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Aho Corasick source code needed, please help

I am in need of source code for the Aho Corasick algorithm. I have
tried searching the web but can't seem to find any code.

Is there a good site for c code I can search?

Thanks in advance.
Nov 14 '05
41 7517
Joona I Palaste wrote:
.... snip ...
The Disney corporation has been very dutiful in renewing its patents.
At least in the USA, "Mickey Mouse" will still belong to the Disney
corporation in 2400. That the same corporation made heaps of money
reusing children's faerytales whose own patents had expired makes this
quite ironic. Maybe those children's faerytales will soon be patented
by Disney and will require royalties to be expressed in any form?


Patents don't renew. Their purpose is to make techniques public,
in return for a limited period of exclusive use. Unlike
copyright.

--
Chuck F (cb********@yah oo.com) (cb********@wor ldnet.att.net)
Available for consulting/temporary embedded and systems.
<http://cbfalconer.home .att.net> USE worldnet address!
Nov 14 '05 #21
CBFalconer <cb********@yah oo.com> scribbled the following:
Joona I Palaste wrote:
... snip ...

The Disney corporation has been very dutiful in renewing its patents.
At least in the USA, "Mickey Mouse" will still belong to the Disney
corporation in 2400. That the same corporation made heaps of money
reusing children's faerytales whose own patents had expired makes this
quite ironic. Maybe those children's faerytales will soon be patented
by Disney and will require royalties to be expressed in any form?
Patents don't renew. Their purpose is to make techniques public,
in return for a limited period of exclusive use. Unlike
copyright.


Then it appears I have made a mix-up in terms. The Disney corporation
is constantly renewing the *copyright* of "Mickey Mouse". It'll still
be the copyright property of the Disney corporation in 2400. As will
all the classic children's faerytales.

--
/-- Joona Palaste (pa*****@cc.hel sinki.fi) ------------- Finland --------\
\-- http://www.helsinki.fi/~palaste --------------------- rules! --------/
"I said 'play as you've never played before', not 'play as IF you've never
played before'!"
- Andy Capp
Nov 14 '05 #22
"Joona I Palaste" <pa*****@cc.hel sinki.fi> wrote in message
news:c0******** **@oravannahka. helsinki.fi...
CBFalconer <cb********@yah oo.com> scribbled the following:
Joona I Palaste wrote:
... snip ...

The Disney corporation has been very dutiful in renewing its patents.
At least in the USA, "Mickey Mouse" will still belong to the Disney
corporation in 2400. That the same corporation made heaps of money
reusing children's faerytales whose own patents had expired makes this
quite ironic. Maybe those children's faerytales will soon be patented
by Disney and will require royalties to be expressed in any form?

Patents don't renew. Their purpose is to make techniques public,
in return for a limited period of exclusive use. Unlike
copyright.


Then it appears I have made a mix-up in terms. The Disney corporation
is constantly renewing the *copyright* of "Mickey Mouse". It'll still
be the copyright property of the Disney corporation in 2400. As will
all the classic children's faerytales.


Not according to current law. The renewal period may be longer than
you (and others) like, but it's still finite.

You're also confusing more than just the terms; you're confusing the
concepts that go with them:

-- A patent is granted for an *idea* that's recognized by people
skilled in the relevant art as being inventive. It covers all uses
of the idea, but for a relatively short term in recent centuries.
By democratizing the "letters patent" by which monarchs once handed
out monopolies, the USA and other nations have demonstrably stimulated
innovation in numerous fields. Patent successes vastly outnumber the
handful of patent abuses that we hear about from time to time.

-- A copyright covers an *expression*, whether it be words, music,
pictures, or performance. It grants to the creator the right to
control how the expression is copied and exploited by others. As
the value of intellectual property has grown, so has the useful
lifetime of the more successful expressions. For individuals, it
was recently extended from the creator's lifetime plus fifty years
to the creator's lifetime plus seventy years.

Some factoids:

-- Disney has no right to copyright old fairy tales. They're in the
public domain and beyond the acquisitive reach of -- even you.

-- Disney may have benefited from the public domain status of older
works, but so too did Shakespeare in many of his plays. And so
did Bernstein et al. by coopting the plot of Romeo and Juliet for
West Side Story. But all of the above borrowers also produced a
*unique expression of lasting value.* That, IMO, gives them some
right to benefit from their value added. (Why don't you start with
the version of Cinderella where the wicked step mother and step
sisters die ignominiously at her hand, once she nabs the prince?
Might make a good Saturday morning cartoon these days. You too can
become as rich as Disney Studios, if you make the right decisions.)

-- One of my son's school friends happens to be the grandson of
Hoagy Carmichael. Grandpa's music is still generating a good
royalty stream, and his grandson is thus still benefiting from
Hoagy's obvious talents. He's not some grasping cartel, just
another kid with an inheritance. Should we review all inheritances
and decide which ones are morally justified? Or does the evil
enter when you pass ownership to a Class C coporation?

FWIW, I've made my living generating intellectual property in the
form of software, textbooks, and science fiction. When I do it
right, I make a good living. When I do it wrong, I try a different
strategy. If there weren't a good fabric of IP laws, and adequate
cultural acceptance of those laws, I'd probably do better shingling
roofs. I have some objections to the application of patent law to
software, and to some of the "thought crime" aspects of the Digital
Millennium Copyright Act, and I'll campaign in my own small way to
have the laws improved. But in general, I have to applaud the
efforts of governments all over the world to give IP a chance to
retain its value.

