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  • Implement Greedy Switch Heuristic for Crossing Minimization
    The order of nodes in a layer determines the number of crossings and is computed during the crossing minimization step. The results can usually be further improved by switching the order of nodes around, which we currently lack proper algorithms for. 
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  • Layering Algorithms
    Implement an alternative algorithm for the layer assignment problem used in the layer-based approach to graph layout.
  • Integrate KIML with JGraph
    Provide automatic layout through KIML for the JGraph diagram library and develop a simple JGraph-based graph editor to test the integration with.
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    serverId2851bd34-0bf1-3f02-ab12-7d77ccab0fae
    keyKIPRA-1214
  • Improved Edge Label Placement
    Our layout algorithm already supports the placement of edge labels. However, there's still room for improvement...

Modeling Pragmatics

  • Comment Attachment
    When computing a new layout for a diagram that contains comments (comparable to comments in source code), the comments often get placed far away of the nodes they refer to. This is because often the reference is not explicitly encoded in the original model. We have used a distance-based metric in the past to discover references automatically, but there are lots of ideas for improvement. This bachelor thesis would implement them, perhaps come up with additional ideas, and finally evaluate them in a thorough experiment.
  • Control Flow Graph Exploration / Visualization
    Use pragmatics concepts (automatic layout, focus & context) for exploring/visualizing control flow graphs and specific paths, eg. as computed by OTAWA WCET analysis tool, eg. using Klighd.
  • OMG DD Format
    Explore the mapping of KGraph / KRendering to the Diagram Definition format of the OMG.

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