Human-Computer Interaction Laboratory

University of Maryland

Catherine Plaisant www.cs.umd/hcil plaisant@cs.umd.edu

ACTIVITIES related to Social Network:

Information Visualization, Interaction, Evaluation

HCIL relevant strengths:Information Visualization, e.g. :

Treemap

TimeSearcher HCE (Hierarchical Clustering Explorer)

LifeLines

HCIL relevant strengths:Zoomable User Interfaces, e.g. :

International Children Digital Library

CounterPoint

Fisheye menus

SpaceTree

Datelens

SpaceTree

Current projects:Network Data Visualization

TreePlus Tree-centered solution Interaction + Visualization Focus on readability and stability Incremental navigation

NetLens Interactive coordinated overviews Dynamic filtering Bipartite graphs Scale to large datasets

Selected apps: bibliography, email archives, food webs

www.cs.umd/hcil/graphvis

GraphPlus

TreePlus

TreePlus

NetLens – e.g. Papers & People (ACM DL)

Papers on the leftAuthors on the right

Overviews provided for all attributes (here for number of papersper year)

Filtered to show only papers related to visualiza- tion, and the people who wrote those papers are shown on the right side, aggregated by institution type.

Also for studying Enron email, or legal cases and courts

InfoVis 2004 Contest The History of InfoVishttp://www.cs.umd.edu/hcil/iv04contest/

10 years of Infovis papers – 18 submissions

Evaluation

Benchmark datasets Representative tasks Ground truth Metrics Repositories Methods for evaluation

Longitudinal case studies Insight based evaluation etc.