Mnemosyne patented?

[Gwern Branwen]

http://www.freepatentsonline.com/y2012/0322043.html "ADAPTIVELY-SPACED
REPETITION LEARNING SYSTEM AND METHOD"

> An adaptively-spaced repetition learning system and method facilitate the learning of material over time through the presentation of the material at ever-increasing intervals. Embodiments of the system and method present a stimulus-response pair to a student to obtain a binary response that is either correct or incorrect. The token is next presented to the student based on the student's response. If the response is correct, then the token is presented to the student based on the initial repetition interval without modification. If the response is incorrect, then the learnedness value is reset and the progression through the repetition intervals is restarted. In some embodiments, the initial repetition intervals are dynamically adjusted based on the student's response to obtain revised repetition intervals. This is achieved by manipulating the exponent of the mathematical term representing the curve of the repetition intervals.

--
gwern
http://www.gwern.net

[Gnome]

Looks like it. Is the patent approved? It can't be right because it's an idea that has been around for very long.

[Gwern Branwen]

On Fri, Jan 4, 2013 at 4:26 PM, Gnome <jippi...@hotmail.com> wrote:
> Looks like it. Is the patent approved? It can't be right because it's an
> idea that has been around for very long.

Patents don't have to be right to be enforced.

--
gwern
http://www.gwern.net

[Peter Bienstman]

I'm not too worried, there's plenty of prior art. Besides, they
haven't sued me yet :-)

Peter

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[George Wade]

It may be worth getting together with SM to do a pre-emptive strike on the claim: all or part of it ?
George

[Peter Bienstman]

I wouldn't put too much effort in this, it's not even sure that the
patent is granted, and Mnemosyne existed long before the patent was
filed.

Cheers,

Peter

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[George Wade]

I agree not to put too much effort into this: it is better to let them spend their capital first.
George