Dialogue Managemen in a Home Machine
En i onmen : Linguis ic Comp onen s o e an Agen
A chi ec u e
Jose F. Quesada, Fede ico Ga ca, Es he Sena, Jose Angel Be nal, Gab iel Amo es
G up o de In es igacion Julie a
Uni e sidad de Se illa
Abs ac
This pap e p esen s he main
cha ac e is ics o an Agen {based A chi-
ec u e o he design and implemen a-
ion o a Sp oken Dialogue Sys em. F om
a heo e ical p oin o iew, he sys em is
based on he In o ma ion S a e Up da e
app oach, in pa icula , he sys em aims
a he managemen o Na u al Command
Language Dialogue Mo es in a Home
Machine En i onmen . Sp ecically, he
pap e is o cused on he Na u al Lan-
guage Unde s anding and Dialogue Man-
agemen Agen s, and discusses hei in e-
g a ion o e a global agen a chi ec u e
(which includes Ac ion and Knowledge
Manage s, Sp eech Inpu /Ou pu comp o-
nen s and HomeSe up con olle s).
1
1 In oduc ion
Sp oken Dialogue Sys ems ha e b ecome one o
he mos p ominen esea ch a eas in Compu-
a ional Linguis ics. O e he las ew yea s,
se e al p o jec s all o e he wo ld ha e o-
cused on his opic. This pap e desc ib es he
main cha ac e is ics o a sp oken dialogue sys-
em aimed a he con ol o a ligh ning sce-
na io in a home machine en i onmen .
F om a unc ional p oin o iew, he sys em
may b e desc ib ed as a:

Sp oken Dialogue Sys em, which ac s as a
na u al language in e ace b e ween use s
and

Home De ices ins alled in a Home Ma-
chine En i onmen

designed and implemen ed o e an
Agen A chi ec u e (sp ecically,
1
This wo k has b een supp o ed by D'Homme (Di-
alogues in he Home Machine En i onmen ), EC
P o jec IST-2000-26280. The au ho s would like o
hanks he es o he p o jec pa ne s o hei com-
men s and sugges ions on he wo k.
OAA - Op en Agen A chi ec u e
[Ma in
e al
99]).
Sec ion 2 desc ib es he o e all a chi ec-
u e and agen s, mainly he HomeSe up,
KnowledgeManage , Ac ionManage , Tex -
To-Sp eech and Dialogue Manage Agen s.
One o he main goals o he Na u al Lan-
guage Unde s anding comp onen o he sys-
em is b o h o de ec he command and he
de ice ha he use wan s o con ol and o
se he le el o p e cen age ha he use sp ec-
ies a a p ecise momen . Fo ins ance, he
sen ence
"Se he ki chen ligh a le el 5"
,
mus be ans o med in o a seman ic ep e-
sen a ion, whe e he main ea u es will b e:

Command
:Se

De ice
: Ligh

Lo ca ion
: Ki chen

Le el
:5
Taking his in o ma ion as i s inpu , he
Dialogue Manage mus be able o de ec i
he seman ic s uc u e is:

Func ionally comple e (Which ligh do
you wan o u n on i you ha e jus e-
cei ed
"Swi ch on he ligh "
?)

P agma ically cohe en and echnically
p ossible (you canno swi ch on a do o ,
o ins ance).
Besides, he Dialogue Manage mus cla -
i y ambiguous exp essions, such as
"Swi ch
on he li ing oom ligh "
, when he e a e se -
e al ligh s in he li ing o om.
In o de o sol e hese p oblems, he Di-
alogue Manage is closely connec ed o b o h
he Na u al Language Unde s anding and he
Knowledge Manage mo dules.
Nex , we p esen he linguis ic comp onen s
o he a chi ec u e, ha is, he Na u al Lan-
guage Unde s anding and he Dialogue Man-
age Agen s. A his le el, i is wo h no ing
ha he sys em allows he ollowing unc ion-
ali y:

