Comparing static gantt and mosaic charts for visualization of task schedules

Saturnino Luz*, Masood Masoodian

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

10 Citations (Scopus)

Abstract

A mosaic chart has been proposed for representation of events on a timeline. While early studies demonstrated the effectiveness of mosaics in supporting visualization of multimedia records on a meeting browser, the usability of mosaics as a static timeline visualization has not been studied in more general settings. This paper investigates the use of the mosaic charts for visualization of project schedules. A user study was conducted to compare a building project schedule encoded alternatively as a mosaic or as a Gantt chart. Although the study focused on static graphs, for which the Gantt technique is usually very effective, results showed that the users were as fast and accurate at answering the questions using the mosaic representation as they were using Gantt charts. The analysis and experiment indicated algorithmic, space-filling and interpretation limitations of the mosaic technique. We suggest possible design improvements to overcome some of these limitations.

Original languageEnglish
Title of host publicationProceedings - 15th International Conference on Information Visualisation, IV 2011
Pages182-187
Number of pages6
DOIs
Publication statusPublished - 2011
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Information Visualisation - London, United Kingdom
Duration: 13 Jul 201115 Jul 2011
Conference number: 15

Publication series

NameProceedings of the International Conference on Information Visualisation
ISSN (Print)1093-9547

Conference

ConferenceInternational Conference on Information Visualisation
Abbreviated titleIV
Country/TerritoryUnited Kingdom
CityLondon
Period13/07/201115/07/2011

Keywords

  • Gantt charts
  • information visualization
  • screen design
  • temporal mosaics
  • Timelines

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