Social Semantic Web (Social Activity and Facebook)
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Social Semantic Web(Social Activity and Facebook)
Dr. Myungjin Lee
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Web of Documents
2
Nice web-
pages!
HTML
HTML
HTML
HTML
link
link
link
link
HTML
HTML
link
link
HTML isa language for describing web pages.
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Semantic Web
The Semantic Web is a collaborative movement led by the World Wide Web Consortium (W3C) that promotes common formats for data on the World Wide Web. By encouraging the inclusion of semantic content in web pages, the Semantic Web aims at converting the current web of un-structured documents into a "web of data".
http://en.wikipedia.org/wiki/Semantic_web
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few years ago recently
machine understandable machine processible
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Linked Data
a term used to describe a recommended best practice for ex-posing, sharing, and connecting pieces of data, information, and knowledge on the Semantic Web using URIs and RDF
machine explorablehttp://linkeddata.org/
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2007-05-01 2007-11-10 2008-09-18 2009-07-14
2010-09-222011-09-19
http://richard.cyganiak.de/2007/10/lod/
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Principle of Linked Data
1. Use URIs as names for things
2. Use HTTP URIs so that people can look up those names.
3. When someone looks up a URI, provide useful information, using the standards (RDF*, SPARQL)
4. Include links to other URIs. so that they can discover more things.
http://www.w3.org/DesignIssues/LinkedData.html
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Social Network
A social network is a social struc-ture made up of individuals (or or-ganizations) called "nodes", which are tied (connected) by one or more specific types of interdepen-dency, such as friendship, kinship, common interest, financial ex-change, dislike, sexual relation-ships, or relationships of beliefs, knowledge or prestige.
http://en.wikipedia.org/wiki/Social_network
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The web is more a social cre-ation than a technical one. I de-signed it for a social effect — to help people work together — and not as a technical toy.
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Social Web
The social Web is a set of social rela-tions that link people through the World Wide Web. The Social web encom-passes how websites and software are designed and developed in order to support and foster social interaction.
http://en.wikipedia.org/wiki/Social_web
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http://www.hitwise.com/us/datacenter/main/dashboard-10133.html
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http://www.alexa.com/siteinfo/google.com
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Information Flow
Traditional Web(like Google)
Social Network Services(Facebook, Twitter, etc.)
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Distributed and Separated Data in the Social Web
http://www.slideshare.net/Cloud/the-social-semantic-web
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If …
http://www.slideshare.net/Cloud/the-social-semantic-web
We can make better ser-
vices.
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Social Semantic Web
The concept of the Social Semantic Web subsumes develop-ments in which social interactions on the Web lead to the cre-ation of explicit and semantically rich knowledge representa-tions. The Social Semantic Web can be seen as a Web of collec-tive knowledge systems, which are able to provide useful infor-mation based on human contributions and which get better as more people participate.
http://en.wikipedia.org/wiki/Social_Semantic_Web
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Syntax Semantic
World Wide WebURIs, HTML, HTTP
Semantic WebRDFS, OWL, SPARQL
Social WebWikis, blogs, social networks
SocialSemantic WebSIOC, DBpedia, Twine
http://www.slideshare.net/Cloud/the-social-semantic-web
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What are benefits?
• to describe people, object, and connection
between them based on RDF
• semantic interoperability
• machine processible data for social applica-
tions
• rich data sources for semantic applications
• to provide better social services
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FOAF
The Friend of a Friend (FOAF) project is creating a Web of machine-readable pages de-scribing people, the links be-tween them and the things they create and do; it is a contribution to the linked in-formation system known as the Web. FOAF defines an open, decentralized technol-ogy for connecting social Web sites, and the people they describe.
foaf:Person
foaf:Person
foaf:Person
foaf:Person
foaf:Personfoaf:knows
http://www.foaf-project.org/
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More Relationships
RELATIONSHIP: A vocabulary for describing relationships be-tween peoplehttp://purl.org/vocab/relationship
spouseOfenemyOf
closeFriendOf
worksWith
livesWith
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foaf:Person
foaf:Person foaf:Person
foaf:Person foaf:Person
foaf:Personfoaf:Person foaf:Person
rel:childOf rel:mentorOf
rel:spouseOfrel:worksWith rel:friendOf
rel:siblingOf
foaf:Person foaf:Person
rel:employerOfrel:influencedBy rel:livesWith
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Social Objects
Social network theory is good at representing links between people but it doesn’t explain what connects those particular people and not others.People don’t just connect to each other. They connect through a shared object. … Good services allow people to create social objects that add value.
