• Aucun résultat trouvé

Scripting Mobile Agents to Support Cooperative Work in the 21st Century

N/A
N/A
Protected

Academic year: 2022

Partager "Scripting Mobile Agents to Support Cooperative Work in the 21st Century"

Copied!
10
0
0

Texte intégral

(1)

Scripting Mobile Agents to Support Cooperative Work in the 21st Century

Seng Wai Loke

CRC for Enterprise Distributed Systems Technology

Monash University, Caulfield VIC 3145, Australia

swloke@dstc.monash.edu.au

Arkady Zaslavsky, Brian Yap, Joseph Fonseka

School of Computer Science and Software Engineering

Monash University, Caulfield VIC 3145, Australia

Arkady.Zaslavsky@monash.edu.au, brian11@hotmail.com,

ruki@mbox.com.au

ABSTRACT

! "# $%"&'

(

" )" *+ ,- . " / 0"/,&

1

"23546

(

1

- ,.7589 :;/$*

1

$09 2<="

*>$?@")

1

A

1

9A",. " B C D$&E

9 2<F"?G ,F" E HI" *;J5")K

1

;,3

46L&,ENMO5PNQRHIMO9 :;+PNQS,$JF$&0

1

$TU* "T"" T"?E-9 ;,3D46A "!O'

VS,&$'

1

&S?W9 O$S.&.A?@"G$K

MX5PNQY$&ZL*" &!,+4%*&'[* \))&'

9 :" ] ^O9 :_" &B &"# $

1

8`A?@"B)

1

"2,a"

1

ZG 9 N",ZL b&?@")+ :" c $Z

46V "S"=)" *C ,=?@"d*&N " d"

(

<;& ). ;T?@").e f",

(

C" ))-8Z5 %

"L . " 3

1. INTRODUCTION

g"-*_O*&.% . "ZF

(

" " e"?NO'

*.A")&U :9 )C

(

G9 2#C"UG"&

"?d)" *S ,Uhi.jk3l!"*0 ,>. m*L 9! >"?n'

1

G")" <

1

9A"8C"

1 (

" 8" oZ,O$.oZ "

(

8.B B)"

(

N?W" )p"D" O" "V"?n")p")A'

9 :"3rqS"UsOOm"<_*&")9 :" LO9 :eH@"e

$K&<$JV *D9 "m?n")t" OG"A" O.3CPL>;,$.Z)"O

"?5S . " G)" *U ,>

(

L*B.+?@"G. m*

&" S! 09 &"

1

.;THI 3&3Z&uLvVwV9J$3FxL"

1 (

$.Z)"'

*- ,D. _"S" ;!*-.!?@"

1

:DuLvVwVL

(

0*

.-?n"C*E "U"yzV S<)-*d"?o

(

,9 Gh{j$ F'

&"m"?=*

1

&+|. " m*,;A)"

(

0" )9 "+"

1

CV 9 >Z:." 00"9 ,")" U)E"?<9 2<

*,;!. W :+)/},$HI 33N"B :9 * 9JNT

,.ZNK&"9 :" ]"?D" )9 " G"m*,;`)"

(

" )&9 " +"/W&S" &Z +aK&*D&;& )S&".;<'

)<F"?z" )",F*,;/)"

(

S"<UHIG <$J5"

1

$; :>.- E.&.o35g"E)"*

(

"),Z ,

. b*+ 9.6"?n")Y9 2<

1

8" -)+ ,9 T

K&

(

_ *

1

!$

1

"2`" " o3~uN<

1

"2f 0*6"A)" *+ ,U?@"-?@ )-"?N 8'

. :"B` . %"?/wV" )m<".`wV" *"9 :

(

4%"2_H[w>wC4rJ$Z& +'€V>&

1

"2,a"

1

Z&‚A,

:9 * },;&&Z

(

8 N<$ZG8;^9 `)+ '

),.Zo :9 F" )B"

(

D

1

"2#f&2," Zƒ

"/ " 0Hk€>„w…"L€>„€>JUHI 33Zth†jd ‡h8ˆ‰jnJ$3

PLƒ

(

" ),o"?O*DO;O)o9" " ;U"<<Z

1

+"AW :.69" " 0) $

1

"2

!S,N m?n"GS?n& Š

‹eŒ-=ŽƒŽ&9‘/’“”Ž•bŽ&oŽ<“:–5“—@˜Ž

ŠC0")9 :" ƒ&'

?n9 O"?G,/ 6*- :+*" )A'

8;. 8;_

( (

0 " 9 8;TO8'

*o3ƒqS"<5. /*V"?

(

X;0"?&

(

1

8

1

W&8;

(

:;))";,Z5wvF™t.e %" $

(

8X;,3_wV" &'

(

8X;. G,&L A

(

$" V<$'

U*" :3

‹ešm›ƒ=œ6—nžSœ•m=’ožDŸ=—n“:. ƒœ¡ž ’z6T 5=—n.—nŽ&˜>’ŸŽ<“‘A—n“:Ž•

œ5•~‘A—n“:Ž¡WŽ˜.˜Ž&zŸ=—W“’dfŽ&o˜

Š0PLT,A %*

","8;

(

1

. V D" ))8X;

1

$A E. V*" &'

ZU e" `8?@T) ZL ] e. :_&" 3¢MXc$'

,A;,. :Z

1

_

1

e T"8?n9 " \"?U& 8'

9 E" ))-8D?n").f 6",+

(

8 8;T# 9<'

U"?" 9 . C",. 8X;T"0._*<;" 9 8'

. E",. 8X;,3!&$T"))8D) ,0

(

"

(

B)+

"-& <)-*0"?N" ZF. e O/?n" )£

(

$9 V'

" &C"0;,. :Z& ) ,V

(

N*" :C :9

?n.},<8;,3L4]8f*},8" S")m _$

1

"2,'

Z

1

:

1

8¤ƒPLqLU T4TPLqLD"?

(

:;&'

%9 < 8B" %"+" 8;`" )*

" )'["<"/

1

"2#./ E /)-*.&'

.TO;O)3<9

1

8/$"" - *

1

8'

(

8 "))8Sh¥:jz"/*L?@").+ ,;<)S

,;

1

3¦4%

1

Uf. .7 1

8¤ƒPLq-ZC

" )7 1

m¤ƒPLq/Zd!"‚ 7 1

8B¤=PNq-ZE

*;," cMX,! ?@ZDO9 &9 ,"]*f"yz

1

"2T

(

(

!8

1

8A¤=PLqL3_B" &'

_<$A

1

9^O9 &9 ,-W&A"%"?W'

?@-8 A?@")+ " ^ 34]8" &'

(2)

(

sOO+?@"B!"<c"?D_

(

,.3…MX\ 8" ƒZN€C'

","+

1

"2<©C *V A",

1

8

1

"2<C"

*A?@").BsXO

1

%

(

9 V)"*

(

/ :B"

" m"A 9!".3V&$m¤=PNqS*" )U ) "

"DsOOB

1

b <*" &","<Z " *

(

8

"))8S " )+ 2 Zo*D "m"

sO"cHI"U?n")BJS +)"9 :;T f",A"))8X;!"mK<'

9 D"NL" &3l ,;+"?d$! 89 ƒ")A'

)8A :!9 :9 .b*,;%8A&;& );cHI 3&3Z

))-*¨ …" &

1

8~)ª. §9

9 8;J$3ewV"))8/)

(

-. ^*+?@")%"

"

(

.m9 8;,Z B". "

(

8;B "L")A'

)83o4]8U9

1

"2D" ))-Z" )o&'

"T","9

( 1

"2_" f ,;

1

,;<) Z,"C" O9 .

