Bridging Social Web and Sem Web : 2 application cases in the field of sustainable developpment

From folksonomies to structured knowledge representations: bridging Collaborative Web and Semantic Web

Des folksonomies aux représentations structurées de connaissances: faire le pont entre Web Collaboratif et Web

Sémantique

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A D B S / C o o p é r a - o n & D é v e l o p p em e n t A t e l i e r We b S ém a n - q u e e t D é v e l o p p em e n t D u r a b l e – 3 1 . 0 1 . 2 0 1 1

Freddy Limpens fdy@pl-‐area.net

h0p://pl-‐area.net

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From social tagging to folksonomies

Tags freely associated to resources …

… collected and shared on the web

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… resul=ng in

FOLKSONOMIES

A mass of users for a mass of resources

Limita-ons of folksonomies

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Spelling varia-ons of tags:

newyork = new_york = nyc

Lack of seman-c links between tags


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Lack of interoperability between social data repositories


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How to turn folksonomies ...

?... into

topic structures (thesaurus) ?

pollution

Soil pollutions

has narrower

pollutant Energy

related related

1.   State of the art

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State of the art

Involving users in tags structuring:

•  Simple syntax to structure tags (Huyn-‐Kim Bang et al. 2008)

•  Crowdsourcing strategy to validate tag-‐concepts mapping (Lin et al. 2010)

pollution

Soil pollutions

has narrower

pollutant Energy

related related

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State of the art

Automa-c extrac-on of tag seman-cs:

pollution

Soil pollutions

has narrower

pollutant Energy

related related

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Tags and Seman-c Web models

TAGS + SCOT + SIOC + FOAF for tags and tagging :

tags:Tagging #11111

sioc:Item h0p://www.windenergy.com

tags:taggedResource

scot:Tag #wind-‐energy

tags:associatedTag

foaf:Agent #freddy.limpens

tags:taggedBy

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Tagging = linking a resource with a sign

What is a tagging ?

"nature"!

picture shows "nature" (1) (2) (3)

place located l:england

edi=ng makes me : )

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NiceTag (Monnin et al, 2010):

Tagging as named graphs*

*Carrol et al. (2005)

nt:TaggedResource h0p://www.windenergy.com

nt:ManualTagAc=on (named graph)

nt:isAbout scot:Tag #wind-‐energy

sioc:UserAccount freddy

sioc:has_creator

sioc:Container delicious.com

sioc:has_container

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2 complementary seman=c enrichment:

wind-‐energy

renewable energy

windenergy

wind turbine

has broader

close match

has narrower

environment

related

Structuring tags as in a thesaurus (SKOS)

2.   1st Applica-on case : Corpus management at ADEME

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Ademe scenario

Experts produce docs

+ tag Archivists

centralize + tag

Public audience read + tag

ADDING TAGS

Automatic processing

User-centric structuring

Detect conflicts

Global structuring

Flat folksonomy

Structured folksonomy

Folksonomy enrichment life-‐cycle

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ADDING TAGS



Detect conflicts

Global structuring

Flat folksonomy



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1. String-‐based metrics

pollution Soil pollutions

pollutant pollution

=> « pollution » related to « pollutant »

=> « pollution » broader than « soil pollutions »

renewable energy wind-‐energy

Alex

Delphine

Claire

Monique

Anne

⇒  Hyponym rela=ons (broader/narrower):

« renewable energy » broader than « wind-‐energy »

3. User-‐based associa-on

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3. User-‐based associa-on

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!"#$%&'"()&$!"#$*"&&'+)&$!"#$#,)--.*/$0"&."*1$!"#$&)-"1)($

,'+)&)($%2$/),!.3'&/$

Computed rela.ons are not always accurate

ADDING TAGS



Detect conflicts

Global structuring

Flat folksonomy



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Capturing users's contribu-ons

Embedding structuring tasks within everyday ac.vity (searching e.g)

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Capturing users's contribu-ons

ADDING TAGS



Detect conflicts

Global structuring

Flat folksonomy



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Conflict detec-on

environment pollu=on narrower

John

hasApproved

Anne

hasApproved

broader

Monique

hasApproved

Delphine

hasApproved

Experimenta-on at ADEME

!"#$%&'#()*+,)

-../"012)34,)

516787691):;,)

<1=1&812):+,)

!"#$%&'("&$)*+,&-$'.$/'012/-$+'&3204$

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ADDING TAGS



Detect conflicts

Flat folksonomy



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Global structuring

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Global map

Includes all points of view, highlights conflicts + consensuses

Referent choices

31 Choices of the referent user (archivists at Ademe e.g.)

ADDING TAGS



Detect conflicts

Global structuring

Flat folksonomy



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Each point of view corresponds to a layer

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Enriching individual points of view

Integra=ng others' contribu=ons: 1.  Current user -‐> "Anne" 2.  ReferentUser (e.g. archivists) 3.  ConflictSolver (sohware agent) 4.  Other individual users 5.  Automatons (metrics)

BROADER

NARROWER

RELATED

CLOSE MATCH

environnement Search:

preoccupa=on environnementales

grenelle de l environnement

competences environnementales

environment

environmental

domaines environnementaux

Anne is looking for resources tagged "environnement"

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2.   2nd Applica-on case : Leveraging the reuse of 2nd hand objects

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How will I get rid of all these rusty coffee makers??

Paris

Nice

Digitazing the stock of 2nd hand shops

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? ?

?

The goal : Finding semantically

Related tags To enhance searching

coffee maker

Seman-cally Enhanced catalog

The idea : Mapping tags With ontologies’ concepts

Hot liquid container

coffee maker coffee pot

tea pot

= subClassOf


Results for "coffee maker":

coffee maker

Related results :

Results for "tea pot":

Results for "coffee pot":

1. The user enter "coffee maker"


2. The system suggests addi=onal results thanks to seman=c rela=ons

5.   Conclusion

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What we do :

Help online communi=es

structure their tags wind-‐energy

renewable energy

sustainability

wind turbine

has broader

related

has narrower

environment

related

  An approach to bridge tagging with Seman-c Web:

  Automa-c processing of tags:

  User interface to capture tag structuring embedded in every-‐day tasks

  Implementa-on within ISICIL solu=on (tagging server)

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Our contribu-ons:

•  1st scenario:

•  More user interfaces

•  test within ISICIL (ANR) project

•  Mul=linguism

•  2nd scenario:

•  op=miza=on of storage in the reuse of valued waste

•  generic applica=ons

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Future work

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Thank you for your aden-on !

me : [email protected] http://www-sop.inria.fr/members/Freddy.Limpens

my advisors : Fabien Gandon : [email protected] Michel Buffa : [email protected]

ISICIL team : http://isicil.inria.fr

Bridging Social Web and Sem Web : 2 application cases in the field of sustainable developpment

Technology

related tags

folksonomies tags

tags structuring

associatedtag tags

semanc web models tags

windenergy sioc

windenergy h0p

ons related results