longitudinal study on rapi jesse prabawa gozali wing meeting feb 15 th 2008
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Longitudinal Study on Longitudinal Study on RapiRapiJesse Prabawa GozaliWING Meeting Feb 15th 2008
Presentation OutlinePresentation OutlineOverview of RapiLongitudinal Study (Dec 07 − Jan
08)◦Motivation◦Methodology◦Findings◦Discussion
Future Works
Overview of RapiOverview of RapiRapi (\’rəpē\)
◦From the Indonesian word meaning tidy, organized or presentable
◦A rich Open Public Access Catalog (OPAC)Four key features:
◦Dual pane: overview + details◦Customizable results table◦Tabs◦Embedded suggestion bar
Available at http://linc.comp.nus.edu.sg/
Overview of RapiOverview of Rapi
Presentation OutlinePresentation OutlineOverview of RapiLongitudinal Study (Dec 07 − Jan
08)◦Motivation◦Methodology◦Findings◦Discussion
Future Works
MotivationMotivationIterative design and test cycle:
MotivationMotivation
MethodologyMethodology
Two-pronged approach◦User study (nine students)
Interaction logs Questionnaires (scenario-based tasks and
diary entries) Interviews
◦UI kiosk placed in situ Interaction logs
FindingsFindings
FindingsFindings
FindingsFindings Feature adoption
◦ Number of participants usingvarious features in the threescenarios of the first and lasttasks
Novel usage patterns◦ Multi-type,
multi-combination searches◦ Parallel searches prior to relevance assessment◦ Multi-tasking◦ Subtask caching
Changes in search behavior◦ Parallel searches ◦ Suggestion-prone◦ Relevance assessment
More details in the paper available from CVS
DiscussionDiscussionThree proposals for a rich OPAC
◦ Centralized search environment Tabs as the control center Search and browse Mixed results (e.g. type, medium) Single page environment
◦ Context-aware filters Advanced syntax may be un(popular|usable) Faceted metadata may be insufficient e.g. software version in how-to books, domain-
specific keywords◦ Context-aware suggestions
Task-centric suggestions e.g. Macromedia Flash == Adobe Flash?,
Rowling != Rowing?, Foo Bar?
Presentation OutlinePresentation OutlineOverview of RapiLongitudinal Study (Dec 07 − Jan
08)◦Motivation◦Methodology◦Findings◦Discussion
Future Works
Future WorksFuture WorksSupporting quantitative data
◦Task completion rates◦Average time on task◦Average task error counts◦Average task satisfaction scores
Thank youThank youAny questions?