1

8

1

V"?ƒ"‚Z<"

1

"2<A"3

‹e«LŽ<Ž<“+’e–FŽ<Ž&“Bž ’f–d =.—n=¬

ŠGv5$N"N" )#­

C,;A*

(

+)&" C <"B*,;-$&'

"" OZG*ZG ^

1

93cv5+'

1

"2<U

(

")"D", d?@"0"

(

W&!$‚,

w>wC4

(

8$,9 $"e*,;f*,;&

" ,N"?d" ," ƒ !,9 |. :"_"?5U

(

.3

MXcB"e)"<&IZN. 9]! + )

. *8;6 _" *;,3™L2#0,0

(

)"<kZE")). "eO;))$+ ^

>*" /<N B -

(

.3Ev5G :D"G$K9

")$A" &B `

(

*,;b&BK&$ Z

I3 3dVE D&,9 |. :" +

1

;/?n" )R.

(

;&'

1

,

(

$G".}, 8'

1

,L3

M-F .Z

1

>,"<G SSW N &"# $"

&

(

"U)"*> , . :"E>,& Z,

",

(

8 #" ))-Z Uƒ"Gd")&3ƒMXD

$& &"# 9\h®:j[Z= m$&! U._"m

" )" ,5" E"U )*G A . :"A9 F

&" 9 )) . :" ?n")t9 9ƒ3EM!"<9 O

1

)9 :

(

_O;&O)¯"9 ))6 fHI 33ZSwLZ>°#

(

&Z

$:J

1

9

1

m.%?n"A*T 9 _O&-

"8)B?W" )±9 9ƒZG$&e ! T.

?n">" /")" <E" .3ES" )" ,V :

)."A 8. <;m$KO.Z B)<*S"9 )).m"

")"BO;&O)‡&" 9 ))_ 3\Pt&f '

U"

(

C9 m " _&

(

"),> B S;&8'

8;!X;&>"-)?W;mD"A"?F" )",3

²

&> D>* .+" BN" G"?=S ,

8$9 ;,3_PN% ,.7-8$9 ;e&*

1

9e "!HI"

9 2<9JC N"0*L?n").

1

+ B :

1

9+",. " fHI 33

1

$" O$J$Z,I3 3E + ,.7E9 ; EG " C"?

,+` bHI"*8;J" )K

1

;

1

. $` "c

",. :" %) ,S

(

"

(

")K "8)0 T :9 BO'

&3E<&" *)d89 *?n"F$&D N '

&"# $6 " A"?> m! &

1

-" )K&;

L0" "Zo !"*)N89 */?n"S0O;O)

&" 9 ))+ + " 96 :-"

1

-")A'

K&;T/6A ") % 9 !OZ

1

B " &

0 "# $!"?F W U?@"NS9 ;

AO;&O)³" 9 )) -?@"U " 3SS "

© &D,oŠ´´

1>1>1

3*","o3" )

­ &D,oŠ´´ 3"8;&.3")B´„

"9 ))eT)" *8X;] !"? , 6 *&'

O9 $.+

1

;?n")¢"<L9 C)),LG" )9 '

" G0 ,L :D"A?n")t" !" O3

PLT"" .§ph8ˆˆjkZ+ c]W `" W¨" 8;

)+ 9A "?A"*)µ6"9U"))|/

O-O9 0*

1

mU8¶. " _"?dU&" *)

G)),9 :"A"?zN"" oZ,*,;/80

"OD." D _. :0"9 ))$S&"<$

(

8X;,3

²

89 :;`$&6 _"

(

W& T +

(

G"?D *&'

O9 $"ƒZ# 0"")-;U"?K&"/?n"F)"*;U*

(

" &.Š

>&" 9 ))EK&C*

(

"E9 ·X)"

(

<V¸

"/ V¹ B$?@")p " mº<»-m /)S8>$

)+

1

" &>S&G"?ƒLO;,9 :K+"?F 0?@z"9 )A'

)A 3

²

L " 9"S"8;!"9 L0"?

")" <-HI)),+ " 9J$Zo?@"UK ) Zz6&yz$'

,A8$9 Z* "f?@ 89 +<8¶. " b %

"?E S_)" *8X;!*

(

" &.3SPN"Zz0089 :;

"

(

0 +*89z7U$;,

(

1

"?V)"*A ,/ . "ƒZ

S9 ;mW 0 *G &'[

(

o"?

D " "A*D,.z3

MXL?@""

1

" ƒZ

1

L¶O,G 0"& ƒ :$8'

&0"?E _<$'

1

/&?n9 O&/"

(

$

1

9_)"'

*- <S. _"# )3D%¼9{&Z

1

-<L" &D89 :;

UW Z< +¼½Z,&,FK )E"?,&

. "/.6%"0 ZE T" -)" *

,/?n"Aw>wC4¾^ 6",

(

8 E" ))-80 6$

"A$L" )&3=4%U"&DT¼i,3

2. A CONCEPTUAL ARCHITECTURE OF MOBILE AGENTS IN THE ENTERPRISE

€V -MO5PNQ§L

(

"

(

0)" *- ,Zz ,&$'

1

D&?n9 OS>.&.+"-K&&SMO=PLQr>yz$'

(

8;f 6?n8;,3!l!" *B ,0

1

8e ,-

(

"9 )

1

9

1

+. V¿ÀÁ#Â9Ã$ÄS /

(

B ,- fK<'

&)3c

1

"eW +) ,+*"\ )"m&yz$'

,m)+ 9 3R4c… :_ % ZU … ,. r&

"D S0 3DPN,/G"B*/.},.

1

8b

1

"2f"?N A,?I .%""-""

" :D ,S |/U" &AHI3&3Zo B 9 * .J

\,9

1

8c"eHI 33ZG"e 2`?@"B&?@")+ " J+

" )B " 3LP~ -L "

1

/ L. _&'

9

1

8+ , AN" ))+ &F"U 9+ ,SHI"

. "9J$3

g5 &ˆU&> ! ,G?W9 OD" O"?d 0$'

1

"2`"?U +<$?I .`"f" m$` B % 9 *

)+ ),SO;&O)ÅHIÆU€>l_J$Zo TÇEuLv]O;&O)È _" 3

&$m<$?I ) ,G

(

"

( 1

9 " &

1

8!

*8;e"f,9 $

1

8\ ,3bqS"m :9b b?n9 O'

$Vd)+ 8;U?n,?@"EW : "# |. "E" OD"?

O*&.T" 3!4]8" 0$% 6&?n9 OB

,?I "" ZC! " A ,A. `&"

1

G*

)o3

M5F"*?@"d?W9 O$V"L*" |<"L&'

8X;+&" )+ "" .+fh„:jkZ&. $B")+ +" O"?5

G"?d N B ,G

(

L"-" *&9 "|. " m"&'

S +" )+ ƒ3NPL"&Z0?n9 O&0"?E

1

""# |. "

) ,0*".f" "

1

,U?n")Y" +"# |. "

"T)" ,"f "$A" | " \ AeB. m"?L<$'

(3)

DBMS ERP System DBMS

2

1 User launches agent

agent moving

agent places

Organization 1

Organization 2

É

—n¬ ƒ“ŽeÊËUÌ£˜.”Ž<.ž`’ÍNœ\œ¬ŽzA—n=́“:œ˜“ 5ž . =“:ŽÎ

"# |. "

1

"2<a"

1

3/A :$89 F9 U"?V$

?W9 O$UG" &DU"U"?d> .3

g&" )È + Zƒ BU. " &¶ &A _0 . :" Z

! 9m0 ,G,"D?W9 O$ 3

3. ITAG: THE ITINERARY SCRIPTING LAN- GUAGE

² &=8$9 ;U&GW

1

9

1

E. ,MX5PNQ^=* .

"A>89 :; *9 /

(

" .-ÏhÐjk3Cg"C" )Z

1

L">N *9 U*"

1

3FMX_hÐ:jz G)"N&9 V"?o8

"9 " =)+ ,G *9 0&" 3

3.1 An Algebra of Itineraries

46! )! ^" *<sO$'",.b)"<&"?U ,HI 33Z

1

°

(

D)J$Z

1

N + <CV O9 G"?ƒ D C

(

"8;!*,;zŠ

ÑAÒ#ÓÔ

ÀÃ0Á.Õ,Ã$Ö×GاÄ×[ÁׁÃmÙ¨Á#Â×

ÔIÒ Ö^Ù

ÑAÒ#ÓÔ ÀÔ

×IÚ

,9 >?nV"0 + ,.7O9 :/H

(

C"?oO9

(

*9J

"*8;U La" A"? <.7E" ,K<.35PL"

$?@U""9 " U ,0?n")D"9 UO9 :

"! "?/m" ,K<.3Ûl!" *8;]" )& U"9 "

)"<&8?n;&^ … ,.7!",. :" ƒZS&e)"

(

%8mO9 :

A"<&>"/"E G&,E", " o3E4cL)"*;

)- A ` ,A)"

(

,.7A"

1 (

" 8"ƒZ

89 -)+ ;f*

(

1

.% - 8¶. " e" %"?