- Jyri Engeström -
http://www.slideshare.net/jyri/building-sites-around-social-objects-web-20-expo-sf-2009
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Social Objects that we create
• Discussions
• Bookmarks
• Annotations
• Profiles
• Microblogs
• Multimedia
http://www.slideshare.net/Cloud/the-social-semantic-web
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SIOC
Semantically-Interlinked Online Communities(SIOC) Project pro-vides methods for interconnecting discussion methods such as blogs, forums and mailing lists to each other. It consists of the SIOC ontology, an open-standard machine readable format for expressing the information contained both explicitly and implic-itly.
http://en.wikipedia.org/wiki/SIOC
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SKOS
Simple Knowledge Organization System
(SKOS)
is a family of formal languages de-
signed for
representation of thesauri, classifica-
tion
schemes, taxonomies, subject-
heading
systems, or any other type of
structured controlled vocabu-
lary.
http://en.wikipedia.org/wiki/SKOS
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http://www.slideshare.net/Cloud/the-social-semantic-web
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Lifestreaming
A Lifestream is a time-ordered stream of online / Internet activ-ity events that functions as a di-ary of your electronic life. The goal of Lifestreams is to mini-mize the time users spend man-aging their documents and elec-tronic events while increasing their ability to find and make use of this information.http://cs-www.cs.yale.edu/homes/freeman/lifestreams.html
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createshare
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aggregatingstreams
createshare
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Activity Streams
The Activity Streams project is an effort to develop an activity stream protocol to syndicate activities across social Web applications. Several major websites with activity stream implementations have already opened up their activity streams to developers to use, including Facebook and MySpace.
http://en.wikipedia.org/wiki/Activity_stream
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Actor verb object target
Myungjin Lee tweeted KSWC 2011
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Atom JSON
based on two syntaxes, and
http://activitystrea.ms/
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As you know, Atom and JSON are not based on RDF Model.
Atom JSONBut you can translate it to RDF.
It is not good idea.
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I am notthe fanatic
of Facebook.
But I agree thatFacebook is
the best SNS.No one can deny it.
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Who are my friends?
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Social Graph
The social graph describes the relationships between individuals online. It has been described as "the global mapping of every-body and how they're related".The term was popularized at the Facebook f8 conference on May 24, 2007, when it was used to explain that the Facebook Plat-form, which was introduced at the same time, would benefit from the social graph by taking advantage of the relationships between individuals, that Facebook provides, to offer a richer on-line experience.
http://en.wikipedia.org/wiki/Social_graph
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First Social Graph of Facebook in 2006
is a friend of
is a friend of
is a friend of
is a friend of
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Who are my friendsthose who like the Breaking Dawn?
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At third Facebook F8 conference on 2010
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Open Graph of Facebook in 2010
is a friend of
is a friend of
is a friend of
is a friend of
like
Social Object
like
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Social Object in the Open Graph
click “like” button
Web Page
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Social Object in the Open Graph
like
Social Object
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Open Graph Protocol
The Open Graph protocol enables developers to integrate their pages into the social graph. These pages gain the functionality of other graph objects including profile links and stream updates for connected users. It is based on RDFa.
http://developers.facebook.com/docs/opengraph/
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Example of Open Graph Protocol
<html xmlns:og="http://opengraphprotocol.org/schema/" xmlns:fb="http://www.facebook.com/2008/fbml"> <head> <meta property="og:url" content="http://www.imdb.com/title/tt1285016/" /> <meta property='og:image' content='http://ia.media-imdb.com/…140_.jpg'> <meta property='og:type' content='movie' /> <meta property='fb:app_id' content='115109575169727' /> <meta property='og:title' content='The Social Network (2010)' /> <meta property='og:site_name' content='IMDb' />...
based on RDFa
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Open Graph Protocol includes …
• URL• Type• Title• Image• Short Description• Site Name• Location• Contact Information
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The Type of Object
• album• book• drink• food• game
• activity• sport
• bar• company• café• hotel• restaurant
• cause• sports_leagu
e• sports_team
• band• government• non_profit• school• university
• movie• product• song• tv_show
• actor• athlete• author• public_figure
• musi-cian
• politi-cian
• director
• city• country• landmark• state_provin
ce
• article• blog• website
Products and Entertain-ment
Activities
Businesses
Groups
Organizations
People
Places
Websites
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<html xmlns:og="http://opengraphprotocol.org/schema/" xmlns:fb="http://www.facebook.com/2008/fbml"> <head> <meta property="og:url" content="http://www.imdb.com/title/tt1285016/" /> <meta property='og:image' content='http://ia.media-imdb.com/…140_.jpg'> <meta property='og:type' content='movie' /> <meta property='fb:app_id' content='115109575169727' /> <meta property='og:title' content='The Social Network (2010)' /> <meta property='og:site_name' content='IMDb' />...
