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'p $\6*7 $"¯4K< 'á [9k&'$ &''4 "\6 -ELMK+$VhjRS " O^2 * '¯MK`4T&'"'5"%$& 4"%\ "% M$)& #"\ &"\6#[!k$ J"%$ iP'"" \ 4 4P$"H"% &'$_$4T'"*+$Vhj2â¢$'$x''^8! &>+$Vq*(I$_&:**9$6*c' J&"*)*"S9^ +Z '."% D&"\h6iP x)*$2LMf9p ãO(-E$LÞ" .+> 9a*"2*(6'&'*iT'Mi89p+Z $)' $_Y"f^"* LM 6"%$#9"%$a'906$"D$ 9[$*"% _!+Z~i \"U!$a$¢$i'#"%*$ ~$-(' #9_ x9Ó&'"*_*" ">" U+$V84 !&'+.6"% &% $!$9*.\ 4 4P$# ["%$¯iT* "%Oj2RS0"%6"Z'6#^h*"Z**LM* "$" Iä$8"`)"\6T1U *]464 $&eÓC}ä>1F$-OÖD$*"c i"#"26M9'IØå_^)æ 6+Z #D '!M6"% 333 XVI Simpósio Brasileiro de Engenharia de Software !"#$ &%'(%)("& *+(,-/.(01%' ("2*(30#4(305"6#(24#72*(8(9:%"17; < ? = A > C @ : B F D G E I @ K H J M L O B 5 N I @ P > J R Q H : B T Q S UVHDXW7YZLAJL[D\HKS ]^QTLAJEIH _ ($"("`a("2b")c-Z*/d _fehgji kZ"%%("#$ Zl("6 T%("$"( #m2*(/("$(nd _'ehohi 2(l#%24I2 +4F*2p9q#+srutwv0Mx"y0Ptwz0Pt,{|}0AF (w- ~ * 4 \ t ; documentation data work practice interviews domain information Requirements gathering C&P=Contraints and Problems early system description C&P system protagonist identification presentation aspects knowledge base GPM C&P interaction scenarios development protagonist scenarios presentation aspects GPM, usage scenarios system architectural model identification new scenarios C&P representation of the protagonist tasks TCMs THMs PCM C&P HCI design analysis and enhancement architectural model TCM C&P enhanced specification THM UI design specification PCM ~ 4\t _ ("$(*`(*27 e ")* " g 7*3; 7+77$ `Fb*I#(#7-* 47$"&; b70k2 % "FChh4$+2 F4(9A \2(I'F7)(%'78 F4 94#72*(5")**a";lc2 */2 \#7(2$ 0A2 ++*(.#7*bj2(#"%24+ b2Z¡¢\(` £"(¤;¥+( )}0A*4#$ s"¦(£2*("IK#())7#(("9§%("$"(2; aK"*(¤0f §%(#7T"*I§h*9+ \()*F 5h"#$ K%("$"(p§-*))¨%)w; e 8302 l+*Im %'#722(("$*s27©#7%2("s(9h 27ª4 7)(%CFd¬« gTi ; ®5¯ 7a7±°!2²w²7R³´7q µk¶"}¬² `·· F%((-#l'j¤(2 84h"8 #(I%'(2-%fb("l#*(h("9M- h%"1("9¸C!(¹*b%(#h (4)l(- ("4) 334 XVI Simpósio Brasileiro de Engenharia de Software !"