,N)"

(

),3

46/ )U S <N

(

U/ *8X;"?LÂÀ

Ò Ö Ô Ö,ÕZ :

ZG %" +"?D)

(

1

8`! )O9 :

"< 3\PL"Z ,. `" ))-. :"6O;&9"|m8

)"

(

),Z ,.7D"<&S */T. $

8 3

¤ƒ$

Ì

Z<Ü~

«

*F¶8E5"? ,.Z " 0 CO;)A'

*" Z

(

8;,3=M9 :Hk"/*,;GÝCJ= V"

1

?@").

5?n" "

1

E&,GC&<

(

8X;,Z ")

(

8X;,Z :'

IZ#}<, IZ " )O Z"&" <" &)'

O/*

(

".Z !

(

LS?n" "

1

BO;&,9 KzŠ

Ý`ŠŠÞ]ß³àD¸Lá

â

à-HÝcãä!ÝCJ`à-HÝfåÝCJ`àHÝ\àÝCJbàHÝbŠæAÝCJ

1

$¸èç

Ì

Zºç%ÜmZ<¹6ç

«

ZƒéèU _" 9 :"

1

$oZo ?n$

6 9 N" 9 :" ]. %"&Z")*+ \ ,

1

88C">"S?@")è" N ,.Z< êcC A"9 "

1

9

&E S*"," .

(

"D)"<"&" *

(

" &.354%

8?W;c"

1

éµ `êµ :_.\*

1

) +

$¶8" N 0 . "'[8¶3

4%m ) A G ,b ^89 :;e

(

m _O9

H

1

9

1

U. ƒD <.7Dë

ÒÑ

ÃJG&".m*,;!ëBç

« 3

QS

(

_9 ;!ìZ

1

/ 50º,í&î.ïzðñ#HIì&JC"A?@L"A

,G),".B!ì3

‹bò Õ,Ã$Ö×Gó

Òô Ã Ñ

Ã$Ö×õW¸

á

â,ö÷

¸ áâ

) _·)"

(

,/¸¦"

G¹ ?n")³ "Tº<»&3>LK&" _G

)+ O/9 <W :8X;f)" *8X;f *O9 "ƒ3mM0

(

"

(

" G ,.Z " >)"

(

-" G " :FGO " o3

+8;&!)"*8X;f)$ )0 :+&ƒ3_&"

T9 m"?0T "

1

9])+ .;`9

<DO9 A"U" ,K<D

1

$T8UU" 9 : :

U&O " Š

ºBŠ,ñðOº,ðîñ#Hk¸DJCøñðOº,ðîñ#H8¹zJ5ùÅñðXº,ðîñ#Hk¸DJCø!ñðOº,ðîñ#H8¹zJ

MXb" <+)"<&IZV 9c $"\+ f)$"<e. N"?

W 0)),+¸/3-A)),9 "T)-O

$$2 GºBG&.B)),._¸/3

ߨ,Z/?n"f ,;r ,f¸/ZD%)&X;]89 :;

¸Súû

ü.ýOþý Z 1

B ,+?n")!<8;e" 9 :'

"ÿçTÜp" mUO9 0 :L8G&,G îî#3

(4)

‹

Á Á ÀnÀÃÀ

ÒÑ

¿ Ò ÄÔ×

ÔkÒ Ötõ[ã

ö÷

1

"]$K&" f")A'

" ^*,;~·ã$»f BK&&.%^ 9 k3%g"O9 Z

Hk¸

á

â

ã

JD). / <-¸t È :mK&.

"&,;,35vd 9 )Û)+ ;0)8;/" U"?o ,3

g"_O9 ZD"bK&&ffK&&" ¦Hk¸

á

â

ã`¸

J$Z

1

$/¹Þ<Zd" /..%B <¸Û -"

?n")± $"+ :+*"T¹] \ 9 I3]Mb

.

1

0¹bÞ<Z5+ < +" .e /8?E¹Þ<3

MX` 9 IZG

(

] `89 ;¨HIì¨ãƒJA_ ,+

º,í&î.ïzðñ#HIì&J! 0º<í&î.ïðñ#H"=J5 :L".B + 8" +

(

S )U )U 0&8yz,N ,3

4]e" -",&.oZC" T-.&.oZFI3 3

" A :+" )-*.f ^ ", ` . :"'

8¶D" 9 :"0Hk&".*<;+é~ )<".. :$J$3

g"SK ) Z

(

U$K&" ^Hk¸ û # ãL¸

ý$

JFå.¸&%

'

" D L ?WLD :9 5"9 " oZD" &¶'

9 "% /"3BƒZ5"!0. :.6" &0*'

?@"6",<

1

¨¸ %

'

3pT8b ,?n")

" AG!U" = +HIBG. -ñ:J$3

4%!

(

", .]&"

1

8`" 9 :"B'

O. m"?ƒL.},, z" $9 "N >fhÐjƒ

(

0?@"

>"A*D)"D,8

(

0 m :9 k3

‹)(

Ã+*-,Ã$Ö×

Ô

Á À.

ÒÑ

¿ Ò ÄÔ×

ÔkÒ Örõ/kå"

ö÷

1

"_K&" ")A'

" `*,;%m" 9 :"b·$å»6 K&.^.},, 8;,3

g"UK )ZFHk¸

á

â

å¸.

JG). S)"

(

- <U¸R"B

¹"B$?@") $"fº !"+ 0A"+?@")

$"13f&}<, E" )""b-.

1

e"9&

"?LK&&" e)+ $36M%+K )ZFO9 B$

"! ,U?n" )µ$?@")ºT G¹%)-OD9 2#A

*?n"UU ,N ",N"2<3

&}<, " )" 8" U)"=O;&9"|. :"0 )"

,3>g"S$K ) Z!UK&&" eHk¸

áâ

ã3

JFå54.6

þ

U" )" 8/ $"eHk¸

áâ

ã37

J>)OG" )U*?@"

4 6þ

O9 :3YMX)),9 " …"?+$rO;&9"|. "

.},8) $' e*$

1

c ,+ B&8yz,

N"N :.!))";,3

‹8

Ö:9#Á¿Ã$Ö:9,Ã$Ö×;

Ò

Ö:9,Ã$ׁÃ<

ÑÔ Ö ÔÄ Ñ

õ[à=

ö ÷

PN\89 :;\"?

