Introduction to Linked Data
Linked Data: what cataloguers need to know #cigld
CILIP Cataloguing and Indexing Group (CIG)
2...
Linked Open Data
• Data
• Linked
• Open
linked open DATA
245 00 $a Models for decision :
$b a conference under the auspices of the United Kingdom
Automation Counc...
LINKED open data..
…LINKED open data
<table border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr id="bib-author-row">
<th>Author:</th>
<td...
linked OPEN data
The Web of Data
• Use URIs as names for things
• Use HTTP URIs so that people can look up
those names.
• When someone look...
English sentence
Brideshead Revisited was written by Evelyn Waugh.
Entities and Relationship
Brideshead revisited created by Evelyn Waugh
Adding URIs: Brideshead revisited
http://id.loc.gov/authorities/names/no97080492

created by Evelyn Waugh
Adding URIs: Waugh
http://id.loc.gov/authorities/names/no97080492
created by
http://id.loc.gov/authorities/names/n79049248
Adding URIs: creator
http://id.loc.gov/authorities/names/no970804
92
http://purl.org/dc/terms/creator
http://id.loc.gov/au...
RDF Statement
<http://id.loc.gov/authorities/names/no97080492>
<http://purl.org/dc/terms/creator>
<http://id.loc.gov/autho...
RDF (Turtle)
@prefix lc_names: <http://id.loc.gov/authorities/names/> .
@prefix dc: <http://purl.org/dc/terms/> .
lc_names...
Brideshead Revisited
@prefix lc_names: <http://id.loc.gov/authorities/names/> .
@prefix lc_languages: <http://id.loc.gov/v...
Brideshead Revisited
@prefix lc_names: <http://id.loc.gov/authorities/names/> .
@prefix lc_languages: <http://id.loc.gov/v...
LC Name Authority for Waugh
(excerpt)
@prefix
@prefix
@prefix
@prefix

lc_names: <http://id.loc.gov/authorities/names/> .
...
RDF Serialisations
N Triples
<http://id.loc.gov/authorities/names/n79049248> <http://www.w3.org/1999/02/22-rdf-syntax-ns#t...
RDF Serializations
Turtle and N3
@prefix
@prefix
@prefix
@prefix

lc_names: <http://id.loc.gov/authorities/names/> .
rdf: ...
RDF Serialisation
RDF/XML
<?xml version="1.0"?>
<rdf:RDF xmlns:lc_names="http://id.loc.gov/authorities/names/" xmlns:mads=...
RDF Serialisation
JSON-LD
{
"http://id.loc.gov/authorities/names/n79049248": {
"http://www.loc.gov/mads/rdf/v1#hasExactExt...
RDF Serialisation
RDFa
<div xmlns="http://www.w3.org/1999/xhtml"
prefix="
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#...
Microdata, RDFa, Schema.org
OCLC Worldcat uses embedded Schema.org:
http://www.worldcat.org/oclc/221944758
Schema.org RDFa on Worldcat
Schema.org RDFa on Worldcat
Schema.org RDFa on Worldcat
<div xmlns="http://www.w3.org/1999/xhtml" id="microdata" prefix="xml: http://www.w3.org/XML/19...
Worldcat Schema.org data for a book
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix schema: <http://s...
Lots of Ways To Do It
@prefix
@prefix
@prefix
@prefix
@prefix
@prefix
@prefix

schema: <http://schema.org/> .
dc: <http://...
Blank Nodes
@prefix lc_names: <http://id.loc.gov/authorities/names/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix f...
Introduction to Linked Data
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix...
References
Worldcat record for Models for decision / C.
Berners-Lee.
http://www.worldcat.org/title/models-for-decisiona-co...
