NDLI: QoS-Aware Middleware for Web Services Composition

Content Provider	IEEE Xplore Digital Library
Author	Issa, H. Assi, C. Debbabi, M.
Copyright Year	2006
Description	Author affiliation: Concordia University, Canada (Issa, H.)
Abstract	One of the benefits of web services is their ability to participate in a web services composition process. Therefore, an end-to-end QoS infrastructure should be established. Work conducted in this domain is mainly focused on functional QoS requirements such as service response time, delay, cost, etc. In this paper, we target QoS from the prespective of data freshness and accuracy. Therefore, we propose the usage of the WS-Notification specification as a base medium capable of sensing and routing any information change at the level of web services using a publish-subscribe mechanism. We then propose an algorithm that is capable of identifying the point of information change within the context of multiple web services composition scenario. This is then followed with an appropriate re-computation of a subset of the pre-established, global service execution plan. Our contributions are three fold: first we highlight the importance of qualifyable QoS aspect related to the issue of web services composition and monitoring, second we describe an algorithm capable of capturing and reflecting the state of web services involved in the integration process, and finally we illustrate the usage of WS-Notification to aid in building such systems.
Starting Page	359
Ending Page	364
File Size	255652
Page Count	6
File Format	PDF
ISBN	0769525881
ISSN	15301346
DOI	10.1109/ISCC.2006.135
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Middleware Web services Delay effects Computer security Laboratories Information systems Systems engineering and theory Cost function Routing Publish-subscribe
Content Type	Text
Resource Type	Article
Subject	Signal Processing Mathematics Computer Networks and Communications Computer Science Applications Software

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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