on the many graphs of the web and the interest of adding their missing links
TRANSCRIPT
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ON THE MANY GRAPHS OF THE
WEB AND THE INTEREST OF
ADDING THEIR MISSING LINKS.
Fabien GANDON, @fabien_gandon http://fabien.info
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WIMMICS TEAM
Inria
CNRS
University of Nice
Inria Lille - Nord Europe (2008)
Inria Saclay – Ile-de-France
(2008)
Inria Nancy – Grand Est
(1986)
Inria Grenoble – Rhône-
Alpes (1992)
Inria Sophia Antipolis Méditerranée (1983)
Inria Bordeaux
Sud-Ouest (2008)
Inria Rennes
Bretagne
Atlantique
(1980)
Inria Paris-Rocquencourt
(1967)
Montpellier
Lyon
Nantes
Strasbourg
Center
Branch
Pau
I3S
Web-Instrumented Man-Machine Interactions,Communities and Semantics
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CHALLENGEto bridge social semantics andformal semantics on the Web
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WEB GRAPHS
(meta)data of the relations and the resources of the web
…sites …social …of data …of services
+ + + +…web…
= +…semantics
+ + + +…= +typedgraphs
web(graphs)
networks(graphs)
linked data(graphs)
workflows(graphs)
schemas(graphs)
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CHALLENGES
typed graphs to analyze, model, formalize and implement social semantic web applications for epistemic communities
multidisciplinary approach for analyzing and modeling
the many aspects of intertwined information systems
communities of users and their interactions
formalizing and reasoning on these models using typed graphs
new analysis tools and indicators
new functionalities and better management
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MULTI-DISCIPLINARY TEAM
50 members (2015)
14 nationalities
1 DR, 3 Professors
3CR, 4 Assistant professors
1 SRP
DR/Professors: Fabien GANDON, Inria, AI, KR, Semantic Web, Social Web Nhan LE THANH, UNS, Logics, KR, Emotions Peter SANDER, UNS, Web, Emotions Andrea TETTAMANZI, UNS, AI, Logics, Agents,
CR/Assistant Professors: Michel BUFFA, UNS, Web, Social Media Elena CABRIO, UNS, NLP, KR, Linguistics Olivier CORBY, Inria, KR, AI, Sem. Web, Programming, Graphs Catherine FARON-ZUCKER, UNS, KR, AI, Semantic Web, Graphs Alain GIBOIN, Inria, Interaction Design, KE, User & Task models Isabelle MIRBEL, UNS, Requirements, Communities Serena VILLATA, CNRS, AI, Argumentation, Licenses, Rights
Inria Starting Position: Alexandre MONNIN, Philosophy, Web
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PREVIOUSLY IN ICCSON RDF & CG
• Griwes: Generic Model and Preliminary Specifications for a Graph-Based Knowledge Representation Toolkit, Jean-François Baget, Olivier Corby, Rose Dieng-Kuntz1, Catherine Faron-Zucker, Fabien Gandon, Alain Giboin, Alain Gutierrez, Michel Leclère, Marie-Laure Mugnier, Rallou Thomopoulos, ICCS 2008
• Keynote “Web, Graphs and Semantics”Olivier Corby , ICCS 2008
…
• A Conceptual Graph Model for W3C RDF Resource Description Framework, Olivier Corby, Rose Dieng, CédricHebert, ICCS 8/14/2000
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Previously on… the Web
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10
three components of the Web architecture
1. identification (URI) & address (URL)ex. http://www.inria.fr
URL
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three components of the Web architecture
1. identification (URI) & address (URL)ex. http://www.inria.fr
2. communication / protocol (HTTP)GET /centre/sophia HTTP/1.1
Host: www.inria.fr
HTTP
URL
address
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three components of the Web architecture
1. identification (URI) & address (URL)ex. http://www.inria.fr
2. communication / protocol (HTTP)GET /centre/sophia HTTP/1.1
Host: www.inria.fr
3. representation language (HTML)Fabien works at
<a href="http://inria.fr">Inria</a>
HTTP
URL
HTML
reference address
communication
WEB
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linking open data
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multiplying references to the Web
HTTP
URL
HTML
reference address
communication
WEB
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identify what exists on the webhttp://my-site.fr
identify,on the web, what
existshttp://animals.org/this-zebra
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W3C standards
HTTP
URI
HTML
reference address
communication
WEB
universal nodes and types
identification
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a Web approach to data publication
URI ???...
