Reinventing the Share Button for Physical Spaces
DOI: 10.1109/PerComW.2013.6529505 Conference: IEEE International Conference on Pervasive Computing and Communication (PerCom 2013)
Imagine if your favorite social networking website provided a "Share to Screen" button that automatically dimmed the room lights and streamed your web-based photos and videos to a nearby television, projector or photo frame. Unfortunately, such fluid interactions between the Web and the physical environment remain challenging, since conventional Web browsers are still unable to directly interact with the broad range of context sources and physical actuators available in highly heterogeneous mobile environments. In our previous work, we presented our plug-and-play context framework, called Ambient Dynamix (Dynamix), which enables advanced context sensing and acting capabilities to be deployed on-demand to mobile devices as plug-ins; enabling entirely new interaction techniques for the Web. To illustrate some of these possibilities, we demonstrate a fully functional Web application that leverages Dynamix plug-ins to stream shared photos and videos from a popular online social network to nearby media rendering devices discovered in the user's physical environment. For a better viewing experience, the demo also adjusts the room's ambient light dimmers through ad-hoc discovery and control of home automation equipment. The demo highlights how Dynamix enables Web applications to discover rich, high-order contextual information, perform context-aware adaptations, and directly influence the physical environment - all from within unmodified mobile Web browsers, such as Google Chrome and Firefox.
- "In previous work, we demonstrated that complex resources, such as support libraries, native code, and protocol stacks, can be successfully bundled and deployed within Dynamix plugins . For the Ambient Flow prototype presented in this section, we created several Dynamix plug-ins that use these capabilities to support protocol translation (e.g., via runtimedeployed native protocol libraries) and dynamic integration via Ambient Control. "
Conference Paper: Ambient Flow: A Visual Approach for Remixing the Internet of Things[Show abstract] [Hide abstract]
ABSTRACT: The number of networked "smart devices" available in everyday environments is rapidly increasing; however, most adopt mutually incompatible networks, protocols, and application programming interfaces. In previous work, we introduced a variety of adaptive middleware techniques that enables a user's commodity mobile device (e.g., a smartphone) to serve as an adaptive gateway between mutually incompatible devices -- providing service adaptation and protocol translation services through plug-ins that can be installed on-the-fly. In this paper, we present a complementary set of novel smart space design tools, which enable non-programmers to visually "remix" their ambient environments in new, playful and potentially unforeseen ways using an intuitive flow-graph model. Visual designs can be sent over the network to the user's mobile device, which instantiates them during runtime. This paper presents a detailed overview of the approach, introduces our fully functional prototype, and presents a user study that provides encouraging first results.5th International Conference on the Internet of Things (IoT 2015), Seoul, S. Korea; 10/2015
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- "As Dynamix plug-ins are based on OSGi (the Open Services Gateway Initiative), they can bundle complex resources, such as support libraries, native code, and protocol stacks. We recently demonstrated that complex service protocol stacks could be successfully bundled and deployed within Dynamix plug-ins . For this work, we enhanced Dynamix with comprehensive inter-plug-in communication capabilities that Fig. 1. "
ABSTRACT: The number of networked smart devices available in everyday environments is rapidly increasing; however, many current devices adopt mutually incompatible networks, protocols, and application programming interfaces. As such, creating mobile applications that dynamically discover and integrate ambient functionality across multiple vertical markets remains challenging. In this paper, we introduce a novel middleware framework, called Ambient Control, which enables commodity mobile devices (e.g., smart-phones) to dynamically mediate control messaging between incompatible smart devices situated in the user's environment. Ambient Control enables a variety of control capabilities and protocol translation services to be dynamically installed into a user's mobile device on-demand using plug-ins. The approach also features an intuitive "Tap to Interact" workflow that allows a user to tap nearby smart devices with a smart-phone to install required interaction plug-ins and automatically "wire" them together in interesting and potentially unforeseen ways. In this paper, we present a detailed overview of the Ambient Control framework, introduce our fully functional prototype, and present an evaluation indicating that the prototype provides efficient messaging performance and imposes low processing and memory overhead, making it suitable for deployment on many commodity mobile devices.IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks, Boston, MA, USA; 07/2015
Conference Paper: An Ad-hoc Smart Gateway Platform for the Web of Things.[Show abstract] [Hide abstract]
ABSTRACT: The Web of Things (WoT) aims to extend the Web into the physical world by promoting the adoption of Web protocols by situated services and smart objects (ambient artifacts). However, real-world ambient artifacts often adopt proprietary and/or non-Web protocols, making them invisible to Web search engines and inaccessible to conventional Web agents. Smart Gateways have been proposed as a way to “Web-enable” proprietary ambient artifacts through intermediary proxy nodes; however, the requisite infrastructure is difficult to deploy at Web scale. To address such challenges, we are developing Ambient Dynamix (Dynamix): a plug-and-play context framework for mobile devices, which enables Web agents to interoperate with non-Web ambient artifacts – directly from the browser. In this paper, we describe how Dynamix can be used to transform the user’s device into an ad-hoc Smart Gateway in-situ, enabling Web applications (in the device’s browser) to seamlessly interact with non-Web ambient artifacts in the physical environment. We describe an operational prototype implementation, which enables Web apps to discover and control nearby UPnP and AirPlay media devices uniformly. We also present a performance evaluation that indicates the prototype imposes low processing and memory overhead, and is suitable for deployment on many commodity mobile devices.IEEE International Conference on Internet of Things (iThings 2013); 08/2013
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