#%$&'()$$*+,-"/.10324-56-'7" $8$:9 %;6'<&'$:-$36'=%>'&?$3@-)A$)%$CBEDA+F'&?"$G6& 8%=H$%'$I@GJG8'&K6':<&'$$ L)MNPO)Q:R>STNVUXWMZY[S-O)MRQ<UXW]\I^_OT`OTaW<bcAO)MN 9CI"'/$&')de$fI'$/-)-A$%)g$ 8GG8'&A-"$f>$:-h6'<&'$:-$*i)1Z@+jk"'*&$/'i<$(@$%_lm1$*Dd:-" $:G8&H"5n%)-iT<=$#$'<"o$ NqpgO?rsUjMutiWfv_UjM%vWsQTcwRNqUXWMxO:yS-p'RM8z8Ot|{)O)N~}dO<O)M buQWNXRz8WMU\)Nq\ 5$:-)%'CI"'/+q)$I$IZ-"'5@)$PDk6'<&'$-$) Y\)NPO)c*Q-S-p>UjNfO-S)N~8QRa' W%t8O)a8L%t8O)MN~U SRNVUXWsM 9B$8$$C)$%:uKw$+u$3<"'9 %)'-!A8'%V'X-"5$:>$:-4$I=Hw$#+nJ-$I%6'%$776-&'$$3lm7$IDd:-" 6'&_ -" "'$%:$*'|$:+jPD5%w6'@$ %|6'=A"'5/+6'-&$$ Y\)NPO)cQ<WsNXR]z8WsMgU\TNj\ARs\<r17OPbQ-O-\]OTMgNVRNVUXWsM 9g:-"*@-J%K+,"76'&'$:$ e-"'n-)'$n*"'&"e'$-)-_TG)_<"'%T-'>%$n'%-J%,C>'<" @Jg%s-A$'GHg$Z"'*-A$%)$dD3(%Z>dD "'1%-"Z$:>$:% 6:-&'$I$ 61+n6:+qw'&w$w?6''=d-$(@$dlP" $-"?-$(H$)7+q %<"6-&'$: $I'$%u)@Z'$'&K *2$g7I2$)u'k03I2$) uL_t>O-\)UJzMoRMRa]\)U\eRMutOTMp'RM,S<OTcOTMN 9J-"|"_0B/5u-"e8$ NXRs\<rAp8UXO)Q:RQ-S-p8UXSRa cAW%t8O)a> # b -Q <O \ )O M XN R VN XU W M -S W # c b W , M )O M F N A c %W 8t TO 'a 0I2¡ 2 )¡ NXRs\<r_S<W]WsQtUjMRNVUXWsMcAW%t8O)a 72k¡3 :H'$¢-£-¤"'Z¥#l5)$&[o7G:"'%$$d$<"¦w>'$§'xiuZ8¨x '"')%)+qk&'-'&©"'¥7l_$&ª$6%Js-[«7-|-"sI"'k8'%$A &JGsd1"'&"'$:-)-K)G%g'w$§/+q-"%)'%w%$C')%'A+q A66'&*"' ¥7l'$&k$6%%J%-k@¥#ld$+jPD§'%$&$6u)%J¤¬]®¯V J""#'[ '>$$C'w%"')%w%d+u"' ¥#l°$&w$C6:+qw%_D "' '$$±>'K'%$&'±²$CG>DI$ :)e'¤¤T<[ZB*$_|%$:C0uB*³w>)$?A%"')%´k&)-A-"¥#l )$&$:6u%'%[nlm$CD:-"$:G8'&?-" *2 >7I2µ03I2¶#$w6'K$T G>TD 6u=-$ +"'e$w§)8P"g#$I-"'5-$(Z$*+"'?$:8$-)·6'&'$$%I"'§A $:-6'$+,'6'-&$f9P-')$&A66@<"+q¤A,-Gd$8$w$d"$u% 6:%$@]G ¸I¹º » ¼½¾¿CÀ½Á/ÂfÃ8¾ÅÄÆ,¾Âf½3Á¶ÇȽ¾¿n¾'Â:½Á I"'|6:Ao'$T-´+#"'k0B/É$K"6-&'$¦0C<&'$:-$K¦Z%"w $:%ww$8$%Êw6@$A6>'&£AsË:w$Kx-T-¦$%'$ÌI"6' $)+u-"'#0,B*$C"#6'-&$:B#A-)-)-G#$:8$Í$CG>)DZ$1%%T- +[6'-&$$3-'&5D "%<"H-"'%6'$%-)|@A_.502£'Î<"H6'<&'$% 6%:+qÏ'ZeA<$(@$%oI"'$Z-$(8$w¢"_=$"6'$_:H'$%¢-"''&" "'7I2 B*'C"'k$:-'+*-$(@$$%6')ªG8= "'| /2©3I"'0B/·$ $'6'6@©DI" "'w03I2©"&"&"'&"K6')$@--o$6%$%°DI"-"©6]G8'$5"' 8% = H8 :Ë % $ '%6')@7+"/-8(@$-¡3Ku1'$8A-"'1&'/@,_9 6'@n&KÐH$"']D $1-"w8'%$*-"1w6$%$/"'w0uB/5!I"'%$w>'$1K$:%£- %6'1"1'$%I@%+~%1'%$&, lP§'J[]$%)$°3$§-Iu)%°'@+j#"D¢76-&'$F$°1*'"' e-16:-"'I$:%Ñ@'%%&§w'&7-"'-$(@$C+q%<"6-&'$%lmC$nDd:-"K$:G8& "I6:-&'$:$6'%$1|>G'%1%$+n'$:-[Xn-"H?