Context awareness

About: Context awareness is a research topic. Over the lifetime, 5790 publications have been published within this topic receiving 119944 citations.

Smartphone Computing in the Classroom

Abstract: Smartphone computing platforms are increasingly used for instruction because such devices are becoming as common as traditional desktop computers and they can excite students about computing and networking. This column describes a network application design course at Virginia Tech that uses smartphones as computing platforms. It seeks to provide in-depth descriptions of important and innovative work in education and training in pervasive computing. I welcome your suggestions and comments for future columns.

Integrated support for handoff management and context awareness in heterogeneous wireless networks

Abstract: The overwhelming success of mobile devices and wireless communications is stressing the need for the development of mobility-aware services Device mobility requires services adapting their behavior to sudden context changes and being aware of handoffs, which introduce unpredictable delays and intermittent discontinuities Heterogeneity of wireless technologies (Wi-Fi, Bluetooth, 3G) complicates the situation, since a different treatment of context-awareness and handoffs is required for each solution This paper presents a middleware architecture designed to ease mobility-aware service development The architecture hides technology-specific mechanisms and offers a set of facilities for context awareness and handoff management The architecture prototype works with Bluetooth and Wi-Fi, which today represent two of the most widespread wireless technologies In addition, the paper discusses motivations and design details in the challenging context of mobile multimedia streaming applications

Exploiting Context-Awareness for the Autonomic Management of Mobile Ad Hoc Networks

Abstract: Mobile Ad Hoc Networks (MANETs) are characterized by a degree of dynamicity that can result in significant drawbacks regarding their useful deployment. The fact they are formed spontaneously, comprising possibly heterogeneous devices, hinders further their wide adoption. In this paper we present the design and implementation of a system that exploits context-awareness and couples it with policy-based management in order to enable the self-management of MANETs. The key idea is to support self-configuration by being adaptive to varying conditions modeled as context, with high-level management policies driving self-configuration towards particular goals. We propose the management of the MANET in a hierarchical but also distributed manner through a dynamically constructed set of manager nodes. We present and evaluate our work on context-awareness and context dissemination in MANETs through simulation and also by deploying the prototype system in our experimental MANET testbed for a proof-of-concept application scenario.

Design of context-aware systems for vehicle using complex systems paradigms

Abstract: This paper argues that the driving task exhibits the properties of complex systems. Driving behavior emerges from the intricate and complex interactions between the driver, the vehicle and the environment. An emerging driving behavior could not necessary be linearly predicted. However a context-aware system could assist the driver in augmenting the probability of undertaking safe behavior. Unlike existing context aware systems which isolate one characteristic such as road or driver workload and concentrate on it in exclusion of the others factors, this seminal research proposes a context awareness design which considers the driver, vehicle and environment as a whole. We focus on the principles that underlie the system in order to model it with the view of understanding, predicting and improving driver behavior. This approach places context-aware design within a wider framework that takes into account information related to the driver, environment and vehicle. It recommends approaches for building safety critical context-aware systems. Such an approach aids in the design of safe in-vehicle context-aware systems.