PageLinker, integrating contextual bookmarks into a browser
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Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
PagelinkerIntegrating contextual bookmarks into a browser
A.Tabard, W.Mackay, N.Roussel, C.Letondal
InSitu,INRIA & LRI, Institut Pasteur
May 1, 2007
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 1/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
PageLinker videos
Looking for:
Paper format Hotels Proteins
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 2/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Presentation Overview
I Web page revisitation
I Participatory Design with biologists
I Contextual Bookmarks
I Evaluation
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 3/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Revisitation and biologists
I Heavy web users
I Go from on website to anotherto analyse data
I Use a lot of online forms, andcopy/paste to transfer data
I Bookmarks and history helpfulbut not enough
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 4/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Purpose
Contextual bookmarks
are bookmarks/favorites specific to a page or set of pages.
I Associate web pages together
I Help users chain web pages
I Improve web page revisitation
I Contextualise web navigation
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 5/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Purpose
Contextual bookmarks
are bookmarks/favorites specific to a page or set of pages.
I Associate web pages together
I Help users chain web pages
I Improve web page revisitation
I Contextualise web navigation
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 6/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Web page revisitation tools
Literature
I from 46% to 81% ofpages are revisited[Weinreich & al 2006], [Cockburn & al 1999]
I WebView, [Cockburn & al 1999]
I Padprints, [Hightower & al 1998]
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 7/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Web page revisitation tools
Everyday browsers:
I History
I Bookmarks
I URL drop down menu
I Search Engines
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 8/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Preliminary Study of Biologists
20 biologists / bio-informaticians interviewed
I Strong habits:smooth integration in their workflow
I Exploratory navigation:interaction
I Redundancy:need to manage different versions of the same data
I Data flows:copy/paste to chain steps
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 9/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
PageLinker Participatory Design
Supporting biologists’ process of analysing web-based data byassociating related web pages.
I 4 iterations in aparticipatory design process
I links automatically createdthrough copy/paste events
I co-adaptationshown manual linking
I Contextual Bookmarks
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 10/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Evaluation Field Expertiment
I limited time-series, field experiment
I within-subjects design, with one factor
I 4 iterations, once a week during one month
1. Firefox,2. Firefox + PageLinker,3. Firefox,4. Firefox + PageLinker.
I at users’ (12) workplace, on their own browser
I 15 minutes scenario, illustrating everyday web navigation
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 11/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Evaluation Scenario
15 minutes scenario,illustrating everyday web navigation
I 1: Database search(NCBI)
I 2,3: Parallel exploration(Genemark, Genescan)
I 4: Comparison(bl2seq)
I 5: Analysis and visual scan(Blast)
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 12/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Results - time
task completion time was 28% shorter (p < 0.01)
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 13/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Results - clicks
22% fewer clicks occurred (p < 0.01)
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 14/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Results - page loads
38% fewer pages loaded (p < 0.01)
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 15/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Results
Some explanations
I fewer intermediate pages visited
I fewer searches
I more accurate positioning
I greater understanding
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 16/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Conclusion
I Personal web of relevant pages
I Contextual bookmarks improve revisitation
I Keep users in control
I 3-month follow-up: 2/3 were still using it
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 17/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Authors
InSitu lab: http://insitu.lri.fr/download: http://rabidfox.mozdev.orgA.Tabard: http://www.lri.fr/∼tabard
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 18/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
RDF datastructure
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 19/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Workshop
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 20/21
Demo Web page Revisitation Participatory Design of PageLinker in situ Evaluation Questions
Navtracer: Firefox event logger
I Improve the very limited browsers’ history
I Need for detailed interaction log
I Generated by the system through a Firefox extension
I Know what you are interested in
A.Tabard, W.Mackay, N.Roussel, C.Letondal: Pagelinker, Integrating contextual bookmarks into a browser 21/21
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