Screen Real Estate

Mike Cullingham

Data base navigation: an office environment for the professional

Robert Spence and Mark Apperley

Specification of Document

• Limitations of human memory• Browsing usually necessary

Office Proposal

• Pointing, gesturing, speaking, touching

• No radical change

• Available technology

• Cheap

The problem: 1 million+ documents

The Wall

Icons

Selection

Calendar

Information Levels

Generalized Fisheye Views

George W. Furnas

The usual interface

• Small view in large structure• Scroll to move view

• Easy to get lost• Little information about global structure

Degree of Interest

• Display n “most interesting” points• Success depends on finding appropriate DOI

functions

• DOIfisheye(x, y) = API(x) – D(x, y)

A Priori Importance

Distance from Focus

Combined

Thresholds

Traditional Code View

Fisheye Code View

Botanical Taxonomy Results

• 2 Flat views 52%• 1 Fisheye, 1 Flat view 64%• 2 Fisheye 75%