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The original discussion on copyrighting evolved from a post by brucer
in another thread.
Apologies to bruce if my answer drew attention away from his
discussion (sometimes I can be frivolous in my comments and I
intended no offence).
To set the record straight.
bruce originally said:
>I think that the larger question is protection of AFL's.
>There are two reasons for
>protecting the source - one obvious and one not so obvious -
>1. To charge for the code and for the intellectual property. The
>market will decide if the price is reasonable or not.
>2. To protect the source. Many times others will mod the source and
>then tie up author's time with questions about how the original
>software worked OR why the modified software doesn't work.
I assumed you were referring to 'copyrighting AFL' but that might not
necessarily be what you were interested in.
You went on to say:
>Certainly code can be placed in a DLL to hide it. It
>is also fairly easy to protect it. It is just a pain and a
>productivity hit to convert AFL to a DLL just to protect it.
>Protection tends to fall into two categories -
>1. Wrappers for EXE's and DLL's that implement keyed protection for
>existing binaries and require no changes. The protection may or may
>not be machine unique. For example, ASPROTECT
>2. Embedded protection calls that require changes to the app. Several
>libraries available - some open such as ACTIVELOCK
>Anyway, I'd be interested in others thoughts on this issue.
Progster commented on the same subject:
>Since DLL writing is (almost) platform agnostic, DLL writers in the
>trading area will have a tendency to code for platforms that provide
>built-in support for locking a DLL to a customer or software ID.
>I would predict that such "commercializing" integration features
>would
>result in a distinct increase in the number of commercial DLLs
>available for AB.
--- In amibroker@xxxxxxxxxxxxxxx, "brian_z111" <brian_z111@xxx>
wrote:
>
> Thanks Tomasz,
>
> That adds further clarification to the good opinion already posted
by
> Progster, Barry and Dennis (in another thread).
>
> The points made in 'your' links tend to support my hunch that:
>
> - a book can be copyrighted but not the code that it contains
> - people are free to restate any trading idea, using AFL, since AFL
> is a unique language and hence any expression of a trading idea
would
> automatically be unique (especially if the idea has been translated
> into psuedocode before posting it to a forum for coding into AFL).
>
> The only slight concern I have is that dissension, or confusion,
may
> be created by people quoting AFL code that has been published in a
> copyrighted environment.
>
> I can't help wondering if AFL could me made an open source
language
> but that is possibly some silly romantic notion I have.
>
> My overall interest in the subject is because I feel that
copyrighted
> material, may in many cases, hold back our progress (our being
> mankind), including our economic progress ..... one of your links
> provides a very good example of the wasted resources that MS have
put
> into copyrighting www. and .com where they are used on a cell phone.
>
> Obviously open source software is an entirely knew phenomenon
suited
> for an entirely new breed of humanity.
>
> brian_z
>
>
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@>
> wrote:
> >
> > I may add that mathematical ideas (including algorithms) should
> never have any patents granted
> > http://www.lbl.gov/Workplace/patent/app2.html
> > and this rule is usually followed, however
> > US Patent office has unfortuntally has granted several ridiculous
> patents.
> > http://freedomforip.org/category/patent/
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: "Tomasz Janeczko" <groups@>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Saturday, December 20, 2008 11:15 AM
> > Subject: Re: [amibroker] COPYRIGHT
> >
> >
> > > Hello,
> > >
> > > You guys mix up things. Copyright protects the published work
in
> its original form and only that.
> > > It does not protect mathematical (or any other) ideas
themselves.
> > > Ideas per se can only be protected by patents if patent is
> granted and only in limited territories and fixed amount of time.
> > > This article explains the difference:
> > > http://en.wikipedia.org/wiki/Idea-expression_divide
> > >
> > > Best regards,
> > > Tomasz Janeczko
> > > amibroker.com
> > > ----- Original Message -----
> > > From: "binjobingo" <binjobingo@>
> > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > Sent: Saturday, December 20, 2008 5:19 AM
> > > Subject: [amibroker] COPYRIGHT
> > >
> > >
> > >> Does referring to Wilder's Relative strength Indicator,or
Lane's
> > >> Stochastics,or Chande's Vidya & so on lead to copyright
> violation?
> > >>
> > >> Say one reads An Author's book & am not able to write AFL for
the
> > >> Indicators & so ask the forum members to write it for me Is it
> > >> copyright violation?
> > >>
> > >> If one give a link to the Website say some other website which
> > >> explains the parameters & use of the said "indicator" but the
> website
> > >> may not be owned by the Author himself does it lead to
copyright
> > >> violation ?
> > >>
> > >> If it is so I think all the forums would close down & nobody
> would
> > >> discuss their trading strategy since trading strategies use
some
> > >> Indicator by some author.
> > >>
> > >>
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