+?@") HIì]à>ƒJ-A.%"TK&-"$)O

9" Š`·M/" o7A. :

1

9^*&?n")Å" B"?LìT"

o»&3eM?Nº,í&î.ïzðñ#HIì&J? Tº,í&î.ïzðñ#H"=J@ÞBA<ZE"T" ! O'

)oZ5I3 3!ìf c :A. .%,8;,3+M/

f)),9 "6&"

1

$U"!?n")µ*"

$">"&,8;)

1

m>"S'

H

1

$_) ,L

(

"

(

0" +*L" D :&'

O".;,.T" m00" *&9 J$Zƒ"0;&!" :/

)AHI

1

9!. 0"9$L)+ ;+)+ :$J$3

‹ Ò ÖC9

Ô× ÔkÒ

ÖÁ À;

Ò

Ö:9,Ã$ׁÃ<

ÑÔ Ö ÔÄÑ

õ/kŠ"

ö÷

MX,V" &'

$))ª",T"?W;§ ,;~&_*'

1

8D $

(

3S4%0,"<-" &8" d" &'

$))

1

9b) "T"'[88

(

'

" B"?ƒ*"," . mK&&" VB"9 ))U

9 DwL3

4%¶OE,"<&DÄ×[Á×D,<ÄFE>Á.Õ> AÕ À

Ò#Ó

Á ÀÄ×[ÁׁÃHG<,<ÖÂ×

ÔIÒ Ö3

P O9 :a %+ B"?D ,.7HI .;,Z>¸/79JAO9 Z

1

8 G¸7IñðOº,ðKJñ#3d€VA G"?=LO9 Z¸7IñðOº,ðLJzñ

A :yz.e*,;% ^ ,.7A " 3f¸7IñðOº,ðKJzñ) ,-*

9 .0*,;DC ,E 58d$?@")5 " F F&8yz,

3GP~" * 5O9 U?n$"ê§.!"L*0¶.

f)S"?>O9 :Da 0*&U80/?@d"_"m"3+g"

¸ á

â M=NHO"PQO+R S TCU V/W

¸YX

U

¹Z

U º

å [ X]\

W5^

Šæ _+`

U5P!a U

X]\

W]b]c!d/e5W)f!e/d^ghUP

à i

U b

ààä j `

U5P!a dk^)PlR bR/m/m]Wm)c!d X]\

f!e/dk^gnU5P

Œœ!od¡nŽ%ÊËUŒ“œ5˜.¡nœ.—n’5˜ Î

K ) Z

1

. -$¶Cê\ 5C" sO" /"?CO9 :'

Va G"?F ,>! -pLŠFê-H=p>JCÞnq0rHs/tS¸7IñðOº,ðLJzñ 3

4%.

(

1

ê\ F"<U N " * O9 5a &3Fg" )

S)),9 "

(

1

" ,.Z <>up`)O>" )A'

). S"-" )Dê/3

PLB9 ;B"?=L?n")tìŠæ@T). ¶O?@")tìZ

_f

(

ê¦" T-O9 A"?V ,3M[?ê

(

0"m Zƒ89 :;60").z3M?

ê¨

(

V"/?I ZS89 :;vV?@").THII3 3Z

myz.Z

1

U?n")tì0å5=J$3

G)+ ,F"?o"&" "$))è

" ")D

(

!ê-Z&K&!*,;

1

e·$Šæ »3

3.2 An Example: Voting

PLB ,xw/Z<O9 /?n" )Û" )Z,. G /O"?5 &

?n")~" O="G" O

(

8N. 9

(

"G X;,3 ² E 9/ ;

(

".zZ0 ,L ",L")D"A9 * U8-Hk )A'

0 :")L&"

(

&CN"G +&9 G *""

1

"9 * :J$ZC %b "-B8"T

(

"$

_ :9 Hk " 88? L8S",N",J$3NPN)?n" &

(

"mHk : L¹=Z?<ZQ&Zd ^ñ:J$Z?yz:ðîB ^ " b &'

f

(

"6HI3&3Z*,;^W ;&f T9 . G,?I :J$Z

ðOº{1<J:|nº,ðîGCL $"+"?z9 * U8Z& º<ïzï}z Jï}~îS

L $"+"?= ;&U8Z<G)" *8;*

(

" &V>

?@""

1

Š

€<

â å7€‚

å€<

þ

僀<

# å $á '5„

á $ý

ü

ånH=

ák…]…

' … 6ý

â

ã3

ák…]…

 ' … 6 ý

ã



ák…]…

 ' … 6ý

þ

ãx

ák…]…

 ' … 6ý

# J

qS"/

1

.

(

-" &D*9 $2 D&U"B ",

(

8X;T"?

S* :;+" 9 :"3V>K )S. m*S 9 |!"

(

"3

3.3 Pragmatic Considerations

T*" R"T9 )+ ^"9 :" fR"

&,V))<9 :" "?oL *"

(

N89 :;/ &'

T

(

"

(

6O;,9 :KoZ)+ ,B \K&&"\

(

8" &'

),.3

3.3.1 Implementation Syntax: ASCII and Controlled English Representations

="m "

1

-&" 9 ))L"B;0-89 ;$K&"

,"-L" ).Z

1

D"

(

S mPDwVMMEO;&,9 KB m wV" &'

" .bÇE

(

" ƒ3%B9 :"+ :m

(

^`5 :'

*Aˆ3

4]!U"9 "S :0.

1

8"

U5P Z 1

/ )0 $'

8¶.bO;&O)Å$?I 8" ZVI3 3

fle/d^ghU5P

b" &"

3

xS Z,¸

áâ

åX¸

åX¸ 6þ

. +*L&*.+ E?@""

1

Š/·HI)"

(

G¸\"

ºB"D¹JCfHI)" D¸r"01U"#JV6HI)" D¸…"2~U&"2#J$3»

(5)

( 1

&¶_?@""

1

(

_9 + B)+ ]"

1

\"e)"

" )KBK&&" Š

ˆ3G¸

áü

>9 W :.

b/W

X

fb]^

¸†Z

U

ºz3

„,3G¸ áâ å#¸ á

å¸ áþ å#¸

á#

U9 W :.e X

Ufb

¸†X

U

¹F‡Ll‡+5‡9ñ

d^ˆe5W]bld W{e Z U

º3

{<3G¸ áâ àภá

àภáþ àภá#

z9 .0 ‰X

U5fb

¸YX

U

¹F‡+{‡+ ‡ñ

d^

PlR bR/m/m]Wm Z U

º3

½&3G¸

áâ ภá ภáþ ภá# G9 _

X

U5f/b

¸YX

UŠU5^{W‹U5Œ

¹F‡+{‡+5‡9ñZ

U

º3

i,3G¸

áâ

Š¸

á

Š¸

áþ

Š¸ á# L9 . .X

U5f/b

¸

dŒ^{W/W Z W Z

X U

¹‰‡K{‡Ž ‡ñZ

U

º3><) 8;,Z

1

/ "+

(

á⠊æT¸

á Šæ

¸ áþ Šæ ¸ á#

9 W :.U ‰X

U5fb

¸

d5Œ^{W/W Z W

ZŠX

U

¹F‡Kl‡+5‡9ñ

Z U º

fle/d^g ê/3

<"Z?n"BK ) ZV

(

"689 :;\. \*_&*.`

?n" "

1

Š

]

TCU VW)

X

UP

Z

UV{U

X

W!‘

X \

W ^



TU VW)

X

U’

Z

UV{U

X

W!‘

X \

W ^



TU VW)

X

Ub

Z

UV{U

X

W!‘

X \

W ^



TU VW)

X

U‹e

Z

UV{U

X

W!‘

‘

X \

W ^



b/W

X

fb]^‹

Z U X

R“/flm/R

X

W!‘

X \

W ^

]

TCU VW)

X

UP

Z

U)R5^/^{U5f/^!” Wl‘

dk^ŠPlR b{R]m/m]Wmc!d X]\



TCU5VW)

X

Z

UŠR^/^lU5f/^l” W!‘

dk^ŠPlR b{R]m/m]Wmc!d X]\ 

TCU5VW)

X

Ub

Z

UŠR^/^lU5f/^l” W!‘

dk^ŠPlR b{R]m/m]Wmc!d X]\ 

TCU5VW)

X

UŠe

Z

UŠR^/^lU5f/^l” W!‘

‘

™LS&9 Z

(

"S89 :; A "U*G*.