$|@ $+jPD*)&'%)$d§w7'-_'$'['8'%V>'H'TG6A"'*6-@%=$$ +@%)GI$:8$-)$7-"$C$)K$%)%'wDI"e-"'Iw$'_$$'& $:%§D J-"§0uB/Òe"')e37I2 *2Í'_03I2©sI"'%$:I>')$°)G%e+qÓ-"'.5032 56: +"'50uB*?g"'?>')$I56')$@Z"'1+q]DI='&e$''$%)'$ 335 XVI Simpósio Brasileiro de Engenharia de Software Task Coordination Model General Protagonist Model Task Hierarchical Model Presentation Component Model !#"%$ (& *' ) +' ) ,.-0/1-243576298:;3<=8!/?>*@A:CBD8FE1-5#GH,.6%BJI K LNMOPQRSMONTRMUVVWX YUVZMW[\]^M`_acb]$"dAe[\VRfg\ih\j klmnh jAopjAqrts uwv rnxjAhZmnq u UMVyUVRTARA#\%Pp0RzWQgUV\M{WzVVcMd ;|^WizW}z{ Q~$d zW(f!| MzPMTMU VW^ wMOWRMO\zW VV0V P$g_U!TzTRM{f;|e0A| TZyMWyVwMW;M9\W MM#TRzRTH\zW]=UV M{WzVVR$WMOz WfO\U[TAR[MPQMOW{\zn0Wd\7 z7UM4R . M \T X U [ \ M { W z V R g $ 7 y A W ( f % R z W z 7 A !U R AT R X ZMWMQ[0V\APRVT zU\z{W [0V PWAdeUPpAW0$ U \MWPC0#.Ve{t P\[\RP TVzU z{WMWtV{PLVTRAWM z | } $ Y U M W z [ ] RT M W VQMWV0V P TPCU!{WW{\]U¡AWzW}{W TRzVW¡|^MUMVVFM#|VwWU 0TRA Q QW TRM [AC{MO\PpMO[¢ zT;Mzz{$?Q\zRf\]!c"£[RS¤¥~;¦§+$¨VU¡ATRT;MO WW. ¡#"£zWz Mzz TA R M TA `{\MOUª© K X«d|VQ WR#V\MW`t{#UVZMW\ MOWi\R{ TWWAT WWRAW{\znzWi\ AMV{W zU H|ARW¬ U OZM{W[\$"\.\MO RT M [ . ^ Z OM w R =f {W R M AT \ z { W A | X W \ A y U \ M { W V 7 N P [ ^ \ M U M T $ | z ® f Q M U V O ¢ \M{WzV^PCM;.TRM[V{#MNZMV.W AM \pMW R{WO$dAWTRAtVV(f= A %MQWRR TRMU\ ]WO WX[R MTH\z{W M[.[\RPN¢RW MVR¯MT W$#w zWM.W\MO\z{W MT;MU\V]W}VQ A]MTA WTW[\\ R%MWVMWTQ C R%W{\[*MTAQV{W WRA$°WVR±wWw zfwM^ zWA?WM^W\M W VM?Mz4|1Pp²OA(\TRMUVV\g|^ zW0VR MTV{WUTA [$Y p7\p¡#"³U[9e0zRy p zWAy|z M{M [\ MTA\z{W zeFW\M z{WY\M9Mz9|^7Pp²OR Q0TRPQRW{^\ VR^Ww V*MT#RVW ±wVRPQWw $ ´ M e 0 ;T 9M \ R N W V Z OM V g U V Z OM { W z V V ´¢ z wW M W M V