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Linked Data



                        Richard Wallis
                        Technology Evangelist
                        Talis
                        richard.wallis@talis.com
                        @rjw




Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
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Monday, 25 April 2011
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Monday, 25 April 2011
Linked Data




Monday, 25 April 2011
The Linked Data Journey




                                       Started some time ago...
 Library of Congress: Fred Hultstrand and F.A. Pazandak Photograph Collection

Monday, 25 April 2011
Monday, 25 April 2011
Web




Monday, 25 April 2011
Web




Monday, 25 April 2011
Web




Monday, 25 April 2011
The Web of Documents




Monday, 25 April 2011
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



Monday, 25 April 2011
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Monday, 25 April 2011
Network of Linked Documents




                        unqualified links


Monday, 25 April 2011
Network of Linked Documents




                               unqualified links

                        no such thing as a negative link
Monday, 25 April 2011
Semantic Web




Monday, 25 April 2011
Monday, 25 April 2011
2001 - 2007




Monday, 25 April 2011
2001 - 2007

                 Semantic Web Research




                        Standards Building
Monday, 25 April 2011
                          RDF SPARQL
Monday, 25 April 2011
Linked Data




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


Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
The Web of Documents




Monday, 25 April 2011
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



Monday, 25 April 2011
The Web of Data
           A global network of linked statements

           A place where anyone can say anything about
           anything

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

           Statements are linked, and links are qualified



Monday, 25 April 2011
Monday, 25 April 2011
Mark
                        Fischetti
                                        Author             Published by

                                                                            Harper
              Tim              Author
                                                 Weaving                  Paperbacks
          Berners-Lee
                                                 the Web


                                                           Sold by



                                                               Amazon.com




Monday, 25 April 2011
Linked Data
                          Mark
                        Fischetti
                                        Author             Published by

                                                                            Harper
              Tim              Author
                                                 Weaving                  Paperbacks
          Berners-Lee
                                                 the Web


                                                           Sold by



                                                               Amazon.com




Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
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Monday, 25 April 2011
Linked Data isn’t about publishing data...
                        ... it’s about describing ducks!


                                        Tom Scott
                                        Lead Developer BBC Wildlife Finder

                                        Quoting:
                                        Rob Styles, Talis


Monday, 25 April 2011
Monday, 25 April 2011
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Linked Data




                                      http://www.flickr.com/photos/eyesore9/2341218021

Monday, 25 April 2011
Linked Data


                             Global
                              Data
                             Graph
                        Interconnected
                             Nodes       http://www.flickr.com/photos/glenscott/13

Monday, 25 April 2011
Linked Data


                             Global
                              Data
                             Graph
                        Interconnected
                             Nodes
Monday, 25 April 2011                    http://www.flickr.com/photos/kerry1691/131951
Global

                             Graph
                        Interconnected
                             Nodes
Monday, 25 April 2011
Monday, 25 April 2011
The challenge in using the majority of
    the datasets available today seems to be
                taking them from whatever existing
              format they are in, be it CSV, Excel,
         HTML tables or PDF, and transforming
                    them into something that is more
                        programatically accessible.

                                                  Jeff Gilfelt
                                                  ASBOrometer
Monday, 25 April 2011
Jeff Gilfelt
                        ASBOrometer
Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
How to build my API...




Monday, 25 April 2011
How to build my API...




                        Functional

Monday, 25 April 2011
How to build my API...




                          Elegant

                        Functional

Monday, 25 April 2011
How to build my API...


                            Unique

                          Elegant

                        Functional

Monday, 25 April 2011
How to build my API...




Monday, 25 April 2011
How to build my API...




                        Functional
Monday, 25 April 2011
How to build my API...




                                     Elegant


                        Functional
Monday, 25 April 2011
How to build my API...



                                               Familiar


                                     Elegant


                        Functional
Monday, 25 April 2011
How to build a Linked Data API...



                                               Familiar


                                     Elegant


                        Functional
Monday, 25 April 2011
The Website is the API...




Monday, 25 April 2011
The Website is the API...




Monday, 25 April 2011
http://www.flickr.com/photos/71419271@N00/2455514690/

Monday, 25 April 2011
http://www.flickr.com/photos/71419271@N00/2455514690/
                                                       Low barriers to your data
Monday, 25 April 2011
Monday, 25 April 2011
Evolution




Monday, 25 April 2011
Monday, 25 April 2011
Monday, 25 April 2011
Global Flow of Data




Monday, 25 April 2011
Global Flow of Data



                                  Linked in?...



Monday, 25 April 2011
Global Flow of Data



                                  Linked in?...


      Rushing past?....
Monday, 25 April 2011
Monday, 25 April 2011
Linked Data




Monday, 25 April 2011
Linked Data

               • Web native - graph based




Monday, 25 April 2011
Linked Data

               • Web native - graph based
               • Open web standards - RDF




Monday, 25 April 2011
Linked Data

               • Web native - graph based
               • Open web standards - RDF
               • Distributed




Monday, 25 April 2011
Linked Data

               • Web native - graph based
               • Open web standards - RDF
               • Distributed
               • Self describing



Monday, 25 April 2011
Linked Data

               • Web native - graph based
               • Open web standards - RDF
               • Distributed
               • Self describing
               • Extendable - Linkable - Mergeable


Monday, 25 April 2011
Linked Data

               • Web native - graph based
               • Open web standards - RDF
               • Distributed
               • Self describing
               • Extendable - Linkable - Mergeable
               • Data is the API
Monday, 25 April 2011
Linked Data

               • Web native - graph based
               • Open web standards - RDF
               • Distributed
               • Self describing
               • Extendable - Linkable - Mergeable
               • Data is the API
               • + SPARQL query language
Monday, 25 April 2011
http://www.flickr.com/photos/stawarz/3300414267


Monday, 25 April 2011
Help with all this?




                            http://www.flickr.com/photos/stawarz/3300414267


Monday, 25 April 2011
Help with all this?
           Community Groups
        Linked Data Meetups
                        Open Source




                                      http://www.flickr.com/photos/stawarz/3300414267


Monday, 25 April 2011
Help with all this?
           Community Groups
        Linked Data Meetups
                        Open Source



                Events
           Training Courses
              Mentoring
             Consultancy
         Linked Data Hosting          http://www.flickr.com/photos/stawarz/3300414267


Monday, 25 April 2011
http://www.flickr.com/photos/stawarz/3300414267


Monday, 25 April 2011
Linked Data



                        Richard Wallis
                        Technology Evangelist
                        Talis
                        richard.wallis@talis.com
                        @rjw




Monday, 25 April 2011

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Linked Data: An Introduction for GIS folks