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From Open Access to Effortless AccessEEXCESS Technologies for Improving Access to Digital Library Long-Tail Content!
Michael Granitzer, 3.05.16!Science 2.0 Conference, Cologne !
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Motivation
Increase in !• Publications through Open Access!• Software through Open Source!• Data through Open Data!
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• Vast amounts of cultural/scientific resources !digital available!
• Still memory organisations (i.e. library, museums, archives) face challenges in disseminating their content.!
Memory Organisations and Open Access
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Long Tail Content and it‘s Challenges
SearchEngineOp<miza<onSocialMediaMarke<ngetc.
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Challenge #1: Competition
• Competition with easy consumable mainstream content
• Highly commercialized• No direct business model
Challenge #2: Consumption
• Highly specialised content• Unawareness of existing content and
portals• User triggered search, not discovery• Content is not contextualised
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Proper<esandValueofLongTailContentAnExample
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ProgrammingLanguage LordByron The“first”computer TrinityCollege
Cambridge Economics
AdaLovelacenamed
aderdaughterof
workedwith
CharlesBabbage Alumniof
Alumniof
invented
The“BabbagePrinciple”
CulturalHeritagecontent• Mul<mediaArtefacts• OriginalMaterial• BackgroundInforma<on
Scholarlycontent• Discourse• Validatedfacts• Addi<onalexplana<ons
ValueofLongTailContent• Discovernewknowledge• Verifyinforma<on• Enrichothercontent
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EEXCESS – VISION & CONCEPT
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EXCESS VisionFrom Open to Effortless Access
• Not content, but time and attention of the user has become the limiting factor.!
• Untap the potential of Long-Tail content!• Ease access to long tail content for!
– Discovering of new knowledge, !– triggering serendipitous effects,!– verifying consumed information,!– enriching new content !!
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Concept
„Bring the content to the user, not the user to the content“
• Inject cultural and scientific content into existing web channels!– Websites (Wikipedia, etc.)!– CMS/LMS!– Social media channels !
(Twitter, etc.)!– Blogging!
• Personalise Long Tail content!– Context of the web channel!– User Context/User Profile!– User Task!
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EEXCESS – TECHNOLOGY
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Technology Overview
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MemoryOrganisa<ons
SelfServiceDataIntegra<on
Client Privacy Server MemoryOrganisa<ons
FederatedRecommender
PrivacyPreservingProxy
Context&Visuali-sa<onLibraries
Libraries Archives Museums
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Technology Data Integration through Self-Services
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11providers,Accessto>160MillionObjects
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Technology Privacy-preserving, federated recommender
Core functionality • Single point of access !• Query Federation!• Result set aggregation and
re-ranking!• Privacy-preservation
recommendations through!1. Unlinkability (of user identities)!2. Indistinguishability (of query
content through obfuscation)!!
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DemounderhCp://eexcess-demo.know-center.tugraz.at/#/system-demo
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Technology Querying and Visualisation
Automatic Querying and Visualisation• Determine the information need of a user!• Automatically create a query + profile!• Visualise relationships and explore
results!
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TechnologieOpen Source
• All components available as open source https://github.com/EEXCESS/eexcess!
• Github as platform !
!!
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EEXCESS – APPLICATIONS
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main topic keywordsresult indicator
visual query history
search resultssort and filter options
focus paragraph
morevisualisations
Applications Chrome Browser Plugin
2603/05/16
Goal:Provisionofaddi<onalmul<mediamaterialwhenbrowsingtheweb
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Applications Narrative Paths
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GenerateReadinglistsfromWikipediaAr<clesandPDFs(hCp://dslabs.mendeley.com/eexcess/narra<ve_paths)
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Applications Extending Collection Management Systems
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Applications Editing Support in Google Docs
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Ubiquitous Access to Digital Cultural Heritage • 1:21
selected text
search field
filter options
search result
include as image or reference
Fig. 7. Screenshot of the Google Docs plugin
4.4 Client Application for Content CreationIn the content creation scenario, additional cultural resources from the content providers are retrievedwhile users are creating their own (textual) content. To showcase this scenario, we implemented anadd-on for the online word processor Google Docs14. The core idea of the EEXCESS Google Docs add-on is to have a collaborative way of writing documents, and – while writing – a simple way to includerelated images and citations. Real-time online collaboration is available in Google Docs per se, theEEXCESS add-on extends Google Docs with EEXCESS results that can be inserted with one click.
The EEXCESS Google Docs add-on can be downloaded from the App-Store 15 and needs to be startedfor each document separately from the menu Add-ons ! E-Explorer ! Start. When activated, theadd-on is visible on the right side of the currently edited document (see Figure 7). To get results aphrase in the document can be highlighted (either by double clicking or keyboard selection) and isautomatically added to the search field. The add-on searches all connected content providers via thefederated aggregation component and displays the results as a list on the sidebar. The details of theresults can be accessed by clicking on the list entry. This brings you to a page with more detailedinformation about the digital object. Resources can be included in the document either as a referenceor an image (two icons on the right side of a result in Figure 7). The add-on has been evaluated with25 students of a seminar at the Munich School of Philosophy using a questionnaire. The questionnaire
14https://docs.google.com, last accessed 18.3.201615https://purl.org/eexcess/clients/googledocs-plugin, last accessed 18.3.2016
ACM Transactions on Applied Perception, Vol. 2, No. 3, Article 1, Publication date: May 2010.
InstallablethroughGoogle’sAddOnStoreCurrentlyca.450users
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Applications Learning Support in Moodle
30PluginavailablethroughMoodlePlugin-Store
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Applications Wikipedia Reference Butler
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search using keywords
search field
search results
include as wiki markup
view resource
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Conclusion
From Open Access to Effortless Access!• Understand the user and the context!• Put highly specialised long tail content in context!• Privacy preservation is possible!• Self-services for data providers!
!EEXCESS as one example, but many more applications feasible!• Virtual Research Environments!• Research Data!• …!
!à Fore more details on EEXCESS visit us at the demo session or at http://eexcess.eu/!
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Thanks for your attention
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