M W N p W 9M # M M ¢ [\ MTA\z{WpzAe|R d{Wz cV7zW{\RW{ WM dTRMU\V($zPCMA\d A7W{ R[*MT zWQRMVRtgMWzWMOWQU MWMg AWPCAW0UVTARVU[TARAgW{\ MzR VR±wVPCWw M[^ \MWApMOWpzPCURPQRW{\MO\zWNATRVWMV^PpM$ad AzW{\RW{ WMO \M %M [ \ V M AT N W z e OM ´¢ A e R 0 { { OM 1 ^ | ZT ] H V % W 7 V R A ¶µ g T W RT U \ M C P R M d[0V P$a^ W{ Ww z{Wg % MT\.MwM!M[RVT AMOM%CM VV\MTA\zWCzeR|^z ¢ {dVtVRWTAN YMW{}\P·UV W{ZMO WXtRMO\ $dW[ZMWTf¡W}MCV0V RPfg¸jH¹jArj v º ¹j UVRVWw ^M [RzW{\WwVWQWC ^ZMVQM VV\MTA\zWCAeR®$4|He{ARf1¸h v;uQv º ¹jdm®»\¼Oqr¼ v 0¸ Zj As *r nm q v r+m®¼9qY©*O$¶$gMV\M[TRMOWYTA{W=«Hf\^TRPCPCMWhZo º ¹jgV\g dTAPCPpMWh jAop¼O½j º ¹j M[p[RVU¡AT\ezR[TRVU W%z;|7¢AeVR%Ww W{\W|^\V{\UFfTPCPpMW¢ MO (f MWWM MFMOW{McWw V*MT MOU¡AVtVP¾ yMO 0TRMO\A¢´AeRW{\Ww W$ "dO\y M#M VV\MTH\W}cMYAXU zWTRzU%W}MWwXz TAUzW%MWiVn|7MO NRWWAR[WYz WyMWHTRU W($_0T\SMTWTRU%\{H\|^\PC0M ¤¥~;¿f~;À9§MO QVSM%V{W {WRzWVU OZM{W[V¢ W{\MUU MT\($ 336 XVI Simpósio Brasileiro de Engenharia de Software !"#$ % &')(+*-,)./0213/546,)0879":;,<08(+4=(?>@,<.A/CB'(+,<:+D?(E4302F,)F5GH,).3/502'ID+(E:?J2FK:+431#,).3/508'L084E,</"'M:+9N,)02(+43FL:?,O:P.308DE. :+QAFM,)'):+9N,)02(+4PJ2/NR+/"JSG,).3/UTKVXWY0ZF(+Q3,):+0243/51\[^]A_39<.!:`*a(1A/"J02F^13/5'M08RE/N1bF)*a(c(+,<.3JedfQ:+F/"1g(+4h,).3/ 084c,M/"'):?95,M0Z(+4iF)9N/"4:?'M02(EFj.3/"'/k/":?9<.gB'M(+,):+D+(E4A02FM,l.:+Fl08,)F^*:nm(E'DE(E:?J081/546,)0e7o/51h:+431b08F^95:?Bo:?QAJ2/ (+>HB/5'M>p(?')*a0Z43DOFM(+*/KB3:+',)029"_AJZ:?'q,<:?F)r6F5[ st08,).u,<.3/iTVXW :;,U.:?4A1\Gq:h,<:?F)r#F)/N,U>p(?'O/v:?9w.xB3'M(?,w:?D+(+4302F,O08Fk9":+B,<_3'M/51yR02:h,<.3/fz{|W}[ zH:+FMry.308/"'):?')9w.3089":+J*(1A/"JF).3(~jF`.A(~j,):+FMrcF:;')/i.302/5'<:?'M9w.30295:+J2Jed(+')D+:+43025/51\[t,w:?FMry9":?4Q/ 1/N9"(+*aB(EF)/N1C0246,)(IFM_3Q ,<:?F)r6Fq:?F02J2J8_3FM,)'<:;,)/51a024&08D+_'M/?:3[|1A1302,M02(E4:;J2J8d+G?/":?9w.C,w:;F)rk9v:;4C9"(?4FM08FM, (+>X(E43/a(E'*a(E')/U:?9N,<08(+43F"[a,K*`:"d!:?J2FM(i9N(E4E,w:?084}B3'M(95/513_3'M/"FKj08,).