Open Repositories 2014: Crowdsourced Transcription via IIIF
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Transcript of Open Repositories 2014: Crowdsourced Transcription via IIIF
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Distributed Repositories and Crowd-Sourcing Transcription Open Repositories 2014, Helsinki, Finland, 11th of June 2014
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Distributed Repositories of Medieval Calendars and Crowd-Sourcing of Transcription
Rob Sanderson [email protected] [email protected] t: @azaroth42 Stanford University Ben Albritton, Stanford University Doug Emery, University of Pennsylvania Will Noel, University of Pennsylvania Dot Porter, University of Pennsylvania
http://iiif.io/
This research was primarily funded by the Andrew W. Mellon Foundation
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Distributed Repositories and Crowd-Sourcing Transcription Open Repositories 2014, Helsinki, Finland, 11th of June 2014
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Image Repositories
• Increase in digitization • Particularly precious,
fragile, beautiful objects • Medieval Manuscripts
• Digitized images online • Increasingly Open • At high resolution
• Easy to capture an image • Very hard to capture the text
http://gallica.bnf.fr/ark:/12148/btv1b8449691v/
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Distributed Repositories and Crowd-Sourcing Transcription Open Repositories 2014, Helsinki, Finland, 11th of June 2014
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Calendars
• Ubiquitous in liturgical books • e.g. Books of Hours
• Structured and often tabular: Date, Day, Saint / Event
• Content varies slightly • Variation details give us
information about the provenance of the object
• Much easier to transcribe • Good pilot project!
http://www.e-codices.unifr.ch/en/bge/lat0033
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Distributed Repositories and Crowd-Sourcing Transcription Open Repositories 2014, Helsinki, Finland, 11th of June 2014
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Collaborative Crowd Sourcing?
• Meeting at U. Penn including content providers and scholars
• Plan: • Collect transcriptions
together • Analyze similarities
between manuscripts for patterns of provenance
• Manuscripts and images distributed: need a community to collect sufficient data
http://brbl-dl.library.yale.edu/vufind/Record/3446275
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Distributed Repositories and Crowd-Sourcing Transcription Open Repositories 2014, Helsinki, Finland, 11th of June 2014
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Micro Repository Rant: TEI
• Most transcribing done in TEI
• Terrible for this use case: • Single XML file • Single author • Single location • Hard to link to images • Tries to describe too much • Impossible to use once
created
• Creating TEI is good for:
http://www.thedigitalwalters.org/Data/WaltersManuscripts/html/W41/
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Distributed Repositories and Crowd-Sourcing Transcription Open Repositories 2014, Helsinki, Finland, 11th of June 2014
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Micro Repository Rant: TEI
• Most transcribing done in TEI
• Terrible for this use case: • Single XML file • Single author • Single location • Hard to link to images • Tries to describe too much • Impossible to use once
created
• Creating TEI is good for: • The academic exercise of
creating TEI http://www.thedigitalwalters.org/Data/WaltersManuscripts/html/W41/
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Requirements
• Distributed image content • Consistent, rich API
• Selection of regions • Base, not displayed size
• Alignment of text with region • Distributed creation • Distributed curation • Multiple texts per region • Styling of the text • Some semantics
http://oculus-dev.lib.harvard.edu/manifests/view/drs:5981093
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1. Images: BNF next to Yale
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Open Technology: IIIF Image API
Base URL: {scheme}://{host}{/prefix}/{identifier}!Image Resource: {base}/{region}/{size}/{rotation}/{quality}.{format}!!
