R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A System Architecture for Pervasive Computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177--182, 2000.  Home/Search   Document Details and Download   Summary   Related Articles   Check

.... properties about a person and classify that person in according the containment relationship of the Place ontology 6 Related Work Our work is closely related to other pervasive and context aware computing research such as Intelligent Room [7] Context Toolkit [19] and Cooltown [15] One.World [10] and Centaurus [14] In comparison to the previous systems, our novel design of the context broker attempts to address challenging issues such as developing explicit ontology representations of contexts, supporting context reasoning and maintenance through logic inferences and providing user ....

R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A system architecture for pervasive computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177--182, 2000.

....a full inference of the OWL language in F OWL by late June 2003. 7 Related Work Our work is closely related to other pervasive and contextaware computing research such as Intelligent Room [Coen, 1998] Context Toolkit [Salber et al. 1999] and Cooltown [Kindberg and Barton, 2001] One.World [Grimm et al. 2000] and Centaurus [Kagal et al. 2001] In comparison to http: umbc.edu hchen4 fowl the previous systems, our novel design of the context broker attempts to address challenging issues such as developing explicit ontology representations of contexts, supporting context reasoning and maintenance ....

Robert Grimm, Tom Anderson, Brian Bershad, and David Wetherall. A system architecture for pervasive computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177--182, 2000.

....our prototype environment, for example, placing readers next to the meeting room s door and underneath the tables in the meeting room. 7. RELATED WORK Our work is closely related to other pervasive and contextaware computing research such as Intelligent Room, Context Toolkit, Cooltown, One.World [8] and Centaurus [11] In comparison to the previous systems, our design of the Context Broker Architecture takes a knowledge representation approach to build ontologies of contexts and attempts to use Semantic Web language (i.e. OWL) as the content language in agent communication. An explicit ....

R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A system architecture for pervasive computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177--182, 2000.

....systems with context awareness and natural interfaces, such as speech and gesture [1] My research falls within a relatively less explored area: architectural frameworks and software infrastructures (also known as middleware) for Ubiquitous Computing. Some early work has been done in this area [21,33,41], although software infrastructures often appear as incidental to the development of a particular system [13,27,43] The main focus of this early work has been on the role of software infrastructures in making it easier to develop new applications for Ubiquitous Computing environments. That is ....

....meet the highly dynamic requirements of user tasks, or to accommodate the heterogeneity of environments. Most infrastructures being explored today pose constraints on the uniformity of environments. Those constraints limit the scaling of everyday computing to islands where the constraints hold [13,21,27,33,41,43]. A high degree of homogeny is assumed at least at one level, among applications, virtual machines, operating systems or devices. Unfortunately, such constraints can only be enforced within the same organization: a research lab, a corporation, a hospital, etc. The architectural framework I ....

R. Grimm, T. Anderson, B. Bershad, D. Wetherall. A system architecture for pervasive computing. Proceedings of the 9th ACM SIGOPS European Workshop, pp 177-182, Kolding, Denmark, September 2000.

....being modified along the way. Recently, many large scale projects have begun to build very large, Internet scale distributed systems. These projects aim to provide world wide access to distributed file systems [13] media delivery [22] and so called ubiquitous [17] invisible [11] or pervasive [20] computing environments. In addition to these research systems, industrial projects such as Microsoft s .net [6] framework attempt to allow the provision of distributed services across heterogeneous devices at the Internet scale. With these ambitious projects, the mechanisms of information ....

Robert Grimm, Tom Anderson, Brian Bershad, and David Wetherall. A system architecture for pervasive computing. In Proceedings of the 9th ACM SIGOPS European Workshop, September 2000.

....to filter the user s data and proactively make resources and tasks available to the users. Gaia s framework also provides the infrastructure that allows mobile users and mobile services to communicate and mobile users and services as well as service transformation for adaptivity. one.world [7] is an architecture for building pervasive applications. It supports distributed, mobile data and control flow and distributed computation. Mobile data flow is accomplished using tuple spaces. Computations (tasks) and control flow are coupled together in environments. Environments serve as data ....

R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A system architecture for pervasive computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177-- 182, Sep 2000.

....in terms of reducing wireless bandwidth consumption and saving battery energy of mobile devices. Keywords: pervasive computing, mobile computing, network awareness, sensor networks, adaptive applications 1. Introduction 1.1. Pervasive computing and network awareness Pervasive computing [5,12] is the computing paradigm that enables network devices to be aware of their surroundings and peers, and to be capable of effectively providing services to, and using services from, peers. Advances in data networking and wireless communications, digital system miniaturization, and novel ....

R. Grimm, T. Anderson, B. Bershad and D. Wetherall, A system architecture for pervasive computing, in: Proc. 9th ACM SIGOPS European Workshop, Kolding, Denmark (September 2000) pp. 177--182.

....layers that allow distributed resources and services to be pooled and managed as though they were locally available. Advances in communication technologies and the proliferation of computing devices have made this possible; two such types of infrastructures are pervasive computing environments [11, 15] and computational grids [39, 16, 13] An important component of both types of infrastructures is a directory service that provides information about different objects in the environment, such 0 7695 1524 X 02 17.00 (c) 2002 IEEE as resources and people, to applications and their users. ....

