Public humanities: from crowdsourcing to community-sourcing
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Transcript of Public humanities: from crowdsourcing to community-sourcing
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Pratt Institute-King’s College London Symposium, London, 26th June 2015
Public humanities: from crowdsourcing to community-sourcing
Mark HedgesDepartment of Digital HumanitiesKing’s College London
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Some Definitions …
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Definitions of crowdsourcing
[I]t doesn’t matter where the laborers are – they might be down the block, they might be in Indonesia – as long as they are connected to the network … the labor isn’t always free, but it costs a lot less than paying traditional employees. It’s not outsourcing; it’s crowdsourcing. [Howe 2006]
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[A] hybrid model that blends the transparent and democratizing elements of open source into a feasible model for doing profitable business, all facilitated through the web [Brabham 2008]
Definitions of crowdsourcing
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Definitions of crowdsourcingMost successful crowdsourcing projects are not about large anonymous masses of people. ... They are about inviting participation from interested and engaged members of the public. These projects can continue a long standing tradition of volunteerism and involvement of citizens in the creation and continued development of public goods [Owens 2012]
[T]he process of leveraging public participation in or contributions to projects and activities. [Dunn and Hedges 2012]
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The Business of Crowdsourcing
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Crowdsourcing as Business: MTurk
Example tasks:• Tagging images• Subtitling (speech -> text)• OCR correction• CAPTCHA cracking• ...
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Visits the tombs
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Academic Crowdsourcing in the Humanities
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A schematic view
Asset Process Output
Task
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Models of EngagementAmazon MTurk:• Open recruitment• Generic (or no) interest• Micropayment• Engagement?• Community?
• Open recruitment• Broad interest (initially)• Various rewards• Increased engagement• Loose/multiple communities• Some central support
• Focused recruitment• Very specific interest/expertise• Close engagement• Close community• Strong central support
Academic crowdsourcing models
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Motivations• Not financial (they are not being paid)
• Intrinsic interest it the subject matter (or process):
• Broad/general interest
• Specific/personal interest
• Opportunity to share interest with others
• More extrinsic:
• Wish to contribute to something worthwhile
• (Benign) competition
• “social” rewards: rankings, standing in the community, credited in publications
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Specialist knowledge
Size of ‘the crowd’
Collaborative tagging
Cataloguing
Levels of Expertise
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‘Super-contributors’ and the long tail
Small number of contributors do many transcriptions
Large number of participants do small number of transcriptions
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Groups form around a:• Topic• Subset of the source assets• Practice/activity
Roles develop as result of:• Activities undertaken• Expertise and interests• Conscious decision
Self-organisation vs top-downPeer production of research
Self-organisation and ‘Peer Production’
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Communities and Quality (Assurance)
• Perceived potential for low quality of crowdsourced info:
• Professional (expert?) vs amateur
• e.g. criticisms of Wikipedia
• Automated QA:
• e.g. replication of tasks, comparison of results
• Assumes measurable correctness
• Community-based, collaborative QA:
• Via collaboration and discussion
• Importance of clear criteria
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Community knowledge creation
Communities can provide very specific contributions:
• Interests and enthusiasms:
• e.g. maps, family history
• Specific (unique) objects/artefacts:
• e.g. ephemera, photographs, diaries
• Knowledge/Information:
• e.g. about family members, places
• Experience/expertise:
• e.g. relating to former occupation
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Subject interest, enthusiasm
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Unique artefacts
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Unique knowledge
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Specialist experience
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Outcomes for participants • Creation of communities
• Communities forming around question/topic• Technical/practical skills:
• ICT skills (e.g. wiki editing), paleography• Domain knowledge:
• e.g. about family members, places• Specialised research skills:
• Text editing, paleography, collaborative projects
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To sum up …
• Communities rather than crowds• Self-organisation rather than hierarchy• Engagement rather than anonymity• Collaboration rather than independence