OpenID 1.1 RDF Schema [was: RE: Tiny RDF Schema at openid.net?]

2007-03-01 Thread Benjamin Nowack

Hi David,

I've had another look at the 1.1 spec, tweaked the schema, and
incorporated some feedback I received from the SemWeb IG (SWIG).
The new schema also includes identifier which - although just
a single property - allows RDFers to easily connect OpenID with
the rest of the RDF world. The latter has been discussed quite
a bit recently, esp. the FOAF folks are looking forward to a
FOAF2OpenID connector.

I *think* the schema is ready to go now, it would be really
great to have it served from openid.net.

I'll send a schema draft for openid2 in a separate mail.

Anything else I can do?

Cheers,
Ben


On 30.01.2007 11:56:41, Recordon, David wrote:
I'm not an RDF/OWL expert, though that looks reasonable to me.  How do
we deal with Auth 1.x which uses openid.server and openid.delegate
versus Auth 2.0 which uses openid2.provider and openid2.local_id?

--David

-Original Message-
From: Benjamin Nowack [mailto:[EMAIL PROTECTED]
Sent: Monday, January 29, 2007 10:13 AM
To: Recordon, David; Scott Kveton; specs@openid.net
Cc: [EMAIL PROTECTED]
Subject: RE: Tiny RDF Schema at openid.net?

On 29.01.2007 07:53:15, Recordon, David wrote:
I'd be happy to do it; I think we were talking about using
xmlns.openid.net/foo as a format.
Awesome :)

I think the next step would be sending a copy of the RDF file for
people here to look over. :)

I've attached a draft which contains already some nice2haves (e.g.
the OWL and isDefinedBy bits which may be helpful but are not strictly
necessary), I'm not 100% sure about the prose, and I guess DanC will
have a comment or two as well.

(The resource/about/ID attributes work similar to HTML's href/id, they
use the doc's URL as base, i.e. if the file was published at
http://xmlns.openid.net/auth, the full term URIs would be
http://xmlns.openid.net/auth#server etc.)

[[[
?xml version=1.0?
rdf:RDF xmlns:rdf=http://www.w3.org/1999/02/22-rdf-syntax-ns#;
  xmlns:rdfs=http://www.w3.org/2000/01/rdf-schema#;
  xmlns:owl=http://www.w3.org/2002/07/owl#;

  owl:Ontology rdf:about=
rdfs:labelOpenID Authentication Schema/rdfs:label
owl:versionInfo2007-01-29/owl:versionInfo
rdfs:comment
  A basic schema for core OpenID authentication terms.
/rdfs:comment
  /owl:Ontology

  rdf:Property rdf:ID=server
rdf:type
rdf:resource=http://www.w3.org/2002/07/owl#ObjectProperty/
rdfs:labelserver/rdfs:label
rdfs:comment
  The OpenID Identity Provider to be used for authentication.
/rdfs:comment
rdfs:isDefinedBy
rdf:resource=http://openid.net/specs/openid-authentication-1_1.html; /
  /rdf:Property

  rdf:Property rdf:ID=delegate
rdf:type
rdf:resource=http://www.w3.org/2002/07/owl#ObjectProperty/
rdfs:labeldelegate/rdfs:label
rdfs:comment
  The delegated OpenID Identifier to be used for authentication.
/rdfs:comment
rdfs:isDefinedBy
rdf:resource=http://openid.net/specs/openid-authentication-1_1.html; /
  /rdf:Property

/rdf:RDF
]]]

Best,
Ben



Thanks,
--David

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Scott Kveton
Sent: Monday, January 29, 2007 7:42 AM
To: Benjamin Nowack; specs@openid.net
Cc: [EMAIL PROTECTED]
Subject: Re: Tiny RDF Schema at openid.net?

With just a quick look at this, it seems like a good idea.  I'd like to

see it happen somehow.

Anybody see any problems with doing this?