Introduction to Linked Data
Introduction to Linked Data
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Introduction to Linked Data

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From: Linked Data: what cataloguers need to know. A CIG event. 25 November 2013, Birmingham. #cigld

http://www.cilip.org.uk/cataloguing-and-indexing-group/events/linked-data-what-cataloguers-need-know-cig-event

Accompanying write-up from Catalogue & Index 174: http://discovery.ucl.ac.uk/1449458/

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  • Looks like you confused RDF/JSON with JSON-LD. The example on slide 23 is definitely not valid JSON-LD. Here's the spec: http://www.w3.org/TR/json-ld/
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Introduction to Linked Data

  1. 1. Introduction to Linked Data Linked Data: what cataloguers need to know #cigld CILIP Cataloguing and Indexing Group (CIG) 25 November 2013 Thomas Meehan tom@aurochs.org @orangeaurochs
  2. 2. Linked Open Data • Data • Linked • Open
  3. 3. linked open DATA 245 00 $a Models for decision : $b a conference under the auspices of the United Kingdom Automation Council organised by the British Computer Society and the Operational Research Society / 260 __ 300 __ 504 __ 700 1_ $c $a $b $c $a $b $c $a $a edited by C.M. Berners-Lee. London : English Universities Press, 1965. x, 149 p. : ill. ; 23 cm. Includes bibliographical references. Berners-Lee, C. M.
  4. 4. LINKED open data..
  5. 5. …LINKED open data <table border="0" cellpadding="0" cellspacing="0"> <tbody> <tr id="bib-author-row"> <th>Author:</th> <td id="bib-author-cell"> <a href="/search?q=au%3ABerners-Lee%2C+C.+M.&amp;qt=hot_author" title="Search for more by this author">C M Berners-Lee</a>; <a href="/search?q=au%3ABritish+Computer+Society.&amp;qt=hot_author" title="Search for more by this author">British Computer Society.</a>; <a href="/search?q=au%3AInstitution+of+Electrical+Engineers.&amp;qt=hot_author" title="Search for more by this author">Institution of Electrical Engineers.</a>; <a href="/search?q=au%3AOperational+Research+Society.&amp;qt=hot_author" title="Search for more by this author">Operational Research Society.</a? </td> </tr> <tr id="bib-publisher-row"> <th>Publisher:</th> <td id="bib-publisher-cell">London : English Universities Press, [1965]</td> </tr> … </table>
  6. 6. linked OPEN data
  7. 7. The Web of Data • Use URIs as names for things • Use HTTP URIs so that people can look up those names. • When someone looks up a URI, provide useful information, using the standards (RDF, SPARQL) • Include links to other URIs so that they can discover more things. Tim Berners-Lee (2006)
  8. 8. English sentence Brideshead Revisited was written by Evelyn Waugh.
  9. 9. Entities and Relationship Brideshead revisited created by Evelyn Waugh
  10. 10. Adding URIs: Brideshead revisited http://id.loc.gov/authorities/names/no97080492 created by Evelyn Waugh
  11. 11. Adding URIs: Waugh http://id.loc.gov/authorities/names/no97080492 created by http://id.loc.gov/authorities/names/n79049248
  12. 12. Adding URIs: creator http://id.loc.gov/authorities/names/no970804 92 http://purl.org/dc/terms/creator http://id.loc.gov/authorities/names/n7904924 8
  13. 13. RDF Statement <http://id.loc.gov/authorities/names/no97080492> <http://purl.org/dc/terms/creator> <http://id.loc.gov/authorities/names/n79049248> .
  14. 14. RDF (Turtle) @prefix lc_names: <http://id.loc.gov/authorities/names/> . @prefix dc: <http://purl.org/dc/terms/> . lc_names:no97080492 dc:creator lc_names:n79049248 .
  15. 15. Brideshead Revisited @prefix lc_names: <http://id.loc.gov/authorities/names/> . @prefix lc_languages: <http://id.loc.gov/vocabulary/languages> . @prefix dc: <http://purl.org/dc/terms/> . lc_names:no97080492 dc:creator lc_names:n79049248 ; dc:created "1945" ; dc:extent "1 volume" ; dc:language lc_languages:eng ; dc:title "Brideshead revisited" ; dc:type <http://purl.org/dc/dcmitype/Text> .
