Situated information spaces and spatially aware palmtop computers
Communications of the ACM - Special issue on computer augmented environments: back to the real world
Pick-and-drop: a direct manipulation technique for multiple computer environments
Proceedings of the 10th annual ACM symposium on User interface software and technology
Qualitative representation of positional information
Artificial Intelligence
Cyberguide: a mobile context-aware tour guide
Wireless Networks - Special issue: mobile computing and networking: selected papers from MobiCom '96
The anatomy of a context-aware application
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
Developing a context-aware electronic tourist guide: some issues and experiences
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
GeneyTM: designing a collaborative activity for the palmTM handheld computer
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Folk computing: revisiting oral tradition as a scaffold for co-present communities
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The cricket compass for context-aware mobile applications
Proceedings of the 7th annual international conference on Mobile computing and networking
Dynamic fine-grained localization in Ad-Hoc networks of sensors
Proceedings of the 7th annual international conference on Mobile computing and networking
A Descriptive Framework of Workspace Awareness for Real-Time Groupware
Computer Supported Cooperative Work
TRIP: A Low-Cost Vision-Based Location System for Ubiquitous Computing
Personal and Ubiquitous Computing
Designing for serendipity: supporting end-user configuration of ubiquitous computing environments
DIS '02 Proceedings of the 4th conference on Designing interactive systems: processes, practices, methods, and techniques
Synchronous gestures for multiple persons and computers
Proceedings of the 16th annual ACM symposium on User interface software and technology
Topiary: a tool for prototyping location-enhanced applications
Proceedings of the 17th annual ACM symposium on User interface software and technology
A relative positioning system for co-located mobile devices
Proceedings of the 3rd international conference on Mobile systems, applications, and services
Toward a model of service interaction enabler in mobile environment
Proceedings of the 2008 international workshop on Context enabled source and service selection, integration and adaptation: organized with the 17th International World Wide Web Conference (WWW 2008)
Rule-based reasoning about qualitative spatiotemporal relations
Proceedings of the 5th international workshop on Middleware for pervasive and ad-hoc computing: held at the ACM/IFIP/USENIX 8th International Middleware Conference
Usage of spatial information for selection of co-located devices
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
Proximity classification for mobile devices using wi-fi environment similarity
Proceedings of the first ACM international workshop on Mobile entity localization and tracking in GPS-less environments
Spontaneous mobile device authentication based on sensor data
Information Security Tech. Report
Proceedings of the 10th workshop on Mobile Computing Systems and Applications
Supporting device discovery and spontaneous interaction with spatial references
Personal and Ubiquitous Computing
Ambient Compass: One Approach to Model Spatial Relations
ICDHM '09 Proceedings of the 2nd International Conference on Digital Human Modeling: Held as Part of HCI International 2009
Multi-display Composition: Supporting Display Sharing for Collocated Mobile Devices
INTERACT '09 Proceedings of the 12th IFIP TC 13 International Conference on Human-Computer Interaction: Part I
International Journal of Human-Computer Studies
The proximity toolkit and ViconFace: the video
CHI '10 Extended Abstracts on Human Factors in Computing Systems
Meta-user interfaces for ambient spaces
TAMODIA'06 Proceedings of the 5th international conference on Task models and diagrams for users interface design
Learning topologies of situated public displays by observing implicit user interactions
UAHCI'07 Proceedings of the 4th international conference on Universal access in human-computer interaction: ambient interaction
UbiComp '07 Proceedings of the 9th international conference on Ubiquitous computing
A framework for utilizing qualitative spatial relations between networked embedded systems
Pervasive and Mobile Computing
Shared-screen social gaming with portable devices
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
Using a spatial context authentication proxy for establishing secure wireless connections
Journal of Mobile Multimedia
Enhancing mobile interaction using WLAN proximity
UAHCI'11 Proceedings of the 6th international conference on Universal access in human-computer interaction: context diversity - Volume Part III
The proximity toolkit: prototyping proxemic interactions in ubiquitous computing ecologies
Proceedings of the 24th annual ACM symposium on User interface software and technology
Determining the orientation of proximate mobile devices using their back facing camera
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
DisplayStacks: interaction techniques for stacks of flexible thin-film displays
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
SwordFight: enabling a new class of phone-to-phone action games on commodity phones
Proceedings of the 10th international conference on Mobile systems, applications, and services
RealSense: directional interaction for proximate mobile sharing using built-in orientation sensors
Proceedings of the 21st ACM international conference on Multimedia
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Location information can be used to enhance interaction with mobile devices. While many location systems require instrumentation of the environment, we present a system that allows devices to measure their spatial relations in a true peer-to-peer fashion. The system is based on custom sensor hardware implemented as USB dongle, and computes spatial relations in real-time. In extension of this system we propose a set of spatialized widgets for incorporation of spatial relations in the user interface. The use of these widgets is illustrated in a number of applications, showing how spatial relations can be employed to support and streamline interaction with mobile devices.