Re: Contact information footprint Re: Creating Group URIs

On 17 October 2016 at 17:18, Tim Berners-Lee <timbl@w3.org> wrote:

> This sounds like contacts management, and we had in solid decided to go
> with VCARD for interop with others.   We need to share this stuff with all
> the apps which are allowed to add contact data.
>
>
>
> Current status:   Suppose you have your contacts data in Solid at at path
> $A.
> Then the this is gives a new group called   "Tuesday meeting” a URI
>
> $A/Group/Tuesday_meeting/index.ttl#this
>
> and there store the name of the group, the fact that it is a vcard:Group.
>
> Here for example for a group “Solid”, including some stuff exported from
> Mac OS contacts in case we later get to sync in both directions
>
>
> <#this>
>  a vcard:Group;
> vcard:fn "Solid”;
> vcard:hasUID <urn:uuid:96CD22D0-86B9-41EF-A151-9EE523D5CAF1:ABGroup>;
> dc:created "2016-03-31T15:27:07+0000"^^xsd:dateTime;
> dc:modified "2016-08-30T22:48:51+0000"^^xsd:dateTime;
> .
>
> and for each member
>

Thanks!

I've now made the change of :

FOAF -> VCARD (vocab)
member -> hasMember

In the spec, implementation and tests

The hasUID is interesting, I'll see if I can find out where it comes from


>
>
>
> If we have a webid, then that is used as he subject - because the ACL
> system needs that triple, and then the local URI for the person is given
> with a own:sameAs (“=“ in turtle)
>
>
> < https://dzagidulin.databox.me/profile/card#me> vcard:fn "Dimitri
> Zagidulin"; is vcard:hasMember of <#this>; = <../../Person/13830FD1-7566-
> 4ED1-8795-C943DBC51265/index.ttl#this> .
>
>
> If there is no known webid, then the local URI, <../../Person/13830FD1-
> 7566-4ED1-8795-C943DBC51265/index.ttl#this>
> is used as the subject.  This is a bit complicated when serializing the
> group, but it is a compromise to keep the ACL system fast.
>
> The actual VCARD data for person is at the local URI for them.
>
>
>
> @prefix vcard: <http://www.w3.org/2006/vcard/ns#>.
> @prefix ab: <http://www.w3.org/ns/pim/ab#>.
> @prefix dc: <http://purl.org/dc/elements/1.1/>.
> @prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
>
> <#this>
>  a vcard:Individual; vcard:fn "Dimitri Zagidulin";
> vcard:hasName [vcard:given-name "Dimitri";
> vcard:family-name "Zagidulin";
> ];
>  vcard:hasPhoto <../../Person/13830FD1-7566-4ED1-8795-C943DBC51265/image.
> png>;
> vcard:url [ a vcard:HomePage; vcard:value <https://github.com/
> dmitrizagidulin>],
> [ a vcard:WebId; vcard:value < https://dzagidulin.databox.me/
> profile/card#me>],
> [ a vcard:HomePage; vcard:value <http://www.computingjoy.com/>];
> vcard:hasEmail [ a vcard:Home; vcard:value <mailto:dzagidulin@gmail.com
> <dzagidulin@gmail.com>>];
> ab:ABPersonFlags 0;
> vcard:note """
> """;
> vcard:hasUID <urn:uuid:13830FD1-7566-4ED1-8795-C943DBC51265:ABPerson>;
> dc:created "2016-03-31T15:14:20+0000"^^xsd:dateTime;
> dc:modified "2016-08-30T22:45:52+0000"^^xsd:dateTime.
>
>
>
> The ab:ABPersonFlags 0 line is a field in the AddressBook data which is
> only used for  round trip, and I think it has to do with whether  a person
> is displayed primarily as  a person or an organization.
>
> That format is generated by the exporter program https://github.com/
> linkeddata/swap/blob/master/pim/readMacAddressBook.py
> but the contact UI I am using  https://github.com/
> linkeddata/solid-app-set/blob/master/contact/contactPane.js  (monolithic
> code at the moment - sorry) doesn’t yet respect it.
>

Very interesting, thanks for the feedback.  I'll try and align as much as
possible to this way of doing things


>
> Tim
>
> .
>
>
>
> On 2016-10 -16, at 07:20, Melvin Carvalho <melvincarvalho@gmail.com>
> wrote:
>
> It is common when dealing with groups of Agents to want to create a URI to
> denote those agents. Yet there is no systematic way to create a URI from a
> set of its participants. This simple spec solves the problem by creating a
> FOAF Group with members the URIs, canonicalizing it, taking the hash, and
> then creating a URI from that hash.
>
> https://solid-live.github.io/specs/groupuris/
>
> My use case is to create group teleconferences using the roll call JS
> library [1].  You have two or more participants, and that can uniquely
> generate a hash, which is used to create a chat room, uniquely for your
> group based in the algorithm above.
>
> Feedback welcome!
>
> [1] https://rollcall.audio/
>
>
>