For 2026, topics of the main track include, but are not limited to:

    applications of diagrams,
    computational models of reasoning with, and interpretation of, diagrams,
    design of diagrammatic notations,
    diagram understanding by humans or machines,
    diagram aesthetics and layout,
    evaluation of diagrammatic notations,
    graphical communication and literacy,
    heterogeneous notations involving diagrams,
    history of diagrams,
    information visualization using diagrams,
    nature of diagrams and diagramming,
    novel technologies for diagram use,
    reasoning with diagrams,
    semiotics of diagrams,
    diagrams in multimodal communication,
    software to support the use of diagrams, and
    usability and human-computer interaction issues concerning diagrams.