Talk @ NUIG on current research for a distributed Social Web

1. Social Web
The Next Generation
Galway, 12 January 2011
Dr. Alexandre Passant
DERI, NUI Galway
http://apassant.net - @terraces

2. Social Web
The New Generation
Galway, 12 January 2011
Dr. Alexandre Passant
DERI, NUI Galway
http://apassant.net - @terraces

3. http://web.archive.org/web/19980704011807/http://www2.geocities.com/

4. blogs, wikis, social
networking, ...
By Matt Hamm @ http://www.flickr.com/photos/matthamm/2945559128

5. 700 billion
minutes per month on facebook
http://www.facebook.com/press/info.php?statistics

6. 90 million
tweets per day
http://techcrunch.com/2010/09/14/twitter-seeing-90-million-tweets-per-day/

7. http://techcrunch.com/2010/09/14/twitter-seeing-90-million-tweets-per-day/

8. 24 hours
of video per minute on YouTube
http://www.youtube.com/t/fact_sheet

9. 200+ languages
in Wikipedia
http://meta.wikimedia.org/wiki/List_of_Wikipedias

11. By David Simonds

12. By Chris Campbell Hamm @ http://www.flickr.com/photos/cgc/5259321/

13. Can we do better ?

14. Can we do better ?
Open
Distributed
Semantic

15. Open
Share your data,
whenever and wherever you want

16. Distributed
Own your data,
in your own space

17. Semantic
Enhance your data,
to make more sense of it

18. How ?

19. How ?

20. How ?

25. ? ?
?

26. ? ?
?
?
?
?

27. Original by Tim Berners-Lee @ http://www.w3.org/Talks/WWW94Tim/
Update by Dan Brickley @ http://www.slideshare.net/danbri/when-presentation-849447

28. lod-cloud.net

29. lod-cloud.net

30. Semantic Web ?
Linked data ?
Social Web ?

31. Social Semantic Web
Breslin et al. 2009

32. I think we could...have both Semantic Web
technology supporting online communities,
but at the same time also online
communities can also support Semantic
Web data by being the sources of people
voluntarily connecting things together.
Tim Berners-Lee, ISWC2005 Interview

33. Languages

34. Resource
Description
Framework

36. @prefix dct: <http://purl.org/dc/terms/> .
<http://example.org/dm110-semweb>
dct:title
“Introduction to the Semantic Web” ;
dct:author
<http://apassant.net/alex> ;
dct:subject
<http://dbpedia.org/resource/Semantic_Web> .

37. RDFa

38. RDFa

39. RDFa

40. SPARQL
SELECT ?person
WHERE {
?person a foaf:Person ;
foaf:topic_interest :Web .
}

41. Ontologies

42. People and Social
Networks
foaf-project.org

43. homepage
Friend of a Friend (FOAF)
isPrimaryTopicOf
primaryTopic
page
topic
owl:Thing PersonalProfileDocument
depiction
based_near name thumbnail
depicts
rdfs:seeAlso
made maker
geo:SpatialThing Image
geo:lat
tipjar
Document dc:title
geo:long dc:description
Agent weblog
dc:subject
gender img dc:date
Organization jabberID openid dc:format
mbox_sha1sum dc:rights
mbox interest
cc:requires
ya:blogActivity Person workplaceHomepage cc:permits [...]
member
birthday accountServiceHomepage
Group nick
givenName account
familyName
domain range plan
title [...]
smaller another
subClassOf
Class Class bio:olb
functional property: max 1 value per Thing
OnlineAccount
knows
accountName
inverse functional: max 1 thing per value
x
doap:Project sioc:UserAccount
p1
inverse Project doap:old-homepage
properties: doap:maintainer sioc:moderator_of
p2
x p1 y = y p2 x
doap:developer sioc:administrator_of
y
doap:translator [...] sioc:subscriber_of [...]
http://foaf-project.org

