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IEE International workshop on Intelligent Environments

作者： Drossos, N. Goumopoulos, C. Kameas, A. Computer Technology Institute Hellas Hellenic Open University Hellas

Given the resulting complexity of the ambient applications that one can form in the ubiquitous or Pervasive computing domain it is required to abstract the intrinsic characteristics of specific communication models away from the application logic. These applications will be characterized by the increasing ubiquity of interactions between many possibly heterogeneous artifacts and services. This paper presents the Plug/Synapse abstraction, which provides a conceptual model for building ubiquitous computing applications in a high-level programming manner. GAS-OS is the software layer that implements the Plug/Synapse model and the concepts encapsulated in GAS, a generic architectural style, which can be used to describe everyday environments populated with computational artifacts. The paper focuses on the design and architecture of GAS-OS, which is the minimum set of modules and functionalities that every device must have, in order to be a ubiquitous computing artifact and participate in artifact collections.

关键词： Computational complexity

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A model based architecture for the semi-automatic generation of multiplatform applications: Brake system diagnostic application

A model based architecture for the semi-automatic generation...

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1st Iberoamerican Congress on ubiquitous computing, CICU 2005

作者： Jurado, Francisco Santofimia, María José Redondo, Miguel A. Grupo de Investigación CHICO Escuela Superior de Informática Universidad de Castilla - La Mancha Paseo de la Universidad 4 13071 Ciudad Real Spain

The diagnostics of electro-pneumatic brake system for industrial vehicles is a process dependent on the system manufacturer. With regard to this, the tools developed by manufactures are usually aimed to steady platforms devoid of standards. In order to lighten this drawback, we propose the design of model based tools for the semi-automatic generation of multiplatform applications, from domain, task, and platform (PC, Tablet PC, PDA, "proprietary devices", etc.) models. This paper describes the architectural approach for the diagnostic application generator tool. This paper also points out some of the problems that need to be solved, and lines of work are proposed on this regard.

关键词： Personal computers

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ubiquitous 3D for the network-centric battlefield - Smaller is better

Ubiquitous 3D for the network-centric battlefield - Smaller ...

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2005 Spring Simulation Interoperability workshop, SIW 2005

作者： Snyder, Mark Quantum3D Inc 7055 W. Bell Rd Ste 6 GlendaleAZ85308 United States

This paper discusses advancements in computer graphics technology for mobile systems and its potential impact on the battlefield of tomorrow. The advent of graphics technology targeted for mobile gaming systems combined with emerging standards like OpenGL-ES will result in the availability of very low power and low cost systems capable of delivering advanced 2D and 3D graphics anywhere. 2D and 3D moving maps, self-contained training and mission planning, and sensor fusion capabilities are just some of the areas where advanced graphics capabilities will aid the soldier of tomorrow. Graphical computing systems integrated into a soldier's gear, from his helmet to his weapon to his clothing, are now becoming possible. This paper addresses several topic areas relative to ubiquitous 3D. How can the network-centric battlefield benefit from this forthcoming revolution in graphics? What kind of capabilities can we envision equipping the soldier of tomorrow with? What hardware and software tools can be used to develop graphics for these systems. © 2005 The MITRE Corporation. All rights reserved.

关键词： application programming interfaces (API)

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CAMUS: a middleware supporting context-aware services for network-based robots

CAMUS: a middleware supporting context-aware services for ne...

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IEEE workshop on Advanced Robotics and its Social Impacts, ARSO

作者： Hyun Kim Young-Jo Cho Sang-Rok Oh Intelligent Robot Research Division Electronics and Telecommunications Research Institute Daejeon South Korea IT Policy Advisory Group Korea Ministry of Information and Communication Seoul South Korea

A URC (ubiquitous robotic companion) is a concept for a network-based service robot. It allows the service robot to extend its functions and services by utilizing external sensor networks and remote computing servers. It also provides the robot's services at any time and any place. The URC requires not only the hardware infrastructure such as ubiquitous networks or sensor networks and high-performance computing servers but also the software infrastructure which resides above the hardware infrastructure. In this paper, authors introduce the CAMUS (context-aware middleware for URC system) as a part of the software infrastructure, which is a system middleware to support context-aware services for network-based robots. The CAMUS is based on the CORBA technology. It provides the common data model for different types of context information from external sensors, applications and users in the environment. It also offers the software framework to acquire, interpret and disseminate context information. PLUE (programming Language for ubiquitous Environment) is proposed to describe context-aware services for robots.

关键词： Middleware Context-aware services Robot sensing systems Service robots Computer networks Pervasive computing Network servers Hardware Data models application software

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The BEACH application model and software framework for synchronous collaboration in ubiquitous computing environments

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JOURNAL OF SYSTEMS AND SOFTWARE 2004年第3期69卷 267-296页

作者： Tandler, P FhG Fraunhofer Gesellschaft EV IPSI AMBIENTE D-64293 Darmstadt Germany

In this paper, a conceptual model for synchronous applications in ubiquitous computing environments is proposed. To test its applicability, it was used to structure the architecture of the BEACH software framework that is the basis for the software infrastructure of i-LAND (the ubiquitous computing environment at FhG-IPSI). The BEACH framework provides the functionality for synchronous cooperation and interaction with roomware components, i.e. room elements with integrated information technology. To show how the BEACH model and framework can be applied, the design of a sample application is explained. Also, the BEACH model is positioned against related work. In conclusion, we provide our experiences with the current implementation. (C) 2003 Elsevier Inc. All rights reserved.

