Episodic Memory
A subset of the basic agent's generic memory is
episodic in nature. In other words, the agent records its experiences,
including both perceptions of the world and its own actions upon the world.
Because of these experiences, the agent is able to learn more about its specific environment,
though it already has complete world
knowledge. The reflective processes are
responsible for adding and removing experiences from the episodic memory.
The designers made an important decision to integrate the two types of
memory. This provides a uniform access
to knowledge, at least as far as the planner and
reasoner are concerned. Separate memories would require a screening of
every memory access to decide which module was being referenced. The basic
agent avoids this extra cost, but is still able to distinguish between the
two types of knowledge through tagging.
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