Opening up the Social Web - Standards that are bridging the Islands

Bastian Hofmann, VZnet Netzwerke Ltd

Opening up the Social Web

Standards that are bridging the Islands

Mittwoch, 13. Oktober 2010

Agenda

•OpenID•WebFinger•Well-Known URIs•Web Host Meta Data

•XRD•Portable Contacts

•Activity Strea.ms

•PubSubHubbub•Salmon•OExchange•XAuth•OEmbed•OpenSocial•SWAT0

nikko russano*

... you could not send a mail to another provider

... you could not call your friends at another carrier

Back to reality

Meet Bill and Steve

Bill want‘s to comment on Steve‘s blog

Has to sign up for an account

OpenID

•Steve‘s blog can use Bill‘s Identy Provider to sign in

•Discovery through unique OpenID–http://openid.live.com/bill

•More info at my OpenID talk

http://openid.net/

Bill want‘s to know more about Steve

paurian

In the old days: Fingerbhofmann@svz-pcn-107 ~ $ finger bhofmann

Login: bhofmann Name: Bastian HofmannDirectory: /Users/bhofmann Shell: /bin/bashOn since Di 14 Sep 21:45 (CEST) on console, idle 1:36 (messages off)On since Di 14 Sep 23:02 (CEST) on ttys000No Mail.No Plan.

Now: WebFinger

http://code.google.com/p/webfinger/

http://example.com/.well-known/host-meta<?xml version='1.0' encoding='UTF-8'?><XRD xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0' xmlns:hm='http://host-meta.net/xrd/1.0'> <hm:Host>example.com</hm:Host> <Link rel='lrdd' template='http://example.com/describe?uri={uri}'> <Title>Resource Descriptor</Title> </Link></XRD>

http://tools.ietf.org/html/draft-nottingham-site-metahttp://tools.ietf.org/html/draft-hammer-hostmetahttp://docs.oasis-open.org/xri/xrd/v1.0/xrd-1.0.html

http://example.com/describe?uri=acct:joe@example.com<?xml version='1.0' encoding='UTF-8'?><XRD xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0'> <Subject>acct:joe@example.com</Subject> <Alias>http://example.com/profiles/joe</Alias> <Link rel='http://portablecontacts.net/spec/1.0' href='http://example.com/api/people/' /> <Link rel='http://webfinger.net/rel/profile-page' type='text/html' href='http://example.com/profiles/joe' /> <Link rel='http://microformats.org/profile/hcard' type='text/html' href='http://example.com/profiles/joe' /> <Link rel='describedby' type='text/html' href='http://example.com/profiles/joe' /> <Link rel='http://webfinger.net/rel/avatar' href='http://example.com/profiles/joe/photo' /></XRD>

Portable Contacts

{ "id" : "example.org:34KJDCSKJN2HHF0DW20394", "displayName" : "Janey", "name" : {"unstructured" : "Jane Doe"}, "gender" : "female"}

•standardized access to user data and their relations (Social Graph)

•simple to use

http://portablecontacts.net/

He want‘s to follow Steve‘s status updates

ActivityStrea.ms

•Standard for a stream of activities (Feed)

•Atom based

http://activitystrea.ms/

PubSubHubbubretrieves Atom feed with Hub URL

posts sthpings everysubscriber

subscribes for feed

ackssubscription

http://code.google.com/p/pubsubhubbub/

Now Bill mentions Steve to his pal

have a look at @steve stream

and what about Comments?

new macs will have IE9

I would‘ve chosenChrome

Salmon

http://www.salmon-protocol.org/

Salmon

Bill is now on his favourite Video Portal

He want‘s to share a video with his friends

... but his favourite social network has no sharing button at YouTube

Nascar Problem

http://xauth.org/

XAuth at Provider

•100% Client Technology

XAuth.extend({ token: "1", expire: new Date().getTime() + 60*60*24*1000, extend: ["*"], });

Login xauth.org/xauth.js

XAuth at Consumer

Visits xauth.org/xauth.js

XAuth.retrieve({ retrieve: ['xauth.org'], callback: receiveTokens });

•But static server on central domain needed

OExchange

•Common API for publishing sth. into social networks

http://www.example.com/share.php?url={URI}&title={title for the content}&description={short description of the content}&ctype=flash&swfurl={SWF URI}&height={preferred SWF height}&width={preferred swf width}&screenshot={screenshot URI}

http://www.oexchange.org/

Discovery over XRD<?xml version='1.0' encoding='UTF-8'?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"> <Subject>http://www.example.com/linkeater</Subject> <Property type="http://www.oexchange.org/spec/0.8/prop/vendor"> Examples Inc.</Property> <Property type="http://www.oexchange.org/spec/0.8/prop/title"> A Link-Accepting Service</Property> <Link rel= "icon" href="http://www.example.com/favicon.ico" type="image/vnd.microsoft.icon" /> <Link rel= "http://www.oexchange.org/spec/0.8/rel/offer" href="http://www.example.com/linkeater/offer.php" type="text/html" /></XRD>

Now there is a link in his status update

cool video:http://www.youtube.com/watch?v=OFzkTxiwziQ

OEmbed

•Retrieves embeddable content for a given link

http://www.flickr.com/services/oembed/?url=http%3A//www.flickr.com/photos/bees/2341623661/

{ "version": "1.0", "type": "photo", "width": 240, "height": 160, "title": "ZB8T0193", "url": "http://farm4.static.flickr.com/3123/2341623661_7c99f48bbf_m.jpg", "author_name": "Bees", "author_url": "http://www.flickr.com/photos/bees/", "provider_name": "Flickr", "provider_url": "http://www.flickr.com/"} http://oembed.com/

OEmbed Discovery

•Discoverable through meta tags at original resource

The embedded result

cool video:

OEmbed Aggregation

•embed.ly•supports 112 services over one endpoint

•several libraries•easy implementation

http://embed.ly/

Bill is really into social games

Social Apps with OpenSocial

•One App, many containers•Users of one container can play with users on other containers

•Widely adopted into many social networks

•Also used in some enterprise applications

http://www.opensocial.org/

OpenSocial Reach

OpenSocial Europe Event06.12. - 07.12.

Utrecht (NL)

http://blog.opensocial.org/2010/10/first-european-opensocial-event-in.html

Many standards available

But still much to be done

•Friends and Friendships•Privacy•Access Control•What is the right identifier?•More than one provider with one E-Mail Address?

•Wide adoption•Easy implementation

Many projects - one common goal

http://federatedsocialweb.net

And many people working on it

http://federatedsocialweb.net

Social Web Acid Test - Level 0

factoryjoe

How far is VZnet?

•OpenSocial•OEmbed•OExchange•XRD•PortableContacts•ActivityStrea.ms•OpenID•WebFinger•PubsubHubbub

•Salmon•XAuth

Thank you

http://studivz.net/bastianhttp://twitter.com/BastianHofmannhttp://slideshare.net/bashofmann

http://github.com/vznethttp://developer.studivz.net

Opening up the Social Web - Standards that are bridging the Islands

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