NDLI: Nomads - Enabling Distributed Analytical Service Environments for the Smart City Domain

Content Provider	IEEE Xplore Digital Library
Author	Schleicher, J.M. Vogler, M. Inzinger, C. Hummer, W. Dustdar, S.
Copyright Year	2015
Description	Author affiliation: Distrib. Syst. Group, Vienna Univ. of Technol., Vienna, Austria (Schleicher, J.M.; Vogler, M.; Inzinger, C.; Hummer, W.; Dustdar, S.)
Abstract	The advent of the Smart City domain has led to the creation of massive amounts of diverse data. Stakeholders in this domain need to be able to analyze this data in order to make informed planning decisions. To address this complex task, Distributed Analytical Environments (DAEs) have emerged. These environments consist of different distributed analytical and data services, which are composed in a dynamic way to deliver insights that are crucial for stakeholders. Since these environments deal with business critical and sensitive information, strict compliance constraints apply. These constraints lead to situations where certain concrete services are not allowed to exchange data, even though their interaction is necessary to produce the desired results. Finding a valid solution in the space of possible instantiations is a non-trivial problem. In this paper we introduce Nomads, a framework that enables service mobility in such constrained dynamic composition environments to overcome aforementioned restrictions. The framework improves the overall satisfiability and therefore also the quality of constrained DAEs. We outline the requirements of a representative DAE scenario, provide a detailed problem formulation, and then discuss the service mobility framework along with our solution finding algorithm. The evaluation demonstrates that the Nomads framework considerably increases the number of successfully performed compositions even in highly constrained environments.
Starting Page	679
Ending Page	685
File Size	809554
Page Count	7
File Format	PDF
e-ISBN	9781467372725
DOI	10.1109/ICWS.2015.95
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Containers Concrete Stakeholders Data models Cities and towns Smart cities Analytical models service mobility smart city distributed analytical enviornments
Content Type	Text
Resource Type	Article

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