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Who are my friendsthose who watch the Breaking Dawn?
cook …run …play …
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At fourth Facebook F8 conference on 2011
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Open Graph of Facebook in 2011
is a friend of
is a friend of
is a friend of
is a friend of
like
watch
watch
cook
like
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In 2010, we extended the social graph, via the Open Graph pro-tocol, to include 3rd party web sites and pages that people liked throughout the web. We are now extending the Open Graph to include arbitrary actions and objects created by 3rd party apps and enabling these apps to integrate deeply into the Facebook experience.
https://developers.facebook.com/docs/beta/
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How to build Open Graph app
• Step 1: Create a Facebook app
• Step 2: Authenticate users with the Add to Timeline
plugin
• Step 3: Define initial action, object, and aggregation in
the Dev App
• Step 4: Publish Actions for your users
• Step 5: Add Social Plugins to your app: Facepile plugin,
Activity plugin, and Recommendations plugin
• Step 6: Submit Your Actions for approvalhttps://developers.facebook.com/docs/beta/opengraph/tutorial/
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Define Actions and Objects
People can Action a Object.
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Create a Social Object
<meta property='og:type' content='me:recipe' />
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Publish a Social Action
https://graph.facebook.com/me/YOUR_NAMESPACE:cook ?recipe=OBJECT_URL&access_token=ACCESS_TOKEN
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When you click "Cook" Button, …
cookSocial Ob-ject
http://example.com/cook-ie.html
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Social Object on your Social Channel
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Open Graph Mechanics
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Meaning of Open Graph on the SSW
Facebook was launching the “Semantic Web” without calling it that. … Perhaps only Facebook, based on genuine identity, could build a real Semantic Web that centers around people and what they do.
http://www.forbes.com/sites/techonomy/2011/09/22/facebooks-changesits-all-about-the-platform/
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Mapping Vocabularies of OGP
og:title rdfs:seeAlso rdfs:label.
og:type rdfs:seeAlso rdf:type.
og:url rdfs:seeAlso foaf:page.
og:image rdfs:seeAlso foaf:depiction.
og:description rdfs:seeAlso rdfs:comment.
og:latitude rdfs:seeAlso geo:lat.
og:longitude rdfs:seeAlso geo:long.
og:email rdfs:seeAlso foaf:mbox.
og:phone_number rdfs:seeAlso foaf:phone.
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Mapping Social Objects and Actions
ObjectAction
rdfs:Class or owl:Classowl:ObjectProperty
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<owl:Class rdf:about="http://samples.ogp.me/Recipe">
<rdfs:label xml:lang="en-US">Recipe</rdfs:label>
<rdfs:seeAlso rdf:resource="http://dbpedia.org/ontology/Recipe"/>
</owl:Class>
<owl:ObjectProperty rdf:about="http://samples.ogp.me/cook">
<rdfs:label xml:lang="en-US">Cook</rdfs:label>
</owl:ObjectProperty>
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Mapping of Social Objects
Individual of it's type
<rdf:Property rdf:about="og:type">
<rdfs:label xml:lang="en-US">type</rdfs:label>
<rdfs:seeAlso rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#type"/>
<rdfs:isDefinedBy rdf:resource="http://ogp.me/ns#"/>
</rdf:Property>
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<meta property='og:type' content='me:recipe' />
<http://example.com/cookie.html rdf:type me:recipe>
Social Ob-ject
http://example.com/cook-ie.html
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cook
http://example.com/cook-ie.html
Social Ob-ject
http://www.facebook.com/mjinlee
http://example.com/cookie.html
http://samples.ogp.me/Recipe
Stuffed Cookies
me:cookrdf:type
http://example.com/zhen/cookie.jpg
The Turducken of Cookies
http://example.com/zhen/cookie.html
og:title
og:image
og:descriptionog:url
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Social Semantic Web is …
to make and providebetter services for users
based on
![Page 71: Social Semantic Web (Social Activity and Facebook)](https://reader037.fdocuments.net/reader037/viewer/2022110113/5447457aafaf9f55178b49ae/html5/thumbnails/71.jpg)
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We are going to change the uni-
verse.
![Page 72: Social Semantic Web (Social Activity and Facebook)](https://reader037.fdocuments.net/reader037/viewer/2022110113/5447457aafaf9f55178b49ae/html5/thumbnails/72.jpg)
Question
![Page 73: Social Semantic Web (Social Activity and Facebook)](https://reader037.fdocuments.net/reader037/viewer/2022110113/5447457aafaf9f55178b49ae/html5/thumbnails/73.jpg)
About Me
http://www.semantics.kr/
http://www.twitter.com/MyungjinLee
http://www.facebook.com/mjinlee
http://www.slideshare.net/onlyjiny