}FM0243D?J2/U(+'K*O_3Je,<08B3J2/O:?95,M02(E43F5[ ^95,)08(E43FNG?084K,)_3')4\G;*a02D+.6,Q/XB/5'>p(+')*a/"1(E4I(EQcmM/59N,)FH:+FFM.(vj4O084L&H02D+_3'M/X?Q\[z.3/z{|W02F:?02*a/"1 :?,K13/5F)9N')02QA024Di,)./a.302/5'):+'M9<.6d!(?>@,<:?F)r6FI>p(E'/":?9w.uB3'M(?,w:?D?(E4302F,"[C4u:+131A08,<08(+4\G/v:;9w.#B3'M(?,w:?D+(+4302F, .o:;Fq:K*C:nmM(?'XD?(6:?Jo:?FMF)(c9"0Z:n,</"1aj02,M.C02,MF)/5J8>[Hz.A/|D+(6:;J08FR08/5j/51f:;F@:FM,w:n,</l,).:?,,<.3/lB3'M(?,w:?D+(+4302F, :+08*F,<(a:?9w.308/5R+/?[ sub-task procedure: action procedure: action action action(object) Task sub-task sub-task (b) sub-task (a) &08DE_3'M/K/59"(?*B(EF)0e,)08(E4`(?>:a,):+FMr[ (+4F021/N'C,M.3/b/NA:+*aB3J8/h(+>|,).3/bD6:;*/iF)(? 9v:?J8JZ/N1cN~Uj.3/"'/h,<.A/h*C:~mM(+'D+(E:+J02Fa,)( /5FM,<:?Q3J208F).:LFM/"6_3/5439"/(?> ,).3')/5/|B302/59"/NF"[z@029 ,<:?9N ,)(/l02FB3JZ:vd?/"1`j08,).f:OFMc_:;')/Q(E:+'19"(+46,<:?02430843D :=;A#:?'M'<:"d(?>|B(?F)08,)02(+43Fh¡=J80243/5F5G}9N(EJ2_3*a4F)¢N[ a * ~( +R i / "9 +( 34 MF 20 F ), F ?( > F "/ 2J 5/ N9 ), 20 34 # D = : B E( MF e0 <, 80 E( 4 :+4A1x9NJ2089wru(+4y08,U,M(=*:+'Mr},).3:?,aB(EF08,)02(E4uj0e,<.\GX/?[£D[eGq:?4y¤(+'¥O[¦z(=j084§:gD6:?*a/+G:!BJZ:"d+/5' 43/5/"13F|,)(`/"F,<:+QAJ202FM.g:`F)/Nc_3/549N/a(?>,).'/"/O(+>0e,)F^(~j4!*:+'MrcFO¡p¤¨(E'|¥K¢l.(+'M025(+46,<:?J2JedEGR+/5'M,M029v:;J2J8d (E'@130Z:?D+(+4:?J2JedE[ z029 ,):+9 ,<(c/08F¦:l,M_'M4 Qo:?FM/51UDE:;*C/XQ/59v:?_3FM/:^B3J2:vd+/"'02F(+43J8dL:?J8J2(~j/51L,M(*:+r?/:*C(vR?/qj.3/"4 0e,02F024g.302F<©;.3/"',<_A')4\[Uz029 ,<:+9 ,<(c/k')/"6_308')/5F,j(iB3JZ:vd+/5'MFK>p(+'K:fDE:?*/?[Uª^(;,</k,).3:?,,<029 ,):+9 ,<(c/ 08FO:i43/5,j(E'Mr?/51s}/"QuDE:;*C/;GH0S[«/?[P:i*O_3Je,<02BAJZ:vd+/5'KDE:?*/Uj.089<.u0246R?(+J8R+/5FL,jX(gBJ2:vd+/5'MFI,<.3:?,O:?'M/ :+QAJ2/k,<(PB3JZ:vdg,<.A/DE:?*/U,<(+D+/N,<.A/"'I:+431#084E,</"'M:+9N,Ij08,).#/":?9w.u(?,).3/5'KRc0Z:i,).3/"08's#/5Qu95(E4A43/"9,<02(+4\[ &08DE_3'M/q¬L08J2J8_3FM,)'):?,M/"F:F)95/54:?')02(j.3/5'M/,<.3/BJ2:vd+/5'¤*C:;r+/5FX:K*(vR+/l:?431a,).3/B3JZ:vd?