Na u al Command Languages

Exp ec a ions

Mul iple Commands

De aul In e p e a ion
A de ailed desc ip ion o he
ke nel o he Dialogue Manage
may be ound in [Quesada
e al
00,
Quesada, To e & Amo es 2000 ], including
he sp ecica ion language o he desc ip ion
o dialogue sys ems and he s a egies o he
implemen a ion o he p e ious unc ions,
mainly he manipula ion o exp ec a ions and
he use o de aul in e p e a ions.
Sec ion 3 desc ib es he Na u al Language
Unde s anding mo dule, paying sp ecial a en-
ion o he g amma ical le el: a unica ion{
based seman ic{o ien ed g amma sp ecica-
ion. The in e ace b e ween he Na u al Lan-
guage Unde anding and he Dialogue Man-
age agen s is based on he DTAC p o o col
([Amo es & Quesada 2000 ]). Sec ion 4 in-
cludes an in e es ing se o examples inco -
p o a ing o each example he DTAC ep-
esen a ion o he sen ence ob ained by he
g amma p esen ed in sec ion 3.
Finally, sec ion 5 highligh s one o he main
challenges o he sys em: o ob ain a na u-
al language in e ace o he Home Machine
En i onmen . This means ha a use mus
be able o ins all, plug o unplug, and con-
gu e new o p e ious de ices and o wo k
and alk wi h hem on he y. This sec ion
includes some examples which illus a es he
main unc ions supp o ed by he sys em so
a .
2 O e al l A chi ec u e and
Agen s
The sys em has b een implemen ed using he
Op en Agen A chi ec u e [Ma in
e al
99].
Figu e 1 illus a es he main agen s apa
om he Facili a o , he cen al agen in
cha ge o he communica ion be ween he
es o agen s.
Figu e 1: O e all agen a chi ec u e.

HomeSe up
: This agen isincha ge o
he simula ion o a Home Machine En i-
onmen . This agen mainly allows he
ins alla ion o new de ices and hei con-
gu a ion. As pa o he congu a ion
he use may ins an ia e he se o de-
sc ip o s ela ed o he de ice.

KnowledgeManage
: This agen con-
ains b o h he s a ic (s uc u e o he
house, gene al on ology, ...) and dy-
namic (ins alla ion, congu a ion and
s a us o he de ices) knowledge in-
ol ed in he ask.

Ac ionManage
: The cu en de ices
will supp o he ac ual unc ionali y o
he sys em. This unc ionali y ( u n
on/o he de ice, ask he cu en s a us,
change he le el o a dimme able de ice,
...) mus b e accessed h ough he Home-
Se up agen , in cha ge o he simula ion
and moni o ing o he scena io. Ne e -
heless he de ices inco p o a e p imi i e
unc ions o he sys em. The Ac ion-
Manage inco p o a es new highe le el
unc ionali y ha will b e ansla ed in o
sequences o p imi i e ac ions.

Tex - o-Sp eech
: In cha ge o he gen-
e a ion o he sp eech ou pu . In o de
o do so we ha e de elop ed an OAA-
w app e o Fes i al, allowing in his way
he use o his sys em as pa o he gen-
e al a chi ec u e.

Dialogue Managemen
: This agen
includes he Use In e ace (which con-
ols a a high le el he communica ion
wi h he use ), he Pa se , he Seman-
ic In e p e e and he Dialogue Man-
age comp onen s.
The Knowledge Manage is in cha ge o
s o ing and o ganizing he in o ma ion e-
la ed o he de ices ins alled in he house
ega ding ubica ion, cha ac e is ics and e-
la ions wi h o he de ices. The app oach
adop ed o o ganizing his in o ma ion is
based on he con o ma ion o a seman ic ne -
wo k. The p op e ies o his ne wo k a e:

No des o ganized in a
g aph
op ology

Non- di ec ed connec ions be ween
no des.

Non- conexed.

Non- cyclical.