  16. 16. Brideshead Revisited @prefix lc_names: <http://id.loc.gov/authorities/names/> . @prefix lc_languages: <http://id.loc.gov/vocabulary/languages/> . @prefix dc: <http://purl.org/dc/terms/> . lc_names:no97080492 dc:creator lc_names:n79049248 ; dc:created "1945" ; dc:extent "1 volume" ; dc:language lc_languages:eng ; dc:title "Brideshead revisited" ; dc:type <http://purl.org/dc/dcmitype/Text> .
  17. 17. LC Name Authority for Waugh (excerpt) @prefix @prefix @prefix @prefix lc_names: <http://id.loc.gov/authorities/names/> . rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . mads: <http://www.loc.gov/mads/rdf/v1#> . viaf: <http://viaf.org/viaf/sourceID/> . lc_names:n79049248 rdf:type mads:PersonalName ; rdf:type mads:Authority ; mads:authoritativeLabel "Waugh, Evelyn, 1903-1966"@en ; mads:hasExactExternalAuthority viaf:68937142 .
  18. 18. RDF Serialisations N Triples <http://id.loc.gov/authorities/names/n79049248> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#PersonalName>. <http://id.loc.gov/authorities/names/n79049248> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.loc.gov/mads/rdf/v1#Authority>. <http://id.loc.gov/authorities/names/n79049248> <http://www.loc.gov/mads/rdf/v1#authoritativeLabel> "Waugh, Evelyn, 1903-1966"@en. <http://id.loc.gov/authorities/names/n79049248> <http://www.loc.gov/mads/rdf/v1#hasExactExternalAuthority> <http://viaf.org/viaf/sourceID/68937142>.
  19. 19. RDF Serializations Turtle and N3 @prefix @prefix @prefix @prefix lc_names: <http://id.loc.gov/authorities/names/> . rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . mads: <http://www.loc.gov/mads/rdf/v1#> . viaf: <http://viaf.org/viaf/sourceID/> . lc_names:n79049248 rdf:type mads:PersonalName ; rdf:type mads:Authority ; mads:authoritativeLabel "Waugh, Evelyn, 1903-1966"@en ; mads:hasExactExternalAuthority viaf:68937142 .
  20. 20. RDF Serialisation RDF/XML <?xml version="1.0"?> <rdf:RDF xmlns:lc_names="http://id.loc.gov/authorities/names/" xmlns:mads="http://www.loc.gov/mads/rdf/v1#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:viaf="http://viaf.org/viaf/sourceID/"> <mads:PersonalName rdf:about="http://id.loc.gov/authorities/names/n79049248"> <rdf:type rdf:resource="http://www.loc.gov/mads/rdf/v1#Authority" /> <mads:authoritativeLabel xml:lang="en">Waugh, Evelyn, 1903-1966</mads:authoritativeLabel> <mads:hasExactExternalAuthority rdf:resource="http://viaf.org/viaf/sourceID/68937142" /> </mads:PersonalName> </rdf:RDF>
  21. 21. RDF Serialisation JSON-LD { "http://id.loc.gov/authorities/names/n79049248": { "http://www.loc.gov/mads/rdf/v1#hasExactExternalAuthority": [ { "type": "uri", "value": "http://viaf.org/viaf/sourceID/68937142" } ], "http://www.w3.org/1999/02/22-rdf-syntax-ns#type": [ { "type": "uri", "value": "http://www.loc.gov/mads/rdf/v1#PersonalName" }, { "type": "uri", "value": "http://www.loc.gov/mads/rdf/v1#Authority" } ], "http://www.loc.gov/mads/rdf/v1#authoritativeLabel": [ { "lang": "en", "type": "literal", "value": "Waugh, Evelyn, 1903-1966" } ] } }
  22. 22. RDF Serialisation RDFa <div xmlns="http://www.w3.org/1999/xhtml" prefix=" rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns# mads: http://www.loc.gov/mads/rdf/v1# rdfs: http://www.w3.org/2000/01/rdf-schema#" > <div typeof="mads:PersonalName" about="http://id.loc.gov/authorities/names/n79049248"> <div rel="rdf:type" resource="http://www.loc.gov/mads/rdf/v1#Authority"></div> <div property="mads:authoritativeLabel" xml:lang="en" content="Waugh, Evelyn, 1903-1966"></div> <div rel="mads:hasExactExternalAuthority" resource="http://viaf.org/viaf/sourceID/68937142"></div> </div> </div>
  23. 23. Microdata, RDFa, Schema.org OCLC Worldcat uses embedded Schema.org: http://www.worldcat.org/oclc/221944758
