Bringing History Alive: Telling stories with Linked Data and open source tools

david peterson @davidseth

Bringing History AliveTelling stories with Linked Data and open source tools

#awm11

Friday, 14 October 11

Thanks

• Adam Bell @bumphead

• Armin Haller @W3CAustralia

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Period of Transition

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• Web of Documents

Period of Transition

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• Web of Documents

• Web of Things

Period of Transition

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1. You are dealing with real things

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1. You are dealing with real things

2. You only have part of the picture

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1. You are dealing with real things

2. You only have part of the picture

3. Everything is connected

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1. You are Dealing with Real Things

Friday, 14 October 11

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• People

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• People

• Places

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• People

• Places

• Events

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• People

• Places

• Events

• Documents

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Persistent URLs

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• Everything needs its own address on the web

Persistent URLs

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• Everything needs its own address on the web

• That address should not change

Persistent URLs

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Shared Understanding

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Vocabularies

Shared Understanding

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Vocabularies

• Schema.org

Shared Understanding

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Vocabularies

• Schema.org

Shared Understanding

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Vocabularies

• Schema.org

Shared Understanding

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Vocabularies

• Schema.org

• Facebook Open Graph

Shared Understanding

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Vocabularies

• Schema.org

• Facebook Open Graph

• FOAF

Shared Understanding

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Vocabularies

• Schema.org

• Facebook Open Graph

• FOAF

• Geonames

Shared Understanding

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Vocabularies

• Schema.org

• Facebook Open Graph

• FOAF

• Geonames

• New York Times

Shared Understanding

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Vocabularies

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• Can’t Find what you Need?

Vocabularies

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• Can’t Find what you Need?

• You know your space better then anyone

Vocabularies

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• Can’t Find what you Need?

• You know your space better then anyone

• Create it!

Vocabularies

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• Can’t Find what you Need?

• You know your space better then anyone

• Create it!

• Ontology [Owl]

Vocabularies

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• Can’t Find what you Need?

• You know your space better then anyone

• Create it!

• Ontology [Owl]

• Thesaurus [SKOS]

Vocabularies

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• Can’t Find what you Need?

• You know your space better then anyone

• Create it!

• Ontology [Owl]

• Thesaurus [SKOS]

• Simple Knowledge Organization System

Vocabularies

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Vocabulary Tools

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• Pool Party

Vocabulary Tools

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• Pool Party

• Neologism [Drupal based]

Vocabulary Tools

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• Pool Party

• Neologism [Drupal based]

• structOntology [Drupal based]

Vocabulary Tools

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HTML Data

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HTML Data

#wds11

• RDFa

Friday, 14 October 11

HTML Data

#wds11

• RDFa

Friday, 14 October 11

HTML Data

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• RDFa

Friday, 14 October 11

HTML Data

#wds11

• RDFa

• Microdata

Friday, 14 October 11

HTML Data

#wds11

• RDFa

• Microdata

Friday, 14 October 11

HTML Data

#wds11

• RDFa

• Microdata

Friday, 14 October 11

HTML Data

#wds11

• RDFa

• Microdata

• Microformats

Friday, 14 October 11

Named Entity Extraction

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Named Entity Extraction

What?

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Automatically Tag your Stuff

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Automatically Tag your Stuff

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Automatically Tag your Stuff

• OpenCalais (Drupal module)

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Automatically Tag your Stuff

• OpenCalais (Drupal module)

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Automatically Tag your Stuff

• OpenCalais (Drupal module)

• Yahoo Term Extraction (Drupal module)

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Automatically Tag your Stuff

• OpenCalais (Drupal module)

• Yahoo Term Extraction (Drupal module)

• Apache Stanbol

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Automatically Tag your Stuff

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Automatically Tag your Stuff

Apache Stanbol

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Automatically Tag your Stuff

Apache Stanbol

• Spin up your own instance

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Automatically Tag your Stuff

Apache Stanbol

• Spin up your own instance$ svn co http://svn.apache.org/repos/asf/incubator/stanbol/trunk stanbol

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Automatically Tag your Stuff

Apache Stanbol

• Spin up your own instance$ svn co http://svn.apache.org/repos/asf/incubator/stanbol/trunk stanbol

$ mvn clean install

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Automatically Tag your Stuff

Apache Stanbol

• Spin up your own instance

• RESTful interface

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Automatically Tag your Stuff

Apache Stanbol

• Spin up your own instance

• RESTful interface

• Analyze textual content, enhance with with named entities (person, place, organization)

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Automatically Tag your Stuff

Apache Stanbol

• Spin up your own instance

• RESTful interface

• Analyze textual content, enhance with with named entities (person, place, organization)

• Use your own vocabularies

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2. You only have Part of the Picture

Friday, 14 October 11

Open World / Closed World

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• Don’t use strict, unchangeble definitions of your data

• JSON works well

• NoSQL or GraphDB

Allow for the Unknown

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R.E.M.

