The authors discuss multimedia data communications using the Internet from the standpoint of providing services, and propose a cost model based on multilevel complex objects for the purpose of responding to the variou...
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The authors discuss multimedia data communications using the Internet from the standpoint of providing services, and propose a cost model based on multilevel complex objects for the purpose of responding to the various needs of users. The proposed cost model creates multiple levels of the service which provide each element of the complex object, and then introduces the concept of `service ranges' that can dynamically vary the service which can be received within the scope of the price paid. Conventional multimedia data can only provide one service. However, the authors' service can be selected dynamically from within a range based on the price paid by the user. In order to evaluate these methods, the authors created a framework which can be applied to 3DCG content using VRML by using Java and OODBMS. In addition, rights such as copyrights that are frequently a part of 3DCG content must be protected. The proposed multilevel complex object can confirm a user's rights by using a built-in user authentication function. Thus, copyright management features that provide services within a service range available to valid users and block out illegal users can be realized.
As software systems evolve over a series of releases, it becomes important to know which components are stable compared to components that show repeated need for corrective maintenance. To track these across multiple ...
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CORBA, the Common Object Request Broker Architecture, defines a framework for developing object-oriented distributed applications. Unfortunately, current implementations of CORBA have not been designed with support fo...
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This paper describes an architecture that provides support for quality of service (QoS) in open systems. The Quartz QoS architecture aims to avoid the dependency on specific platforms that limits the application of mo...
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A solution method for solving Markov chains for a class of stochastic process algebra terms is presented. The solution technique is based on a reformulation of the underlying continuous-time Markov chain (CTMC) in ter...
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The foundation of a process model lies in its control flow specifications. Using a generic process modeling language for workflows, we show how a control flow specification may contain certain structural conflicts tha...
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In this paper we present efficient techniques for the generation of very large continuous-time Markov chains (CTMCs) specified as stochastic Petri nets (SPNs). In particular, we investigate how the storage efficiency ...
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In this paper, a framework to integrate negotiation capabilities - particularly components implementing a negotiation strategy - into mobile agents is introduced. The framework is based on a plug-in mechanism enabling...
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ISBN:
(纸本)0769503403
In this paper, a framework to integrate negotiation capabilities - particularly components implementing a negotiation strategy - into mobile agents is introduced. The framework is based on a plug-in mechanism enabling a dynamic composition of negotiating agents out of pluggable modules. Strategy modules are further decomposed into parallel execution units based on the notion of an actor system.
The provision of interactive multimedia services, such as video-on-demand, teleshoping and distance learning, to a large number of users, still remains a challenging issue in the multimedia area. Despite of recent tec...
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Empirical studies can play a multitude of roles in what is loosely called process improvement. In this paper we examine what is meant in the software industry by process improvement and how we can and should be able t...
Empirical studies can play a multitude of roles in what is loosely called process improvement. In this paper we examine what is meant in the software industry by process improvement and how we can and should be able to use empirical studies to improve software processes. This paper evolved from discussions at the Empirical Studies in Software Development and Evolution Workshop at ICSE99.
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