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copied!<p>I'd advise you to read <a href="http://www.joelonsoftware.com/articles/fog0000000069.html" rel="nofollow noreferrer">this article</a> before attempting to scrap the whole system. I look at it this way. What changed to prompt the redevelopment? Your domain experts haven't forgotten how to use the original system, so you already have some competent "COBOL programmers" for your domain. From your description, it sounds like mostly the performance requirements have changed, and possibly a greater need for web forms.</p> <p>Therefore, the desired solution isn't to change the responsibilities of the domain experts, it's to increase the performance and make it easier to create web forms. You have the advantage of an existing code base showing exactly what your domain experts are capable of. It would be a real shame not to use it.</p> <p>I realize Prolog isn't exactly the hottest language around, but there are faster and slower implementations. Some implementations are designed mostly for programmer interactivity and are dynamically interpreted. Some implementations create optimized compiled native code. There are also complex logical programming techniques like memoization that can be used to enhance performance, but probably no one learns them in school anymore. A flow where content creators focus on creating new content and developers focus on optimization could be very workable. Also, Prolog is ideally suited for the model layer, but not so much for the view layer. Moving more of your view layer to a different technology could really pay off.</p>

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