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?