R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A system architecture for pervasive computing. In Proc. of the 9th ACM SIGOPS European Workshop, pages 177--182, Kolding, Denmark, September 2000.

....ad hoc systems of the future are not well served by such simplifying assumptions. In the research community, there are efforts to increase system dependability by building operating systems and architectures for distributed and or ubiquitous computing (e.g. EROS [15] Xenoservers [12] one.world [4], JX [3] This work is valuable, but we see it as largely orthogonal to our work: no matter how reliable or flexible individual components are, there will always be a need for a distributed monitoring and management function. To summarize: reliability management based on assumptions of total ....

R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A System Architecture for Pervasive Computing. In Proceedings of the 9th ACM SIGOPS European Workshop, Kolding, Denmark, pages 177--182, September 2000.

....for these situations, but it may also transpire that different protocols are needed for the constructed environment. 3) Software Architecture and Environments Clearly the constraints of the object node environment present new challenges to software development. The one.world architecture [Grimm 2000], Grimm 2001] is one promising proposal that attempts to address these challenges: it addresses the mobility of very small devices such as small handheld devices. The world of smart objects is a step beyond this, and presents with a much larger population of objects with a wider spectrum of ....

Robert Grimm, Tom Anderson, Brian Bershad & David Wetherall "A System Architecture for Pervasive Computing" Proceedings of the 9th ACM SIGOPS European Workshop, pages 177-182, Kolding, Denmark, September 2000.

....a useful integration between distributed systems and the physical world. Network topologies, especially as exposed by existing protocols, provide an entirely unrepresentative view of resource location. A strongly desired property of advanced distributed systems for ubiquitous [14] and pervasive [12] computing is to allow mobile users to adapt to locally available resources. For instance, it is desirable to easily locate and access a hotel printer. Although much work has emerged in recent years addressing the naming and discovery of resources in a physical dimension [17, 13] the problem has ....

....administration, and communication infrastructure. We then presented a set of six adoptional problems whose solutions will strongly support the acceptance of large distributed applications within the network. Projects to develop environments for ubiquitous [14] invisible [10] and pervasive [12] distributed applications have, and continue to be, very exciting research that will need to address many of these issues in order to realize their visions. ....

R. Grimm et al. A system architecture for pervasive computing. In ACM SIGOPS European Workshop, September 2000.

....that continue to provide useful services, even if devices are roaming across the infrastructure and if the network provides only limited services, or none at all. As part of our research into pervasive computing, we are building one.world , a system architecture for pervasive computing [14]. Based on our experiences with this architecture, we believe that existing distributed computing technologies are ill suited to meet this challenge. This is not to say that discovery services [1, 2, 8] or application aware adaptation [19] are not useful in a pervasive computing environment. On ....

R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A system architecture for pervasive computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177-- 182, Kolding, Denmark, Sept. 2000.

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R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A System Architecture for Pervasive Computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177--182, 2000.

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R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A system architecture for pervasive computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177--182, Kolding, Denmark, 2000.

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R. Grimm, T. Anderson, B. Bershad, and D. Wetherall, "A system architecture for pervasive computing," in Proceedings of the 9th workshop on ACM SIGOPS European workshop. ACM Press, 2000, pp. 177--182.

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R. Grimm, T. Anderson, B. Bershad and D. Wetherall. "A System Architecture for Pervasive Computing ". In proceedings of the 9th ACM SIGOPS European Workshop, page 177-182, Sept 2000.

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R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A system architecture for pervasive computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177-- 182, 2000.

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R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A System Architecture for Pervasive Computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177--182, 2000.

No context found.

R. Grimm, T. Anderson, B. Bershad, D. Wetherall. A system architecture for pervasive computing. Proceedings of the 9th ACM SIGOPS European Workshop, pp 177-182, Kolding, Denmark, September 2000.

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R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A system architecture for pervasive computing. In Proceedings of the 9th ACM SIGOPS European Workshop, Sept. 2000.

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R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A system architecture for pervasive computing. In 9th workshop on ACM SIGOPS European workshop, pages 177--182. ACM Press, 2000.

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R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A System Architecture for Pervasive Computing. In Proc. of the Ninth ACM SIGOPS European Workshop, pages 177-- 182, Kolding, Denmark, Sept. 2000.

No context found.

R. Grimm, T. Anderson, B. Bershad and D. Wetherall. "A System Architecture for Pervasive Computing ". In proceedings of the 9th ACM SIGOPS European Workshop, page 177-182, Sept 2000.

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Grimm, R. and Anderson, T. and Bershad, B. and Wetherall, D., "A System Architecture for Pervasive Computing," Proceedings of the 9th ACM SIGOPS European Workshop, pages 177-182, Kolding, Denmark, September 2000.

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R. Grimm, T. Anderson, B. Bershad, and D. Wetherall. A System Architecture for Pervasive Computing. In Proceedings of the 9th ACM SIGOPS European Workshop, pages 177--182, 2000.

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