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LifeLines: Visualizing Personal Histories

LifeLines: Visualizing Personal Histories. Catherine Plaisant, Brett Milash, Anne Rose, Seth Widoff, Ben Shneiderman. LifeLines - Overview. Lifelines provide a general visualization environment for personal histories that can be applied to a wide range of biographical data.

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LifeLines: Visualizing Personal Histories

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  1. LifeLines: Visualizing Personal Histories Catherine Plaisant, Brett Milash, Anne Rose, Seth Widoff, Ben Shneiderman

  2. LifeLines - Overview • Lifelines provide a general visualization environment for personal histories that can be applied to a wide range of biographical data. • Started out as a graphical interface to juvenile records for the Maryland Department of Juvenile Services. • In 1997 Univ. Of Maryland began a collaboration with IBM to bring lifelines to the web for patient medical records.

  3. LifeLines - Graphical Interface • Facets are shown as groups of events with alternating background colors. • Events are shown as lines of varying size and color. • Size and color dictate where different periods begin and end within the lifespan of the event or the severity of the event. • Discrete events are shown as icons on the screen.

  4. LifeLines - Capabilities • Zoom capabilities, to more accurately pinpoint areas of interest. • Collapsible facets make it easier to view data of interest. • Text searches allow the user to locate specific pieces of data.

  5. LifeLines – Capabilities (cont.) • By double clicking on any event you are given detailed information and thus the lifelines interface acts a large menu. • Control panel allows the user to decide how the information should be displayed.

  6. LifeLines - Advantages • Reduce the chances of missing information. • Facilitates the spotting of anomalies and trends. • Streamline the access to details (lifelines act as large menus). • Simple and tailorable to a large variety of applications.

  7. LifeLines - Problems • Too much space is left unused. Data-pixel ratio is too low. • Possible bias associated with color and thickness coding. • Need of a more integrated data entry process (i.e. Direct data entry into the interface).

  8. HCI Metrics • Very easy to learn. • Good first impression and easy to use. • User satisfaction was very high. • High retention over time. • Error-recovery is easy due to the fact that it is hard to make errors.

  9. Thank You

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