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Longitudinal Study on Rapi

Longitudinal Study on Rapi. Jesse Prabawa Gozali WING Meeting Feb 15 th 2008. Presentation Outline. Overview of Rapi Longitudinal Study (Dec 07 − Jan 08) Motivation Methodology Findings Discussion Future Works. Overview of Rapi. Rapi (’ rəpē )

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Longitudinal Study on Rapi

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  1. Longitudinal Study on Rapi Jesse Prabawa Gozali WING Meeting Feb 15th 2008

  2. Presentation Outline • Overview of Rapi • Longitudinal Study (Dec 07 − Jan 08) • Motivation • Methodology • Findings • Discussion • Future Works

  3. Overview of Rapi • Rapi (\’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/

  4. Overview of Rapi

  5. Presentation Outline • Overview of Rapi • Longitudinal Study (Dec 07 − Jan 08) • Motivation • Methodology • Findings • Discussion • Future Works

  6. Motivation • Iterative design and test cycle:

  7. Motivation

  8. Methodology • Two-pronged approach • User study (nine students) • Interaction logs • Questionnaires (scenario-based tasks and diary entries) • Interviews • UI kiosk placed in situ • Interaction logs

  9. Findings

  10. Findings

  11. Findings • 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

  12. Discussion • Three 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?

  13. Presentation Outline • Overview of Rapi • Longitudinal Study (Dec 07 − Jan 08) • Motivation • Methodology • Findings • Discussion • Future Works

  14. Future Works • Supporting quantitative data • Task completion rates • Average time on task • Average task error counts • Average task satisfaction scores

  15. Thank you Any questions?

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