- Scott





On 1/29/07 2:13 AM, Benjamin Nowack [EMAIL PROTECTED] wrote:



 Hi,

 I was wondering if you guys could be persuaded to host a little RDF
 Schema file on the openid.net site. As far as I can tell, there is
 great support for OpenID among SemWeb folks as it can be combined
 with

 things like FOAF for all sorts of cool applications.

 People recently started to write RDF extractors for the OpenID hooks
 embedded in HTML (openid.server/delegate). As these hooks are in line

 with the Dublin Core guidelines [1], there are even multiple ways to
 do this. The only thing we're missing for more widespread use is an
 agreed-on namespace URI for the core openID terms (server and
 delegate). And ideally this would be an openid.net one. So here is
 my request: any chance we could put a little RDF Schema file on the
 openid server? We would of course provide the file (it'd be just 5-10

 lines of XML), and the actual URL/path doesn't really matter. An
 alternative could be to host it in some other stable URI space, Dan
 Connolly (CC'd) might be able to provide one at w3.org, not sure. It
 would be cool to get your blessing either way, though.


 Cheers in advance for perhaps considering it, Ben

 --
 Benjamin Nowack

 Kruppstr. 100
 45145 Essen, Germany
 http://www.bnode.org/


 [1] http://www.dublincore.org/documents/dcq-html/

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OpenID 2 RDF Schema Draft [was: RE: Tiny RDF Schema at openid.net?]

2007-03-01 Thread Benjamin Nowack

Hi,

here is a first RDF Schema draft for OpenID 2.0 authentication. *If*
the provider/local_id terms are equivalent to server/delegate, we
could add some additional OWL bits to explicitly state this. Using
OWL's equivalence axioms would mean that every v2-OP is also a v1-IdP
and vice-versa, not sure if that's the case. There are axioms for
non-bi-directional relations (e.g. if any v2-OP can handle v1 auth,
but not necessarily the other way round). It could make sense to
add more terms (e.g. the endpoint URL etc.) to a v2 RDF Schema, I'd
have to read the spec more closely before, though.

Don't know if I mentioned it already, it'd also be possible to directly
embed the RDF Schema in the HTML version via eRDF[1]. This approach
would lead to less pretty term URIs (document URL + # + HTML id),
but removes the need to maintain two separate documents (in case that
is an issue).

Cheers so far,
Ben

[1] http://research.talis.com/2005/erdf/wiki/Main/RdfInHtml


On 30.01.2007 11:56:41, Recordon, David wrote:
I'm not an RDF/OWL expert, though that looks reasonable to me.  How do
we deal with Auth 1.x which uses openid.server and openid.delegate
versus Auth 2.0 which uses openid2.provider and openid2.local_id?

--David

-Original Message-
From: Benjamin Nowack [mailto:[EMAIL PROTECTED]
Sent: Monday, January 29, 2007 10:13 AM
To: Recordon, David; Scott Kveton; specs@openid.net
Cc: [EMAIL PROTECTED]
Subject: RE: Tiny RDF Schema at openid.net?

On 29.01.2007 07:53:15, Recordon, David wrote:
I'd be happy to do it; I think we were talking about using
xmlns.openid.net/foo as a format.
Awesome :)

I think the next step would be sending a copy of the RDF file for
people here to look over. :)

I've attached a draft which contains already some nice2haves (e.g.
the OWL and isDefinedBy bits which may be helpful but are not strictly
necessary), I'm not 100% sure about the prose, and I guess DanC will
have a comment or two as well.

(The resource/about/ID attributes work similar to HTML's href/id, they
use the doc's URL as base, i.e. if the file was published at
http://xmlns.openid.net/auth, the full term URIs would be
http://xmlns.openid.net/auth#server etc.)

