Using RDF Linked Data To Solve Real Problems
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Situation Analysis
Agility is the timeless pursuit of enterprises and individuals alike. In all cases, access, integration, and dissemination of data is pivotal.
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What is Linked Data
A term coined by Tim Berners-Lee that describes HTTP-based Data Access by Reference for the Web
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 âThingsâ
Implicit association of Identifiers with their metadata.
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Slide 4
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Problems
Identity
Identity
- People
- Places
- Ideas
- Other Things
Data Access & Integration
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Problem Identity
Who Am I ?
Who Am I ?
What are my credentials ?
Why do I repeat the above each time, across:
Each Web App.
Each Enterprise App.
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Solution Identity Problem
Get Yourself a Data Space that delivers:
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).
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Solution Identity Problem Contd
With the your HTTP ID in place you can then achieve the following:
With the 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.
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Simple FOAFSSL Demo
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Slide 10
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Slide 11
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Linked Data Data Aggregation
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Problem Data Access amp Integration
Enterprise Silos generated by applications bound to:
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.
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Solution Data Access amp Integration
Use Middleware to generate Conceptual Views over Heterogeneous Data Sources using:
Use Middleware to generate Conceptual Views over Heterogeneous Data Sources using:
RDBMS to RDF mapping technology e.g., RDF Views over RDBMS data sources
RDFizers to convert unstructured and semi-structured data to RDF.
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Conceptual Views of Disparate Data
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RDBMS to Linked Data Demo 1
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RDBMS to Linked Data Demo 2
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Self Filtering Find Search
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Slide 19
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Additional Information
OpenLink Software:
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/
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