http://iiif.io/api/image/1.1/
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(Part of the) IIIF Community
• ARTstor • Bibliothèque Nationale de
France • Bodleian Libraries, Oxford
University • British Library • C2MRF • Cambridge University • Cornell University • DPLA • Europeana • e-codices
• Harvard University • Johns Hopkins University • National Library of Denmark • National Library of Poland • National Library of New Zealand • National Library of Norway • National Library of Wales • Princeton University • Stanford University • Wellcome Trust • UK National Archives • Yale University
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2. Crowdsourced Box Drawing
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2. Crowdsourced Box Drawing
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2. Crowdsourced Box Drawing
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2. Crowdsourced Box Drawing
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2. Crowdsourced Box Drawing
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2. Crowdsourced Box Drawing
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2. Crowdsourced Box Drawing
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2. Crowdsourced Box Drawing
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2. Crowdsourced Box Drawing
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Open Technologies
• Mirador • IIIF Community developed viewer
• Stanford, Harvard, Yale, [LANL] • Zooming via Open SeaDragon
• Princeton, and OSD committers
• JCrop • JQuery plugin for drawing little boxes
• MongoDB • Store information via REST interface • W3C Media Fragment image segments • Trivially converted to IIIF Image API requests
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Open Technologies
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Open Technologies
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Open Technologies
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Open Technologies
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Open Technologies
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Open Technologies
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Open Technology • Line/Column inspiration from TPEN (IIIF compliant)
• Transcription tool developed at St. Louis • http://t-pen.org/TPEN/ • Line detection flakey, no internal columns
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Open Technologies • Inspiration from TPEN (IIIF compliant)
• Transcription tool developed at St. Louis • http://t-pen.org/TPEN/ • Line detection flakey, no internal columns
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Distributed Repositories and Crowd-Sourcing Transcription Open Repositories 2014, Helsinki, Finland, 11th of June 2014
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Open Technologies • Inspiration from TPEN (IIIF compliant)
• Transcription tool developed at St. Louis • http://t-pen.org/TPEN/ • Line detection flakey, no internal columns
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Boring (but Open) Metadata
• Metadata collection to drive the analysis • Stored along with the segments • Defaults are normally correct • Custom extension, not intended for general purpose use
• Convenient to do inline • Other metadata could be added • Could be done in a different workflow
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Metadata
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Metadata
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Metadata
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Metadata
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Metadata
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...
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Metadata
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Open Technology: IIIF Presentation API
Text/Image Linking is a subset of a larger challenge: • Non-Text / Image Linking • Dynamic Images • No Image to link to • Multiple Images • Parts of Images • Parts of larger texts • Distributed images, texts and links
Need an indirection layer: • Solution: align text and image with an abstract Canvas
http://iiif.io/api/presentation/1.0/
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Open Technology: IIIF Presentation API
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Open Technology: IIIF Presentation API
http://iiif.io/api/presentation/1.0/
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Open Technology: IIIF Presentation API
http://iiif.io/api/presentation/1.0/
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Linked Data People...
If you do not want
to know the score, look away now!
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Linked Data People...
{ "it's" : "just JSON" }
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Web Developers...
If you do not want
to know the score, look away now!
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Web Developers...
<_:it's>
<_:all> <_:Linked_Data>;
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Micro Repository Rant 2: RDF Serialization
“RDF/XML was the Semantic Web’s 3 Mile Island incident” -- Manu Sporny, http://manu.sporny.org/2012/nuclear-rdf/
Or … RDF – Not in my back yard!
• Serializing a graph is, admittedly, hard • RDF/XML is terrible, and too many others • Web currently uses JSON as convenient transfer syntax • JSON-LD allows transfer of RDF in syntax that does not require full
RDF stack, just a JSON implementation • … as available in every web browser
• Rob's Conclusion: Require JSON-LD • http://json-ld.org/
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JSON-LD Context Magic
{ // Canvas resource! "@context":"http://iiif.io/api/presentation/2/context.json",!
!! @context provides mapping for JSON keys into RDF.
!
"sc":"http://www.shared-canvas.org/ns/",!"oa":"http://www.w3.org/ns/oa#",!"service":{! "@type":"@id", ! "@id":"sioc_svcs:has_service"},!"height":{! "@type":"xsd:integer", ! "@id":"exif:height"},!"sequences":{! "@type":"@id",! "@id":"sc:hasSequences",! "@container":"@list"} !
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Open Technologies: REST
• Experimental IIIF REST specification
• http://iiif.io/api/annex/rest/ • For both Presentation and Image
• Trivial Python/WSGI handler • Processes @context and generates identities • Stores in MongoDB (but API is agnostic) • Follows IIIF Presentation and Open Annotation
• http://www.w3.org/community/openannotation/ • Returns the correct JSON-LD • Doesn't fully handle image upload yet
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The Future is Now
• IIIF Image API 2.0
• Request for Comment period open! • http://iiif.io/api/image/2.0/
• IIIF Presentation API 2.0 • Ditto! • http://iiif.io/api/presentation/2.0/
Please give us feedback: [email protected] • Ongoing work with U.Penn to make a more robust system
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Thank You
Rob Sanderson [email protected] [email protected] t: @azaroth42 Stanford University
http://iiif.io/