  24. 24. Schema.org RDFa on Worldcat
  25. 25. Schema.org RDFa on Worldcat
  26. 26. Schema.org RDFa on Worldcat <div xmlns="http://www.w3.org/1999/xhtml" id="microdata" prefix="xml: http://www.w3.org/XML/1998/namespace skos: http://www.w3.org/2004/02/skos/core# library: http://purl.org/library/ gen-ont: http://www.w3.org/2006/gen/ont# pto: http://www.productontology.org/id/ madsrdf: http://www.loc.gov/mads/rdf/v1# void: http://rdfs.org/ns/void# schema: http://schema.org/ oclc: http://www.worldcat.org/oclc/ rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns# umbel: http://umbel.org/umbel# bibo: http://purl.org/ontology/bibo/ foaf: http://xmlns.com/foaf/0.1/ cc: http://creativecommons.org/ns# awol: http://bblfish.net/work/atom-owl/2006-06-06/# owl: http://www.w3.org/2002/07/owl# dct: http://purl.org/dc/terms/ blterms: http://www.bl.uk/schemas/bibliographic/blterms# rdfs: http://www.w3.org/2000/01/rdf-schema#"><div resource="http://www.worldcat.org/oclc/221944758" typeof="http://schema.org/Book"><<a href="http://www.worldcat.org/oclc/221944758">http://www.worldcat.org/oclc/221944758</a>><table border="0" cellspacing="0"><tr><td><a href="http://purl.org/library/oclcnum">library:oclcnum</a></td><td>"<span property="library:oclcnum">221944758</span>"</td></tr><tr><td><a href="http://purl.org/library/placeOfPublication">library:placeOfPublication</a></td><td><div property="library:placeOfPublication" typeof="http://schema.org/Place"><table border="0" cellspacing="0"><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Place" property="rdf:type" resource="http://schema.org/Place">schema:Place</a></td></tr><tr><td><a href="http://schema.org/Place">schema:name</a></td><td>"<span property="schema:name">London</span>"</td></tr></table></div></td></tr><tr><td><a href="http://purl.org/library/placeOfPublication">library:placeOfPublication</a></td><td><div property="library:placeOfPublication" resource="http://id.loc.gov/vocabulary/countries/enk" typeof="http://schema.org/Country"><<a href="http://id.loc.gov/vocabulary/countries/enk">http://id.loc.gov/vocabulary/countries/enk</a>><table border="0" cellspacing="0"><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Country" property="rdf:type" resource="http://schema.org/Country">schema:Country</a></td></tr></table></div></td></tr><tr><td><a href="http://www.w3.org/2002/07/owl#sameAs">owl:sameAs</a></td><td><<a href="info:oclcnum/221944758" property="owl:sameAs" resource="info:oclcnum/221944758">info:oclcnum/221944758</a>></td></tr><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Book" property="rdf:type" resource="http://schema.org/Book">schema:Book</a></td></tr><tr><td><a href="http://schema.org/Book">schema:about</a></td><td><div property="schema:about" typeof="http://schema.org/Intangible"><table border="0" cellspacing="0"><tr><td><a href="http://www.loc.gov/mads/rdf/v1#isIdentifiedByAuthority">madsrdf:isIdentifiedByAuthority</a></td><td><<a href="http://id.loc.gov/authorities/subjects/sh85042288" property="madsrdf:isIdentifiedByAuthority" resource="http://id.loc.gov/authorities/subjects/sh85042288">http://id.loc.gov/authorities/subjects/sh85042288</a>></td></tr><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Intangible" property="rdf:type" resource="http://schema.org/Intangible">schema:Intangible</a></td></tr><tr><td><a href="http://schema.org/Intangible">schema:name</a></td><td>"<span property="schema:name">Electronic data processing.