF, makes one wonder why we didn't just implement RDFa... If it's possible to produce RDF triples from microdata, and if RDF triples of interest can be expressed with microdata,

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Maciej Stachowiak
On May 14, 2009, at 1:04 PM, Shelley Powers wrote: Maciej Stachowiak wrote: On May 14, 2009, at 5:18 AM, Shelley Powers wrote: So much concern about generating RDF, makes one wonder why we didn't just implement RDFa... If it's possible to produce RDF triples from microdata, and if RDF

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Shelley Powers
Maciej Stachowiak wrote: On May 14, 2009, at 1:04 PM, Shelley Powers wrote: Maciej Stachowiak wrote: On May 14, 2009, at 5:18 AM, Shelley Powers wrote: So much concern about generating RDF, makes one wonder why we didn't just implement RDFa... If it's possible to produce RDF triples

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Eduard Pascual
On Thu, May 14, 2009 at 3:54 PM, Philip Taylor excors+wha...@gmail.com wrote: [...] If we restrict literals to strings [...] But *why* restrict literals to strings?? Being unable to state that 2009-05-14 is a date makes that value completely useless: it would only be useful on contexts where a

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Jonas Sicking
On Thu, May 14, 2009 at 5:00 PM, Jonas Sicking jo...@sicking.cc wrote: * Support for specifying a machine-readable value, such as for dates, colors, numbers, etc. * Support for tabular data. Especially the former is very interesting to me. I even wonder it would allow replacing the time

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Philip Taylor
On Thu, May 14, 2009 at 2:54 PM, Philip Taylor excors+wha...@gmail.com wrote: [...]  urn:subject urn:predicate _:X . [...]  div item    link itemprop=about href=urn:subject    meta itemprop=urn:predicate item id=X  /div [...] So, I can't see any limits on expressivity other than that

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-14 Thread Maciej Stachowiak
On May 14, 2009, at 1:30 PM, Shelley Powers wrote: So, if I'm pushing for RDFa, it's not because I want to win. It's because I have things I want to do now, and I would like to make sure have a reasonable chance of working a couple of years in the future. And yeah, once SVG is in HTML5,

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-13 Thread Toby Inkster
Leif Halvard Silli wrote: Hear hear. Lets call it Cascading RDF Sheets. http://buzzword.org.uk/2008/rdf-ease/spec http://buzzword.org.uk/2008/rdf-ease/reactions I have actually implemented it. It works. RDFa is better though. -Toby

[whatwg] Annotating structured data that HTML has no semantics for

2009-05-13 Thread Leif Halvard Silli
Toby Inkster on Wed May 13 02:19:17 PDT 2009: Leif Halvard Silli wrote: Hear hear. Lets call it Cascading RDF Sheets. http://buzzword.org.uk/2008/rdf-ease/spec http://buzzword.org.uk/2008/rdf-ease/reactions I have actually implemented it. It works. Oh! Thanks for sharing. RDFa is

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-13 Thread Giovanni Gentili
In terms of prefixes, I find that 'com.foaf-project.name' is a lot more difficult to write than 'foaf:name'. Reverse domain names are non-intuitive for non-programmer types (or non-Java programmers). If we can come up with a way of using the string foaf:name without having to declare foaf in

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-13 Thread Eduard Pascual
Let me start with some apologies: On Tue, May 12, 2009 at 12:55 PM, Eduard Pascual herenva...@gmail.com wrote: [...] Seeing that solutions are already being discussed here, I'm trying to put the ideas into a human-readable document that I plan to submit to this list either late today or early

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-12 Thread Eduard Pascual
I don't really like to be harsh, but I have some criticism to this, and it's going to be quite hard. However, my goal by pointing out what I consider so big mistakes is to help HTML5 becoming as good as it could be. First issue: it solves a (major) subset of what RDFa would solve. However, it has

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-12 Thread Philip Taylor
On Tue, May 12, 2009 at 11:55 AM, Eduard Pascual herenva...@gmail.com wrote: [...] (at least for now: many RDFa-aware agents vs. zero HTML5's microdata -aware agents) HTML5 microdata parsers seem pretty trivial to write - http://philip.html5.org/demos/microdata/demo.html is only about two

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-12 Thread Shelley Powers
Philip Taylor wrote: On Tue, May 12, 2009 at 11:55 AM, Eduard Pascual herenva...@gmail.com wrote: [...] (at least for now: many RDFa-aware agents vs. zero HTML5's microdata -aware agents) HTML5 microdata parsers seem pretty trivial to write -