« http://fr.dbpedia.org/resource/Paris »
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a Web approach to data publication
HTTP URI
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a Web approach to data publication
HTTP URI
GET
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a Web approach to data publication
HTTP URI
GET
HTML, …
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a Web approach to data publication
HTTP URI
GET
HTML,XML,…
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linked data
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ratatouille.fror the recipe for linked data
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ratatouille.fror the recipe for linked data
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ratatouille.fror the recipe for linked data
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26
ratatouille.fror the recipe for linked data
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datatouille.fror the recipe for linked data
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a Web graph data model
HTTP
URI
RDF
reference address
communication
Web of data
universal
graph data
model
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"Music"
RDFis a model for directed labeled multigraphs
http://inria.fr/rr/doc.html
http://ns.inria.fr/fabien.gandon#me
http://inria.fr/schema#author
http://inria.fr/schema#topic
http://inria.fr/rr/doc.html
http://inria.fr/schema#keyword
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GLOBAL GIANT GRAPH
of linked (open) data on the Web
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linked open data explosion on the Web
0
50
100
150
200
250
300
350
01/05/2007 01/05/2008 01/05/2009 01/05/2010 01/05/2011
number of open, published and linked datasets in the LOD cloud
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a Web graph access
HTTP
URI
RDF
reference address
communication
Web of data
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QUERY THE RDF GRAPH
SPARQL graph patterns& constraints
e.g. DBpedia
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HTTP
URI
RDFSOWL
reference address
communication
web of data
Web ontology languages
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RDFS to declare classes of resources, properties, and organize their hierarchy
Document
Report
creator
author
Document Person
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OWL in one…
algebraic properties
disjoint properties
qualified cardinality1..1
!
individual prop. neg
chained prop.
enumeration
intersection
union
complement
disjunction
restriction!
cardinality1..1
equivalence
[>18]
disjoint unionvalue restriction
keys …
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SKOSthesaurus, lexicon
skos:narrowerTransitive
skos:narrower
skos:broaderTransitive
skos:broader
#Algebra#Mathematics #LinearAlgebra
broader
narrower
broader
narrower
broaderTransitive broaderTransitive
narrowerTransitive narrowerTransitive
broaderTransitive
narrowerTransitive
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LOV.OKFN.ORG
Web directory of vocabularies/schemas/ontologies
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data traceability & trust
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PROV-O: vocabulary for provenance and traceabilitydescribe entities and activities involved in providing a resource
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RESEARCH CHALLENGES
1. user & interaction design
2. communities & social networks
3. linked data & semantic Web
4. reasoning & analyzing
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METHODS AND TOOLS
1. user & interaction design
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METHODS AND TOOLS
1. user & interaction design
2. communities & social networks
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METHODS AND TOOLS
1. user & interaction design
2. communities & social networks
3. linked data & semantic Web
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METHODS AND TOOLS
1. user & interaction design
2. communities & social networks
3. linked data & semantic Web
4. reasoning & analyzing
G2 H2
G1 H1
<Gn Hn
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METHODS AND TOOLS
1. user & interaction design
2. communities & social networks
3. linked data & semantic Web
4. reasoning & analyzing
• KB interaction (context, Q&A, exploration, …)
• user models, personas, emotion capture
• mockups, evaluation campaigns
G2 H2
G1 H1
<Gn Hn
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METHODS AND TOOLS
1. user & interaction design
2. communities & social networks
3. linked data & semantic Web
4. reasoning & analyzing
• KB interaction (context, Q&A, exploration, …)
• user models, personas, emotion capture
• mockups, evaluation campaigns
• community detection, labelling
• collective personas, coordinative artifacts
• argumentation theory, sentiment analysis
G2 H2
G1 H1
<Gn Hn
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METHODS AND TOOLS
1. user & interaction design
2. communities & social networks
3. linked data & semantic Web
4. reasoning & analyzing
• KB interaction (context, Q&A, exploration, …)
• user models, personas, emotion capture
• mockups, evaluation campaigns
• community detection, labelling
• collective personas, coordinative artifacts
• argumentation theory, sentiment analysis
• ontology-based knowledge representation
• formalisms: typed graphs, uncertainty
• knowledge extraction, data translation
G2 H2
G1 H1
<Gn Hn
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METHODS AND TOOLS
1. user & interaction design
2. communities & social networks
3. linked data & semantic Web
4. reasoning & analyzing
• KB interaction (context, Q&A, exploration, …)
• user models, personas, emotion capture
• mockups, evaluation campaigns
• community detection, labelling
• collective personas, coordinative artifacts
• argumentation theory, sentiment analysis
• ontology-based knowledge representation
• formalisms: typed graphs, uncertainty
• knowledge extraction, data translation
• graph querying, reasoning, transforming
• induction, propagation, approximation
• explanation, tracing, control, licensing, trust
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cultural data is a weapon of mass construction
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PUBLISHING extract data (content, activity…)
provide them as linked data
DBPEDIA.FR (extraction, end-point)180 000 000 triples
modelsWeb architecture
[Cojan, Boyer et al.]
