Semantic Web - for the enterprise?...

The Semantic

Richard WallisTechnology EvangelistTalis

richard.wallis@talis.com

Wednesday, 1 December 2010

The Semantic

Richard WallisTechnology EvangelistTalis

for the enterprise?....

The Web of Documents

A global network of linked documents

A place where anyone can say anything about anything

A vast collection of human-readable knowledge (and opinion)

Documents are linked, but links are not qualified

Network of Linked Documents

unqualified links

no such thing as a negative linkWednesday, 1 December 2010

unqualified links

no such thing as a negative link :-(Wednesday, 1 December 2010

Intranet

http://www.flickr.com/photos/articnomad/12528603/

Intranet

the Web behind a firewall

Intranet

built on global innovation

Intranet

built on global innovation⁁open

Semantic Web

2001 - 2007

Semantic Web Research

Standards BuildingRDF SPARQL

Linked Data

http://blog.ted.com/2009/03/13/tim_berners_lee_web/

A global network of linked documents

A vast collection of human-readable knowledge (and opinion)

Documents are linked, but links are not qualified

A global network of linked statements

A vast collection of machine-readable knowledge (and opinion)

Statements are linked, and links are qualified

The Web of Data

Tim Berners-Lee Weaving

the Web

Mark Fischetti

Amazon.com

⤵⤵ ⤵ Harper Paperbacks

⤵Author

Author Published by

Sold by

Linked Data

Governments

GuardianNYTBBC

BBC Wildlife Finder

•Stunning BBC Video & Audio

BBC Wildlife Finder

•Stunning BBC Video & Audio•Rich content from other sources

BBC Wildlife Finder

– DBPedia — Animal Diversity Web — Arkive — IUCN Red List

BBC Wildlife Finder

•Linked Data Principles Add your value - link to others

BBC Wildlife Finder

- Description text maintained in Wikipedia

BBC Wildlife Finder

• Linked Data Practice- Embed links

BBC Wildlife Finder

• Linked Data Practice- Embed links - Publish RDF

BBC Wildlife Finder

• Follow-your-nose navigation

BBC Wildlife Finder

• Follow-your-nose navigation• SEO Goodness!

BBC Wildlife Finder

What is RDF?

RDF is ...

Resource Description Frameworkhttp://www.w3.org/RDF/

A simple, powerful, data model

Used to define relationships between things

Designed to work with the architecture of the web

The data model for the Web of Data

Allow anyoneto say anythingabout anything

http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?

id=1969-059A

NASA - NSSDC - Spacecraft - Detailstitle

id=1969-059A

23 November 2009published

id=1969-059A

15702size

id=1969-059A

Apollo 11 Command and Service Module

15702size

id=1969-059A

Apollo 11 Command and Service Moduleabout

15702size

id=1969-059A

Web Pagea

15702size

id=1969-059A

Web Pagea Spacecrafta

15702size

id=1969-059A

Apollo 11 Command and Service Modulename

15702size

id=1969-059A

16 July 1969launched

15702size

id=1969-059A

15702size 28801.0mass

id=1969-059A

15702size 28801.0mass

Spacecrafta

28801.0mass

Spacecrafta

28801.0mass

Spacecrafta

28801.0mass

Cape Canaveral

Cape Canaveral, United States name

launchsite

Apollo 11 Command and Service Module Cape Canaveral Cape Canaveral,

United States namelaunchsite

Subject Property Value

Statement or Triple

Simple Rules for Merging

URIs name the resources we are describing

Two people using the same URI are describing the same thing

The same URI in two datasets becomes one URI with all of the properties from both datasets

RDF data can use URIs from many different websites

Spacecrafta

28801.0mass

Cape Canaveral

launchsite

Spacecrafta

28801.0mass

Cape Canaveral

launchsitehttp://.../1969-059A

http://.../Spacecraft

http://.../cape+cana...

Spacecrafta

28801.0mass

Cape Canaveral

N 28° 27' 31''latitude

W 80° 31' 59''longitude

Spacecrafta

28801.0mass

Cape Canaveral

N 28° 27' 31''latitude

W 80° 31' 59''longitude

Simple Rules for Merging

Graphs from several different sources can be merged

Resources with the same URI are considered identical

No limitations on which graphs can be merged

The Web of Data

The Web of DataCommercial

Commercial data linked in

An internal Web of Data - merging data sets

Linking out to draw in valuable public resources

Controlled mixing public & private

Building on global innovation

Summary

Linked Data - building towards a Semantic Web

Summary

Pragmatic implementation of web standards

Summary

Of equal value behind the firewall

Summary

Merging dissimilar data sets

Summary

Web ready - Web native data

Summary

Link in value from internal and external data

Summary

Emerging global data markets

Summary

Emerging global data markets

Early days but rapid progress

Richard WallisTechnology EvangelistTaliswww.talis.com

The Semantic Web

Richard WallisTechnology EvangelistTaliswww.talis.com

The Linked Data Web

Semantic Web - for the enterprise?...

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