A middleware toolkit for client-initiated service specialization

Eisenhauer, Greg; Bustamante, Fabián E.; Schwan, Karsten

doi:10.1145/377069.377073

Cited by 19 publications

(10 citation statements)

References 17 publications

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“…Active Names, on the other hand, allow clients to supply a chain of generic components through which the data from a service must pass [18]. Also, Active Streams support event-oriented inter-process communication, and allow application-supplied streamlets to be dynamically inserted into the data path [7].…”

Section: Related Workmentioning

confidence: 99%

Solar: An Open Platform for Context-Aware Mobile Applications

Chen¹,

Kotz

2005

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Emerging pervasive computing technologies transform the way we live and work by embedding computation in our surrounding environment. To avoid increasing complexity, and allow the user to concentrate on her tasks, applications in a pervasive computing environment must automatically adapt to their changing context, including the user state and the physical and computational environment in which they run. Solar is a middleware platform to help these "context-aware" applications aggregate desired context from heterogeneous sources and to locate environmental services depending on the current context. By moving most of the context computation into the infrastructure, Solar allows applications to run on thin mobile clients more effectively. By providing an open framework to enable dynamic injection of context processing modules, Solar shares these modules across many applications, reducing application development cost and network traffic. By distributing these modules across network nodes and reconfiguring the distribution at runtime, Solar achieves parallelism and online load balancing.

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Section: Related Workmentioning

confidence: 99%

Solar: An Open Platform for Context-Aware Mobile Applications

Chen¹,

Kotz

2005

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“…Active Names, on the other hand, allow clients to supply a chain of generic or custom components through which the data from a service must pass [35]. Also, Active Streams support event-oriented interprocess communication, and allow application-supplied streamlets to be dynamically inserted into the data path [14].…”

Section: Related Workmentioning

confidence: 99%

Context Aggregation and Dissemination in Ubiquitous Computing Systems

Chen¹,

Kotz²

2002

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Many "ubiquitous computing" applications need a constant flow of information about their environment to be able to adapt to their changing context. To support these "context-aware" applications we propose a graph-based abstraction for collecting, aggregating, and disseminating context information. The abstraction models context information as events, produced by sources and flowing through a directed acyclic graph of event-processing operators and delivered to subscribing applications. Applications describe their desired event stream as a tree of operators that aggregate low-level context information published by existing sources into the high-level context information needed by the application. The operator graph is thus the dynamic combination of all applications' subscription trees.In this paper, we motivate and describe our graph abstraction, and discuss a variety of critical design issues. We also sketch our Solar system, an implementation that represents one point in the design space for our graph abstraction.

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“…Other examples include high end business applications like the operational information systems presented in [3], [4] and real-time collaborations in which scientists jointly visualize simulation or sensor data to better understand or interpret certain phenomena [5], [6], [7], or in which engineers jointly design airplane wings or similar high performance parts [8]. These applications have in common the use of substantial computation in conjunction with large-data communications, in the presence of limited networking and/or CPU resources.…”

Section: Introductionmentioning

confidence: 99%

SOAP-binQ: high-performance SOAP with continuous quality management

Seshasayee

Schwan

Widener

2004

24th International Conference on Distributed Computing Systems, 2004. Proceedings.

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Abstract-There is substantial interest in using SOAP (Simple Object Access Protocol) in distributed applications' inter-process communications due to its promise of universal interoperability. The utility of SOAP is limited, however, by its inefficient implementation, which represents all invocation parameters in XML, for instance. This paper aims to make SOAP useful for high end or resource-constrained applications

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A middleware toolkit for client-initiated service specialization

Abstract: Abstract

Cited by 19 publications

References 17 publications

Solar: An Open Platform for Context-Aware Mobile Applications

Solar: An Open Platform for Context-Aware Mobile Applications

Context Aggregation and Dissemination in Ubiquitous Computing Systems

SOAP-binQ: high-performance SOAP with continuous quality management

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