LO(D) and Behold! extending to the Giant Global Graph
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This document summarizes key points from a presentation about extending the National Library of Scotland's Digital Object Identifier (DOI) metadata to link to external vocabularies and data sources on the global semantic web. The presentation covers challenges with string matching and mapping local vocabulary terms to global URIs, techniques for involving crowdsourcing to help with entity disambiguation, and questions around whether local vocabularies without URIs should be changed and how different vocabularies can be mapped to each other beyond a single domain.
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LO(D) and Behold! extending to the Giant Global Graph
- 1. LO(D) and Behold! issues, tips and techniques for extending to the Giant Global Graph gill hamilton digital access manager g.hamilton@nls.uk
- 2. agenda • me, the Library and the DOD • The Big Issue • practical techniques • things to think about …..
- 4. the DOD • descriptive, technical, administrative & preservation metadata • http://digital.nls.uk/ • > 15 million records
- 5. Cataloguing in the DOD
- 6. cataloguing like this is so last ….
- 8. What IS the URI for “Spud” anyway? is the mapping of historical strings to their modern day things or URIs … that we would have used if we were starting now.
- 10. the DOD and its vocs Name Authority File (names) go Subject Authority File (keyword) go Thesaurus for Graphic Materials (keyword) go Thesaurus of Geographic Names (place) go Art & Architecture Thesaurus (keyword) go
- 12. names D74548618 tWhoType-Depicted D9886 tWho-who D9886 exactMatch http://digital.nls.uk/74548618 D9886 “Great Britain. Army. Women’s Army Auxiliary Corps” no2006000034 ?
- 14. art & architecture D74546504 Keyword D1234 D1234 Keyword-keyword “War photography” D1234 exactMatch _________ http://digital.nls.uk/74546504
- 15. LoC Getty Name Authority File go Subject Authority File go Thesaurus for Graphic Materials go Thesaurus of Geographic Names go The Art and Architecture Thesaurus go Well …. real soon now
- 16. a slight aside join things up ... locally main catalogue Hamilton, Gill name998877 hasMainCatLabel hasSSALabel hasDODLabel Scottish screen archive Silly Gilly “Hamilton, Gill” “Silly Gilly” “Gillian Hamilton dod Gillian Hamilton URI bucket
- 18. once for all time! LCSH:sh85072341 exactMatch hproductontology.org/doc/Kilt exactMatch dbPedia:Kilt DOD:D575 exactMatch geoNames:3029030
- 19. matching local to global statistical literals humans influences
- 20. statistical the law of large numbers
- 21. literals String matching …. Yeah baby! What do we want? UNIQUE MATCHES! When do we want them? NOW! NOW! NOW! OH NO!!! hang on a minute ….
- 22. literals String matching …. DAMN YOU! WOO-HOO! Not hits hits Multiple EXACT MATCH means we’ve gotta URI no URI no need for humans needs humans but can you really REALLY trust it? Innumerate?
- 23. an aside …. the innumerate Scots The first bridge The Forth bridge is the Forth neither the Fourth nor the 4th The 2nd bridge is the Forth Road bridge
- 24. an aside …. the innumerate Scots Fourth Forth bridge Third Forth bridge
- 25. an aside …. the innumerate Scots There’s a third The First Bridge on Forth Bridge on the Firth of Forth the Firth The FIFTH Forth bridge is the Forth bridge Did I tell you about And Finally, The 2nd Bridge there’s the on the Firth of Fifth Forth Forth is the Forth bridge on the Road bridge yet? Firth of Forth Firths And on the Firth of Forth there’s a Fourth bridge but it’s not the Forth bridge
