NDLI: Considering QoS Aspects in Web Service Composition

Content Provider	IEEE Xplore Digital Library
Author	Thissen, D. Wesnarat, P.
Copyright Year	2006
Description	Author affiliation: RWTH Aachen University, Germany (Thissen, D.)
Abstract	The concept of web services provides some kind of middleware for the implementation of distributed applications, independent from platforms and programming languages. When developing new software systems, it could be of use in terms of time and costs to re-use the functionality of existing services. This process of re-use is called web service composition, but there are still some open topics currently under research. Beneath the matching between semantic description of offered and requested services, also the capabilities of the composed service are of importance. The current web service standards are not equipped to consider non-functional requirements, i.e. QoS aspects, of a user to a composed service. This topic is treated in this paper. An approach is presented how to enhance the web services architecture to consider QoS aspects in the composition of a complex service. Basing on aggregation of QoS descriptions assigned with simple services due to a workflow pattern of a composed service, a QoS broker is implemented which completes the directory service UDDI by mediating composed services in a QoS-based way.
Starting Page	371
Ending Page	377
File Size	316903
Page Count	7
File Format	PDF
ISBN	0769525881
ISSN	15301346
DOI	10.1109/ISCC.2006.53
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	Web services Quality of service Computer languages Prototypes Computer science Electronic mail Middleware Application software Software systems Cost function
Content Type	Text
Resource Type	Article
Subject	Computer Science Applications Computer Networks and Communications Signal Processing Software Mathematics

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 Libarray 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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