2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded1

Folksonomies,OntologiesandCorporateBlogging

Alexandre Passant – EDF R&D / LaLICCJean-David Sta – EDF R&DPhilippe Laublet – LaLICC

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded2

1

Corporate Blogging and Folksonomies

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded3

Information Process in Companies

• Formal information, reports …• Archives, search engines, diffusion process

• E-mails, coffee-break …• Scattered information• Restricted, closed diffusion and answering process• Information loss

• Idea• Use weblogs to store and exchange this unstructured – but often rich ! -

information· Used in an internal project at EDF R&D to share information between

researchers

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded4

Corporate Blogging and Folksonomies

• Post annotation

• Automated documentary meta-data (DublinCore terms)• Folksonomies and / or ontologies ?

• Folksonomies

• Experimenting a widely-used web practice• First-time use for our users• Quick adoption, both in searching and publishing

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded5

Visualizing the Folksonomy

• Tagcloud • Flash interface to browse tagsnetworks

• Latest posts for each tags• Navigate through different tags

networks

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded6

Statistics

• First year results

• 200 users, 50 regular bloggers• 4500 posts• 3700 tags• 22000 tags / items relationships (~5 tags / post)

• Tags analysis

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded7

2

Identifying and Solving Folksonomy Flaws

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded8

Folksonomy Flaws

• Tags redundancy and ambiguity

• Variation:· EDF, Électricité De France

• Ambiguity:· CNE: law or organisation ?

• Flat organisation of the folksonomy

• Related or suggested tags· “Austria”: what about “Vienna” ?

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded9

Linguistic Analysis of Tags Variations (1/2)

• Elision

• Reducing a compound word into one word:· “Electrical Network”, “Network”

• Synonymy

• One word· “Nuclear”, “Atomic”

• One component· “Wind pump”, “Wind turbine”

• Abbreviation

• Acronyms· “Électricité de France”, “EDF”

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded10

Linguistic Analysis of Tags Variations (2/2)

• Morphological variation

• One word· “Electric”, “Electrical”

• One component· “Heating system” “Heat system”

• Typographic variation

• Characters· “Wind pump”, “Windpump”, “Wind-pump”

• Errors

• Typographic or orthographic· “Weblog”, “Welbog”, “Webblog”

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded11

Completing and Suggesting Tags from Post Content

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded12

3

Going Further with the Semantic Web

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded13

A Few Words About the Semantic Web

• Semantic Web

• Extending the current Web• Unified description of resources

• Ontologies

• Representation of a domain• Common vocabulary

• Languages

• Modeling: RDF(S), OWL …• Querying: SPARQL …

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded14

Folksonomies and Ontologies

• Mixing both approaches

• Keep the open spirit of folksonomies• Use ontology layer as a formal way to represent data• Remove ambiguity and add meaning to tags

• How ?

• Link tags to domain ontology concepts• Create links between posts and ontology concepts using SIOC

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded15

From Tags to Ontology (1/5)

1) Create and tag post

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded16

From Tags to Ontology (2/5)

1) Create and tag post

2) Link tag to ontology

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded17

From Tags to Ontology (3/5)

1) Create and tag post

2) Link tag to ontology

3) Link post to ontology

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded18

From Tags to Ontology (4/5)

1) Create and tag post

2) Link tag to ontology

3) Link post to ontology

4) Create new post

2006.10.02 Folksonomies, Ontologies and Corporate Blogging - BlogTalk Reloaded19

From Tags to Ontology (5/5)

1) Create and tag post

2) Link tag to ontology

3) Link post to ontology

4) Create new post

5) Infer related post

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A Semantic Search Engine

• Tags and concepts

• Find concept(s) and displayassociated tags

• Blog posts

• Display blog posts for searchedconcept

• Related posts

• Based on ontology relationships· Search for a country, list

all cities• Ability to create rules

· All companies located ina city

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New Ways to View Blog Posts

• Real resources

• Properties, relations …· Geolocation of posts tagged with a city name

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4

Conclusion and Discussion

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Conclusion

• Mixing folksonomies and ontologies• Keep simplicity of free tagging• Tags as real resources• Provide a better search interface for blog posts• Infer related posts / topics

• A real use-case• Adapt model and interfaces to users needs

• Future works• Information extraction from blog posts using ontologies• New ways to view and query blog posts