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RT @dhart: OpenCog Foundation accepted for Google Summer of Code 2012 https://t.co/x0dulUrD #GSOC #OpenCog— March 17th via Twitter
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RT @ferrouswheel: On that note, the HK @opencog project is looking for developers: http://t.co/tAxsT5yD— October 22nd via Twitter
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RT @ferrouswheel: Amused to find out people are making predictions about whether @opencog will reach v1.0 in Dec 2012.— October 22nd via Twitter
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Videos of what we've been working on http://t.co/qATDqQR— August 4th via Twitter
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— May 29th via Youtube
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OpenCog Recap for May 2011: http://blog.opencog.org/2011/05/20/opencog-recap-may-2011/ #ai #machinelearning— May 20th via Twitter
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OpenCog now has Python bindings thanks to @ferrouswheel http://wiki.opencog.org/w/Python— May 16th via Twitter
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Author Archives: Joel Pitt
Spaced repetition and memory
An article in Wired from a while back on Piotr Wozniak (no relation to Steve), a researcher of optimal memory and learning strategies, got me thinking about learning theory and memorization in the context of OpenCog. From the article …
New importance spread system
Well, I’d noticed it’s been a while since we’ve had a post here and thought I’d rectify it with a brief note of what I’ve been up to. Posts of more substance are on their way I promise!
Recently we’ve …
Hopfield network example
As a toy problem for playing/testing/understanding attention allocation in OpenCog, I’ve been emulating the behaviour of a Hopfield network within the OpenCog AtomSpace.
For those not already aware, a Hopfield network is a kind of recurrent neural network that acts …
Posted in Development, Theory
Tagged AttentionAllocation, Example, HopfieldNetwork, OpenCog
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A week in Maryland
I’ve been spending the last week at Ben Goertzel’s place to discuss the work I’ve done on attention allocation and to get up to speed on Probabilistic Logic Networks (PLN). There was also an introduction to Relex and RelexToFrame …
Posted in Administravia, Development
Tagged AttentionAllocation, Brainstorm, Meeting, OpenCog
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Hebbian Links and Importance Spreading
This post will cover the HebbianLink, and two MindAgents, the ImportanceSpreadingAgent and the HebbianLearningAgent. The former agent spreads Short term importance (STI) along HebbianLinks, while the later updates the HebbianLink truth values.
Let’s look at the HebbianLink shall we?
There are …
Posted in Design, Development
Tagged AttentionAllocation, HebbianLinks, ImportanceSpreading, OpenCog
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Introducing the Importance Updating Agent
The ImportanceUpdatingAgent handles the exchange of currency between atoms. Every thought cycle It pays out wages in the form of Short Term Importance (STI) and Long Term Importance (LTI) to atoms that are currently in use, and also collects …
Economic Attention Allocation
My task for the past couple of months has been to implement code to manage attention allocation within OpenCog. This process of deciding which atoms in the system are important is useful for a number of reasons, such …