[[[
?xml version=1.0?
rdf:RDF xmlns:rdf=http://www.w3.org/1999/02/22-rdf-syntax-ns#;
  xmlns:rdfs=http://www.w3.org/2000/01/rdf-schema#;
  xmlns:owl=http://www.w3.org/2002/07/owl#;

  owl:Ontology rdf:about=
rdfs:labelOpenID Authentication Schema/rdfs:label
owl:versionInfo2007-01-29/owl:versionInfo
rdfs:comment
  A basic schema for core OpenID authentication terms.
/rdfs:comment
  /owl:Ontology

  rdf:Property rdf:ID=server
rdf:type
rdf:resource=http://www.w3.org/2002/07/owl#ObjectProperty/
rdfs:labelserver/rdfs:label
rdfs:comment
  The OpenID Identity Provider to be used for authentication.
/rdfs:comment
rdfs:isDefinedBy
rdf:resource=http://openid.net/specs/openid-authentication-1_1.html; /
  /rdf:Property

  rdf:Property rdf:ID=delegate
rdf:type
rdf:resource=http://www.w3.org/2002/07/owl#ObjectProperty/
rdfs:labeldelegate/rdfs:label
rdfs:comment
  The delegated OpenID Identifier to be used for authentication.
/rdfs:comment
rdfs:isDefinedBy
rdf:resource=http://openid.net/specs/openid-authentication-1_1.html; /
  /rdf:Property

/rdf:RDF
]]]

Best,
Ben



Thanks,
--David

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Scott Kveton
Sent: Monday, January 29, 2007 7:42 AM
To: Benjamin Nowack; specs@openid.net
Cc: [EMAIL PROTECTED]
Subject: Re: Tiny RDF Schema at openid.net?

With just a quick look at this, it seems like a good idea.  I'd like to

see it happen somehow.

Anybody see any problems with doing this?

- Scott





On 1/29/07 2:13 AM, Benjamin Nowack [EMAIL PROTECTED] wrote:



 Hi,

 I was wondering if you guys could be persuaded to host a little RDF
 Schema file on the openid.net site. As far as I can tell, there is
 great support for OpenID among SemWeb folks as it can be combined
 with

 things like FOAF for all sorts of cool applications.

 People recently started to write RDF extractors for the OpenID hooks
 embedded in HTML (openid.server/delegate). As these hooks are in line

 with the Dublin Core guidelines [1], there are even multiple ways to
 do this. The only thing we're missing for more widespread use is an
 agreed-on namespace URI for the core openID terms (server and
 delegate). And ideally this would be an openid.net one. So here is
 my request: any chance we could put a little RDF Schema file on the
 openid server? We would of course provide the file (it'd be just 5-10

 lines of XML), and the actual URL/path doesn't really matter. An
 alternative could be to host it in some other stable URI space, Dan
 Connolly (CC'd) might be able to provide one at w3.org, not sure. It
 would be cool to get your blessing either way, though.


 Cheers in advance for perhaps considering it, Ben

 --
 Benjamin Nowack

 Kruppstr. 100
 45145 Essen

RE: Tiny RDF Schema at openid.net?

2007-01-31 Thread Dan Connolly
On Mon, 2007-01-29 at 07:53 -0800, Recordon, David wrote:
 I'd be happy to do it; I think we were talking about using
 xmlns.openid.net/foo as a format. 
 
 I think the next step would be sending a copy of the RDF file for people
 here to look over. :)

What I've got so far is a bit of XSLT to extract RDF from openid
pages...

  http://dig.csail.mit.edu/2007/id/glean_openid.xsl

and some slides that talk about it...
  http://dig.csail.mit.edu/2007/id/talk19

Oops; I haven't actually published the .rdf version of the schema
document.
  http://dig.csail.mit.edu/2007/id/doc

Here's hoping I can get to that presently...

-- 
Dan Connolly, W3C http://www.w3.org/People/Connolly/
D3C2 887B 0F92 6005 C541  0875 0F91 96DE 6E52 C29E

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RE: Tiny RDF Schema at openid.net?