)"U8;m >?@""

1

Š

X

U5fbŠ

X

UPQOL’HOLb?OŽe‹d^ne W]bld5W{e

Z

UV{U

X

W!‘

X \

W ^



b/W

X

fb]^‹

Z U X

R“/flm/R

X

W!‘

X \

W ^

X

U5fbŠ

X

UPQOL’?O"b?OŽe‹d^PlR b{R/m]m]Wm

Z

U)R^/^lU5f/^l” W!‘

M…" !<m)),9 :"ƒZNT $"_"?A , :

)>"?F)"<&G m N

(

SS?@")Š

• \

Ue

X

^{R–TW—

PlU b

X

^/f5Tl“{W b{—/˜5Plm]R”]W ^lR–TCW

"

• \

Ue

X

^{R–TW—/˜Plm/R” W5^lR–TW

1

8_ ?@ 8N"N<)-*.3Fg"GK )Z?n"GD" O

^WkTW{e/d]e

[

”/e/e5W

[

TCU5^{Re

\>[

W Z f [ R5f

! ) Z 1 U

(

Š

^{WkT!W{e/d/e ”/e/e W TCU5^lRe W f R5fl˜/R

&$"0 L )C),C)+ 2#GC

1

&;,3Fvd.$'

**

(

" L)<Vm*U.z3

3.3.2 Implementation Semantics

²

=<=)),9 "U=UV°#

(

N&" 9 ))G &'

A _S*8D"_" "?EQL9 " $U)" *- ,

"," 2<8.3™+46E?n" "

1

C"9 " <)+ ,=" &.0 *"

(

o?I :F ƒ" * 3546FC°#

(

>)8'k&. &V"G)),

S 9 5" 9 :".3

g""'$))Z

1

% :6))<%8_*,;c"&'

;/

1

*59 NV8d?n" )¨C?@ OOE*&9 9

" 8;! m. 9&AL8?n")Ï"$G*9 $3FMX!"'

%Z

1

) B$'$yz+?n" )±"B*9 9

G"C8¶ ,.3FPLA 8 :

(

G)),9 " F"D¶O

9"," - N9 ")£HI3&3Z+ 9 &" )Ï<)*$G 9 "$J

U*9 9"U?@" "

1

Z K&&G" 8;- C*9 9ƒ3F

(

" &'[yz$*&V>" 8;"'[9 &" )35M+ 9 IZ&8

N8‚G" $

(

SU" &'))3

3.3.3 Web-Based Execution Environment

4%E,D"5$K" 0

(

8" ),o?n"5CMX5PNQ^

"%*!46*'[* .z3…g5 f„"

1

B!4%*'[* .bO;&O)

,?I .%"_mQL9 " $O;&O)3MXe"A,-)A'

)<9 :" ƒZCmA¶OX;&Ab89 ;b&B,"

T -H@ A4%*_*"

1

$J$3LoZ089 :;

- .%," * :;6&,9 "` 6$K$'

&.`*,;` c,&.3rÇdK" \B B?n" "

1

Šf&'

&/9 :B " -8¶%%+A,"

"))+ &

1

9e 6?@"

1

9&.cH

(

!A")). '

" / $Jz?n" )¨C 5"L L)+ O$FQL9 " E ,

1

9ƒZoT&ƒZzL" ))+ -H

(

W + +".K<;JG"+/W

(

QL9 " F ,

1

9/ E8 8;/ d >W SH@F" ).J$3

U ,N"B

(

L" ))+ & LB $.

,"$

1

"26"?L 0""8

1

"23_qL" :

QL9 " .Z,. $- >d. ÁÕ,Ã$ÖÂÚ> /. 9A ;

O$T88?

1

8~ \8$";]?I ;~ .rÃkÕ

ÔkÒ Ö3

²

8;%& B m"

1

\eB¶ &m'Um"

*U)+ ,;+)" 3

N"<&L?@"N " V"?= < > UW D A"9 "

",W :.

1

8 9 ) HII3 3Z#" )*S <9J5 /" &'

8" d" '&))³ -'

1

8ƒZoO"._" f 46*

(

$6H

1

9

1

T S^Â

Ò

9,ÃÄÃ<

ô

Ã<OJ$ZD \.\]" &'

)+ z3Ug"DK ) Zz8?C ,US"B)"

(

U"! + S¹

"-"/ "!ºZ#S ,V¶O)"

(

E"N¹m VN"<

Hk $ 8;,Z /W

1

B)"<+ºJE?n"N " !ºA?W" )ÛN46*

(

$"+¹=ZE %eK&/8AO"T+8^8

O9 3EPc.Z," U&" 9 ))E" + U$.7C* 8?XZ,.

1

N"LL"

1

"L O"0

1

8U"<&0

(

N?@"

Um3

g5 &0{"

1

L )B"?=DMX5PNQ~O;O)p

0 6 $UfM<$DÇFK&".3-A $/ ;&S

>"?5

(

*D <Z&W Z $"G " 9 :" "-

1

8U"?z3E·X"))+ &»SF>"<"ÇE&'

AO;&,9 K

1

9/ F :. 0"

(

$./,"LPSwVMM

O;&,9 Kz3U/ ,U W&"?C-6&)"

1

S

™ <U,ƒŠ´ ´

1>1>1

39 " .3

(6)

—W¬ =“:Ž›šo˝œ§Ž{o)o=œ˜Ž&•)ž$Œ>Ì Ÿ£˜›ƒ˜ŽbÎ

(7)

$K" 09 V"? - ,d" D?@")+ " 0?n")~

-% :9 I3qS",.

(

_"?N9 +)

1

$. GU :9 )3

46*%*&"

1

$ :m " ))" T). 0"?N T %,'

& 7EM,9 $.Z# 0" F"? N4%* F&"

(

&F

(

1

F>)" *> ,V " V :5sOOC "E

(

"?dU,& 7LM<9 .3V¤= $ !"<"B)"'

* ,S?n") 4%*_*"

1

U

(

0*T".__

g5sX/$K&" …"?/fPL!"," 2<8eh½jkZ0 c4c'XlPSv h8ˆ$j[Z

" !;B"A"N

(

D W 09 G"3

4. APPLICATIONS

"^A . ""?GMO5PNQp346

¶OS

(

0

(

9 =K )G"?E . "SU, Z

ƒZ,&" "GGG"?o)" *N ,V+ A",

(

8

" ))8G m$N"G")3

4.1 Mobile Agents for the Enterprise

466 ) )+ ;\?@"<

1

<_ " %HI 33Z0 r",

1

"2,a"

1

9J$Z, ,

1

,E->V F$;0. A*}<$2<8;

$&.e -" T /+}<8.e ""<B m

(

*

?W" )Ï0"<&/$

(

.346/

(

U?@" &S$K )N"?F$ 8'

" L!>" ƒ3

4.1.1 Meeting Scheduling

wV"$A )$!9.&_ . :"

1

"9 ;

1

D¶O0$*f`hÐ:j[3U0

1

"m &",ŠHOˆ.J

,9 T?n") ") ZC!)$8W :"B \ ,

1

$b ",A?W" ) "m ,A"f "

1

` O+"?

" ) :.A)3FPLC. 9B ,)+ :2&EG)C;

:!"

(

*ZVBO"?L") .6)-e*,;6

,f"T % <T9

(

_?n") e"cW 3

PG?n

(

8% LW \889 :;,ZV ,

" ) 3`H[„ J-P>-") ZF+)T :"$+ )'

)?n")£)+ _)+ :2#.f)- %?@")

SO.3F4%D )L GD"<L?@"NL?@" "

1

B "

(

0*

1

8 O"" 0"<&0

(

Rek¡

D

"

1

9T ;&L)+ 2 .!") m)N"+ '

,+ ` "

1

B ,A"6)+ :2f)A:´!