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R.E.M.

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R.E.M.

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R.E.M.

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R.E.M.

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R.E.M.

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R.E.M.

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R.E.M.

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Drupal Content Types

• Easily model any sort of object

• Content Types

• Fields

• Drupal 7 plays well with the Web

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3. Everything is ConnectedFriday, 14 October 11

6° of Kevin Bacon

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6° of Kevin Bacon

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6° of Kevin Bacon

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6° of Kevin Bacon

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6° of Kevin Bacon

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6° of Kevin Bacon

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6° of Kevin Bacon

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6° of Kevin Bacon

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6° of Kevin Bacon

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Giant Global Graph

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Giant Global Graph

"It's not the documents, it is the things they are about which are important". Obvious, really.

Tim Berners-Lee

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Facebook Open Graph Beta...

(the beginning of the semweb?)

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Facebook Open Graph Beta...

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Facebook Open Graph Beta...

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RDF

Alexander Kelley wounded WW I

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RDF

Subject

Alexander Kelley wounded WW I

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RDF

Subject Predicate

Alexander Kelley wounded WW I

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RDF

Subject Predicate Object

Alexander Kelley wounded WW I

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Linked Data

“Linking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch. http://lod-cloud.net/”#awm11Friday, 14 October 11

Linked Data

“Linking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch. http://lod-cloud.net/”#awm11Friday, 14 October 11

Linked Data 5 Step Program

http://bit.ly/bURiXV

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Linked Data 5 Step Programby the Man - TimBL

http://bit.ly/bURiXV

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Linked Data 5 Step Program

★ make your stuff available on the web (whatever format)

by the Man - TimBL

http://bit.ly/bURiXV

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Linked Data 5 Step Program

★

★ ★

make your stuff available on the web (whatever format)

make it available as structured data (excel instead image)

by the Man - TimBL

http://bit.ly/bURiXV

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Linked Data 5 Step Program

★

★ ★

★ ★ ★

make your stuff available on the web (whatever format)

make it available as structured data (excel instead image)

non-proprietary format (csv instead of excel)

by the Man - TimBL

http://bit.ly/bURiXV

#awm11Friday, 14 October 11

Linked Data 5 Step Program

★

★ ★

★ ★ ★

★ ★ ★ ★

make your stuff available on the web (whatever format)

make it available as structured data (excel instead image)

non-proprietary format (csv instead of excel)

use URLs to identify things, so that people can point at your stuff

by the Man - TimBL

http://bit.ly/bURiXV

#awm11Friday, 14 October 11

Linked Data 5 Step Program

★

★ ★

★ ★ ★

★ ★ ★ ★

make your stuff available on the web (whatever format)

make it available as structured data (excel instead image)

non-proprietary format (csv instead of excel)

use URLs to identify things, so that people can point at your stuff

link your data to other people’s data to provide context★ ★ ★ ★ ★

by the Man - TimBL

http://bit.ly/bURiXV

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Linked Data

• DBpedia

• LODLAM

• JSON-LD

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Bonus Round

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Bonus Round

1. You are dealing with real things

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Bonus Round

1. You are dealing with real things

2. You only have part of the picture

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Bonus Round

1. You are dealing with real things

2. You only have part of the picture

3. Your objects live in the graph

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Bonus Round

1. You are dealing with real things

2. You only have part of the picture

3. Your objects live in the graph

1 + 2 + 3 = API

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Your Site Becomes an API

• Make it easy for your content to be reused

• Queried

• Free it from the confines of your site

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Drupal WYSIWYG Editor

• Makes it easy for users to embed images from catalog

• Uses embedded RDFa

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[demo] Drupal WYSIWYG Editor

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[demo] Drupal WYSIWYG Editor

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[demo] Drupal WYSIWYG Editor

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[demo] Drupal WYSIWYG Editor

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WYSIWYG Editor

• Creates JSON data from RDFa

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WYSIWYG Editor

• Creates JSON data from RDFa

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Demos

• Recollection

• Simile Timeline

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Questions?

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