Database Reference
In-Depth Information
communication mechanism has been implemented as a basic, high-level soft-
ware machine, it may be loaded with different languages and different contents
for different applications.
At the most general level, the DBS system requires the following constructs:
1.1.2 R
EQUIREMENTS OF A GROUNDED ARTIFICIAL AGENT
In order to be grounded, a cognitive agent requires a body with
1.
interfaces
for recognition and action, based on
2. a
data structure
for representing content,
3. a
database
for storing and retrieving content,
4. an
algorithm
for reading content into and out of the database as well as for processing
content, and combined into
5. a
software program
which models the cycle of natural language communication as well as lan-
guage and nonlanguage inferencing.
The interfaces for language as well as nonlanguage content must be suitable
for connecting to the recognition and action hardware of future robots when
they become available.
Until then, we have to make do with today's general-purpose computers. De-
spite their limitation to the keyboard for recognition and the screen for action
as their main interfaces, they allow us to run the language interpretation, the
language production, and the reasoning software. The computational imple-
mentation allows the researchers to observe the cognitive operations of the
artificial agent directly (tracing), which is of great heuristic value.
During natural language communication, the DBS system requires the fol-
lowing
conversions
into which all upscaling must be embedded:
1.1.3 T
HE
C
ONVERSION
U
NIVERSALS OF
DBS
1. From the agent's
speak
mode to its
hear
mode and back (Chap. 3),
2. from a
modality-free
to a
modality-dependent
representation of the surface
in the speak mode and back in the hear mode, in word form production
(synthesis) and recognition (Chap. 2),
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