(

* Z

Œld^lR]md5¢W "

1

LU) :"S"

f)T)m?n" )¯!)+ %)+ 2#e)Z>

dk^Œ{U bT

,U!)-)L" : ,.3

ƒZC8?L ,A ).£

1

^?@" ,HIK<'

-D8 "$J> 9 *D?n" )tD

c]c/c

[

T!¤{”]U–TlPlR^¤

[

”]U-TC˜5PlR5f{m Hk **&

(

.+"

P

J$Z

c]c/c

[

T!¤{”]U–TlPlR^¤

[

”]U-TC˜/¥/U

\ ^ Hk **&

(

.+"

¥

J$Z

c]c/c

[

T!¤{”]U–TlPlR^¤

[

”]U-TC˜ b{R”

\

Wm Hk **

(

m"

b

J$Z

c]c/c

[

T!¤{”]U–TlPlR^¤

[

”]U-TC˜e

X

Wd^{W]b Hk **

(

:.B"

e

J$Z

UMO5PNQ~&LŠ

X

U5fb

£)X

UPQOv¥‰O¦b?O@ed^ˆe W bld W{e

Z

URek¡:‘

X \

W ^



b/W

X

fb]^

£ŠZ

UŒldk^lR/md5¢/W!‘

X \

W ^

X

U5fb

£ŠX

UPQOv¥FO b?O@ed^ŠPlR bR/m/m]Wm

Z

U‹d^Œ{U5bT§‘

qL" DAK&"6"?)" *8;U 9 :.f?W" )

"<"?- " 3 ² A"?VA

(

,9 0"?V

&"# 9!"A)9> GD ,L :

&" )&.?n"- $"e f :?@").f"?V¶ F)

)L &" )+ . ;,3ELO;&O)¢"'X

(

L "" N"/

(

AO;&O) 96 U B46*8

1

$A : ,D

(

" 8N 9 ƒ)>!"9G"A"# |/ )3

4.1.2 Parallel Processing

4%T. ~ "

1

8e e?n"_ 9 0&",`"

(

_

$

1

"26"?G

1

8%M,9 $.3_PL)! 0

*"

(

+?@"+

(

*m Hk )_;e B", .b"

8yz<L"OL?n"D 9 ) "+*0K&"J$Z0 <S

¨

Z5 6+ "e. 9^ ,ÿL 0"?n") H

¥/U5“

ÿJ$ZE

F"9 "

”]U-Tl“!d^{W bW{eflm X e

"G")*58=

(

F*

"<&.o3CƒZ&S?n" "

1

BMX5PNQ~L",GsO"*ƒŠ

/

TU VW

¨ X

UP

Z

U)¥/U5“:©]‘

d^ŠP{R b{R/m/m Wmc!d X]\ 

TCU VW

¨ X

U)¥

Z

UŠ¥/U5“{ªl‘

d^ŠP{R b{R/m/m Wmc!d X]\



TCU VW

¨ X

Ub

Z

UŠ¥/U5“«!‘

d^ŠP{R b{R/m/m Wmc!d X]\ 

TCU VW

¨ X

UŠe

Z

UŠ¥/U5“/¬‘

‘

X]\

W5^



bW

X

fb]^

¨ Z

U)”]U–Tl“ld^{W­ b/W{eflm

X

e{‘

qS" :m8?U")_ bHI ;

b

JA*" )B

(

*

"! T!

(

* ZL *"

(

T$&. ]*. 8;

9 .z3+<) 8;,ZzA " U. f*A9 .T8?>8yz<

sO"*L D.},B ) N89 ;,3

4.1.3 Information Gathering

G¶ zK )S

(

"

(

N &?@")+ :" $+ 8'

. :"ƒ3T! )Y-"_ 9%B :9 !" &A}<'

8;+O" - C"," m VN.},+&?@")+ :" BE?@"z3

PL)D :VS 9 D" &> :D *S?W" )¢

Z

“:©

Z®Z

“lª ZC Z

“{«

ZF+ ,¯<Z

e W/R bl”

\f-B " ^"?

. :$_ 9 m"ZF

Œ{U5f]^

ZT)D8?>$'

},8.A?n")+ :"+E?@"zZ

1

N. BN>?@" "

1

$&.Š

X

U5f/b

¯

d5Œ^{W/W Z W

Z‹X

U Z

“:©CO

Z

“lªFO

Z

“{«

Z

UŠe WR bl”

\

f!e/dk^gŠŒ{U5f]^

Z

4.1.4 Discussion

PLd"

1

/> *"

(

CK )Z MX5PNQ`L 5"'

, &"U)?W;->"9 ))D"?z")K . "

8;b*-+" ` bK&O% ,?W9 O$"

(

1

9\ ,. b" )¯ b )A : $"\"<&_

(

W *A?n")ÈA"<

(

$.3+&$f 6&?n9 O&A

*+&" " +Èh†:j= Ah8ˆ.‰jkZ +?W9 O$N V*

*

1

$B">&O*.+ 9 * U N :9 8'

<" )

1

8-)" *C <3dPL)" >C " F ,

. &"D V d4%*- :9 * Z"

(

W&V" |

(

1

"?ƒ 9 * Z& A"V :9

1

:"&3FxS"

1 ( .Z#$;

""G0 "# $m?@"NN . :" 3

² $> . ">. B*L" .+9B $K&/$'

(

!"!9 b"?n

1

T" " &B,T*<;

,-)"

(

m" )",U"

1

$B.&.

1

%.z3

l!""

(

.Z9")" ,>),G. W :0""," L"

*V " d" /O*&.U"<="G" ))-. :

(

W |.""," I3

MX`" &m$&^ " 9ƒZGK<*8;c ` T $'

"))"< o3VPL" !"<0. _*- &.m"/"<0

(

"! *AU"? 0?@" 8X;,3 )A "

"<&6. ¨*T.]¨8yz,$&%HI"

(

.c% $'

" "<0L &" :8;

1

8

1

8!U)J$Z

"

(

8;,ZEA)

(

/. b*B.

1

m $'

" %"<9 3Bg"/K )Z=8? :9 * O;&O)µ

W .c*,;\ % " ZG_ )&!. c*.`*

(8)

—n¬ ƒ“Ž›°oË7±ƒž “:Ž<Ž`•5 df–\’Í.ž$Œ>Ì ŸY˜›ƒ˜ŽbÎ

(9)

1

9 * BO;&O)£. e*+9 .z3fl!""

(

$.ZV -?@ -

$&0 "$.zZƒA $"6"<&A.T"0*

1

b°#

(

* ,;%"-?@V" 9 ))_ 6HI 33%w

"0 '[* ._W A9T Uvd" ",JS. f*/)".;,.z3

l!""

(

.ZF 8"

1

+

(

A.%QL9 " -6" 0'

<L)),9 :"ƒZ"U N0L /&,

"?dD&8;A ,NO;O)3

46C

(

C"=*0" .

1

8UEK&&" /?@")+

"?MO=PLQbdC5

(

;0)-9/"/V$;&

,B"," 2<8 c"

(

9 LK&&"\)_!&" ) :.\*,;

" _K&" o3

460

(

0"D&. 8

1

8_0/"?E8X;_&

1

)- DMX5PNQ¢0 :K&.

1

86 +&

M,9 $"?A%,^ r T " §"<&^ e&"'

9 )).+*,;+ :?n&8;B"/D<$ 3d4%D "8;

"U8X;B?I 8U&"

(

m*,;mU8;&A)"*

,G"," 2<8.3

4.2 Mobile Agents for Ad Hoc Virtual Com- munities

l!"*T <B. \* 6?@L 9 & )¯?@"m*%

&".;&_w>wC4¾ . " -"

(

$0 6",

(

8 F"))&'

83Vg"NK )Z . :" N 8;B" *

1

8_

<$-$T U ",

1

"2,a"

1

Zz?@")+ " T# :

)" 8"&Z<" 9 &",-. +*N)+ &N"*

1

8$T _",-"))83GuL".;&),N"?C" )"'

,d*,;-)"

(

GG ,GH

1

8A9" )" ,9Jƒ"

1

.&.

1

6.&.%- W :8;%$?@C?@"A&;& ). 8;

?n").m B",U"))8

1

U"AGm)> :U'

"

(

<.Z#8?n)LCW :

(

8;".Z& A"

(

8X;A

" ) ,

(

;,3<96")" ,/ ^ ". '

:L&"","E"U *N . " V"+O*"<&E"

" )). :

(

_ |.^""," I3T4%B"_" )

G)"*U ,>>S" 8;m 9 )Û"S*>" ,

-8"+"?>+ 9 )

1

9e. e*+?@8;6)A'

":;#.o3

46G*

(

N V U/ " 9C89 *N?n">&

(

"'

U)" *N , . :"C$" ))-8F*,;- "

1 '

. :"V"0*L )-*.+},92&8; + 8;,Z<$

"*0)+ U)"U 8;,Zz

(

8;m"*/ " ))"< .

