Forwarding to opencog as I forgot to reply-all.
-------- Forwarded Message --------
Subject: Re: New user [was Re: [opencog-dev] Problem in atom deletion
from postgreSQL
Date: Tue, 23 Mar 2021 07:15:10 +0200
From: Nil Geisweiller <[email protected]>
To: Michele Thiella <[email protected]>
Hi Michele,
I'm working on something that might be relevant to your work, see
https://github.com/opencog/rocca
https://github.com/singnet/rocca (mirror)
it's a WIP and advancing slowly due to myself being involved with other
projects, but it has IMO much potential, especially in term of
leveraging OpenCog reasoning capabilities, if that's what your into.
Nil
On 3/21/21 1:10 PM, Michele Thiella wrote:
You're right, I didn't introduce myself properly! I mentioned my plans
in response to one of the previous conversations but it was the wrong
place so it got lost.
Let's start again in the right way:
Hello everyone, I'm Michele Thiella from Italy (Padua).
I am about to graduate in Computer Engineering at the University of Padua.
I have always been passionate about artificial intelligence and, more
generally, about everything that has not yet been
invented/discovered/solved.
About 6 months ago I chose the path for my master's thesis: AGI. I
started reading around until I got to you and I was blown away.
I presented your work (roughly) to my Thesis Supervisors, trying to get
approval for a thesis involving OpenCog.
And here we are.
For my thesis the proposal would be to use OpenCog to do TAMP.
More precisely, using a simplified version of Sophia's architecture,
switching Blender with Ros and Sophia with a much simpler robot.
Leaving out the emotional sphere of the robot and aiming at the
resolution of objectives, perhaps achieving cooperation between robots
through a single knowledge base.
Or at least that was the idea.
I don't think I explained it the way I wanted but I hope it goes well.
Il giorno sabato 20 marzo 2021 alle 20:04:05 UTC+1 linas ha scritto:
So, out of curiosity, what are you using OpenCog for? What are you
attempting to do? You're new here, you should introduce yourself!
-- Linas
On Thu, Mar 11, 2021 at 12:42 PM Michele Thiella
<[email protected]> wrote:
You were right! After the pull everything works! It works so
well that it has kept the backwards-compat layer and it works
even without the exclamation mark haha
Regarding RockDB, I tried to install it but now I don't remember
at what point I stopped and why .. but I definitely had space
problems. Too bad because it inspired me a lot as storage,
anyway 50% slower is really a lot!
However (unfortunately) I have skills with postgresql so for now
I am satisfied, since everything works.
Thanks a lot for the answer! Good work!
Michele Thiella
Il giorno mercoledì 10 marzo 2021 alle 23:35:42 UTC+1 linas ha
scritto:
Hi Michele,
Just around the same time that you sent this message (or a
day before?) I spotted and fixed a problem with atom
deletion. So, please try rebuilding and reinstalling the
atomspace. (git pull; cd build; make -j; sudo make install)
-- let me know if that solves the problem.
Note also, the proper name is cog-delete! (with an
exclamation mark at the end) I may have removed the
backwards-compat layer that allowed it to work without the
exclamation mark..
Note also: there is a RocksDB backend too. It might be
easier to use (no config required). In some synthetic
benchmarks, its 2x or 3x faster than postgres. In the one
"real-life" app that I'm using, its 10%-50% slower. Go
figure. Anyway its at
https://github.com/opencog/atomspace-rocks
<https://github.com/opencog/atomspace-rocks>
(There is also a network server backend:
https://github.com/opencog/atomspace-cog
<https://github.com/opencog/atomspace-cog> ... the README
explains more)
-- Linas
On Mon, Mar 8, 2021 at 3:58 AM Michele Thiella
<[email protected]> wrote:
Goodmorning everyone,
i have a simple problem about deleting atoms in postgresql.
According to what I understand, to delete an atom saved
in postgres I should use:
(cog-delete (Concept "asdf"))
The command is successful, the atom is removed from the
atomspace but not from the postgresql database. Could
someone kindly tell me why?
The prostgresql backend should be configured correctly,
according to the guide on the wiki ... saving new atoms
in the database works.
Thanks in advance, I apologize for the inconvenience
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