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PUBLISHINGe.g. DBpedia.fr
185 377 686 RDF triples extracted and mapped
[Boyer, Cojan et al.]
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PUBLISHINGe.g. DBpedia.fr
number of queries per day
70 000 on average
2.5 millions max
185 377 686 RDF triples (edges) extracted and mapped
public dumps, endpoints, interfaces, APIs…[Boyer, Cojan et al.]
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PUBLISHINGe.g. DBpedia.fr
2.5 billion RDF triples (edges) of versioning activities
<http://fr.dbpedia.org/Réaux>
a prov:Revision ;
swp:isVersion "96"^^xsd:integer ;
dc:created "2005-08-05T07:27:07"^^xsd:dateTime ;
dc:modified "2015-01-06T10:26:35"^^xsd:dateTime ;
dbfr:uniqueContributorNb 58 ;
dbfr:revPerYear [ dc:date "2005"^^xsd:gYear ; rdf:value
"2"^^xsd:integer ] ;
…
dbfr:revPerYear [ dc:date "2015"^^xsd:gYear ; rdf:value
"1"^^xsd:integer ] ;
dbfr:revPerMonth [ dc:date "08/2005"^^xsd:gYearMonth ;
rdf:value "1"^^xsd:integer ] ;
…
dbfr:revPerMonth [ dc:date "01/2015"^^xsd:gYearMonth ;
rdf:value "1"^^xsd:integer ] ;
dbfr:averageSizePerMonth [ dc:date
"08/2005"^^xsd:gYearMonth ; rdf:value "3060"^^xsd:float ] ;
…
dbfr:averageSizePerYear [ dc:date "2015"^^xsd:gYear ;
rdf:value "4767"^^xsd:float ] ;
dbfr:averageSizePerMonth [ dc:date
"08/2005"^^xsd:gYearMonth ; rdf:value "3060"^^xsd:float ] ;
…
dbfr:averageSizePerMonth [ dc:date
"01/2015"^^xsd:gYearMonth ; rdf:value "4767"^^xsd:float ] ;
dbfr:size "4767"^^xsd:integer ;
dc:creator [ foaf:name "DasBot" ; rdf:type
scoro:ComputationalAgent ] ;
sioc:note "Robot : Remplacement de texte automatisé (-
[[commune française| +[[commune (France)|)"^^xsd:string ;
prov:wasRevisionOf
<https://fr.wikipedia.org/w/index.php?title=Réaux&oldid=103
441506> ;
prov:wasAttributedTo [ foaf:name "Escarbot" ; a
prov:SoftwareAgent ] .
[Boyer, Corby et al.]
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DBPEDIA & STTLdeclarative transformation language from RDF to text formats (XML, JSON, HTML, Latex, natural language, GML, …) [Corby, Faron-Zucker et al.]
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“searching” comes in many flavors
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SEARCHING exploratory search
question-answering
DBPEDIA.FR (extraction, end-point)180 000 000 triples
[Cojan, Boyer et al.]
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SEARCHING exploratory search
question-answering
DBPEDIA.FR (extraction, end-point)180 000 000 triples
DISCOVERYHUB.CO
semantic spreadingactivation
new evaluation protocol
[Marie, Giboin, Palagi et al.]
[Cojan, Boyer et al.]
