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WS-VLAM Tutorial: Hands-on the User Graphical Interface

This tutorial provides a step-by-step guide on how to use the user graphical interface of WS-VLAM, including starting the application, creating/delegating credentials, executing workflows, and monitoring running workflows.

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WS-VLAM Tutorial: Hands-on the User Graphical Interface

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  1. WS-VLAM Tutorial Part I: Hands on the User Graphical Interface Adam Belloum

  2. Outline • Part I: Hands on the User Graphical Interface • Part II: Port a Legacy application to WS-VLAM • Part III: Learn how to use WS-VLAM API

  3. Outline (Part I): The user Graphical Interface Step 1: Start the WS-VLAM Step 2: Create Credential / Delegate credentials Step 3:Execute existing workflow Step 4:Monitor running workflow Step 3: Tools for semantic annotation, virtual file browser, repository, provenance

  4. Step 1: Start the WS-VLAM workflow composer (GUI) • As a webstart application • Go to: www.science.uva.nl/~gvlam/wsvlam/ • Click on the button [Try-it now] • Requirements: • Your web browser should be configured to start “webstart application” • JAVA 1.6 need to be installed on your desktop/laptop

  5. Step 1. Start the WS-VLAM GUI (1/3) • First pop screen: asks for the application to use open WS-VLAM Webstart Application • Choose open • Click OK

  6. Second pop screen: asks you to Trust the signed WS-VLAM Application Step 1. Start the WS-VLAM GUI (2/3) • Click trust

  7. Third pop screen: should WS-VLAM workflow composer • The composer comes pre-loaded demo workflow, that will be your WS-VLAM “hello word” Step 1. Start the WS-VLAM GUI (3/3)

  8. WS-VLAM workflow composer • Canvas • List of components • Property window • Monitoring window Step 2. Create/delegate Credentials (1/6) • Action: • Click on delegate Credentials Button

  9. First popup screen: • warning that you are going to send your credentials to a remote service Step 2. Create/delegate Credentials (2/6) • Action: • Click on yes

  10. second popup screen: • Create your proxy credentials window Step 2. Create/delegate Credentials (3/6) • Action: • Type in your credential passphrase • Click Create

  11. Third popup screen: • proxy credentials created window • On WS-VLAM composer bottom left corner you will a decreasing timer showing the time before your proxy credential expires Step 2. Create/delegate Credentials (4/6) • Action: • Click Ok

  12. Option popup screen: • If you push the option button in the proxy create window • You get options proxy option window Step 2. Create/delegate Credentials (5/6) • Action: • Change the default time • Location of the private and public keys

  13. Option popup screen: • If you push the option button in the proxy create window • You get options proxy option window Step 3. Execute workflow (1/1) • Action: • Change the default time • Location of the private and public keys

  14. Monitoring popup window: • Default • Workflow components tabs Step 4. monitor workflow (1/3) • Action: • Select a component tab

  15. Component tab: • Module status: shows the submission status of the component: • NOT SUBMITTERD • ACTIVE • REGISTERD • DONE Step 4. Monitor workflow (2/3) • Action: • Select Module status tab

  16. Component tab: • Std out/Std Err: show standard output/ Error Step 4. Monitor workflow (3/3) • Action: • Select std Out tab

  17. Some References • Science Z Zhao, A Belloum, M Bubak Editorial: Special section on workflow systems and applications in e-Future Generation Computer Systems 25 (5), 525-527 • A. Wibisono, D. Vasyunin, V. Korkhov, AS.Z. Belloum WS-VLAM: a GT4 based workflow management system , The 2nd International Workshop on Scientific Workflows, In conjunction with ICCS 2007, Beijing, China, 2007 • A.S.Z. Belloum, V. Korkhov, S. Koulouzis, M. A Inda, and M. BubakCollaborative e-Science experiments: from scientific workflow to knowledge sharing JULY/AUGUST, IEEE Internet Computing, 2011 • IlkayAltintas, Manish Kumar Anand, Daniel Crawl, Shawn Bowers, Adam Belloum, Paolo Missier, Bertram Ludascher, Carole A. Goble, Peter M.A. Sloot, Understanding Collaborative Studies Through Interoperable Workflow Provenance, IPAW2010, Troy, NY, USA

  18. Some References • A. Belloum, Z. Zhao, and M. Bubak Workflow systems and applications , Future Generation Comp. Syst. 25 (5): 525-527 (2009) •  Z. Zhao, A.S.Z. Belloum, et al., Distributed execution of aggregated multi domain workflows using an agent framework The 1st IEEE International Workshop on Scientific Workflows, Salt Lake City, U.SA, 2007 • Zhiming Zhao, Adam Belloum, Cees De Laat, Pieter Adriaans, Bob Hertzberger Using Jade agent framework to prototype an e-Science workflow bus Authors Cluster Computing and the Grid, 2007. CCGRID 2007

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