On Fri, Feb 2, 2018 at 7:28 AM, Ben Goertzel <b...@goertzel.org> wrote:
We are undertaking now to port MOSES into the Atomspace (specifically
to make each MOSES deme an Atomspace, while leaving the
deme-management, feature-selection etc. code intact...)...
I'm not sure who "we" are, in this sentence. The reason that "we", meaning
"me"
did not try this in the past is that the Atomspace has a performance profile
that
does not fit well with the default algorithms in MOSES. A naive port
substituting
template Vertex<> by Handle could easily slow down MOSES by a factor of
10x or 100x. Clearly, that's not viable. At least, not to me.
One can get clever in several ways. The most obvious one is to have a
copyin/copyout system to copy Atoms into moses-internal format, run MOSES
for a while, and then copyout back into the atomspace. There are other,
more
subtle approaches possible.
However as Linas notes, the intersection btw Atomspace and graph-DBs
is not about MOSES in particular....
A few of us have been thinking about potentially connecting Atomspace
to Apache Ignite,
Why not Redis or Riak? The issue
https://github.com/opencog/atomspace/issues/1502
describes work that needs to happen prior to a redis/riak/ignite port.
so that Ignite could serve as a sort of distributed
backing-store, and the current Atomspace code would serve as the
"local cache" Atomspace on each machine in the distributed network....
Ignite is an interesting beast which is a sort of middleware layer
between data store and application.... This is not quite the same as
porting Atomspace logic to a graph DB, but perhaps it's in a similar
spirit...
The actual task to be done depends srtrongy on who is doing it, how
many people are involved, and how clever they are.
I fully expect other opensource groups to reinvent an atomspace-like system
on top of a graph DB. They will start with a clean slate, not reusing any
atomspace
code, and probably reinventing it blisssfully unaware that the Atomspace
exists.
But if you decide to start with the existing code base, then I think
https://github.com/opencog/atomspace/issues/1502
spells out the preliminary groundwork that has to be accomplished, before
you can layer it on top of Ignite (or redis, or whatever).
-- Ben
On Fri, Feb 2, 2018 at 2:50 AM, Linas Vepstas <linasveps...@gmail.com>
wrote:
Not sure why you say "moses" .. it would be "atomspace" to me.
Atomspace has been a kind-of graph database since forever, but there was
no
promotion of it as such on internet forums, and so no one ever heard of
it,
and things like spark/haddoop have taken over 99.99% of the mindshare
and
actual usage. What to do in that world? The atomspace still offers
some
neat ideas and concepts, that these other systems can't yet do ... but
its
only a matter of time. So I'd say: port the atomspace to these graph
db
systems.
--linas
On Thu, Feb 1, 2018 at 10:01 AM, Mark Waser <mark.wa...@gmail.com>
wrote:
https://www.oreilly.com/ideas/fishing-for-graphs-in-a-hadoop-data-lake
So . . . . who wants to port MOSES?
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