Eric,
Thanks for link. Flipping through quickly, it still seemed sentence-based.
Here's an example of time flipping - "fast-forwarding" text - and the kind
of jumps that the mind can make
"AGI Year One. "AGI is one of the great technological challenges. We believe
we have the basic technology - the basic modules - to meet that challenge."
AGI Year Five. "We can reach the goal of AGI in 10 years, if we really,
really try."
AGI Year Ten. "It may take longer than we thought, but we can get there..."
AGI Year Fifteen: "It's proved a much larger problem than we ever
imagined.." "
[n.b. I'm not trying to be historically or otherwise accurate :)
But note how your mind had no problem creating a v. complex underlying
time-jumping scenario to understand - and fill/read between the lines of -
that text. No current approach has the slightest idea how to do that, I
suggest. You can't do it by a surface approach, simply analysing how words
are used in however many million verbally related sentences in texts on the
net.
http://video.google.ca/videoplay?docid=-7933698775159827395&ei=Z1rhSJz7CIvw-QHQyNkC&q=nltk&vt=lf
NLTK video ;O
On 9/29/08, Mike Tintner <[EMAIL PROTECTED]> wrote:
David,
Thanks for reply. Like so many other things, though, working out how we
understand texts is central to understanding GI - and something to be
done
*now*. I've just started looking at it, but immediately I can see that
what
the mind does - how it jumps around in time and space and POV and
person/subject - and flexibly applies its world/subworld models - is
quite
awesome.
I think the word/sentence focus BTW is central to cognitive science *and*
the embodied cog. sci. of Lakoff and co. as well as AI/AGI.
But the understanding of language understanding will only really come
alive
when we move the focus to passages - and how we use language to construct
a)
stories b) arguments and c) scenes (descriptive passages). [I wonder
whether there are any other major categories of language].
It also entails a switch from just a one-sided embodied POV to a
two-sided
embodied-embedded overview, looking at how language is embedded in the
world.
To focus on sentences alone is like focussing on the odd frame in a
movie.
You can't get the picture at all.
A passage/text approach will v. quickly answer Matt's:
"I mean that a more productive approach would be to try to understand why
the problem is so hard."
David:
How does Stephen or YKY or anyone else propose to "read between the
lines"? And what are the basic "world models", "scripts", "frames" etc
etc.
that you think sufficient to apply in understanding any set of texts,
even a
relatively specialised set?
(Has anyone seriously *tried* understanding passages?)
That's a most thoughtful and germane question! The short answer is no,
we're not ready yet to even *try* to tackle understanding passages.
Reaching
that goal is definitely on the roadmap though, and there's a concrete
plan
to get there involving learning through vast and varied activities
experienced over the course of many years of practically continious
residence in numerous virtual worlds. The plan indeed includes the
continuous creation, variation and development of mental world-models
within
an OCP-based mind. Attention allocation and many other mind dynamics
(CIMDynamics) crucial to this world-modeling faculty must be adequately
developed, tested and tuned as a pre-requisite to begin trying to
understand
passages (and, also to generate and communicate imagined world-models as
a
human story teller would do; a curious byproduct of an intelligent system
that can reason about potential events and scenarios!)
NB: help is needed on the OpenCog wiki to better document many of the
concepts discussed here and elsewhere, e.g. Concretely-Implemented Mind
Dynamics (CIMDynamics) requires a MindOntology page explaining it
conceptually, in addtion to the existing nuts-and-bolts entry in the
OpenCogPrime section.
-dave
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