Pa en -child ela ion dened in each
conec ion b e ween no des.
Each no de con ains a lis o comp onen s.
A comp onen consis s o a pai o s ings: a
lab el and a alue. We can desc ib e he eby
he s uc u e o he ne wo k as ha ing wo
ela ions:

A comp onen b elongs o a no de.
componen  node

A no de includes o he no de.
node
1

node
2
e.i.
node
1 is pa en o
node
2.
Le see an example o seman ic ne wo k:
g ound < indoo s
g ound < ou doo s
indoo s < ki chen
indoo s < den
indoo s < co ido
indoo s < li ing_ oom
ou doo s < on
ou doo s < back
whe e he symbol

is ep esen ed by
<
. The
gu e 2 ep esen s he g aph con o ming he
ne wo k sp ecied.
Figu e 2: G aph ep esen a ion o a seman ic
ne wo k example.
3 Na u al Language
Unde s anding
Dialogue sys ems enable use s o in e ac
wi h compu e sys ems ia na u al and in-
elligen dialogues, as hey would wi h hu-
man agen s. De elopmen o such sys ems
equi es a wide ange o sp eech and language
echnologies, including na u al language and
dialogue p o cessing, o de e mine he mean-
ings and in en ions o he u e ances and o
gene a e a ex - o- ex in e ac ion be ween
he use and he sys em.
As ega ds his do cumen , wha we ha e
done is o de elop an in e ace o b o h En-
glish and Spanish o he sp ecica ion o di -
e en unc ions in an in elligen house sce-
na io. In o de o do so, we ha e made use
o Na u al Command Languages. Na u al
Command Languages comp ise he se o in-
pu and ou pu na u al language exp essions
which a e accep able in a gi en applica ion
domain. The mos ou s anding cha ac e -
is ics o hese NCLs a e he use o na u al
language o cabula y and syn ac ic s uc u e.
Also, NCLs eec na u al syn ac ic o de
and mo e p ecisely he pa e ns o sp oken
language. In ac , hey a e a sub-language,
wi h easonably clea b ounda ies bu also
one in which new unc ionali y can b e added
wi hou al e ing he s uc u al p op e ies o
he language.
Nex subsec ion p esen s he main ules o
he unica ion- based g amma ha has b een
implemen ed. A his le el i is wo h no ing
ha he g amma inco p o a es Non{ e minal
ypica ion, and includes ules o cons uc
a Na u al Command Language Dialogue ep-
esen a ion mo del, based on Dialogue Mo es
whe e DMOVE ep esen s he dialogue mo e
i sel [Amo es & Quesada 2000 ], TYPE he
sp ecic yp e o dialogue mo e, ARGS he
unc ional sub ca ego iza ion mo del o he
yp e o dialogue mo e and CONT he ac ual
con en s o e minal s uc u es.
3.1 Unica ion{based and
Seman ic{o ien ed G amma
Roo sO G amma :
// Pa ame e s
Value
De ice
// Commands
Command
This is a congu a ion pa ame e used by
he pa se , in ac , i is he only one ha he
pa se uses. On he o he hand, he unie
is he one in cha ge o he es o he pa am-
e e s. By means o hese Ro o so G amma ,
all g amma symb ols ha may b e ea ed as
o o s a e sp ecied. This in u n le us ha e
g amma s wi h se e al o o symb ols.
NonTe minalTypes:
// Pa ame e s
De ice =
(DMOVE: speci yPa ame e ,
TYPE: De ice)
Numbe =
(DMOVE: speci yPa ame e ,
TYPE: Value,
SUBTYPE: Numbe )
Le el =
(DMOVE: speci yPa ame e ,
TYPE: Value,
SUBTYPE: Le el)
Pe cen age =
(DMOVE: speci yPa ame e ,
TYPE: Value,
SUBTYPE: Pe cen age)
