Collaborative visualization: definition, challenges, and research agenda
Information Visualization - Special issue on State of the Field and New Research Directions
ConstraintJS: programming interactive behaviors for the web by integrating constraints and states
Proceedings of the 25th annual ACM symposium on User interface software and technology
Towards RVL: a declarative language for visualizing RDFS/OWL data
Proceedings of the 3rd International Conference on Web Intelligence, Mining and Semantics
imMens: real-time visual querying of big data
EuroVis '13 Proceedings of the 15th Eurographics Conference on Visualization
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We investigate the design of declarative, domain-specific languages for constructing interactive visualizations. By separatingspecification from execution, declarative languages can simplify development, enable unobtrusive optimization, and supportretargeting across platforms. We describe the design of the Protovis specification language and its implementation within anobject-oriented, statically-typed programming language (Java). We demonstrate how to support rich visualizations without requiring atoolkit-specific data model and extend Protovis to enable declarative specification of animated transitions. To support cross-platformdeployment, we introduce rendering and event-handling infrastructures decoupled from the runtime platform, letting designers retargetvisualization specifications (e.g., from desktop to mobile phone) with reduced effort. We also explore optimizations such as runtimecompilation of visualization specifications, parallelized execution, and hardware-accelerated rendering. We present benchmark studiesmeasuring the performance gains provided by these optimizations and compare performance to existing Java-based visualizationtools, demonstrating scalability improvements exceeding an order of magnitude.