1. Data Provenance Update Dawn Wilkins Associate Professor University of Mississippi

2. PARS  Provenance, Archive and Retrieval System  Uses  Archive important data in case of data loss on your system  Safely and easily share data with collaborators  Disseminate research products to the public  Document projects to enhance the reproducibility of the work  Data stored at Mississippi Center for Supercomputing Research (MCSR), multi-TB  Available at: pars.cs.olemiss.edu

3. pars.cs.olemiss.edu

5. PARS Basics – Signing up Choose username (unique system-wide) Provide email address (currently must be a whitelisted.edu to auto sign-up) Set initial password Link will be sent to email address provided, must confirm by clicking

6. pars.cs.olemiss.edu

7. PARS Basics - Projects  Any user can create a project  Project is primary organizational unit  A user can have many projects  Projects are named, no spaces or special characters  Projects can be public or private  Projects can contain folders and files  Hierarchy of folders is allowed

8. PARS Basics – Public Projects  Can be read/downloaded by anyone -- guest or PARS user  Best way to disseminate research products to public  User’s public projects:  pars.cs.olemiss.edu/ username  Project URL:  pars.cs.olemiss.edu/ username / project

9. pars.cs.olemiss.edu

10. Example Public Project Page

11. PARS Basics – Private Projects  Only owner and explicitly specified collaborators have access to project  All collaborators can access the project, including adding folders/files, metadata, deleting files/folders/metadata.  Only the owner can remove the project or add collaborators.  Files can be restored to any previous version. Deleted folders are recoverable only until a new folder with the same name is created.

12. PARS Basics – User Page

15. PARS Basics – Project Creation

19. Project Settings

21. PARS Basics – Collaborators

22. File Upload and Operations Any file type of data can be uploaded (.zip,.doc,.png,.xls, …) Upload uses standard browser file chooser Can upload multiple files at a time

23. PARS Basics - Metadata  Files and Folders can have associated metadata  Metadata is in the form of key/value pairs  Keys are chosen by user; values can be any data type  For example KeyValue Number of Samples10341 Lab techCarole Run date12/01/11

24. Metadata

25. PARS DEMO http://pars.cs.olemiss.edu

26. Suggestions/Feedback  Suggestions  Need convenient way to lookup collaborator usernames  Allow metadata for projects  Need procedure for deleting/deactivating users  Need Appropriate Use Policy  Bulk file operations  Metadata keyword groups  Searchable metadata

27. Acknowledgements Michael Macias Dr. Zhendong Zhou Chad Vicknair Dr. Yixin Chen Alpha testers!

28. Questions?