NDLI: From Abstract to Executable BPEL Processes with Continuity Support

Content Provider	IEEE Xplore Digital Library
Author	Azmeh, Z. Huchard, M. Hamoui, F. Moha, N.
Copyright Year	2012
Abstract	The real value of Web services under the SOA paradigm lies in their ability to be assembled to obtain a new functionality. Assembling Web services can be achieved through a standard called BPEL, which creates executable processes by orchestrating Web service invocations. The problem with BPEL is the inability to separate the process description from its realization. In other words, it requires a prior retrieval of concrete Web services, which can be very challenging regarding the issues surrounding service discovery and selection. In this paper, we propose to separate a BPEL process description from its realization. We extend the notion of abstract BPEL processes, in order to enable developers to describe their desired orchestrations abstractly without identifying concrete services, according to three levels: the needed functionality, the expected QoS levels, and the composition flow. Then, the abstract BPEL process is realized by a selection framework that automatically discovers, classifies, and selects suitable services to render the process executable. Backup services are also discovered to assure the continuity of the realized process.
Starting Page	368
Ending Page	375
File Size	1154861
Page Count	8
File Format	PDF
ISBN	9781467321310
DOI	10.1109/ICWS.2012.92
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quality of service Abstracts Web services Lattices Concrete Availability Cities and towns Relational Concept Analysis (RCA) SOA Web service abstract BPEL abstract WSDL QoS
Content Type	Text
Resource Type	Article

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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