// Commands
CommandOn =
(DMOVE: speci yCommand,
TYPE: CommandOn,
ARGS: [De ice])
CommandO =
(DMOVE: speci yCommand,
TYPE: CommandO ,
ARGS: [De ice])
CommandIs =
(DMOVE: speci yCommand,
TYPE: CommandIS ,
ARGS: [De ice])
CommandSe =
(DMOVE: speci yCommand,
TYPE: CommandSe ,
ARGS: [De ice,Value])
CommandInc =
(DMOVE: speci yCommand,
TYPE: CommandInc,
ARGS: [De ice,Value])
CommandDec =
(DMOVE: speci yCommand,
TYPE: CommandDec,
ARGS: [De ice,Value])
AskHelp =
(DMOVE: askHelp,
TYPE: AskHelp)
Qui =
(DMOVE: qui ,
TYPE: Qui )
Unde he lab el NonTe minalTyp es, we
ha e b o h pa ame e s and commands. Bo h
yp es will b e he ones ha will app ea in he
DTAC s uc u es ha he Dialogue Manage
will ake as i s inpu . This can be clea ly
no iced in sec ion 4. As ega ds pa ame-
e s, he e a e ou , namely de ice, p e cen -
age, numb e and le el. The lab el de ice may
s and o wo ds such as ki chen", he lab el
numbe s ands o a plain numbe such as
5", and he wo d le el along wi h p e cen -
age, indica e ei he a le el such as a le el
5", o a p e cen age such as o 25 p e cen " e-
sp ec i ely. These pa ame e s will b e ins an i-
a ed as he a gumen s o he commands, bu
hey will b e enclosed unde he lab el alue",
ha is, his alue oge he wi h he de ice,
will be wha will ac ually app ea as he a -
gumen o he command. The e o e, p e cen -
age, numb e and le el will b e alue sub yp es.
Weha e c ea ed his cons uc o a oid ambi-
gui ies in b o h he g amma and he seman ic
ep esen a ion. Commands a e di ided in o
eigh yp es. The  s g oup o commands
(CommandOn, CommandO, and Comman-
dIs ) akes a de ice as i s a gumen . A his
p oin , he use may ask he sys em o swi ch
on a ligh , o swi ch i o, o he may jus b e
asking o he s a us o a ligh . The second
se o commands a e he ones used wi h dim-
me able de ices, he e o e hey ake a de ice
plus a alue. They a e used o se a ligh a
any le el, p e cen age o numb e , o inc ease
i , o o dec ease i . The hi d se consis s o
wo commands, one o hem o asking help,
and he o he one o qui ing he sys em. As
i can be no iced b elow, he do no equi e
any pa ame e s.
/////////// PARAMETERS
(A100 : AuxDe ice -> LAuxDe ice)
@up = @sel -1;
g
(A101 : AuxDe ice -> AuxDe ice LAuxDe ice)
@up = @sel -2;
g
(P100 : De ice -> LKeyDe ice )
@up = @sel -1;
g
(P102 : De ice ->AuxDe ice LKeyDe ice )
@up = @sel -2;
g
(L100 : AuxPe c -> LAuxPe c )
@up = @sel -1;
g
(L101 : AuxLe el -> LAuxLe el)
@up = @sel -1;
g
(L102 : Numbe -> LNumbe )
@up = @sel -1;
g
(L104 : Le el -> AuxLe el LNumbe )
@up = @sel -2;
g
(L105 : Le el -> LNumbe AuxLe el )
@up = @sel -1;
g
(L106 : Pe cen age -> LNumbe AuxPe c )
@up = @sel -1;
g
(L107 : Pe cen age -> AuxPe c LNumbe )
@up = @sel -2;
g
(L110 : Value -> Numbe )
@up = @sel -1;
g
(L111 : Value -> Le el )
@up = @sel -1;
g
(L112 : Value -> Pe cen age )
@up = @sel -1;
g
(L120 : A gs -> De ice )
@up.De ice = @sel -1;
g
(L121 : A gs -> Value )
@up.Value = @sel -1;
g
In his pa o he g amma , we can see he
ules wi h he unc ional equa ions asso cia ed
o hem. All o hem a e pa ame e ules.
Wo ds b eginning wi h L a e e minal ca -
ego ies. Fo ins ance: LAuxDe ice, LAux-
