Ben> Jef wrote:
>> As I see it, the present key challenge of artificial intelligence
>> is to develop a fast and frugal method of finding fast and frugal
>> methods,
Ben> However, this in itself is not possible. There can be a fast
Ben> method of finding fast and frugal methods, or a frugal method of
Ben> finding fast and frugal methods, but not a fast and frugal method
Ben> of finding fast and frugal methods ... not in general ...
>> in other words to develop an efficient time-bound algorithm for
>> recognizing and compressing those regularities in "the world"
>> faster than the original blind methods of natural evolution.
Ben> This paragraph introduces the key restriction -- "the world",
Ben> i.e. the particular class of environments in which the AI is
Ben> biased to operate.
As I and Jef and you appear to agree, extant Intelligence works
because it exploits structure *of our world*;
there is and can be (unless P=NP or some such radical and
unlikely possibility) no such thing as as "General" Intelligence
that works in all worlds.
Ben> It is possible to have a fast and frugal method of finding {fast
Ben> and frugal methods for operating in environments in class X} ...
Ben> [However, there can be no fast and frugal method for producing
Ben> such a method based solely on knowledge of the environment X ;-)
Ben> ]
I am unsure what you mean by this. Maybe what you are saying is, its not
going to be possible by writing down a simple algorithm and running it
for a week on a PC. This I agree with.
The challenge is to find a methodology
for producing fast enough and frugal enough code, where that
methodology is practicable. For example, as a rough upper bound,
it would be practicable if it required 10,000 programmer years and
1,000,000 PC-years (i.e a $3Bn budget).
(Why should producing a human-level AI be cheaper than decoding the
genome?) And of course, it has to scale, in the sense that you have to
be able to prove with < $10^7 (preferably < $10^6 ) that the
methodology works (as was the case more or less with the genome.)
This, it seems to me, requires a first project much more limited
than understanding most of English, yet of significant practical
benefit. I'm wondering if someone has a good proposal.
Ben> One of my current sub-projects is trying to precisely formulate
Ben> conditions on the environment under which it is the case that
Ben> Novamente's particular combination of AI algorithms is "fast and
Ben> frugal at finding fast and frugal methods for solving
Ben> environment-relevant problems" .... I believe I know how to do
Ben> so, but proving my intuitions rigorously will be a bunch of work
Ben> which I don't have time for at the moment ... but the task will
Ben> go on my (long) queue...
Ben> -- Ben
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