Using RDF Linked DataTo SolveReal Problems :© 2008 OpenLink Software, All rights reserved. Using RDF Linked DataTo SolveReal Problems


Situation Analysis :© 2008 OpenLink Software, All rights reserved. Situation Analysis Agility is the timeless pursuit of enterprises and individuals alike. In all cases, access, integration, and dissemination of data is pivotal.


What is Linked Data? :© 2006 OpenLink Software, All rights reserved. What is Linked Data? A term coined by Tim Berners-Lee that describes HTTP-based Data Access by Reference for the Web An unobtrusive tweak to the Web that accentuates its core architecture Use of HTTP based Identifiers for Naming “Things” Implicit association of Identifiers with their metadata.


Slide 4:© 2008 OpenLink Software, All rights reserved.


Problems :© 2008 OpenLink Software, All rights reserved. Problems Identity - People - Places - Ideas - Other Things Data Access & Integration


Problem - Identity :© 2008 OpenLink Software, All rights reserved. Problem - Identity Who Am I? What are my credentials? Why do I repeat the above each time, across: Each Web App. Each Enterprise App.


Solution – Identity Problem :© 2008 OpenLink Software, All rights reserved. Solution – Identity Problem Get Yourself a Data Space that delivers: A personal HTTP based ID (a URI) Bind Your ID to an X.509 Certificate Bind Certificate to your HTTP User Agents (e.g., Browser) Bind Certificate to your Profile (e.g., a FOAF space).


Solution – Identity Problem Contd. :© 2008 OpenLink Software, All rights reserved. Solution – Identity Problem Contd. With your HTTP ID in place you can then achieve the following: Visit places on HTTP networks with no login and credentials repetitions (Intranet or Web) Use ACL based policies to confine data access to specific groups of people.


Simple FOAF+SSL Demo :Simple FOAF+SSL Demo © 2006 OpenLink Software, All rights reserved.


Slide 10:© 2008 OpenLink Software, All rights reserved.


Slide 11:© 2008 OpenLink Software, All rights reserved. Collective Intelligence


Linked Data – Data Aggregation :© 2008 OpenLink Software, All rights reserved Linked Data – Data Aggregation


Problem: Data Access & Integration :© 2008 OpenLink Software, All rights reserved. Problem: Data Access & Integration Enterprise Silos generated by applications bound to: Disparate DBMS Engines & Data Models Disparate Development Frameworks Data Silos on the Web such as: Social Networking Services Discussion Forums Blogs Wikis etc.


Solution – Data Access & Integration :© 2008 OpenLink Software, All rights reserved. Solution – Data Access & Integration Use Middleware to generate Conceptual Views over Heterogeneous Data Sources RDBMS to RDF mapping technology e.g., RDF Views over RDBMS data sources RDFizers to convert unstructured and semi-structured data to RDF.


Conceptual Views of Disparate Data :© 2008 OpenLink Software, All rights reserved Conceptual Views of Disparate Data


RDBMS to Linked Data – Demo 1 :© 2006 OpenLink Software, All rights reserved. RDBMS to Linked Data – Demo 1


RDBMS to Linked Data – Demo 2 :RDBMS to Linked Data – Demo 2 © 2006 OpenLink Software, All rights reserved.


Self Filtering Find (Search++) :Self Filtering Find (Search++) © 2006 OpenLink Software, All rights reserved.


Slide 19:© 2008 OpenLink Software, All rights reserved.


Additional Information :© 2006 OpenLink Software, All rights reserved. Additional Information OpenLink Software: http://www.openlinksw.com/ http://virtuoso.openlinksw.com/ http://www.openlinksw.com/blog/~kidehen (weblog) Linking Open Data Community Projects http://linkeddata.org/ http://dbpedia.org/