</span>"</td></tr></table></div></td></tr><tr><td><a href="http://schema.org/Book">schema:about</a></td><td><div property="schema:about" resource="http://dewey.info/class/658.4033/" typeof="http://schema.org/Intangible"><<a href="http://dewey.info/class/658.4033/">http://dewey.info/class/658.4033/</a>><table border="0" cellspacing="0"><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Intangible" property="rdf:type" resource="http://schema.org/Intangible">schema:Intangible</a></td></tr></table></div></td></tr><tr><td><a href="http://schema.org/Book">schema:about</a></td><td><div property="schema:about" resource="http://id.worldcat.org/fast/1081992" typeof="http://schema.org/Intangible"><<a href="http://id.worldcat.org/fast/1081992">http://id.worldcat.org/fast/1081992</a>><table border="0" cellspacing="0"><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Intangible" property="rdf:type" resource="http://schema.org/Intangible">schema:Intangible</a></td></tr><tr><td><a href="http://schema.org/Intangible">schema:name</a></td><td>"<span property="schema:name">Public administration--Data processing</span>"</td></tr></table></div></td></tr><tr><td><a href="http://schema.org/Book">schema:about</a></td><td><div property="schema:about" resource="http://id.worldcat.org/fast/906956" typeof="http://schema.org/Intangible"><<a href="http://id.worldcat.org/fast/906956">http://id.worldcat.org/fast/906956</a>><table border="0" cellspacing="0"><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Intangible" property="rdf:type" resource="http://schema.org/Intangible">schema:Intangible</a></td></tr><tr><td><a href="http://schema.org/Intangible">schema:name</a></td><td>"<span property="schema:name">Electronic data processing</span>"</td></tr></table></div></td></tr><tr><td><a href="http://schema.org/Book">schema:about</a></td><td><div property="schema:about" typeof="http://schema.org/Intangible"><table border="0" cellspacing="0"><tr><td><a href="http://www.loc.gov/mads/rdf/v1#isIdentifiedByAuthority">madsrdf:isIdentifiedByAuthority</a></td><td><<a href="http://id.loc.gov/authorities/subjects/sh2008110032" property="madsrdf:isIdentifiedByAuthority" resource="http://id.loc.gov/authorities/subjects/sh2008110032">http://id.loc.gov/authorities/subjects/sh2008110032</a>></td></tr><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Intangible" property="rdf:type" resource="http://schema.org/Intangible">schema:Intangible</a></td></tr><tr><td><a href="http://schema.org/Intangible">schema:name</a></td><td>"<span property="schema:name">Public administration--Data processing.</span>"</td></tr></table></div></td></tr><tr><td><a href="http://schema.org/Book">schema:contributor</a></td><td><div property="schema:contributor" resource="http://viaf.org/viaf/149407214" typeof="http://schema.org/Organization"><<a href="http://viaf.org/viaf/149407214">http://viaf.org/viaf/149407214</a>><table border="0" cellspacing="0"><tr><td><a href="http://www.loc.gov/mads/rdf/v1#isIdentifiedByAuthority">madsrdf:isIdentifiedByAuthority</a></td><td><<a href="http://id.loc.gov/authorities/names/n79056431" property="madsrdf:isIdentifiedByAuthority" resource="http://id.loc.gov/authorities/names/n79056431">http://id.loc.gov/authorities/names/n79056431</a>></td></tr><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Organization" property="rdf:type" resource="http://schema.org/Organization">schema:Organization</a></td></tr><tr><td><a href="http://schema.org/Organization">schema:name</a></td><td>"<span property="schema:name">British Computer Society.