/"'X¥_3B1:?,)/5F ,).3/CD6:;*/CF,w:;,)/+[Pz@0Z9w ,w:;9N ,M(A/aFM,):+',)Fk(+_A,OQEd#FM/N,),)0243Dh_3By:?4u/5*BA,d=DE:?*/Q®(E:;')1u:;41uDE08Rc0843D (E4A/L(+>¦,).3/OB3J2:vd+/"'F|,<.A/L7')F,|,<_A')4\[¥4A9"/O(E4A/L(+>,M.3/kB3J2:~d?/"'F02Fl/54:?Q3J2/51y¡/+[£D3[l,<.3/OBAJZ:vd+/5'l¤K¢G .3/v©;F).A/^*:+r?/5FX.302F<©;.3/"'*C(vR?/^:?431,).3/lB3JZ:"dUFM.308>¯,)FQ:?9<rk,<(,<.3/l(?,<.A/5'XB3JZ:vd+/5'5[¦z.A02FX/N9w.:?43D+/^(+> ,)_3')43F^95(E4E,)0246_3/"F^_4E,<02JH:aj084\GJ2(+FMF"G(+'^,M02/K,w:?r;/"FB3J2:?9"/;[lst.3/54b,<.A/ODE:?*/K/"4313F5G®d+(?_g9":?4bF,w:;'M, :43/Nj°(+4A/L0e>,<.A/5')/I0ZFl:+4h(?B3B(+43/546,|(+'d+(+_b9"(?_3J21PBJZ:"di:+DE:;0Z43F,,).3/I95(+*B3_A,)/5'|0e>:?4h:+'M,M087o9N0Z:+J 084c,M/"J8J202D+/54395/^¡p|¢HF,<'):;,</5D?dL02FH_F/"1\[4O,).3/@J2:;,),)/5'9v:?FM/:|D+(6:?Jc02FH*`:;B3B/51O(E4E,<(|,<:?F)r6F¦(?>'M_343430843D ,).3/^D+:+*/;G6jq:+0e,)0243DKd+(+_3'X,<_3'M4\Gc734302FM.3024D,<.A/|DE:?*/?Gc:+4A1CF)(I(E4\G:?FXF).3(~j40Z4&08D+_3')/^±[Hs²08,).3024 /":?9w.Pz{^W}Go1302³/5'M/"4E,/"J8/"*a/"4E,<F:+'/K')/5BA')/"F/"4E,</51g:?F>p(+J8J2(~jF" · 5 + º cR 20 5/ Xj "/ 1 ?: i F x : F <, ?: M, = / ), . ?: f , <, A. = / AB )' ?( <, ?: ED +( 34 80 MF i , +: 80 * ` F ), § ( ;: w9 3. 20 N/ +R ?/ » [ & +( ' ´²µ¶ ; v · n ¸ 2 N¹ K / A ?: C * AB 2J ?/ AG ), . / 3B M' ?( w, ?: +D +( 34 20 F , +D 6( ;: \J ?( > ¼ eº ? ½ MF . v( j i 4 20 i 4 & 20 ?D _ M' I / ± [ ´ µ¶ ;v·n¸2¹Nk;¹<¾P `'/5>p/N')F,<(¿:x1A/N7o43/N1B308/"9N/=(?>Lj(+')roG_3FM_:?J2Jed(+>IF).A(+'M,P(E'J208*0e,</51 1A_'):?,M02(E4®Go:?F)FM02D+4/N1P,)(C(E'/NB/"9,</"1g(;>:BA')(+,):+D+(+408F,"[q^4P/NA:+*aB3J2/K(?>:U,<:?F)rf02FKÀv¼AÁ6? ¯Â^·E?Ã`|¹N?N[ 337 XVI Simpósio Brasileiro de Engenharia de Software !"!#$&%('*)!$,+.-/!0'1$231'1546+.$#7!84:9<;50$/'1= $>+'1!?3*,$#@-23A'1"!31@>0B'*$2B9C;DE!,FG&H/IJDJLK2NMOI>PQ8RSJTIJDBUVW>BOX2 4ZY[X-!B):'1\MBJ]JLK2^MI>PZ^RBJTI>J_RB9 a` SJcbTdef0 2>!'1g-/)C$0B$#$3/ FOh9i;T]'*j"2#j$+k^"2#$(0)!-!#9jl!XdkmJcb noI>J_bTd LJ /K I J XI [H Ap I Oq S X QP >r ts I eR P I o *' > : S /u > Q /" 13 e $ v+ > 6 B0 1' $ k 9 gwxcy SJ2]O'*D4Q)!z2/h)6YO4Z'1{"!