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SEARCHING exploratory search
question-answering
DBPEDIA.FR (extraction, end-point)180 000 000 triples
DISCOVERYHUB.CO
QAKiS.ORG
semantic spreadingactivation
new evaluation protocol
[D:Work], played by [R:Person]
[D:Work] stars [R:Person]
[D:Work] film stars [R:Person]
starring(Work, Person)
linguistic relationalpattern extraction
named entity recognitionsimilarity based SPARQLgeneration
select * where {
dbpr:Batman_Begins dbp:starring ?v .
OPTIONAL {?v rdfs:label ?l
filter(lang(?l)="en")} }
[Cabrio et al.]
[Marie, Giboin, Palagi et al.]
[Cojan, Boyer et al.]
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SEARCHINGe.g. DiscoveryHub
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semantic spreading activation
SIMILARITY FILTERING
discoveryhub.co
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SEARCHINGe.g. QAKIS
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ALOOF: robots learning by reading on the Web
Annie cuts the bread in the kitchen with her knife dbp:Knife aloof:Location dbp:Kitchen
[Cabrio, Basile et al.]
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ALOOF: robots learning by reading on the Web First Object Relation Knowledge Base:
46.212 co-mentions, 49 tools, 14 rooms, 101 “possible location” relations,696 tuples <entity, relation, frame>
Evaluation: 100 domestic implements, 20 rooms, Crowdsourcing 2000 judgements
Object co-occurrence for coherence building
Annie cuts the bread in the kitchen with her knife dbp:Knife aloof:Location dbp:Kitchen
[Cabrio, Basile et al.]
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BROWSINGe.g. SMILK plugin[Lopez, Cabrio, et al.]
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BROWSINGe.g. SMILK plugin
[Nooralahzadeh, Cabrio, et al.]
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MODELING USERS individual context
social structures
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MODELING USERS individual context
social structures
PRISSMAprissma:Context
0 48.86034
-2.337599
200
geo:latgeo:lon
prissma:radius
1
:museumGeo
prissma:Environment
2
{ 3, 1, 2, { pr i ssma: poi } }
{ 4, 0, 3, { pr i ssma: envi r onment } }
:atTheMuseum
error tolerant graphedit distance
contextontology
[Costabello et al.]
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MODELING USERS individual context
social structures
PRISSMAprissma:Context
0 48.86034
-2.337599
200
geo:latgeo:lon
prissma:radius
1
:museumGeo
prissma:Environment
2
{ 3, 1, 2, { pr i ssma: poi } }
{ 4, 0, 3, { pr i ssma: envi r onment } }
:atTheMuseum
error tolerant graphedit distance
contextontology
OCKTOPUS
tag, topic, userdistribution
tag and folksonomyrestructuring with
prefix trees
[Costabello et al.]
[Meng et al.]
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MODELING USERS individual context
social structures
PRISSMAprissma:Context
0 48.86034
-2.337599
200
geo:latgeo:lon
prissma:radius
1
:museumGeo
prissma:Environment
2
{ 3, 1, 2, { pr i ssma: poi } }
{ 4, 0, 3, { pr i ssma: envi r onment } }
:atTheMuseum
error tolerant graphedit distance
contextontology
OCKTOPUS
tag, topic, userdistribution
tag and folksonomyrestructuring with
prefix trees
EMOCA&SEEMPAD
emotion detection & annotation
[Villata, Cabrio et al.]
[Costabello et al.]
[Meng et al.]
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DEBATES & EMOTIONS
#IRC
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DEBATES & EMOTIONS
#IRC argument rejection
attacks-disgust
DISGUST
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ARGUMENTSdebate graphs, argument networks, argumentation theory.
• bipolar argumentation framework (BAF) = A, R, S• A: a set of arguments
• R: a binary attack relation between arguments
• S: a binary support relation between arguments
• reason about arguments• deductive support
• acceptability
• support people in understanding ongoing debates
[Villata et al.]
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MODELING USERSe.g. e-learning & serious games[Rodriguez-Rocha, Faron-Zucker et al.]
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LUDO: ontological modeling of serious games
Learning
Game KB
Player’s profile &
context
Game design
[Rodriguez-Rocha, Faron-Zucker et al.]
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DOCS & TOPICSlink topics, questions, docs,[Dehors, Faron-Zucker et al.]
