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Writing Effective Use Cases Alistair Cockburn
Publisher: Addison-Wesley Professional

Read the chapter on Parameterized Use Cases in “Writing Effective Use Cases”. 3.Getting It Right: Business Requirement Analysis Tools and Techniques. A Use Case Driven Approach, revised printing, Addison-Wesley 1993. Writing Effective Use Cases (Agile Software Development Series). When it comes to writing effective use cases, you don't need to be a perfectionist and concern yourself with getting it right the first time. These are what Cockburn (“Writing Effective Use Cases”) describes as “informal” use cases. Hass, Don Wessels, and Kevin Brennan. Also, a story is implemented all in a single iteration of an . Cockburn, Alistair, Writing Effective Use Cases, Addison-Wesley, 2001. User stories are written so that each can be given an estimate of how difficult or time–consuming it will be to develop; use cases, on the other hand, are generally too large to be given useful estimates. Essentially, they list the actors and tell a short story about a usage scenario. Amazon link to the book I mentioned: Writing Effective Use Cases by Alistair Cockburn http://www.amazon.com/Writing-Effective-Cases-Software-Development/dp/0201702258/ref=pd_bbs_sr_1?ie=UTF8&s=books&qid=1198563112&sr=8-1. Many of these assumptions may seem good and safe, but they may rule out a user interface in which I click a recipient's name rather than typing it to initiate the message. That will take care of most of the problem, because the differences between the companies will be on the data sheets not the use cases.