#$"[h#'*h>/)W'1o$0h'1)W|'AW$/$#oC$#^>0'1$!9 l/,RBJTI>JcR{$+}2?C'16$Y~0Bh9 game state Player X Player O move 1' ? !- # ! t t .+ $ {# 1' S0 5 S0 T $ 9 PlayerGoal: play tic-tac-toe Wait your turn Finish the game Update the game state Inform your move to the opponent 1' ? !- # X ( j l e >$ }+ 1' 0 5 B0 5 ($ 9 5 i(t2ev!t eV l7 ¡'*"¢>#o$+f!e¤£^¥¦>!)Q'1{-/h)§$@)!h0h#'1Y[^2$|¨"!#$>>?$/'1FO>#\#h31B)Z$@$! /$>!#9ª©t>0G"!#$>?$/'«<2>@'*X FO@)2B0h#'1Y[h)!#$-/?G:l7 9vl '1@:)!'1#h0Bh) ?#"!Z|!#!$)2B>!)§+.$#>FO>!)6B)!?0$!!0'12?,!$)2B#"/#hh!e'*@-231'2¢ #'1?>?#72h%('1?>'1$:>C$!?C >F9lo!,'*)!C'1^/$>e$/3*46$!$&|¬!NFe$>+]Q"!#$> >?$!'1 Y!-/o3*$<$@#S%h>3k!\#h31'*$!!'1"Q>C$!?N!h!)Q$@'1)/h'A+L4'AQm~$#?$35®. ¯BU'T9°9}2$| !FZ0$($#)/'12>'1$+.$#>0 :"!#$ >?$!'1oFh"23«0h>9 :$#$&%#U!{)!'*?!h#})!$hv/$>v0$!0h'*%>{/'1V$)23>v$!0>9v;D/'*'1>3«3A4U&!h±>!{'1)2BO'*z2 !"!#$>?$!'*?$>3D®. ¯^!)E >FOhU}!h!$&|²!B4³#C#B3«>h)³$6h0$!#<>!)´Uµz2¢>3*3*4U |2µ'*@-23*'0h>-!]2%'1?>'*$^Y¤BD|hX >FOh9v;D"2>#'*0h-!31#U2j#'12m'1$\$+$!j>F^0h $>'A%>\,2%('*?O'1$Q$8!$>!h#oF[9j£\31$/U20B'1$!{$+V$>/h#o"!#$?>$2'1=o4Q0-!! 2%'1?'*$8Y¤SD|{BhC >Ft'1,2l7 E9;DQ)!)2'*'«$kU>!)!'*#0BB)QB)!?Bt'*Cl ¶>#3«>Y[h3*h) |'AW'1,-!3*'k0h>-!)ªY4Z!N>0'1$!"[#+.$#Ch)6Y4W"!#$> >?>$!'1B9]]#$> ?$!'*0: u(0 2!? 0S'*$µ®c¯Y[ D|h¨>0 $>!#9g£^)/)!'*'1$2313*4U{"2#$ >?>$!'1W>0B'1$>!Z0¨Y[·"[h#+.$>#Ch)a$ $Y~0B9 1' ? /- # Z ¸ *' 13 *3 !- # X !§7l o .+ $ @# 2Z!" 13 4 h B# ¹9 7¥ >$ 2@ 2Zl !$>,$!3*4 !$&|\/X>FO^$+j!N"!314#7Y!-/e>31$#%h>31/<#B3L'1$/!'*":>$!?8!h6U¢'T9°>9o/$m|¦! 0$($#)!'12'*$Q >F>h"!310>9 338 XVI Simpósio Brasileiro de Engenharia de Software PlayerGoal: play tic-tac-toe opponent paired Wait your turn new game win, tie or draw state updated Finish the game end of game move notified your move his move Inform your move to the opponent Update the game state ! $ " &# % ')(*,+-*,./0/1324.657298;:<24.=*,.>/@?A2CB*,DFE 'G57? 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