TR141: An Engineering Information Service Infrastructure for Ubiquitous Computing

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Abstract/Contents

Abstract: This paper describes a software framework for the development of a ubiquitous computing environment for distributed engineering information services. Two fundamental issues are addressed: (1) universal accessibility from devices to information services, and (2) collaboration among the parties accessing the information services. The first issue calls for the development of device independent information services that have flexibility to support wide range of client devices. We introduce a mediation-based framework that enables the information clients to calibrate the source information services to the clients' characteristics. The second issue requires effective integration of information services. We address the issue from two aspects. First, information models are required so that heterogeneous information services can communicate with each other. We define an ontology standard and describe how such standard can be effectively applied for exchanging scheduling information. Secondly, service integration requires an environment so that information services can be managed and directed to perform tasks in collaboration. We illustrate an infrastructure that is particularly suitable for the integration of engineering services. A prototype for the ubiquitous computing environment has been developed that incorporates a variety of project management software as well as different devices ranging from PDA, web browsers, desktop computers, and servers.

Type of resource	text
Date created	October 2002

Subject	CIFE
Subject	Center for Integrated Facility Engineering
Subject	Stanford University
Subject	Active Mediation
Subject	FICAS
Subject	PSL
Subject	Service Integration
Subject	Ubiquitous Computing
Genre	Technical report

Location	https://purl.stanford.edu/pm644sm0868

Use and reproduction: User agrees that, where applicable, content will not be used to identify or to otherwise infringe the privacy or confidentiality rights of individuals. Content distributed via the Stanford Digital Repository may be subject to additional license and use restrictions applied by the depositor.

Preferred Citation: Liu, David and Cheng, Jinxing and Law, Kincho H. and Wiederhold, Gio. (2002). TR141: An Engineering Information Service Infrastructure for Ubiquitous Computing. Stanford Digital Repository. Available at: http://purl.stanford.edu/pm644sm0868

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