P.J. Plauger
Dinkumware, Ltd.
http://www.dinkumware.com
Nov 14 '05 #23
On 7 Feb 2004 09:20:44 GMT, in comp.lang.c , Joona I Palaste
<pa*****@cc.hel sinki.fi> wrote:
Mark McIntyre <ma**********@s pamcop.net> scribbled the following:
On Fri, 6 Feb 2004 05:28:40 -0800, in comp.lang.c , "osmium"
<r1********@com cast.net> wrote:
Martin Dickopp writes:
> 70 years after the author's death? Soonest would be ~2045 I guess...

Yes, but only in the unlikely case that this period of time (recently
extended to 90 years in the USA, retroactively covering all works that
were about to enter the public domain, BTW) will not be further extended
until then.

AFAIK US copyright law is designed, and modified as necessary, so Mickey
Mouse will never lose its copyright.

AFAIR copyright is actually governed by the hague convention. While
individual countries can introduce stricter laws, internationally I
can, 70 years after Walt's death, start making cartoons starring a
mouse called mickey.


The Disney corporation has been very dutiful in renewing its patents.


Ah, patents are different I might be infringing a trademark or patent
but I'd not be infringing copyright. Don't confuse the two. You can't
[normally] patent an idea, only a process. A book is not patentable,
nor is a cartoon, but it is copyrightable.
--
Mark McIntyre
CLC FAQ <http://www.eskimo.com/~scs/C-faq/top.html>
CLC readme: <http://www.angelfire.c om/ms3/bchambless0/welcome_to_clc. html>
----== Posted via Newsfeed.Com - Unlimited-Uncensored-Secure Usenet News==----
http://www.newsfeed.com The #1 Newsgroup Service in the World! >100,000 Newsgroups
---= 19 East/West-Coast Specialized Servers - Total Privacy via Encryption =---
Nov 14 '05 #24
P.J. Plauger wrote:
Patents don't renew. Their purpose is to make techniques public,
in return for a limited period of exclusive use. Unlike
copyright.

Hence, the secret formula of Coca Cola.

Then it appears I have made a mix-up in terms. The Disney corporation
is constantly renewing the *copyright* of "Mickey Mouse". It'll still
be the copyright property of the Disney corporation in 2400. As will
all the classic children's faerytales.


Not according to current law. The renewal period may be longer than
you (and others) like, but it's still finite.

You're also confusing more than just the terms; you're confusing the
concepts that go with them:

-- A patent
-- A copyright


A neglecting a third term, which is "registered trademark"

--
pete
Nov 14 '05 #25
pete writes:
P.J. Plauger wrote:
> Patents don't renew. Their purpose is to make techniques public,
> in return for a limited period of exclusive use. Unlike
> copyright.


Hence, the secret formula of Coca Cola.


And thus the fourth category of intellectual property, the trade secret. No
legal protection, just a way of doing business, as in Colonel Sander's
"secret blend of 11 herbs and spices". Or whatever. To me, considering
modern chemistry, this doesn't seem plausible. A lot of mystique and
dependence on the gullibility of the general public. How hard could it be
to reverse engineer a bottle of Coca Cola?
Nov 14 '05 #26
In <4k************ *************** *****@4ax.com> Mark McIntyre <ma**********@s pamcop.net> writes:
but I'd not be infringing copyright. Don't confuse the two. You can't
[normally] patent an idea, only a process.
As usual, you got it wrong. Patents are for ideas that can be
economically exploited. I don't have the foggiest idea about what kind of
process you're talking about.
A book is not patentable, nor is a cartoon, but it is copyrightable.


They are not copyrightable, they are *automatically* covered by
the copyright laws. It is ideas that may or may not be patentable,
depending on their degree of originality and usefulness.

Dan
--
Dan Pop
DESY Zeuthen, RZ group
Email: Da*****@ifh.de
Nov 14 '05 #27
In <40**********@m indspring.com> pete <pf*****@mindsp ring.com> writes:
P.J. Plauger wrote:
> > Patents don't renew. Their purpose is to make techniques public,
> > in return for a limited period of exclusive use. Unlike
> > copyright.
Hence, the secret formula of Coca Cola.


How could it be secret? And whatever patent Coca Cola might have had on
it, it has expired long ago...
> Then it appears I have made a mix-up in terms. The Disney corporation
> is constantly renewing the *copyright* of "Mickey Mouse". It'll still
> be the copyright property of the Disney corporation in 2400. As will
> all the classic children's faerytales.


Not according to current law. The renewal period may be longer than
you (and others) like, but it's still finite.

You're also confusing more than just the terms; you're confusing the
concepts that go with them:

-- A patent
-- A copyright


A neglecting a third term, which is "registered trademark"


It's not in the same ball park with the other two: it has absolutely
nothing to do with intellectual property.

Dan
--
Dan Pop
DESY Zeuthen, RZ group
Email: Da*****@ifh.de
Nov 14 '05 #28
Dan Pop <Da*****@cern.c h> spoke thus:
Hence, the secret formula of Coca Cola.
How could it be secret? And whatever patent Coca Cola might have had on
it, it has expired long ago...


I believe it's classified as a "trade secret" or something to that
effect, which is treated differently than a patent or copyright.

--
Christopher Benson-Manica | I *should* know what I'm talking about - if I
ataru(at)cybers pace.org | don't, I need to know. Flames welcome.
Nov 14 '05 #29
Dan Pop wrote:

In <40**********@m indspring.com> pete <pf*****@mindsp ring.com> writes:
P.J. Plauger wrote:
> > Patents don't renew.
> > Their purpose is to make techniques public,
> > in return for a limited period of exclusive use. Unlike
> > copyright.


Hence, the secret formula of Coca Cola.


How could it be secret?
And whatever patent Coca Cola might have had on it,
it has expired long ago...


ITYM "it would have expired long ago"

The formula has never been patented.

--
pete
Nov 14 '05 #30

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