Pe c,LNumb e ,LKeyDe ice. We ha e wo ds
such as le el", p e cen age" and ligh ",
which b elong o he co esp onding ca ego ies
AuxLe el", AuxPe cen age" and AuxDe-
ice". Also, as de ice is a non- e minal yp e,
LkeyDe ice" is he lexical ca ego y s anding
o wo ds such as ki chen". An A gs can b e
ei he a alue o a de ice, and a alue can b e
ei he a le el o a p e cen age. The c ea ion
o hese cons uc s and he way in which he
ules ha e b een implemen ed, allows us b o h
o ha e any kind o wo d o de and o a oid
g amma ical ambigui y.
/////////// COMMANDS
(C200 : CommandOn -> LCommandOn)
@up = @sel -1;
g
(C201 : CommandO -> LCommandO )
@up = @sel -1;
g
(C213 : CommandIs -> LAuxIs B)
@up.TYPE =a CommandIS ;
g
(C214 : CommandIs -> LAuxIs A LAuxIs B)
@up.TYPE =a CommandIS ;
g
(C215 : CommandIs -> LAuxIs B LAuxIs C)
@up.TYPE =a CommandIS ;
g
(C202 : CommandSe -> LCommandSe )
@up = @sel -1;
g
(C203 : CommandInc -> LCommandInc)
@up = @sel -1;
g
(C204 : CommandDec -> LCommandDec)
@up = @sel -1;
g
(C211 : XCommand -> CommandO )
@up = @sel -1;
g
(C212 : XCommand -> CommandIs )
@up = @sel -1;
g
(C213 : XCommand -> CommandOn )
@up = @sel -1;
g
(C220 : XCommand -> CommandSe )
@up = @sel -1;
g
(C221 : XCommand -> CommandInc )
@up = @sel -1;
g
(C222 : XCommand -> CommandDec )
@up = @sel -1;
g
(C223 : Command -> XCommand )
@up = @sel -1;
g
(C224 : Command -> XCommand A gs)
@up = @sel -1;
@up = @sel -2;
g
The way in which he command ules ha e
b een a anged allows us o ha e any combi-
na ion o wo ds, no ma e he o de in which
hey a e ei he said o yp ed. This is a c u-
cial p oin , sp ecially i we ha e in o accoun
ha his is in ended o be sp oken, and sp o-
ken language is by no means p edic able o
xed as ega ds wo d o de . I we s a om
he lexical ca ego ies, which a e he ones b e-
ginning wi h L, we ge he Command*. The
* s ands o On, O,Se , Inc, Dec. As we
can no ice, all hese a e commands wi h a gu-
men s and hey can b e o he same yp e as he
ab o emen ioned pa ame e s.They can b e de-
sc ib ed as sp ecic commands. We may ha e
any combina ion o wo ds, sp ecically when
he use wan s o ask o he s a us o a ligh .
He may simply say Es ado de la co cina",
o en que es ado se encuen a la co cina".In
he la e , he wo keywo ds would be es-
ado" and encuen a", and in he o me ,
he keywo d would b e would b e es ado". All
he Command* a e XCommands. These a e
commands wi hou a gumen s. Finally, he
XCommand is inse ed wi hin a mo e gene al
command which is jus a Command.
/////////// ERROR REPAIR
(N001 : Command -> Command No A gs)
@up = @sel -1;
@i (@sel -3.De ice) @ hen
@up.Repai edDe ice = @sel -1.De ice;
@up.De ice =a @sel -3.De ice;
g
@i (@sel -3.Value) @ hen
@up.Repai edValue = @sel -1.Value;
@up.Value =a @sel -3.Value;
g
g
(N002 : Command -> Command No Command)
@up = @sel -3;
@i (!(@sel -3.De ice) &&
(@sel -1.De ice)) @ hen
@up.De ice = @sel -1.De ice;
g
@i (!(@sel -3.Value) &&
(@sel -1.Value)) @ hen
@up.Value = @sel -1.Value;
g
@up.Repai edCommand = @sel -1;
g
These ules a e used when he use makes
an e o and he inmedia ely co ec s himsel .
He may b e epai ing an a gumen whichmay