关键词： synchronous collaboration heterogeneous devices software architecture conceptual model BEACH application model and framework i-LAND roomware components

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Extending tuplespaces for coordination in interactive workspaces

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JOURNAL OF SYSTEMS AND SOFTWARE 2004年第3期69卷 243-266页

作者： Johanson, B Fox, A Stanford Univ Stanford CA 94305 USA

The current interest in programming models and software infrastructures to support ubiquitous and environmental computing is heightened by the falling cost of hardware and the ubiquity of local-area wireless networking technologies. Interactive workspaces are technologically augmented team-project rooms that represent a specific sub-domain of ubiquitous computing. We argue both from related work and from our own experience with a prototype that the tuplespace model of communication forms the best basis for a coordination infrastructure for such workspaces. This paper presents the usage and characteristics expected of interactive workspaces, from which we derive a set of key system properties for any coordination infrastructure in an interactive workspace. We show that the design aspects of tuplespaces, augmented with some new extensions, yield a system model, which we call the Event Heap, that satisfies all of the desired properties. We also briefly discuss why other coordination models fall short of the desired properties, and describe our experience using our implementation of the Event Heap model. The paper focuses on a justification of the use of tuplespaces in interactive workspaces, and does not provide a detailed discussion of the Event Heap implementation or our more general experience with interactive workspaces, each of which is treated in detail elsewhere. (C) 2003 Elsevier Inc. All rights reserved.

关键词： Linda INFRASTRUCTURE ubiquitous computing Interactive experience Systems modelling heap Reasoning Coordination models

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The BEACH application model and software framework for synchronous collaboration in ubiquitous computing environments

The BEACH application model and software framework for synch...

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workshop on application models and programming tools for ubiquitous computing

作者： Tandler, P FhG Fraunhofer Gesellschaft EV IPSI AMBIENTE D-64293 Darmstadt Germany

关键词： synchronous collaboration heterogeneous devices software architecture conceptual model BEACH application model and framework i-LAND roomware components

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Tooling and system support for authoring multi-device applications

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JOURNAL OF SYSTEMS AND SOFTWARE 2004年第3期69卷 227-242页

作者： Banavar, G Bergman, LD Gaeremynck, Y Soroker, D Sussman, J IBM Corp TJ Watson Res Ctr Hawthorne NY 10532 USA

This paper presents a development model, tooling environment, and system support for building and deploying applications targeted to run on multiple heterogeneous end-user devices. Our approach is based on a device-independent application model and consists of three elements: (1) an automated process of specialization, by which device-specific versions of the application are generated, (2) support for hand-customization of generated applications, a process we call tweaking, both within our workbench and using external editors, and (3) a designer-in-the-loop process of generalization, by which a generic model is inferred from concrete interface artifacts such as HTML pages. We argue that this approach is cost-effective and results in usable applications that run on a variety of devices. (C) 2003 Elsevier Inc. All rights reserved.

关键词： model-based user interface design multi-device applications pervasive application design single-authoring device-independence

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Parallel program graphical design with program execution control based on global application states

Parallel program graphical design with program execution con...

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3rd International Symposium on Parallel and Distributed computing (ISPDC 2004)/3rd International workshop on Algorithms, models and tools for Parallel computing on Heterogeneous Networks (HeteroPar 04)

作者： Tudruj, M Borkowski, J Kopanski, D Polish Japanese Inst Informat Technol PL-02008 Warsaw Poland

ISBN: (纸本)0769522106

A methodology for parallel programming in new graphical program design system (GRADE-S) based on global application state monitoring is presented. A proposal is given on how to prepare a parallel application for execution in new GRADE. A notation for skeleton versions of GRADE programs is explained. Then, an example of the Travelling Salesman Problem (TSP) parallel program is given. GUI in the new GRADE corresponding to the TSP program in the new GRADE is shown with the shots of corresponding windows.

关键词： distributed computing consistent global states graphical parallel program design

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A peer to peer computing framework: Design and performance evaluation of YML

A peer to peer computing framework: Design and performance e...

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作者： Delannoy, O Petiton, S Univ Versailles St Quentin PRiSM Versailles France

ISBN: (纸本)0769522106

Peer to peer and grid systems provide attractive middlewares to solve large numerical problems. The development, deployment and execution of applications using those middlewares suffer from the lack of well-adapted advanced tools. There is not any available solution to use the same application on two distinct middlewares. Our article presents the YML Framework which provides supporting tools to design and execute portable parallel applications over large scale peel, to peer and grid middlewares. The YML Framework defines a new parallel programming language called YvetteML which is composed of a graph language and a component model. We evaluate the performance of our framework with a simple numerical application using XtremWeb as a middleware.

关键词： parallel and distributed computing peer to peer matrix computation

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