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CKAN for RDM workshop

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Slides for an initial requirements gathering exercise for the use of CKAN to manage research data.

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CKAN for RDM workshop

  1. 1. CKAN for Research Data Management Workshop, London, 18th February 2013 Joss Winn, University of Lincoln http://orbital.blogs.lincoln.ac.uk
  2. 2. “There are no such things as requirements, there are only wishes.” Kent Beck, 2000. Requirements = wishes Let’s split into different types of users and create wish lists. If you like, you can be a ‘proxy user’, taking on the role of someone else.
  3. 3. Essential components of a requirement • What should the required function/feature do? • Who is intended to use it? • How does it provide value? • What major constraints affect the design? Requirements evolve through negotiation and as further clarification is provided during development. Today, we’re going to create ‘stories’ that can be returned to at a later date. Taken from Cockburn(2005) Crystal Clear. A Human powered Methodology for Small Teams
  4. 4. Examples Format: As a X user, I want to X, so that X e.g. Who, what, why? “As a Publisher I want to Archive resources so that old or out of date resources can be hidden”* “As a User I want to Browse and search for other users so that I know about others active on the site” * Go here for actual requirements from workshop: http://lncn.eu/mxz2 * Taken from the (old) CKAN wiki list of user stories
  5. 5. The Constraints “What major constraints affect the design?” • Resourcing: “That would take four developers 6 months to implement” < Break it down! • Existing design/technology decisions: “The software is designed for the web, not a desktop application.” < Can desktop apps be written to use the web APIs? • Social constraints: “Most of our existing users would find that feature confusing/irrelevant.” < Create an extension for esoteric features.
  6. 6. Creating Use Cases Can we group our requirements into use cases? How do certain requirements relate to one another? e.g. • Data store requirements • Data repository requirements • Data catalogue requirements Example use case: http://j.mp/Y6uWvD
  7. 7. Quick Gap Analysis CKAN for RDM

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