2007-01-30 Thread Recordon, David
I'm not an RDF/OWL expert, though that looks reasonable to me.  How do
we deal with Auth 1.x which uses openid.server and openid.delegate
versus Auth 2.0 which uses openid2.provider and openid2.local_id?

--David

-Original Message-
From: Benjamin Nowack [mailto:[EMAIL PROTECTED] 
Sent: Monday, January 29, 2007 10:13 AM
To: Recordon, David; Scott Kveton; specs@openid.net
Cc: [EMAIL PROTECTED]
Subject: RE: Tiny RDF Schema at openid.net?

On 29.01.2007 07:53:15, Recordon, David wrote:
I'd be happy to do it; I think we were talking about using 
xmlns.openid.net/foo as a format.
Awesome :)

I think the next step would be sending a copy of the RDF file for 
people here to look over. :)

I've attached a draft which contains already some nice2haves (e.g.
the OWL and isDefinedBy bits which may be helpful but are not strictly
necessary), I'm not 100% sure about the prose, and I guess DanC will
have a comment or two as well.

(The resource/about/ID attributes work similar to HTML's href/id, they
use the doc's URL as base, i.e. if the file was published at
http://xmlns.openid.net/auth, the full term URIs would be
http://xmlns.openid.net/auth#server etc.)

[[[
?xml version=1.0?
rdf:RDF xmlns:rdf=http://www.w3.org/1999/02/22-rdf-syntax-ns#;
  xmlns:rdfs=http://www.w3.org/2000/01/rdf-schema#;
  xmlns:owl=http://www.w3.org/2002/07/owl#;

  owl:Ontology rdf:about=
rdfs:labelOpenID Authentication Schema/rdfs:label
owl:versionInfo2007-01-29/owl:versionInfo
rdfs:comment
  A basic schema for core OpenID authentication terms.
/rdfs:comment
  /owl:Ontology
  
  rdf:Property rdf:ID=server
rdf:type
rdf:resource=http://www.w3.org/2002/07/owl#ObjectProperty/
rdfs:labelserver/rdfs:label
rdfs:comment
  The OpenID Identity Provider to be used for authentication.
/rdfs:comment
rdfs:isDefinedBy
rdf:resource=http://openid.net/specs/openid-authentication-1_1.html; /
  /rdf:Property
  
  rdf:Property rdf:ID=delegate
rdf:type
rdf:resource=http://www.w3.org/2002/07/owl#ObjectProperty/
rdfs:labeldelegate/rdfs:label
rdfs:comment
  The delegated OpenID Identifier to be used for authentication.
/rdfs:comment
rdfs:isDefinedBy
rdf:resource=http://openid.net/specs/openid-authentication-1_1.html; /
  /rdf:Property

/rdf:RDF
]]]

Best,
Ben



Thanks,
--David

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On 
Behalf Of Scott Kveton
Sent: Monday, January 29, 2007 7:42 AM
To: Benjamin Nowack; specs@openid.net
Cc: [EMAIL PROTECTED]
Subject: Re: Tiny RDF Schema at openid.net?

With just a quick look at this, it seems like a good idea.  I'd like to

see it happen somehow.

Anybody see any problems with doing this?

- Scott





On 1/29/07 2:13 AM, Benjamin Nowack [EMAIL PROTECTED] wrote:

 
 
 Hi,
 
 I was wondering if you guys could be persuaded to host a little RDF 
 Schema file on the openid.net site. As far as I can tell, there is 
 great support for OpenID among SemWeb folks as it can be combined 
 with

 things like FOAF for all sorts of cool applications.
 
