longitudinal study on rapi jesse prabawa gozali wing meeting feb 15 th 2008

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?