Database Reference
In-Depth Information
By using the same variables,
,and
K
, in the patterns for the current and the
next proplet, and by binding them to the values
know
,
Julia
,and
625
of the
input proplet
know
, the pattern for the next proplet provides the information
required for visiting the successor proplet, here
Julia
.
Finally consider a rule of an LA-speak grammar (see 7.4.3 for a detailed
definition). It is like an LA-think rule, except that it is extended to produce
appropriate word form surfaces by using the core value as well as the mor-
phosyntactic information of the
cat
and
sem
attributes. The following exam-
ple shows the LA-speak rule application underlying transition 2 in 3.3.3, which
navigates from the noun
Julia
back to the verb
know
, mapping the core value
of the goal proplet into the appropriate surface
know+s
.
α
,
β
3.4.3 LA-
SPEAK RULE APPLICATION
i.
rule name
ii.
rule package
NVs
{VNs}
iii.
current proplet
iv.
next proplet
output
⎡
⎣
⎤
⎦
⎡
⎣
⎤
⎦
noun:
α
cat:
γ
fnc:
β
prn: K
verb:
β
sem:
δ
arg:
α
Y
prn: K
rule level
know+s
⇑
⇒
⇒
lex(
βγδ
)
matching and binding of variables
⇑
⎡
⎣
⎤
⎦
⎡
⎣
⎤
⎦
noun: Julia
cat: nm
fnc: know
prn: 625
verb: know
sem: pres
arg: Julia John
prn: 625
Word Bank level
As in an LA-think grammar, the next proplet (here
know
) serves as input for
the next rule application(s). The difference between an LA-think and an LA-
speak rule is that the latter also produces a surface (here
know+s
), using a
variant of the
lex
function defined in NLC'06, 14.3.4. The resulting agent-
internal, modality-free surface is used as a blueprint (template) for one of the
agent's language synthesis components.
At the most basic level, inter-agent communication in natural language is
based on the Second Mechanism of Communication (MoC-2):
3.4.4 T
HE
S
ECOND
M
ECHANISM OF
C
OMMUNICATION
(M
O
C-2)
The external time-linear surface order is used for coding grammatical
relations proplet-internally (hear mode), while the grammatical rela-
tions coded proplet-internally are used for coding a time-linear surface
order externally (speak mode).
Extensive linguistic research, beginning with NEWCAT'86, has shown that
the decoding of grammatical relations from nothing but a time-linear sequence
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