Author: Robert Hyatt
Date: 18:29:35 08/22/05
Go up one level in this thread
On August 22, 2005 at 12:43:28, Dann Corbit wrote: >On August 21, 2005 at 15:52:02, Robert Hyatt wrote: > >>On August 21, 2005 at 14:58:45, Peter Fendrich wrote: >> >>>Technically it is not a clone but I think there is a limit somewhere that is >>>hard to set... >>>I mean there is a difference if you take influence from som specific function >>>that you found compared to in detail study the whole program and trying to >>>implement function after function. In both case I think that the original author >>>at least deserves a thanks in the readme file. >>>Cloning or not, I think that being open and honest about it is the key. >>> >>>/Peter >> >>This is a tough question. If someone shows me a 1000 line program in language >>X, and all I do is translate it to language Y, that has to be a clone. But what >>if I don't translate line by line, but function by function. That is, I examine >>the move generator, and then write an equivalent from scratch in a different >>language. Repeat for all functions. Now it is harder. But, IMHO, it is >>_still_ a clone. Crafty re-written in whatever language you choose will still >>be crafty... > >PVS is not trivial. >Most programs use it. >They did not invent it. > >Which program was the inventor of hash tables for storing already searched >positions? Can others use this innovation? Greenblatt's program. 1960's... > >Why should a chess program with only copyright protection be given patent level >algorithm protection? I don't know that it should. But the point is the "copying of ideas" as opposed to "copying of code". There's a subtle difference, and no matter how you define either, there is probably a sensible scenario that can be constructed to justify doing either one... > >At any rate, I think that copying ideas will never create superiority (except >for the very short term). It is innovation that will create long term growth. > >I think that most programmers have caught onto that now. No, otherwise you would never see such strong programs show up with less than a year's effort behind them...
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