</span>"</td></tr></table></div></td></tr><tr><td><a href="http://schema.org/Book">schema:contributor</a></td><td><div property="schema:contributor" resource="http://viaf.org/viaf/130073090" typeof="http://schema.org/Organization"><<a href="http://viaf.org/viaf/130073090">http://viaf.org/viaf/130073090</a>><table border="0" cellspacing="0"><tr><td><a href="http://www.loc.gov/mads/rdf/v1#isIdentifiedByAuthority">madsrdf:isIdentifiedByAuthority</a></td><td><<a href="http://id.loc.gov/authorities/names/n85076053" property="madsrdf:isIdentifiedByAuthority" resource="http://id.loc.gov/authorities/names/n85076053">http://id.loc.gov/authorities/names/n85076053</a>></td></tr><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Organization" property="rdf:type" resource="http://schema.org/Organization">schema:Organization</a></td></tr><tr><td><a href="http://schema.org/Organization">schema:name</a></td><td>"<span property="schema:name">Operational Research Society.</span>"</td></tr></table></div></td></tr><tr><td><a href="http://schema.org/Book">schema:contributor</a></td><td><div property="schema:contributor" resource="http://viaf.org/viaf/137135158" typeof="http://schema.org/Organization"><<a href="http://viaf.org/viaf/137135158">http://viaf.org/viaf/137135158</a>><table border="0" cellspacing="0"><tr><td><a href="http://www.loc.gov/mads/rdf/v1#isIdentifiedByAuthority">madsrdf:isIdentifiedByAuthority</a></td><td><<a href="http://id.loc.gov/authorities/names/n79063901" property="madsrdf:isIdentifiedByAuthority" resource="http://id.loc.gov/authorities/names/n79063901">http://id.loc.gov/authorities/names/n79063901</a>></td></tr><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Organization" property="rdf:type" resource="http://schema.org/Organization">schema:Organization</a></td></tr><tr><td><a href="http://schema.org/Organization">schema:name</a></td><td>"<span property="schema:name">Institution of Electrical Engineers.</span>"</td></tr></table></div></td></tr><tr><td><a href="http://schema.org/Book">schema:contributor</a></td><td><div property="schema:contributor" resource="http://viaf.org/viaf/36887201" typeof="http://schema.org/Person"><<a href="http://viaf.org/viaf/36887201">http://viaf.org/viaf/36887201</a>><table border="0" cellspacing="0"><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Person" property="rdf:type" resource="http://schema.org/Person">schema:Person</a></td></tr><tr><td><a href="http://www.w3.org/2000/01/rdf-schema#label">rdfs:label</a></td><td>"<span property="rdfs:label">Berners-Lee, C. M.</span>"</td></tr></table></div></td></tr><tr><td><a href="http://schema.org/Book">schema:datePublished</a></td><td>"<span property="schema:datePublished">1965</span>"</td></tr><tr><td><a href="http://schema.org/Book">schema:inLanguage</a></td><td>"<span property="schema:inLanguage">en</span>"</td></tr><tr><td><a href="http://schema.org/Book">schema:name</a></td><td>"<span property="schema:name">Models for decision : a conference under the auspices of the United Kingdom Automation Council organised by the British Computer Society and the Operational Research Society</span>"</td></tr><tr><td><a href="http://schema.org/Book">schema:numberOfPages</a></td><td>"<span property="schema:numberOfPages">149</span>"</td></tr><tr><td><a href="http://schema.org/Book">schema:publisher</a></td><td><div property="schema:publisher" typeof="http://schema.org/Organization"><table border="0" cellspacing="0"><tr><td><a href="http://www.w3.org/TR/rdf-schema/#ch_type">rdf:type</a></td><td><a href="http://schema.org/Organization" property="rdf:type" resource="http://schema.org/Organization">schema:Organization</a></td></tr><tr><td><a href="http://schema.org/Organization">schema:name</a></td><td>"<span property="schema:name">English Universities Press</span>"</td></tr></table></div></td></tr></table></div></div>