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-12 Thread Ian Hickson
On Tue, 12 May 2009, Peter Mika wrote: Just a quick comment on: it uses prefixes, which most authors simply do not understand, and which many implementors end up getting wrong (e.g. SearchMonkey hard-coded certain prefixes in its first implementation, Google's handling of RDF

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-12 Thread Shelley Powers
Ian Hickson wrote: On Tue, 12 May 2009, Peter Mika wrote: Just a quick comment on: it uses prefixes, which most authors simply do not understand, and which many implementors end up getting wrong (e.g. SearchMonkey hard-coded certain prefixes in its first implementation, Google's

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-12 Thread Sam Ruby
On Tue, May 12, 2009 at 4:34 PM, Shelley Powers shell...@burningbird.net wrote: I would say if your fellow Google developers could understand how this all works, there is hope for others. if http://lists.w3.org/Archives/Public/public-rdf-in-xhtml-tf/2009May/0064.html Shelley - Sam Ruby

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-12 Thread Shelley Powers
Sam Ruby wrote: On Tue, May 12, 2009 at 4:34 PM, Shelley Powers shell...@burningbird.net wrote: I would say if your fellow Google developers could understand how this all works, there is hope for others. if http://lists.w3.org/Archives/Public/public-rdf-in-xhtml-tf/2009May/0064.html

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-12 Thread Philip Taylor
On Tue, May 12, 2009 at 10:21 PM, Sam Ruby ru...@intertwingly.net wrote: On Tue, May 12, 2009 at 4:34 PM, Shelley Powers shell...@burningbird.net wrote: I would say if your fellow Google developers could understand how this all works, there is hope for others. if

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-12 Thread Leif Halvard Silli
Tab Atkins Jr. on Tue, 12 May 2009 12:30:27 -0500: On Tue, May 12, 2009 at 5:55 AM, Eduard Pascual: [...] It would be preferable to be able to state something like each (row) tr in the table describes an iguana: the imgs are each iguana's picture, the contents of the a's are the names,

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-11 Thread Simon Pieters
On Sun, 10 May 2009 12:32:34 +0200, Ian Hickson i...@hixie.ch wrote: Page 3: h2My Catsh2 dl dtSchrouml;dinger dd item=com.damowmow.cat meta property=com.damowmow.name content=Schrouml;dinger meta property=com.damowmow.age content=9 p

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-11 Thread Giovanni Gentili
Ian Hickson:   USE CASE: Annotate structured data that HTML has no semantics for, and   which nobody has annotated before, and may never again, for private use or   use in a small self-contained community. (..)   SCENARIOS: Between the scenarios should be considered also this case: * a user

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-11 Thread Philip Taylor
On Mon, May 11, 2009 at 6:15 PM, Giovanni Gentili giovanni.gent...@gmail.com wrote: * a user (or groups of users) wants to annotate items present on a generic web page with additional properties in a certain vocabulary. for example Joe wants to gather in a blog a series of personal annotation

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-11 Thread Tim Tepaße
A cursory glance on the new section 5 raises two questions on indirection: (Note the metas in the last example -- since sometimes the information isn't visible, rather than requiring that people put it in and hide it with display:none, which has a rather poor accessibility story, I

[whatwg] Annotating structured data that HTML has no semantics for

2009-05-10 Thread Ian Hickson
One of the more elaborate use cases I collected from the e-mails sent in over the past few months was the following: USE CASE: Annotate structured data that HTML has no semantics for, and which nobody has annotated before, and may never again, for private use or use in a small

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-10 Thread Philip Taylor
On Sun, May 10, 2009 at 11:32 AM, Ian Hickson i...@hixie.ch wrote: One of the more elaborate use cases I collected from the e-mails sent in over the past few months was the following:   USE CASE: Annotate structured data that HTML has no semantics for, and   which nobody has annotated

Re: [whatwg] Annotating structured data that HTML has no semantics for

2009-05-10 Thread jgraham
Quoting Philip Taylor excors+wha...@gmail.com: On Sun, May 10, 2009 at 11:32 AM, Ian Hickson i...@hixie.ch wrote: One of the more elaborate use cases I collected from the e-mails sent in over the past few months was the following:   USE CASE: Annotate structured data that HTML has no