Perci: Pervasive Service Interaction with the Internet of Things

Abstract

E d it o r s : Fr é d é r ic Th ie s s e • fr e der i c .t hie s se @uni sg.c h Fl o r i a n M ic h a h e ll e s • fmi c ha he l le s@et hz .c h The advancement of ubiquitous computing technologies, 1 such as wireless networks and mobile devices, has greatly increased the availability of digital information and services in our daily lives and changed how we access and use them. Another technology that extends digital resources to the real world is the Internet of Things, 2 which connects such resources with everyday objects by augmenting the latter with RFID or Near Field Communication (NFC) tags. 3 This way, real-world objects get digital identities and can then be integrated into a network and associated with digital information or services. These objects can facilitate access to digital resources and support interaction with them -for example, through mobile devices that feature technologies for discovering, capturing, and using information from tagged objects.Physical mobile interaction (PMI) 4,5 takes advantage of mobile devices that physically interact with tagged objects to facilitate interaction with associated information and services. Simply by touching or pointing at objects, users can interact with them -for example, touching NFC tags or taking pictures of visual markers with their mobile phones. Due to its increased simplicity and directness, physical interaction can make mobile interaction with "people, places, and things" 6 more convenient and intuitive. Tagged objects can serve as physical user interfacesThe advancement of ubiquitous computing technologies has greatly improved the availability of digital resources in the real world. Here, the authors investigate mobile interaction with tagged, everyday objects and associated information that's based on the Internet of Things and its technologies. Their framework for integrating Web services and mobile interaction with physical objects relies on information typing to increase interoperability. Two prototypes for mobile interaction with smart posters build upon this framework to realize multi-tag interaction with physical user interfaces. The authors' evaluation identifies usability issues regarding the design of physical mobile interactions, interfaces, and applications. An increasing number of applications are adopting mobile interaction with tagged objects for service discovery and invocation, information retrieval, ticketing, or mobile payment. Tagging technologies' advancement and increasing dissemination have facilitated a movement from the original, simple interactions with single tags to more complex multitag interaction (MTI) 7,8 with multiple tags and objects (Figure 1), shifting interaction's focus from mobile devices to tagged objects serving as physical user interfaces, respectively.To leverage mobile interaction with physical objects and digital resources from, for example, the Internet of Things, the Pervasive Service Interaction (Perci) project (see www.hcilab.org/ projects/perci) has examined different aspects of PMI. It ha...

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iCompose: context-aware physical user interface for application composition

“…In the ubiquitous computing domain, a physical browsing interface is usually based on a mobile device and allows resources in the environment to be chosen by means of scanning, pointing or touching [56,65]. For instance,the PERCI framework [8] integrates physical browsing interfaces with Web Services and addresses interoperability and multi-tag interaction issues. We do not target these issues in our work.…”

“…Physical Browsing. As defined by Broll et al [8], physical browsing 'takes advantage of mobile devices that physically interact with tagged objects to facilitate interaction with associated information and services. In general, physical browsing offers the three interaction techniques which are touching (using NFC technology), pointing (using recognition of visual markers) and scanning (using short range wireless technologies, e.g.…”