  27. 27. Worldcat Schema.org data for a book @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix schema: <http://schema.org/> . @prefix worldcat: <http://www.worldcat.org/oclc/> . @prefix library: <http://purl.org/library/> . @prefix viaf: <http://viaf.org/viaf/> . @prefix lc_authorities: <http://id.loc.gov/authorities/names/> . @prefix mads: <http://www.loc.gov/mads/rdf/v1#> . worldcat:221944758 rdf:type schema:Book; library:oclcnum "221944758"; schema:name "Models for decision : a conference under the auspices of the United Kingdom Automation Council organised by the British Computer Society and the Operational Research Society"; library:placeOfPublication _:1; schema:publisher _:4 . schema:datePublished "[1965]"; schema:numberOfPages "149"; schema:contributor viaf:149407214; schema:contributor viaf:130073090; schema:contributor viaf:137135158; schema:contributor viaf:36887201; _:1 rdf:type schema:Place; schema:name "London :" . _:4 rdf:type schema:Organization; schema:name "English Universities Press" . viaf:149407214 rdf:type schema:Organization; madsrdf:isIdentifiedByAuthority lc_authorities:n79056431; schema:name "British Computer Society." . viaf:130073090 rdf:type schema:Organization; madsrdf:isIdentifiedByAuthority lc_authorities:n85076053; schema:name "Operational Research Society." . viaf:137135158 rdf:type schema:Organization; madsrdf:isIdentifiedByAuthority lc_authorities:n79063901; schema:name "Institution of Electrical Engineers." . viaf:36887201 rdf:type schema:Person; schema:name "Berners-Lee, C. M." . (http://www.aurochs.org/rdfv/rdfv.html : click Get Sample Data (OCLC))
  28. 28. Lots of Ways To Do It @prefix @prefix @prefix @prefix @prefix @prefix @prefix schema: <http://schema.org/> . dc: <http://purl.org/dc/terms/> . viaf: <http://viaf.org/viaf/> . rda_roles: <http://rdvocab.info/roles/> . cam: <http://data.lib.cam.ac.uk/id/entity/> . bnb_person: <http://bnb.data.bl.uk/id/person/> . foaf: <http://xmlns.com/foaf/spec/#> . example:book0001 dc:creator cam:cambrdgedb_eeacef63d900c2acffc3daa400f3d4e4 . example:book0001 dc:creator bnb_person:WaughEvelyn1903-1966 . example:book0001 schema:creator viaf:68937142 . example:book0001 rda_roles:creator viaf:68937142 . example:book0001 dc:creator lc_names:n79049248 . example:book0001 dc:creator _:bnode001 . _:bnode001 foaf:name "Waugh, Evelyn, 1903-1966" . example:book0001 example:author example:author0001
  29. 29. Blank Nodes @prefix lc_names: <http://id.loc.gov/authorities/names/> . @prefix dc: <http://purl.org/dc/terms/> . @prefix foaf: <http://xmlns.com/foaf/spec/#> . lc_names:no97080492 dc:creator _:bnode01 . _:bnode01 a foaf:Person . _:bnode01 foaf:name "Evelyn Waugh" . lc_names:no97080492 dc:creator [ a foaf:Person ; foaf:name "Evelyn Waugh" ] .
  30. 30. Introduction to Linked Data @prefix foaf: <http://xmlns.com/foaf/0.1/> . @prefix dc: <http://purl.org/dc/terms/> . @prefix bibo: <http://purl.org/ontology/bibo/> . cigld_intro know" . _:bnode001 _:bnode002 dc:creator _:bnode001 ; dc:created "2013" ; dc:title "Introduction to Linked Data" ; bibo:Series "Linked data: what cataloguers need to a foaf:person ; foaf:name "Thomas Meehan" ; foaf:mbox <tom@aurochs.org> ; foaf:account _:bnode002 . a foaf:OnlineAccount ; foaf:accountServiceHomepage "https://twitter.com/" ; foaf:accountName "@orangeaurochs" .
  31. 31. References Worldcat record for Models for decision / C. Berners-Lee. http://www.worldcat.org/title/models-for-decisiona-conference-under-the-auspices-of-the-unitedkingdom-automation-council-organised-by-thebritish-computer-society-and-the-operationalresearch-society/oclc/221944758 What is open data? / The Open Data Institute. http://theodi.org/guides/what-open-data Linked Data : design issues / Tim Berners-Lee. http://www.w3.org/DesignIssues/LinkedData
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