HI3&3ZS "

1

8] \89 :;\ cc&_*&"'

9 )).!

(

9 o&yz$,>"9 ))- 9J$3 ² &

bf "],oZ/ ¨<Z0)).&W :8;…K&'

9 *

1

" &L"A")D)3

l!""

(

.Z

1

*

(

:! %46*§HI"m

(

\4TPSv>²:J+* .

&"# 9^A"

(

,"-" ;6?@" 6$e)"*

,5 " =*&5 "G?n"=*N" ))8"? ,

36P¢46*e8m"%"

(

B ?I 8;%?@"O$

1 1

$\ _ &.b"TK&OfB"?UW 3

4cB

1

G UHI"G . $J$Z<D V?n">

<)+ ,V :Nz :./"U"

1

>OC"?ƒ

(

*

3

4.3 Mobile Agents for Peer to Peer Computing

² 4]8 PN. :" vF""," I3 &

,oŠ´´ 3 ?n")3"

(

V"-$>" )/ A"Aw>wC4 "?n

1

3 ² N)"<

1

9)" *D <N. !*0 .!$N"N" )A'

&6A"6 B \ ,B6 :m f B f.3

ƒZ<9+)" *GV. +*G",. .?n")Û"N)+ 9

" "U"mK&" 8U"3AqS

1

$U"!0O;&O)

. m*L

1

.B K&OO;&O)<;& ). ;AK<&.

*,;!+ <-H@0N"SLK<"9J"A/ &'

" U83

1

"2_"?$D. T?@") -&?n9 O&"

(

1

9

)" *N ,V A"# )3Cl!" *L ,V. *L,E"U<$'

$

1

8cm\ %B

1

"2z3…MO. \"?U_$?I 8

). !

1

9~},$;c) :f" &.c" …$

$

1

"2<+ b_QS< T"6A¶ fO;&O'

)Z³D/ ,S. f "" )"8;)"

(

D&" 0$

$

1

"2

1

8T80*

(

" S8¶ff8$9 3ÇC $

G m)S"

1

"0?@"

1

9mG :

(

A ,UHI 33Z

8$B "9T"6 \K&OT89 ;b""

(

T

89 :;

1

8_8L"

1

J$3oZU8$9 ;$&D&",N"

"<9 e &0"0 )U*U00<8¶3

g"C$K ) Z D)"<<"?,&>. A*>.A C D)+

"?5 G"

1

9 ,>. B"# )3C&9m )"<.B"

8;-*> L"

1

'[

(

&)"<<"?

(

*>" OF /

*&S)<L*/ )+ _"?C" !"S;! ;,3NMXO

"?ƒ S )LH

1

$B,8?n; <

(

9J$Z<"S" +

S )N"?d"G"GU )>"?5" /HI 33ZwÇ

²

ZxS'

)+ buN" &)+ .ZG &)O9 ".Z>:J\8$9 3

v5"f"S" - )S<; ). 8;m"

(

/"+0 )/"?C

-?W" )

1

$T "T"S-" ;+08'

¶" L *>. 9o3Fg"VO9 Z& C" G) Z#)+

) ,5"

(

V"D N N" - S2<"*F :F "$

)HI ;,Z

1

!U)+ NL"N"?dU"‚:J>"A A

-" _ vEÆLP/3

l ,;_S"BSO;O)S

(

U8D"

1

fD<8¶3

g"GK ) Z,SM<$>) B9 :>O;&O)pMwx´&µ

B8+"

1

cMwx´ <)* +B,8¶3…M[9 :

"B)+ 2#GL"?ƒ9B>,8¶$Vm L"?ƒ" O )

A"V&)*NHI L )9J$3d

1

"+ "

1

,

"%*!".b"f<+"

1

9

(

B"O;`

" ."!"

1

8">U$&

1

$.7N,

(

," o3

5. CONCLUSIONS AND FUTURE WORK

4%0",! S +$&B "# $_

1

8'[8.?@"U$'

(

"G)" *F ,5 " 5 D<DMO5PNQ%* .

" L"" B"?oL ,>89 ;,3d46L

(

N "A&.

U&?n9 OU?n"NK&&AMO=PLQ§&Z 4%*'[* .

)),9 :"ƒZV `,.`K )A"?U?@"m

",

1

"2,a"

1

Z 9 5&",&Zo !?@")+ " $'

&3!M% 8" oZ50"?G)" *+ ,0?@"A 6",+<;&'

). 8;!?n").!" ))8G !G"$S")&

(

S**&$a;B" .z3

$V :E

(

9 " )G&8" ƒ?@"=?n

1

"23dg58O8;,Z

8" " &GG"

(

U ,

1

8_ A&U"?F &" &'

" )/;/ 0aK&*8;--?@")L9 2&

(

NV" &)'

)‡ %"&" >" ))µ"9 "Z

1

! )£"

"

(

U. D &" ")-;m*,;! "

1

B)"<>" 9

HI"09",":JS 0O. f"?VK&88;f8?n;&! /

³

<U,ƒŠ´ ´

1>1>1

3 < &3"&32

µ <U,ƒŠ´ ´ 3}3")

(10)

(

1

8'¶.B"!&",.&S"/ CLG -. :>9 '

" /H@"S>&" 9 ))$J="$

1

9AW

1

*

$9 .!HI"E$" J$3dxS"

1 (

.Z E L9 &'["yB*

1

"" )/; " ,"'dV),&8S)"G&.9 *

+" ," *U*

(

" &.3C&"&;,Z

1 1

"m2#N"&'

"0

1

96

(

"

(

)8 <0 00"*

";m!U8$9 ;_ *&9 &3>898;,Z*A$K"

<"_! ,A&?n9 O

1

>*B)"9 </'

")_ ,+"," 2<+

(

K&&"\ &f?n. &B

$a%?n. &!`"%_$&e

(

1

8" &

&L

1

&*V L9 3 ² d,OD

"?

1

"2_" B?W9 O$U " U"# |. '

"S"B"D,'[" | " F?@")+ " T# :

1

"2,a"

1

Z5 "

(

"

( 1

8/"

(

8X;T )"

"<3F&z :5. :5?n"d"*V9 ƒ/"

(

8X;

1

=*U.&.o3

6. ACKNOWLEDGEMENTS

1

"2%".beA A*^?@%b :

*,;m/wV"'["9

(

-uL 9TwV,vd" 9 )Ï"

ÆS :),="?MXO;,Z&·¶\=" &)¨"?VwV" ))" &'

1

. 8TQS"

(

),>"?dPLO9 W <3

7. REFERENCES

hˆ$j/lf3P

(<(

<IZ&P03vF ¶"Z

²

3=")+ 9"3

4c'XlPSv>ŠPr4%*PL*-l!" *0PN ,LvE :?@")3

MX

Ò Â9Ã9Ã+9

Ô

Ö<ÕÄ

Ò

GD×nëÃ

ò

,<Ä×D

Ô

ÁÖC¸º¹.,&Ö,Õ#Á

Ô

ÁÖ»

Ò

+¼Äë

Ò ¿

Ò

Öu½

Ô

Ä9×D

ÔkÓ

,<ׁÃ+9!ÁÖC9

Á OÁ À@ÀÃÀ

(

ÚÄ9ׁÃ

Ñ

ÄZz€V O.Z

xS ;,Z&&)*$Dˆ.®® Ð&3P

(

*0 :

¾

,ƒŠ´ ´:oˆ.®#i,38.3.3$´vd 9´ O;&® Ð<33 |]¿U3

h„.j/lf3wC)" IZP03

²

)IZ gV3CÀo )*" k3

l!"<+qL

1

"2B=" "" ; l!" */PN ,

MX,9 " oŠV !M<9 g9 )

1

"23&MX

Ò Â9Ã9Ã+9

Ô

Ö<ÕÄ

Ò

GD×nëÃ2Á Â/Â/Â

ò

( Ú Ñ ¿ Ò Ä Ô, Ñ Ò Ö ò

¿#¿À

Ô

Ã+9v

ÒÑ

¿C,<×

Ô

Ö,ÕZ

N½ˆ‰Ã#½ˆ:„,Zo _PL," &Z™UP0Z&g*´ l /ˆ.®® ®<3

PNw>lµvF3

h{:jUu03QL9 ;,ZQ-3wC;&*2#"ZÆ3lÄU"|Z !Æ3&uN3l!" *

PL,ŠCl!"

