Flexible Search and Navigation using Faceted Metadata

The Flamenco Project Team

Motivation

Recent Study by Vividence Research

Following Hyperlinks

An Analogy

Main Idea

The Challenges

Main Idea

An Important Trend in Information Architecture Design

A Taxonomy of WebSites

Faceted Metadata

Metadata: data about data
Facets: orthogonal categories

Faceted Metadata: Biomedical 
MeSH (Medical Subject Headings)
www.nlm.nih.org/mesh

Mesh Facets (one level expanded)

Questions we are trying to answer

How NOT to do it

Yahoo’s use of facets

Yahoo’s use of facets

Yahoo’s use of facets

Yahoo’s use of facets

Problem with Metadata Previews as Currently Used

Recipe Collection Examples

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Epicurious Metadata Usage

Metadata usage in Epicurious

Metadata usage in Epicurious

Metadata usage in Epicurious

Metadata usage in Epicurious

Metadata usage in Epicurious

Epicurious Basic Search

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Epicurious: Usability Study

Missing From Epicurious

Metadata Interface for Image Search

Current Approaches to Image Search

Architects and City Planners

The Collection

Architects’ Image Use

Development Timeline

The Interface

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Usability Study on Round 3

Study Tasks

Interface Evaluation

Overall Preferences: 
Matrix vs. Tree

User Comments - Matrix

User Comments – Tree

Task Completion Times

When Given A Choice …

Feature Usage (%)
Refining

Feature Usage –
Expanding / Starting Over

Feature Usage (%) 
Types of Actions

Interface Evaluation

Application to Medline

Summary and Conclusions

Summary

Summary

Summary

Advantages of the Approach

Some Unanswered Questions

Thank you!