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ow us to deal e.g. with the case where an object was rapidly changing color. In the case where the polygons are coming from a simulation world like OpenSim, then from our positions as programmers and world-masters, we can see that what a PPNode is supposed to correspond to is a certain side of a certai
routines supplied to it by an external source (e.g. another AI system such as OpenCog) 2. Utilizing one of OpenCogPrime's cognitive processes (the "Fishgram" frequent subhyper- graph mining algorithm) to recognize patterns in sets of DeSTIN states, and then recording these patterns in OpenCogPrime's Atom
simulation world, which serves as a sort of "mind's eye." Any sufficiently flexible virtual world software may be used for this purpose, for example OpenSim (http: \opensim.org). Atoms encoding percepts may be drawn from memory and used to generate forms within the internal simulation world. These form
a greedy search, so it can quickly find many patterns. In contrast, algorithms like MOSES are designed to find a small number of the best patterns. Fishgram works by finding a set of objects that have links in common, so it will be most effective if the AtomSpace has a lot of raw data, with simple patter
search context. One way to achieve this goal would be to integrate a robot simulator with a virtual world or game engine, for instance to modify the OpenSim (opensimulator.org) virtual world to use the Gazebo (playerstage.sourceforge.net) robot simulator in place of its current physics engine. While tract
rations) Extension: In PLN, the extension of a node refers to the instances of the category that the node represents. In contrast is the intension. Fishgram (Frequent and Interesting Sub-hypergraph Mining): A pattern mining algorithm for identifying frequent and/or interesting sub-hypergraphs in the Atoms
Entities connected to both OpenSim and Fishgram
OpenCog
ORGANIZATIONMindAgents
PERSON
Marvin Minsky
PERSONTruthValues
ORGANIZATION
Marc Rich
PERSONPredicateNode
LOCATIONImplicationLinks
ORGANIZATIONPredicateNodes
ORGANIZATIONConceptNodes
ORGANIZATIONSimilarityLinks
ORGANIZATIONCogServer
ORGANIZATIONSchemallode
PERSONthe Webmind AI Engine
ORGANIZATIONScheduler
ORGANIZATIONFrameNet
ORGANIZATION
George W. Bush
PERSONCourtney Wild
PERSON
Joel Pitt
PERSON
Rui Liu
PERSONDeSTIN
ORGANIZATION