(

" S _,9 D"?dUPG.3M

°3€C9 &

1

Z.&8".Z:¹0ÁÖC9

ÓÒ.Ò

¼ ÒG ò

Õ,Ã$ÖםÅzÃÂ9ë<Ö

Ò ÀÒ ÕÚ3

PSPLPLMO´ l!MO]vdZ„‰ ‰‰&3ÆL9 ?nL

(

*0 S=$.

uN"LuS„‰ ‰‰'{ † i<ZÆS :),>"?EwV")&

& ZÆU :)" !wV" 3

h½jUMO€lf3g5sOz'VuN-PLGm4%*!vd 35HIz .J

ˆ.®® ®<34%*m 0

¾

,ƒŠ´ ´

1>1>1

3k3*)3"&3sO´ $9´?W9 O$:´.¶ sOW´

¶ sXI3,)D¿U3

hi.jUÆ3!ÄU"|U Bu/3QL9 ;,3l!"*-wV"< ŠC0gS"?5

MX,.3&MX

Ò Â$ÃÃ+9

Ô

Ö,ÕÄ

Ò

GD×nëÃ@»

Ò

+¼Äë

Ò ¿ Ò Öó

Ò ÓÔ ÀÃ

ò

Õ,Ã$Ö×IÄ

Ô

Ö_×nëà

Ò

ÖׁÃ+Æ×

Ò

G2

ÒÑ

¿Ã$×

Ô× ÔkÒ

ÖfÁÖC9@

Ò.Ò

¿Ã<Á×

ÔkÒ

Ö

Á×

ò

,&×

Ò Ö ÒÑAÒ

,<Ä

ò

Õ,Ã$Ö×IÄ@ÇÂ/ÂZ&. :Z™-33P03Zl ;Tˆ.®® ®&3

P (

*D?n" )

¾

,ƒŠ´ ´:)" *8X;,3*""&3 32´lPLw{ ´{¿U3

h†:j/z3¤ƒ"2# 3PL ² (

(

1

"?El!"*/PL <Nƒ$"";m?@"

ÆDO*&.!PN. :"ŠCv5" *8S?n"Lg&

ÇF<$/<;&O)3

ò

ÂÂ9Á¿×Ã+9ÁÖC9

Ó ÃÔ Ö,ÕÃ

ô.Ô ÄÎ9G

Ò

8

ÖkG

Ò Ñ Á×

Ô

ÂÁÈ

Ò

,{$ÖÁ ÀZz„‰ ‰&ˆ3

h¥.j/z3¤ƒ"2# ZP/3&uL 2#"" 89 ,;,Z P/3Àz

(

2<;,3PL

ÇF<$&wS "<"?54]8xwL8 ƒwV"))8

1

8

ÖׁÃ<9ÖzÃ$×&

ÒÑ-Ñ

Ã<OÂ$Ã/ÁÖ:9

( Ò G$×DÉCÁ Ã

ò

Õ,Ã$Ö×IÄ3MX. QL"

vE*&Z„‰ ‰&ˆ3

hÐ:j-z3¤ƒ" 2 Z&x-3&9)&.Z& !P03:Àz

(

2,;,3vd" 9 ))

0l!"*;_€V

(

"N"?dPL <>*,;!wV" )"

M9 :3Mv53 # :9 :sO T mu03!ÊV oZ&.8"Z

Ò Â$ÃÃ+9

Ô

Ö,ÕÄ

Ò

GD×nëÃË×në

ò Ä Ô ÁÖÌ

ÒÑ

¿C,<×

Ô

Ö,Õ

( Â Ô Ã$ÖÂ9Ã

Ò

ÖkG.Ã<Ã$ÖÂ9Ã+õ

ò.(l8ò

;vÇÂ/Â

ö Z (

" )0ˆ:¥:½,„"??Í5ÃÂ×D,{Ý;

Ò

ׁÃ$Ä

Ô

ÖÌ

ÒÑ

¿,&ׁÃ<

( Â Ô

Ã$ÖÂ9Ã$Z L„<ˆ½Ã&„„†&ZovF<2#$.Z

oZÆD)-*Dˆ® ® ®<3o&& $'"wE &3

h®:j/°3 ² O".3&&ŠFxLL¤o

(

ƒvF"9 ))

?@"G/„<ˆOSwV,&;o3

8KÎ>ήÎ

ÒÑ

¿C,<ׁÃ<9Zzl 96ˆ® ® Ð<3

P (

*0 :

¾

<oŠ´ ´

1>1>1

3&3" )B´" :´sO"ƒ3"O" $´

&3,)D¿U3

h8ˆ.‰:j-Q-3& )+ 9 Zv53Ç

(

&" ƒZ !Ç>3vF8" &9 &3P~l!" *

PL <N€V .M?n9 O&S?@"S$4%"2B m€V

PL " 3MX

Ò Â9ÃÎ9

Ô

Ö<ÕÄ

Ò

GD×nëÃ

Î

¸ºÏ3,<Ä

Ô

ÖzÃ$ÄÄ/ÁÖ:9

Î

¸»

Ò

Ž¼u

Ò

ÖkG.Ã<Ã$ÖÂ9Ã$Zol &oZ& ƒZ ² " *$L„‰ ‰‰&3

h8ˆ ˆ$j0Æ3<N ¦w-3QS9 o3¤ƒ<

1

<

¤= S S<"?W

1

:/ÇE $+="," 3MX

Ò Â$ÃÃ+9

Ô

Ö,ÕÄ

Ò

GD×nëÃ@Ð

({Î

;

8KÑ Ò

ÖkG.Ã<Ã$ÖÂ9Ã

Ò Ö

½

ÒÑ Á Ô

ÖC¸

(

¿ÃÂ

ÔÒ

Â&Í=ÁÖ<Õ ,Á.Õ,Ã$ÄZƒw 8?@" &Z™/3z3P/3Z

² " *0ˆ® ®#¥,3

h8ˆ:„.j/P/3ƒ :IZS3PL).oZ{w/3Ä0 2 IZ z3°# )+ ƒ3

ÆDO*.!wV" *"9 " ™SAqS

1

"2l!"*

PL <3g*& :;m„‰ ‰‰&3zP

(

W *0

¾

<oŠ´ ´

1>1>1

33)ƒ3.´PFs ,9 ´ 9´ '

)+ &3–¿U3

Références

Documents relatifs

Our paper presents a theoretical framework that allows such exchanges at all the abstraction levels (models &amp; metamodels) based on an ad-hoc meta data description language

theory, aptly named the “chaos hypothesis” (also “μεταχαρακτηρισμός”), according to which there is simply no logical relationship between the letters of the Greek

Majborn (Denmark) explained the interactions of Risø National Laboratory (RNL) in four key areas of its operating environment: Research, education, industry and

The architect’s office: practice and organization of work (18th-21st

On one hand, in less developed countries in which formulations are more basic and more in relation to the consumer needs (in particular, in terms of cost), the main

The field solutions of the laws of nature, according to the symmetry of Einsteins (general or special) theory of relativity, then behave as the basis functions of the

A global challenge in knowledge transfer to meet world demands for food security and sustainability”, organised by the Mediterranean Agronomic Institute of Zaragoza –

Many countries have developed systematic assessments, for research as well as for teaching, sometimes directly linked to funding mechanisms, such as the Research Assessment Exercise