 People recently started to write RDF extractors for the OpenID hooks 
 embedded in HTML (openid.server/delegate). As these hooks are in line

 with the Dublin Core guidelines [1], there are even multiple ways to 
 do this. The only thing we're missing for more widespread use is an 
 agreed-on namespace URI for the core openID terms (server and 
 delegate). And ideally this would be an openid.net one. So here is 
 my request: any chance we could put a little RDF Schema file on the 
 openid server? We would of course provide the file (it'd be just 5-10

 lines of XML), and the actual URL/path doesn't really matter. An 
 alternative could be to host it in some other stable URI space, Dan 
 Connolly (CC'd) might be able to provide one at w3.org, not sure. It 
 would be cool to get your blessing either way, though.
 
 
 Cheers in advance for perhaps considering it, Ben
 
 --
 Benjamin Nowack
 
 Kruppstr. 100
 45145 Essen, Germany
 http://www.bnode.org/
 
 
 [1] http://www.dublincore.org/documents/dcq-html/
 
 ___
 specs mailing list
 specs@openid.net
 http://openid.net/mailman/listinfo/specs
 

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Tiny RDF Schema at openid.net?

2007-01-29 Thread Benjamin Nowack

Hi,

I was wondering if you guys could be persuaded to host a little
RDF Schema file on the openid.net site. As far as I can tell, there
is great support for OpenID among SemWeb folks as it can be combined
with things like FOAF for all sorts of cool applications.

People recently started to write RDF extractors for the OpenID 
hooks embedded in HTML (openid.server/delegate). As these hooks
are in line with the Dublin Core guidelines [1], there are even
multiple ways to do this. The only thing we're missing for more
widespread use is an agreed-on namespace URI for the core openID
terms (server and delegate). And ideally this would be an 
openid.net one. So here is my request: any chance we could put
a little RDF Schema file on the openid server? We would of course
provide the file (it'd be just 5-10 lines of XML), and the actual 
URL/path doesn't really matter. An alternative could be to host
it in some other stable URI space, Dan Connolly (CC'd) might be
able to provide one at w3.org, not sure. It would be cool to 
get your blessing either way, though.


Cheers in advance for perhaps considering it,
Ben

--
Benjamin Nowack

Kruppstr. 100
45145 Essen, Germany
http://www.bnode.org/


[1] http://www.dublincore.org/documents/dcq-html/

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Re: Tiny RDF Schema at openid.net?

2007-01-29 Thread Scott Kveton
With just a quick look at this, it seems like a good idea.  I'd like to see
it happen somehow.

Anybody see any problems with doing this?

- Scott





On 1/29/07 2:13 AM, Benjamin Nowack [EMAIL PROTECTED] wrote:

 
 
 Hi,
 
 I was wondering if you guys could be persuaded to host a little
 RDF Schema file on the openid.net site. As far as I can tell, there
 is great support for OpenID among SemWeb folks as it can be combined
 with things like FOAF for all sorts of cool applications.
 
 People recently started to write RDF extractors for the OpenID
 hooks embedded in HTML (openid.server/delegate). As these hooks
 are in line with the Dublin Core guidelines [1], there are even
 multiple ways to do this. The only thing we're missing for more
 widespread use is an agreed-on namespace URI for the core openID
 terms (server and delegate). And ideally this would be an
 openid.net one. So here is my request: any chance we could put
 a little RDF Schema file on the openid server? We would of course
 provide the file (it'd be just 5-10 lines of XML), and the actual
 URL/path doesn't really matter. An alternative could be to host
 it in some other stable URI space, Dan Connolly (CC'd) might be
 able to provide one at w3.org, not sure. It would be cool to
 get your blessing either way, though.
 
 
 Cheers in advance for perhaps considering it,
 Ben
 
 --
 Benjamin Nowack
 
 Kruppstr. 100
 45145 Essen, Germany
 http://www.bnode.org/
 
 
 [1] http://www.dublincore.org/documents/dcq-html/
 
 ___
 specs mailing list
 specs@openid.net
 http://openid.net/mailman/listinfo/specs
 

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RE: Tiny RDF Schema at openid.net?

