[Haskell-cafe] OT: Paper on increasing entropy in software systems

Matthew Brecknell haskell at brecknell.org
Sun Jun 15 06:30:09 EDT 2008

> > I was just listening to Brooks' talk at OOPSLA 2007 and in the Q&A part
> > at the end he mentions a paper on increasing entropy in software
> > systems.  He mentions the authors' names but I can't quite make it out
> > and Google hasn't been very helpful either.  He says the paper “must be
> > 30 years old” and it sounds like he says it's by Les Bellati and Manny
> > Leimann (Lehmann?).
> Wikipedia's entry for "Software entropy" lists this:
>   Lehman M.M. and Belady L. (1985). Program Evolution. Process of
>   Software Change.
> No link, though.


Using the author names provided by Ketil, scholar.google.com also finds


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