NDLI: Using blackboard system to automate and optimize workflow orchestrations

Content Provider	IEEE Xplore Digital Library
Author	ul Haq, I. Schikuta, E. Kofler, K.
Copyright Year	2009
Description	Author affiliation: Department of Knowledge and Business Engineering, University of Vienna, Vienna, Austria (ul Haq, I.; Schikuta, E.; Kofler, K.)
Abstract	Automated composition and optimization of workflows in Service Oriented Computing (SOC) is a challenging research area. However, there are numerous problems yet to be completely resolved, such as: How to automate the solution in a service oriented environment with redundant services competing with each other? How to formally quantify the performance metrics based on user requirements both at the task level and at the overall workflow level? How to select the optimal set of services in order to maximize the user happiness? How to cope with the dynamic behaviors such as user changing his requirements and failing resources? We present a smart approach based on the Blackboard Systems for the generation of workflows in service enriched environments such as the Grid and the Cloud Computing. We devise a mathematical model to automate the blackboard based workflow generation. Our model defines a ”happiness measure”, that, on the basis of user specified requirements and priorities for various activities in the abstract workflow, identifies optimal possibilities of service orchestrations. Then we discuss an example scenario to demonstrate these formal techniques and show a speedup analysis of our parallelized Branch and Bound algorithm based implementation. We also discuss possibilities of other more efficient algorithms.
Starting Page	173
Ending Page	178
File Size	265726
Page Count	6
File Format	PDF
ISBN	9781424456307
DOI	10.1109/ICET.2009.5353179
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-19
Publisher Place	Pakistan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Knowledge engineering Measurement Workflow Management Service Composition Cloud computing Blackboard Systems Service oriented architecture Artificial Intelligence Quality of service Parallel Branch and Bound Algorithm Formal Model Service Selection Multidimensional Multi-choice Knapsack Problem Web and internet services Concrete Artificial intelligence Mesh generation
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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