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MONITORINGe.g. progress of learners[Dehors, Faron-Zucker et al.]
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QUERY & INFER graph rules and queries
deontic reasoning
induction
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QUERY & INFER graph rules and queries
deontic reasoning
induction
CORESE
& G2 H2
&G1 H1
<Gn Hn
abstract graph machineSTTL
[Corby, Faron-Zucker et al.]
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QUERY & INFER graph rules and queries
deontic reasoning
induction
CORESE
& G2 H2
&G1 H1
<Gn Hn
RATIO4TA
predict &explain
abstract graph machineSTTL
[Corby, Faron-Zucker et al.]
[Hasan et al.]
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QUERY & INFER graph rules and queries
deontic reasoning
induction
CORESE
INDUCTION
& G2 H2
&G1 H1
<Gn Hn
RATIO4TA
predict &explain
find missingknowledge
abstract graph machineSTTL
[Corby, Faron-Zucker et al.]
[Hasan et al.]
[Tet
tam
anzi
et a
l.]
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QUERY & INFER graph rules and queries
deontic reasoning
induction
CORESE
LICENTIA INDUCTION
& G2 H2
&G1 H1
<Gn Hn
RATIO4TA
predict &explain
find missingknowledge
license compatibilityand composition
abstract graph machineSTTL
[Corby, Faron-Zucker et al.]
[Hasan et al.]
[Tet
tam
anzi
et a
l.]
[Villata et al.]
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QUERY & INFERe.g. CORESE/KGRAM
[Corby et al.]
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FO R GF GRmapping modulo an ontology
car
vehicle
car(x)vehicle(x)
GF
GRvehicle
car
ORIF-BLD SPARQL RIFSPARQL
?x ?x
C C
List(T1. . . Tn) (T1’. . . Tn’)
OpenList(T1. . . Tn T)
External(op((T1. . . Tn))) Filter(op’ (T1’. . . Tn’))
T1 = T2 Filter(T1’ =T2’)
X # C X’ rdf:type C’
T1 ## T2 T1’ rdfs:subClassOf T2’
C(A1 ->V1 . . .An ->Vn)
C(T1 . . . Tn)
AND(A1. . . An) A1’. . . An’
Or(A1. . . An) {A1’} …UNION {An’}
OPTIONAL{B}
Exists ?x1 . . . ?xn (A) A’
Forall ?x1 . . . ?xn (H)
Forall ?x1 . . . ?xn (H:- B) CONSTRUCT { H’} WHERE{ B’}
restrictions
equivalence no equivalence
extensions [Seye et al.]
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FO R GF GRmapping modulo an ontology
car
vehicle
car(x)vehicle(x)
GF
GRvehicle
car
O
truck
car
121 ,, )(2121
2
212
1),(let ;),(
ttttt tdepthHc ttlttHttc
),(),(min),(let ),( 21,21
2
21 21ttlttlttdistHtt
cc HHttttc
vehicle
car
O
truck
t1(x)t2(x) d(t1,t2)< threshold
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QUERY & INFERe.g. Gephi+CORESE/KGRAM
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QUERY & INFERe.g. Licencia
[Villata et al.]
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EXPLAIN justify results
predict performances
[Hasan et al.]
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EXPLAIN justify results
predict performances
[Hasan et al.]
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98
Web 1.0, 2.0, 3.0 …
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99
price
convert?
person
contact?
other sellers?
Web 1.0, 2.0, 3.0 …
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WIMMICS
1. user & interaction design
2. communities & social networks
3. linked data & semantic Web
4. reasoning & analyzing
epistemic communitieslinked data
usages and introspection
contributions and traces
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101
Toward a Web of Programs
“We have the potential for every HTML document to be a computer — and for it to be programmable. Because the thing about a Turing complete computer is that … anything you can imagine doing, you should be able to program.”(Tim Berners-Lee, 2015)
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102
one Web … a unique space in every meanings:
data
persons documents
programs
metadata
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103
Toward a Web of Things
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WIMMICSWeb-instrumented man-machine interactions, communities and semantics
Fabien Gandon - @fabien_gandon - http://fabien.info
he who controls metadata, controls the weband through the world-wide web many things in our world.
Technical details: http://bit.ly/wimmics-papers