http://tw.rpi.edu/

Towards Social Webtops Using Semantic WikiJie Bao, Li Ding, Deborah McGuinness, James Hendler

Department of Computer Science, Rensselaer Polytechnic Institute, Troy, NY 12180, USAWith contributions from Evan Patton, Jin Guang Zheng, Rui Huang and James Michaelis

Tetherless World Constellation funding from: DARPA, NSF, IARPA, ARL, KAUST, Lockheed Martin, SRI, Fujitsu, IBM

For End Users• Easy publishing; • Smart data propagation.

For Developers• Fast prototyping in browser;• Lightweight concept modeling.

Demo: http://tw.rpi.edu/wiki

Problem

Steep learning curve in developing and deploying semantic web applications.

SolutionReduce it by using semantic wiki.

GainOWL

RDF

Jena

XML

SPARQLProtege

Java

JSP

Pellet

RIF

DL SWiki

Semantic Wiki: Application Workbench

Challenges and Initial Solutions

Wiki: Knowledge Management

Data Organization Data SharingOntology

PersonalizationPrivacy

Protection

Provenance

Person

NameRoleAliasAffiliation

Project

NameMember

Issue

IDProjectAssignee

Jim HendlerProfessorhasRole

Person

rdfs:subClassOf

Alice

John

hasUncle

(Semantic History)

(Semantic Email Archive)

Alice

BobJohn

isParentOf

isBrotherOf

RDF Modeling

Relational Modeling

Rule Modeling

Wiki DB Triple Store Online dataData Layer

RPI Map& Events

Wine WikiSocial Rec.

Group Info. Management

Task & IssueTracking

Ontology Repository

Still many not yet

mentioned…

Wiki Layer

App.Layer

(Semantic) Wiki Scripting

Semantic Template

Semantic Query

(PHP, Javascript) Wiki Extensions

Halo AnnotationExtension

Parser Function …

Concept Modeling: RDF, Relational Modeling, Rules

Semantic Forms

Wiki DB

Data Layer

Wiki Document

Wiki Layer

Doc.Layer

Wiki Scripting

Wiki Extensions

(Ontology Repository)

Remote SemWiki

Remote Query

Wiki 1

Wiki 2?(“AskMany” extension)