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- W2912263983 abstract "Problems such as timetabling or personnel allocation can be modeled and solved using discrete constraint programming languages. However, while existing constraint solving software solves such problems quickly in many cases, these systems involve specialized languages that require significant time and effort to learn and apply. These languages are typically text-based and often difficult to interpret and understand quickly, especially for people without engineering or mathematics backgrounds. Visualization could provide an alternative way to model and understand such problems. Although many visual programming languages exist for procedural languages, visual encoding of problem specifications has not received much attention. Future problem visualization languages could represent problem elements and their constraints unambiguously, but without unnecessary cognitive burdens for those needing to translate their problem's mental representation into diagrams. As a first step towards such languages, we executed a study that catalogs how people represent constraint problems graphically. We studied three groups with different expertise: non-computer scientists, computer scientists and constraint programmers and analyzed their marks on paper (e.g., arrows), gestures (e.g., pointing) and the mappings to problem concepts (e.g., containers, sets). We provide foundations to guide future tool designs allowing people to effectively grasp, model and solve problems through visual representations." @default.
- W2912263983 created "2019-02-21" @default.
- W2912263983 creator A5037027920 @default.
- W2912263983 creator A5067041446 @default.
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- W2912263983 date "2020-08-01" @default.
- W2912263983 modified "2023-10-14" @default.
- W2912263983 title "How People Visually Represent Discrete Constraint Problems" @default.
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- W2912263983 doi "https://doi.org/10.1109/tvcg.2019.2895085" @default.
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