global lodlam_communities and open cultural data
TRANSCRIPT
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Global communities and open cultural data: towards linked open
data in libraries, archives and museums
Mia Ridge
Academia Sinica, Taipei, Taiwan
October 2012
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About me
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Outline
• What problems can linked open data solve?
• Definitions
• Why is open cultural data important?
• History of open cultural data and role of communities
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‘James Cook’ = maritime explorer?
• Computers are think in strings, people think in ‘things’.
• ‘James Cook’ == ‘Captain Cook’? Only if you’re human.
• Linking both to http://dbpedia.org/page/James_Cook helps a computer know who you mean
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Types of data
• Metadata: who, what, where, when, material, size, location - the basic ‘tombstone’ data
• Data: the full collections record including descriptions, interpretive themes, narratives, etc
• Digital surrogates: e.g. images of the object, transcribed text of book or document, 3D printer files, etc
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APIs (Application Programming Interfaces) are a way for one machine to talk to another:
‘Hi Bob, I’d like a list of objects from you, and hey, Alice, could you draw me a timeline to put the objects on?’
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‘open’
• Open data is freely available for use and redistribution by anyone for any purpose
– Licensors might require attribution
– Licensors might require users to re-share under the same licence
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Open licences
• Attribution: 'You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work)’.
• Sharealike: 'If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.’
• Non-commercial: prohibits uses that are ‘primarily intended for or directed toward commercial advantage or private monetary compensation’.
• No derivatives: 'You may not alter, transform, or build upon this work.’
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Linked data
• “data published on the Web in such a way that it is machine-readable, its meaning is explicitly defined, it is linked to other external data sets, and can in turn be linked to from external data sets”.
Source: ‘Linked Data - The Story So Far’
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5 stars
★ make your stuff available on the web (whatever format)
★★ make it available as structured data (e.g. excel instead of image scan of a table)
★★★ non-proprietary format (e.g. 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
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From string to thing
‘James Cook’
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From string to thing
‘James Cook’ = http://dbpedia.org/page/James_Cook ...
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From string to thing ‘James Cook’ = http://dbpedia.org/page/James_Cook ...
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‘James Cook’
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What is linked open data?
• ‘data or metadata made freely available on the World Wide Web with a standard markup format’
– linked (and linkable): technical requirements
– open: licencing requirements
• Enabling connections and collaboration through interoperability
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Open cultural data
• Data from cultural institutions that is made available for use in a machine-readable format under an open licence.
• Linkable: if published at a permanent URL, can be linked to from other projects
• Partial data releases e.g. low-resolution images, metadata-o nly releases
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Why is open cultural data important?
• Helps achieve organisational goals, mission
• Can vastly increase access to content
• Can vastly increase engagement with content
• Can create ‘network effect’ with related institutions
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Movements in linked open data
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2007 - May
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2007 - October
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2008
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2009
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2010
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2011
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2001: first article about semantic web
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2004: standards stabilised
• RDF Schema, RDF, OWL standardised
• SPARQL introduced
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2006
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2006: Semantic Web Think Tank
Image credit: jon pratty, all rights reserved
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2007
Source: http://www.bbc.co.uk/blogs/bbcinternet/2010/02/case_study_use_of_semantic_web.html
• BBC: “a web identifier, with associated HTML pages and machine-readable feeds (RDF/XML, JSON and XML), for every programme the BBC broadcasts—allowing other teams within the BBC to incorporate those pages into new and existing programme support sites, TV Channel and Radio Station sites, and cross programme genre sites such as food, music and natural history”
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2007
Source: http://www.bbc.co.uk/blogs/bbcinternet/2010/02/case_study_use_of_semantic_web.html
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2008
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Europeana prototype launched
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2009
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Within a few days...
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‘raw data now’
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2010
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Questions... If we built an API, would anyone use it? Can you really crowdsource the creation of collections interfaces?
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2011
• Science Museum Group released 240,000 collections records as plain text CSV files.
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2012
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Europeana CC0
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The role of communities
• Online community via social networks, wikis, discussion lists
• Events and meetups important
• Use hashtag like #lodlam for open, international conversation
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What is LODLAM?
• 100 international attendees, Linked Open Data in Libraries, Archives, and Museums Summit
• San Francisco, June 2011
• Organised by Jon Voss (@jonvoss) with Kris Carpenter Negulescu, Internet Archive
• Sponsored by the Alfred P. Sloan Foundation, National Endowment for the Humanities and the Internet Archive
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Image by martin_kalfatovic, Some rights reserved
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4 stars
★
Attribution Share-Alike License (CC-BY-SA/ODC-ODbL)
★★ Attribution License (CC-BY / ODC-BY) with another form of attribution
★★★ Attribution License (CC-BY / ODC-BY) when the licensor considers linkbacks to meet the attribution requirement
★★★★ Public Domain (CC0 / ODC PDDL / Public Domain Mark)
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LODLAM 2013 Challenge
• highlight data visualizations, tools, mashups, meshups, and all types of use cases for Linked Open Data in libraries, archives, and museums. Teams will register to submit in one and/or two heats during the fall and the spring.
• Submit: video presentation (no longer than 5 min), title, short description, long description (can include images, photos, mockups, etc), FAQ section by 1 December 2012 or 1 May 2013
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LODLAM 2013
• June 2013, Montreal
• Your ideas can win!
• Challenge prize: 2 delegate seats at the Summit and $2,000USD in travel stipends.
• Grand prize $2,000USD.
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LODLAM Challenge Criteria
• can be private/public partnerships, academic teams, individuals, private companies, non-profits, just about anyone.
• can be prototypes, mockups, design specs, working models • can be tools or processes for a broad GLAM community • can innovative ideas that will advance the entire community • must have a clearly articulated project goal • must utilize open data sets • must include a statement about how it’s distributed, what is the IP
and how is it held (does not have to be open) • will be judged partially on how well the idea is pitched and
visualized, just like in kickstarter: idea + marketing, ie. points for style
• must clearly describe the problem you’re trying to solve • must answer the question: if you win, what is your next step?
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Thank you
• http://groups.google.com/group/lod-lam
• #lodlam on Twitter
• http://lod-lam.net
• miaridge.com @mia_out