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

#awm11Friday, 14 October 11

Period of Transition


• Web of Documents



• Web of Documents

• Web of Things




1. You are dealing with real things



2. You only have part of the picture




3. Everything is connected


1. You are Dealing with Real Things



• People


• People

• Places


• People

• Places

• Events


• People

• Places

• Events

• Documents


Persistent URLs


• Everything needs its own address on the web

Persistent URLs


• Everything needs its own address on the web

• That address should not change

Persistent URLs


Shared Understanding


Vocabularies



Vocabularies

• Schema.org



Vocabularies

• Schema.org



Vocabularies

• Schema.org



Vocabularies

• Schema.org

• Facebook Open Graph



Vocabularies

• Schema.org


• FOAF



Vocabularies

• Schema.org


• FOAF

• Geonames



Vocabularies

• Schema.org


• FOAF

• Geonames

• New York Times



Vocabularies


• Can’t Find what you Need?

Vocabularies



• You know your space better then anyone

Vocabularies




• Create it!

Vocabularies




• Create it!

• Ontology [Owl]

Vocabularies




• Create it!

• Ontology [Owl]

• Thesaurus [SKOS]

Vocabularies




• Create it!

• Ontology [Owl]

• Thesaurus [SKOS]

• Simple Knowledge Organization System

Vocabularies


Vocabulary Tools


• Pool Party

Vocabulary Tools


• Pool Party

• Neologism [Drupal based]

Vocabulary Tools


• Pool Party

• Neologism [Drupal based]

• structOntology [Drupal based]

Vocabulary Tools


HTML Data

#wds11Friday, 14 October 11

HTML Data

#wds11

• RDFa


HTML Data

#wds11

• RDFa


HTML Data

#wds11

• RDFa


HTML Data

#wds11

• RDFa

• Microdata


HTML Data

#wds11

• RDFa

• Microdata


HTML Data

#wds11

• RDFa

• Microdata


HTML Data

#wds11

• RDFa

• Microdata

• Microformats


Named Entity Extraction


Named Entity Extraction

What?


Automatically Tag your Stuff





• OpenCalais (Drupal module)







• Yahoo Term Extraction (Drupal module)




• Yahoo Term Extraction (Drupal module)

• Apache Stanbol





Apache Stanbol



Apache Stanbol

• Spin up your own instance



Apache Stanbol

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



Apache Stanbol

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

$ mvn clean install



Apache Stanbol


• RESTful interface



Apache Stanbol



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



Apache Stanbol



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

• Use your own vocabularies


2. You only have Part of the Picture


Open World / Closed World


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

• JSON works well

• NoSQL or GraphDB

Allow for the Unknown


R.E.M.











R.E.M.


R.E.M.


R.E.M.


R.E.M.


R.E.M.


R.E.M.


R.E.M.


Drupal Content Types

• Easily model any sort of object

• Content Types

• Fields

• Drupal 7 plays well with the Web


3. Everything is ConnectedFriday, 14 October 11

6° of Kevin Bacon


6° of Kevin Bacon


6° of Kevin Bacon


6° of Kevin Bacon


6° of Kevin Bacon


6° of Kevin Bacon


6° of Kevin Bacon


6° of Kevin Bacon


6° of Kevin Bacon


Giant Global Graph


Giant Global Graph

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

Tim Berners-Lee


Facebook Open Graph Beta...

(the beginning of the semweb?)






RDF

Alexander Kelley wounded WW I


RDF

Subject



RDF

Subject Predicate



RDF

Subject Predicate Object



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




Linked Data 5 Step Programby the Man - TimBL






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

by the Man - TimBL






★

★ ★

make your stuff available on the web (whatever format)

make it available as structured data (excel instead image)

by the Man - TimBL






★

★ ★

★ ★ ★



non-proprietary format (csv instead of excel)

by the Man - TimBL






★

★ ★

★ ★ ★

★ ★ ★ ★




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

by the Man - TimBL






★

★ ★

★ ★ ★

★ ★ ★ ★




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





Linked Data

• DBpedia

• LODLAM

• JSON-LD


Bonus Round


Bonus Round



Bonus Round




Bonus Round



3. Your objects live in the graph


Bonus Round



3. Your objects live in the graph

1 + 2 + 3 = API


Your Site Becomes an API

• Make it easy for your content to be reused

• Queried

• Free it from the confines of your site


Drupal WYSIWYG Editor

• Makes it easy for users to embed images from catalog

• Uses embedded RDFa


[demo] Drupal WYSIWYG Editor








WYSIWYG Editor

• Creates JSON data from RDFa


WYSIWYG Editor

• Creates JSON data from RDFa


Demos

• Recollection

• Simile Timeline


Questions?


Technology

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