- 29. groups keyword Earth (soil) close Earthworks (engineering works) sh85040505 exact exact AAT 74465029 1048 close AAT 74549258 3723 AAT 74546044 4844 TGMI sh85124396 Earls Match http://en.wikipedia.org/wiki/Soil Match Wikipedia http://en.wikipedia.org/wiki/Earls LCSH keywordAuthor ity 74548320 1055 74546674 4352 http://en.wikipedia.org/wiki/Earthworks_(engineering) exact Eating & drinking Editors Keyword http://id.loc.gov/auth orities/subjects/sh850 40976.html close LCSH AAT Match Wikipedia http://en.wikipedia.org/wiki/Editing Edwardian Match broad DODid keywordID Originating voc http://en.wikipedia.org/wiki/Edwardian close AAT 74549696 1071 Egg sh85041248 close http://en.wikipedia.org/wiki/Egg_(biology) close AAT 74549016 4351 Elderly Electricity Embankments tgm007221 sh85042065 close close http://en.wikipedia.org/wiki/Elderly http://en.wikipedia.org/wiki/Electricity close close AAT AAT AAT Eating & drinking Editors Emblems Edwardian Emergency medical services Egg Enemies Engineers Elderly Engines (power producing equipment) Electricity Entertainers Entertaining Embankments Entertainment sh85040976 sh85042664 sh85042693 close http://en.wikipedia.org/wiki/Embankments http://en.wikipedia.org/wiki/Editing exact AAT http://en.wikipedia.org/wiki/Emblems close http://en.wikipedia.org/wiki/Edwardian http://en.wikipedia.org/wiki/Emergency_medical_service TGMI exact s close close http://en.wikipedia.org/wiki/Enemies http://en.wikipedia.org/wiki/Egg_(biology) AAT close broad AAT close http://en.wikipedia.org/wiki/Engineers close close http://en.wikipedia.org/wiki/Elderly AAT close close close http://en.wikipedia.org/wiki/Engines http://en.wikipedia.org/wiki/Electricity TGMI exact http://en.wikipedia.org/wiki/Entertainers broad AAT close exact http://en.wikipedia.org/wiki/Entertaining broad http://en.wikipedia.org/wiki/Embankments exact exact sh85042747 sh85041248 sh95005954 sh85043249 tgm007221 sh85043258 sh85042065 sh85044098 sh85044107 sh85042664 sh96009616 broad http://en.wikipedia.org/wiki/Entertainers exact TGMI broad close close close close exact TGMI 74549556 74547020 AAT 74548178 AAT 74546714 74545806 AAT 74549382 AAT 74549498 74549310 AAT 74548888 AAT 74546398 1079 3744 1087 1088 4807 1104 1106 4895 1115 1116 74548150 5191 Entrances ? http://en.wikipedia.org/wiki/Entrance exact AAT 74549258 1117 Epaulets - http://en.wikipedia.org/wiki/Epaulette exact AAT 74546740 1118 Equestrians sh85062154 http://en.wikipedia.org/wiki/Equestrianism broad AAT 74549594 1123 AAT 74545814 1124 TGMI 74549442 3782 74548678 1139 Equipment Equipment & supplies sh85085299 sh85085299 close ? broad http://en.wikipedia.org/wiki/Military_equipment close close http://en.wikipedia.org/wiki/Military_equipment broad Ethnic groups sh85045172 exact http://en.wikipedia.org/wiki/Ethnic_group exact AAT Events sh96009616 close http://en.wikipedia.org/wiki/Competition close AAT 74547864 1148 sh85046104 broad http://en.wikipedia.org/wiki/Excavation_(archaeology) related AAT 74549618 4850 74548718 5038 Excavation (process) Exhibiting sh85046354 close http://en.wikipedia.org/wiki/Exhibition broad AAT Exhibitions (events) sh85046354 close http://en.wikipedia.org/wiki/Exhibition exact AAT 74546188 1163 Explosions sh85046465 exact http://en.wikipedia.org/wiki/Explosion close AAT 74549252 3750
- 30. crowds Which person is Old Fox? `<name> Capt. Campbell </name> <name> Maj Duncanson </name> Is Glencoe here? <name> old Fox </name> <place> Glencoe </place> http://en.wikipedia.org/wiki/Massacre_of_Glencoe <name> McDonalds </name> Order to Capt. Campbell by Maj. Duncanson You are hereby ordered to fall upon the rebells, the McDonalds of Glencoe, and put all to the sword under seventy. you are to have a speciall care that the old Fox and his sones doe upon no account escape your hands
- 31. crowds & geonames We think this is Cambrai … Do you think this Cambrai is here? it Or do you think it’s here?
- 32. crowds & dbPedia Is the horse in this picture … it none of these
- 33. crowds & LCSH Would you describe this horse in any of these ways? it Show jumpers (horses) Horses in motion pictures Toy Horses Horses War horses Travel with horses none of these
- 34. Things to think about …. • using a voc without URIs? – should we change? • are there good ways to string match? – are they trustworthy? • are crowds helpful? • what vocs are mapped to what other vocs? – can/should we help map vocs beyond our domain?