b e a le el, p e cen age, o a de ice, he maybe
changing he command, ha is o say,hemay
be asking he sys em o u n o he ki chen
ligh when he has jus ealized ha ha ligh
is al eady o, and he may be changing b o h
he command and he a gumen . This is
clea ly exemplied in sec ion 4, in examples
4, 5 and 6. In numb e 4, he use is changing
he command, in numbe 5, he is changing
b o h he de ice and he alue, and in num-
be 6, he is epai ing he command and he
alue.
4 Seman ic ep esen a ion o dialogue mo es
Nex , we p esen some examples which illus a e he use o he p e ious g amma . These esul s
ha e b een ob ained wi h he Epis eme NLP o ol ([Quesada & Amo es 2000 ]).
The goal o his sec ion is o illus a e he gene ali y and simplici y o he ep esen a ion
o malism wi h a wide ange o phenomena: incomple e commands, commands wi h die en
a gumen s, die en yp es o a gumen s (numb e s, desc ip o s, ...) and e o epai s, b o h o
commands and pa ame e s:
1.
Tu n on
2
4
DM OV E
:
speci y C ommand
TY PE
:
S w dC ommandO n
ARGS
: [
S w dD e ice
]
3
5
2.
Tu n on he ki chen ligh
2
6
6
6
6
6
6
6
6
4
DM OV E
: :
speci y C ommand
TY PE
: :
S w dC ommandO n
ARGS
: [
S w dD e ice
]
CON T
:
S w dD e ice
:
2
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dD e ice
CON T
:
k i chen
3
5
3
7
7
7
7
7
7
7
7
5
3.
Dim he ki chen ligh down o 25 p e cen
2
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
4
DM OV E
:
speci y C ommand
TY PE
:
S w dC ommandD ec
ARGS
: [
S w dD e ice
]
;
[
S w dV al ue
]
CON T
:
S w dD e ice
:
2
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dD e ice
CON T
:
k i chen
3
5
S w dV alue
:
2
6
6
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dV alue
CON T
: 25
SU BT Y P E
:
S w dP e cen ag e
3
7
7
5
3
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
5
4.
Inc ease he ki chen lamp no no dec ease i
2
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
4
DM OV E
:
speci y C ommand
TY PE
:
S w dC ommandD ec
ARGS
: [
S w dD e ice
]
;
[
S w dV al ue
]
CON T
:
S w dD e ice
:
2
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dD e ice
CON T
:
K i chen
3
5
E o C ommand
:
2
6
6
6
6
6
6
6
6
4
DM OV E
:
speci y C ommand
TY PE
:
S w dC ommandI nc
ARGS
: [
S w dD e ice
]
;
[
S w dV al ue
]
CON T
:
S w dD e ice
:
2
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dD e ice
CON T
:
K i chen
3
5
3
7
7
7
7
7
7
7
7
5
3
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
5
5.
Inc ease he lamp in he ki chen o le el 10 no no no he ligh in he dinning
o om o 25 p e cen
2
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
4
DM OV E
:
speci y C ommand
TY PE
:
S w dC ommandI nc
ARGS
: [
S w dD e ice
]
;
[
S w dV al ue
]
CON T
:
S w dD e ice
:
2
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dD e ice
CON T
:
l i ing
oom
3
5
S w dV alue
:
2
6
6
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dV alue
CON T
: 25
SU BT Y P E
:
S w dP e cen ag e
3
7
7
5
E o S wdDe ice
:
2
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dD e ice
CON T
:
K i chen
3
5
E o S wdV alue
:
2
6
6
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dV alue
CON T
: 10
SU BT Y P E
:
S w dLe el
3
7
7
5
3
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
5
6.
Se he ligh in he ki chen a le el 5 no no no inc ease i o 25 p e cen .
2
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
4
DM OV E
:
speci y C ommand
TY PE
:
S w dC ommandI nc
ARGS
: [
S w dD e ice
]
;
[
S w dV al ue
]
CON T
:
S w dV alue
:
2
6
6
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dV alue
CON T
: 25
SU BT Y P E
:
S w dP e cen ag e
3
7
7
5
S w dD e ice
:
2
4
DM OV E
:
speci y P a ame e ;
TY PE
:
S w dD e ice
CON T
:
k i chen
3
5
E o C ommand
:
2
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
4
DM OV E
:
speci y C ommand;
TY PE
:
S w dC ommandS e
ARGS
: [
S w dD e ice; S w dV al ue
]
CON T
:
S w dD e ice
:
2
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dD e ice
CON T
:
k i chen
3
5
S w dV alue
:
2
6
6
4
DM OV E
:
speci y P a ame e
TY PE
:
S w dV alue
CON T
: 5
SU BT Y P E
:
S w dLe el
3
7
7
5
3
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
5
3
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
5
5 Na u al Language Dialogues
Finally, we p esen some dialogue examples
which illus a e he main unc ions o he sys-
em om a linguis ic p oin o iew:
5.1 Na u al Command Languages
and Exp ec a ions
Scena io: Two ligh s: one in he ki chen and
he o he in he co ido . Bo h a e u nedo
a he beginning
Dialogue 1