2007-01-29 Thread Benjamin Nowack
On 29.01.2007 07:53:15, Recordon, David wrote:
I'd be happy to do it; I think we were talking about using
xmlns.openid.net/foo as a format.
Awesome :)

I think the next step would be sending a copy of the RDF file for people
here to look over. :)

I've attached a draft which contains already some nice2haves (e.g.
the OWL and isDefinedBy bits which may be helpful but are not
strictly necessary), I'm not 100% sure about the prose, and I
guess DanC will have a comment or two as well.

(The resource/about/ID attributes work similar to HTML's href/id,
they use the doc's URL as base, i.e. if the file was published at
http://xmlns.openid.net/auth, the full term URIs would be
http://xmlns.openid.net/auth#server etc.)

[[[
?xml version=1.0?
rdf:RDF xmlns:rdf=http://www.w3.org/1999/02/22-rdf-syntax-ns#;
  xmlns:rdfs=http://www.w3.org/2000/01/rdf-schema#;
  xmlns:owl=http://www.w3.org/2002/07/owl#;

  owl:Ontology rdf:about=
rdfs:labelOpenID Authentication Schema/rdfs:label
owl:versionInfo2007-01-29/owl:versionInfo
rdfs:comment
  A basic schema for core OpenID authentication terms.
/rdfs:comment
  /owl:Ontology

  rdf:Property rdf:ID=server
rdf:type rdf:resource=http://www.w3.org/2002/07/owl#ObjectProperty/
rdfs:labelserver/rdfs:label
rdfs:comment
  The OpenID Identity Provider to be used for authentication.
/rdfs:comment
rdfs:isDefinedBy
rdf:resource=http://openid.net/specs/openid-authentication-1_1.html; /
  /rdf:Property

  rdf:Property rdf:ID=delegate
rdf:type rdf:resource=http://www.w3.org/2002/07/owl#ObjectProperty/
rdfs:labeldelegate/rdfs:label
rdfs:comment
  The delegated OpenID Identifier to be used for authentication.
/rdfs:comment
rdfs:isDefinedBy
rdf:resource=http://openid.net/specs/openid-authentication-1_1.html; /
  /rdf:Property

/rdf:RDF
]]]

Best,
Ben



Thanks,
--David

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Scott Kveton
Sent: Monday, January 29, 2007 7:42 AM
To: Benjamin Nowack; specs@openid.net
Cc: [EMAIL PROTECTED]
Subject: Re: Tiny RDF Schema at openid.net?

With just a quick look at this, it seems like a good idea.  I'd like to
see it happen somehow.

Anybody see any problems with doing this?

- Scott





On 1/29/07 2:13 AM, Benjamin Nowack [EMAIL PROTECTED] wrote:



 Hi,

 I was wondering if you guys could be persuaded to host a little RDF
 Schema file on the openid.net site. As far as I can tell, there is
 great support for OpenID among SemWeb folks as it can be combined with

 things like FOAF for all sorts of cool applications.

 People recently started to write RDF extractors for the OpenID hooks
 embedded in HTML (openid.server/delegate). As these hooks are in line
 with the Dublin Core guidelines [1], there are even multiple ways to
 do this. The only thing we're missing for more widespread use is an
 agreed-on namespace URI for the core openID terms (server and
 delegate). And ideally this would be an openid.net one. So here is
 my request: any chance we could put a little RDF Schema file on the
 openid server? We would of course provide the file (it'd be just 5-10
 lines of XML), and the actual URL/path doesn't really matter. An
 alternative could be to host it in some other stable URI space, Dan
 Connolly (CC'd) might be able to provide one at w3.org, not sure. It
 would be cool to get your blessing either way, though.


 Cheers in advance for perhaps considering it, Ben

 --
 Benjamin Nowack

 Kruppstr. 100
 45145 Essen, Germany
 http://www.bnode.org/


 [1] http://www.dublincore.org/documents/dcq-html/

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 specs mailing list
 specs@openid.net
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open_id_2007_01_29.rdfs
Description: Binary data
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