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Dynamic graphical user interface generation for web-based public display applications Jorge C. S. Cardoso [email protected] http://jorgecardoso.eu PECCS 2014 - Lisbon, Portugal

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Open public display networks ● Open display networks ○ "designed and implemented to be open to applications and content from many sources and thus provide the foundation for work on a new global communications medium for information access and interaction”

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Interaction toolkit for public displays ● Different displays may provide different interaction capabilities ● Developers need ○ Abstraction from interaction mechanisms ○ Various high-level controls

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PuReWidgets ● High-level abstractions ○ Widgets ● Independence from interaction mechanism ○ SMS ○ Email ○ Touch ○ Mobile interface ○ QR code

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Widgets

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Interaction Touch Text-based (SMS, email, …) QR codes Mobile interface (Automatically generated)

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Automatic GUI for mobile devices ● Discoverability ○ Of apps ○ Of apps’ features ● Interaction ● No extra effort for programmers of public display apps

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Dynamic GUI generation approaches ● Downloadable UI code ○ e.g., Jini Service UI ● Abstract UI description ○ XWeb (Olsen et al., 2000) ● Hybrid ○ Hodes & Katz, 1999 ○ iCrafter (Ponnekanti et al., 2001) Author unknown. Taken from http://www.flixya.com/photo/2162704/BasikalBicycle

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Dynamic GUI generation approaches Author unknown. Taken from http://www.flixya.com/photo/2162704/BasikalBicycle

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Dynamic GUI generation approaches Author unknown. Taken from http://www.flixya.com/photo/2162704/BasikalBicycle

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Dynamic GUI generation approaches Author unknown. Taken from http://www.flixya.com/photo/2162704/BasikalBicycle

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Dynamic GUI generation approaches Author unknown. Taken from http://www.flixya.com/photo/2162704/BasikalBicycle

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PuReWidgets Author unknown. Taken from http://www.flixya.com/photo/2162704/BasikalBicycle

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Architecture

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Widget structure Author unknown. Taken from http://www.flixya.com/photo/2162704/BasikalBicycle Interaction Manager Server

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Rendering Author unknown. Taken from http://www.flixya.com/photo/2162704/BasikalBicycle

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Author unknown. Taken from http://www.flixya.com/photo/2162704/BasikalBicycle Rendering

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Preliminary evaluation ● Real-world deployment

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Discussion ● Asynchronous interaction ● Rapidly changing widgets

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Conclusion ● We need better tools to create applications for open display networks ○ Interaction abstractions ● PuReWidgets is just one attempt/model

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Dynamic graphical user interface generation for web-based public display applications Jorge C. S. Cardoso [email protected] http://jorgecardoso.eu PECCS 2014 - Lisbon, Portugal Thank you!