The spiral model presented in this article is one candidate for improving the software process model situation. The major distinguishing feature of the spiral model is that it creates a risk-driven approach to the software process rather than a primarily document-driven or code-driven process. It incorporates many of the strengths of other models and resolves many of their difficulties.
Barry BoehmRelated topics
approach article candidate difficulties distinguishing feature major model process situation spiral softwareRelated quotes
"Whoever denies authority and fights against it is an anarchist," said Sebastien Faure. The definition is tempting in its simplicity, but simplicity is the first thing to guard against in writing a history of anarchism. Few doctrines or movements have been so confusedly understood in the public mind, and few have presented in their own variety of approach and action so much excuse for confusion.
George Woodcock
Artists have, for the most part, bound themselves down to follow a blind routine. Noble exceptions, however, have presented themselves. Nicholas Poussin, one of the most profound thinkers, whom the arts have produced, took care to correct and regulate by the antique the proportions which Leon Baptista Alberti and Albert Durer had given from the living model.
Adolphe Quetelet
In passing, we should here recognize the difficulties presented by the idea of 'fit' and 'unfit.' Who is to decide this question? The grosser, the more obvious, the undeniably feeble-minded should, indeed, not only be discouraged but prevented from propagating their kind. But among the writings of the representative Eugenists one cannot ignore the distinct middle-class bias that prevails.
Margaret Sanger
Sharing the code just seems like The Right Thing to Do, it costs us rather little, but it benefits a lot of people in sometimes very significant ways. There are many university research projects, proof of concept publisher demos, and new platform test beds that have leveraged the code. Free software that people value adds wealth to the world.
John D. Carmack
Opinion in all parts of the world would agree that Rachmaninoff is the most complete of living masters of the instrument; his technique is comprehensive, and he is, of course, musical to his bone's marrow. Most important of all, he is a composer, and for this reason he is able to approach a work as none of his pianist contemporaries can approach one – that is, from the inside, as an organic and felt creative process.
Sergei Rachmaninoff
