/npsi/ctrl?lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?lang=fr Access and use of this website and the material on it are subject to the Terms and Conditions set forth at http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://dx.doi.org/10.1016/j.ins. 2009.01.038 Information Sciences, 179, 15, pp. 2606Sciences, 179, 15, pp. -2617Sciences, 179, 15, pp. , 2009 A service-oriented city portal framework and collaborative development platform Zhu, D.; Li, Y.; Xu, Y.; Shi, J.; Shen, W. The material in this document is covered by the provisions of the Copyright Act, by Canadian laws, policies, regulations and international agreements. Such provisions serve to identify the information source and, in specific instances, to prohibit reproduction of materials without written permission. For more information visit http://laws.justice.gc.ca/en/showtdm/cs/C-42Les renseignements dans ce document sont protégés par la Loi sur le droit d'auteur, par les lois, les politiques et les règlements du Canada et des accords internationaux. Ces dispositions permettent d'identifier la source de l'information et, dans certains cas, d'interdire la copie de documents sans permission écrite. Abstract: Cities are being equipped with multiple information systems to provide public services for city officials, officers, and citizens. There are problems with efficient service implementation and provision, e.g., data islands and function overlaps between systems and applications. Service-oriented portals are efficient at facilitating information sharing and collaborative work between city systems and users. The goal is to make cities responsive, agile and to provide composite services efficiently and cost efficiently. A service-oriented framework for city portals is proposed to design, integrate and streamline city systems and applications. A model-driven collaborative development platform is developed for service-oriented digital portals of the proposed framework. The architecture and implementation issues of the platform are discussed. The service identification policies are discussed within the framework. A case study has been developed and evaluated on the platform to provide a composite service, i.e., a traffic search service on a city portal.
/npsi/ctrl?lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?lang=fr Access and use of this website and the material on it are subject to the Terms and Conditions set forth at http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://dx.doi.org/10. 1016/j.aei.2007.09.005 Advanced Engineering Informatics, 22, 3, pp. 328-339, 2008-07-01 Multi-model driven collaborative development platform for serviceoriented e-business systems Li, Y.; Shen, J.; Huang, Y.; Shen, W.; Ghenniwa, H.; Xu, Y.http://irc.nrc-cnrc.gc.ca Multi-model driven collaborative development platform for service-oriented e-business systems NRCC-50520Li, Y.; Shen, J.; Huang, Y.; Shen, W.; Ghenniwa, H.; Xu, Y. July 2008A version of this document is published in / Une version de ce document se trouve dans: International Journal of Advanced Engineering Informatics, v. 22, no. 3, 2008, .pp 328-339 The material in this document is covered by the provisions of the Copyright Act, by Canadian laws, policies, regulations and international agreements. Such provisions serve to identify the information source and, in specific instances, to prohibit reproduction of materials without written permission. For more information visit http://laws.justice.gc.ca/en/showtdm/cs/C-42Les renseignements dans ce document sont protégés par la Loi sur le droit d'auteur, par les lois, les politiques et les règlements du Canada et des accords internationaux. Ces dispositions permettent d'identifier la source de l'information et, dans certains cas, d'interdire la copie de documents sans permission écrite. Pour obtenir de plus amples renseignements : http://lois.justice.gc.ca/fr/showtdm/cs/C-42 Multi-Model Driven Collaborative Development Platform for Service-Oriented e-Business Systems
Due to node mobility and dynamic network topology, service compositions in ad hoc networks become unreliable. Improving reliability has been a research topic in service composition and ad hoc networks, and some work has considered minimizing disruption service composition and recovery in ad hoc networks. Backup service composition is a good choice for centralized network and some work have already focused on setting up procedure of backup service composition, but little work has considered how to recovery from backup service composition other than reorganize service composition in ubiquitous computing.This paper proposes a backup restoration algorithm of service composition in ad hoc networks. The algorithm is based on the precondition of setting up backup service composition before disruption service composition. Backup service composition is only set up for services provided by unreliable nodes which are predicted. Disruption service composition can be replaced by backup service composition other than reorganizing service composition. Simulation result proves that duration of service composition can be largely decreased when our algorithm has been adopted.
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