48. http://apassant.net/home/2008/01/foafgear/

49. Communities and
Content
sioc-project.org

50. Breslin et al. 2009

51. http://rdfs.org/sioc/spec

52. http://www.w3.org/TR/hcls-sioc/

53. Tagging
Passant et al. 2009

54. Tagging
Passant et al. 2009

55. Tagging
Passant et al. 2009

56. Tagging
Passant et al. 2009

57. commontag.org

59. :Apple :Apple_Inc. :Apple_Records

60. :Apple :Apple_Inc. :Apple_Records
:Species :Computer_Hardware :Rock_Music

61. Projects

62. drupal.org

63. status.net

64. smob.me
Passant et al, 2010

65. Local SPARQL/Update
SMOB hub at http://apassant.net
HTTP POST
SPARQL/Update +
HTTP POST
http://twitter.com
SMOB hub at http://example.org

66. User-Interface
Topics MOAT
Data SIOC
Presence OPO
Profiles SIOC
People FOAF
Representations Ontologies

69. Applications

70. Cross-commenting
http://sindice.com/developers/siocwidget

71. Semantic SNA
amazon:B000G01ABM
dc:subject moat:taggedWith
dbpedia:Toy dbpedia:Transformers
skos:subject
dbpedia:Category:Transformers imdb:tt0142032 youtube:ajkPBl2LMM
skos:broader foaf:topic linkedmdb:genre moat:taggedWith moat:taggedWith
dbpedia:Category:Science_fiction_by_franchise dbpedia:Dune_(film) dbpedia:Science_fiction dbpedia:Animation
skos:broader skos:subject
dbpedia:Category:Science_fiction
Kinsella et al. 2010

72. Semantic SNA
Kinsella et al. 2010

73. Mash-ups
http://wiki.dbpedia.org/DBpediaMobile

74. Expert finding
SELECT ?who WHERE {
?who foaf:topic_interest
dbpedia:Semantic_Web ;
foaf:based_near dbpedia:Galway.
}
Try it on http://lod.openlinksw.com/sparql

75. Cross-domain
recommendations
:alex foaf:knows :yves foaf:knows :tom
foaf:topic_interest foaf:topic_interest
dbpedia:Ramones dbpedia:Rancid
Passant and Raimond 2008

76. Challenges

77. Trust and Privacy,
Provenance ...

78. webid.info

79. Orlandi et al, 2010

80. What’s next ?

81. Ubiquitous
Real-time
Pro-active

83. Sakaki et al, 2010

84. Sakaki et al, 2010

85. code.google.com/p/sparqlpush
Passant and Mendes 2010

86. bit.ly/twarql
Mendes et al. 2010

87. http://www.w3.org/2008/09/msnws/papers/sensors.html

88. Standardisation

92. References
• Passant and Raimond 2008. “Combining Social Music and Semantic Web for music-related
recommender systems” SDOW, 2008.
• Passant et al. 2009. “A URI is Worth a Thousand Tags: From Tagging to Linked Data with MOAT”.
IJSWIS, 2009
• Breslin et al. 2009. “The Social Semantic Web”. Springer, 2009
• Sakaki et al. 2009. “Earthquake Shakes Twitter Users: Real-time Event Detection by Social
Sensors”. WWW, 2009
• Kinsella et al. 2010. “Using hyperlinks to enrich message board content with linked data”. I-
SEMANTICS, 2010
• Passant et al. 2010. “Open, Distributed and Semantic Microblogging with SMOB”. ICWE, 2010
• Passant and Mendes 2010 “sparqlPuSH: Proactive notification of data updates in RDF stores
using PubSubHubbub”. SFSW, 2010
• Mendes et al. 2010. “Linked Open Social Signals”. Web Intelligence, 2010
• Orlandi et al. 2010. “Semantic Representation of Provenance in Wikipedia”. SWPM, 2010

93. Questions ?
Acknowledgements:
DERI and USS colleagues & students
SFI (Lion2)
EU FP7 (SPITFIRE)
Google Research Award
Cisco RFP
IRCSET