Use : Tu n on.

Sys em: Wha de ice would you like o
u n on?

U: The ki chen ligh .

S: The ligh in he ki chen has jus b een
u ned on.
In his example, he sys em de ec s ha
in o de o u n on a de ice, he use
mus supply he desc ip o o he ac ual
de ice. This unc ionali y is implemen ed
as a exp ec a ion o he dialogue manage
([Quesada, To e & Amo es 2000 ]).
5.2 Mul iple Commands
Dialogue 2

U: Tu n o he ki chen and swi ch he
co ido on.

S: The ligh in he ki chen has jus b een
u ned o.

S: The ligh in he co ido has jus b een
u ned on.
Al hough he ou pu gene a ed by he sys-
em mus be imp o ed in o de o ob ain
jus one sen ence, his example illus a es one
o he mos complex phenomena in dialogue
managemen : he use asks he sys em o ex-
ecu e se e al commands in one u e ance.
5.3 Exp ec a ions, p e ious
commands and de aul
in e p e a ion
Dialogue 3

U: Tu n on he co ido .

S: The ligh in he co ido is al eady on.

U: So y, he ki chen ligh .

S: The ligh in he ki chen has jus b een
u ned on.
This example shows he in eg a ion o he
dialogue manage wi h he knowledge man-
age , which has de ec ed ha he co ido
ligh was al eady on. Besides, he example il-
lus a es an ambi ious dialogue s a egy: he
de aul in e p e a ion o a pa ame e as pa
o a p e ious command. In his scena io, he
sp ecica ion o he pa ame e is analised as
an exp ec a ion o he p e ious command.
5.4 Plug & Play
Dialogue 4

U: Wha is he cu en s a e o he li ing
o om ligh ?

S: The ligh in he li ing o om is no
a ailable a he momen .

Using he HomeSe up Agen , he use in-
s al ls, congu es and plugs a new ligh a
he li ing oom.

U: Now, u n he li ing o om on.

S: The ligh in he li ing o om has jus
b een u ned on.
Taking in o accoun ha he 4 p e ious
sub dialogues b elong in ac o jus one di-
alogue ob ained om he eal sys em, i is
wo h no ing he abili y o supp o plug &
play capabili ies wi hou es a ing he dia-
logue manage no he es o agen s.
6 Conclusion
A dialogue sys em designed o supp o na u-
al and exible dialogues in ended o con ol
a ligh ning sys em in a home machine en i-
onmen has b een p esen ed. The pap e has
concen a ed on he linguis ic comp onen s o
he agen {based a chi ec u e: he g amma
and he seman ic ep esen a ion o complex
sen ences. A se o dialogue examples illus-
a ing he linguis ic capabili ies o he sys-
em ha e b een p esen ed and desc ib ed.
Re e ences
[Amo es and Quesada 1997] Amo es, J.G.
and J.F. Quesada. 1997. Epis eme.
P ocesamien o del Lenguaje Na u al
21
.
pp. 1-16.
[Amo es & Quesada 2000] Amo es, J. G.,
Quesada, J. F. 2000.
Dialogue Mo es in
Na u al Command Languages.
Deli e able
1.1. Si idus p o jec .