ftp://ftp.delegate.org/pub/DeleGate/doc/History-199801-ja.txt
------------------------------------------------
$@1GA|%a%G%#%"3X2q;o(J Vol.52,No.2, pp.153-156(1998)
$@$F$l$S!&$5$m$s(J - $@$b$N$r:n$k$3$3$m(J($@Bh(J23$@2s(J)
------------------------------------------------
$@%W%m%H%3%kCf7Q%7%9%F%`(JDeleGate$@$N3+H/%9%H!<%j!<(J
$@:4F#K-(J
$@EE;R5;=QAm9g8&5f=j(J $@>pJs%"!<%-%F%/%A%cIt(J

History of Development of Protocol Mediation System "DeleGate".
Yutaka Sato
Computer Science Division, Electrotechnical Laboratory

[$@9<35(J]
$@%$%s%?!<%M%C%H$rM-8zMxMQ$9$k$?$a$K3+H/$5$l$?!"%W(J
$@%m%H%3%kCf7Q%7%9%F%`(JDeleGate$@$N3+H/7P0^$r>R2p$9$k!#(J
$@%$%s%?!<%M%C%H$rMxMQ$9$k>e$GI.<T<+?H$,D>LL$7$?Ld(J
$@Bj$r2r7h$9$k$?$a$N$A$C$]$1$J%W%m%0%i%`$H$7$F;:$^(J
$@$l!"$=$N8e<!!9$HD>LL$9$kLdBj$r2r7h$7$D$D3HD%$5$l!"(J
$@0lHL$K8x3+$5$l$FB??t$NMxMQ<T$N;Y1g$r<u$1$J$,$i!"(J
$@<BMQ$N%=%U%H%&%'%"$H$7$F;Y;}$5$l!"5^B.$K@.D9$r?k(J
$@$2$?%=%U%H%&%'%"$N@.D95-O?$G$"$k!#(J

$@#1!%$^$($,$-(J
$@==G/4V$K5Z$VCOF;$J;n9T:x8m$NKv$D$$$K5;=Q$NJI$rBG(J
$@$AGK$j<BMQ2=$K@.8y!#$H$$$&FC$K%O!<%I%&%'%":n$j$N(J
$@@$3&$GJ9$/$3$H$N$G$-$k46F0E*$J%9%H!<%j!<$O!"K\9F(J
$@$G>R2p$9$k%=%U%H%&%'%"$N3+H/$K$*$$$F$OB8:_$7$J$$!#(J
$@<B:]$=$l$O3+H/$r;O$a$?MbF|$+$i<BMQ$K6!$5$l$F$$$?(J
$@$7!"$=$N8e?7$?$K5!G=$d2~NI$r2C$($kETEY!"B(F|8x3+(J
$@$5$lMxMQ$5$l$FMh$?!#(J
$@!!$3$3$K>R2p$9$k(JDeleGate$@$O0lHL$KBeM}%5!<%P(J(proxy
server) $@$H8F$P$l$k%=%U%H$N0l<o$G$"$j!"%;%-%e%j%F(J
$@%#$N$?$a$NKI2PJI(J(firewall)$@$N9=C[$d!"%-%c%C%7%e(J
(cache) $@$K$h$k%G!<%?E>AwNL$N:o8:$r;O$a!"MM!9$JMQ(J
$@ES$KMxMQ$5$l$F$$$k!#5;=QE*$K$O!"%5!<%P$H%/%i%$%"(J
$@%s%H$H$N4V$NDL?.%W%m%H%3%k$r2r<a$7$J$,$iDL?.$rCf(J
$@7Q$9$k%W%m%0%i%`$H$7$F<B8=$5$l$F$$$k(J2)3)4)$@!#:#F|(J
$@3$30@=$,KX$s$I$r@j$a$k%$%s%?!<%M%C%HMQ$N4pHW%=%U(J
$@%H$NCf$K$"$C$F!"=c9q;:$N(JDeleGate$@$O(J1994$@G/$N3+H/3+(J
$@;O0JMh!"9qFb30$G9-$/MxMQ$5$l!"<gMW$JBeM}%5!<%P$N(J
$@0l$D$H$7$F@8$-;D$j!"8=:_$b@d$(4VL5$/@.D9!&Ia5Z$r(J
$@B3$1$F$$$k!#(J
$@!!K\9F$G$O!"K\;oFI<T$K$OFk@w$_$NGv$$$+$b$7$l$J$$(J
$@$3$N$h$&$J!VAv$jB3$1$J$,$i@.D9$7B3$1$k!W%=%U%H$r(J
$@!V>.$5$/;:$s$GBg$-$/0i$F$?!W;vNc$H$7$F!"(JDeleGate
$@$N3+H/$N7P0^$r>R2p$9$k!#(J

$@#2!%(JDeleGate$@$N3+H/$NGX7J(J
1994$@G/$OF|K\$K$*$$$F%$%s%?!<%M%C%H$,0lHL<R2q$KGz(J
$@H/E*$K?;F)$r;O$a$?0lG/$G$"$C$?!#GzH/$N0z6b$r0z$$(J
$@$?$N$O!":#F|!V%[!<%`%Z!<%8!W$HDL>N$5$l$k%5!<%S%9(J
$@$r<B8=$9$k(JWorld Wide Web (WWW)$@$N5;=Q$G$"$j!"$=$N(J
$@%^%k%A%a%G%#%"BP1~$N%V%i%&%6(J($@%/%i%$%"%s%H(J)$@$G$"$k(J
NCSA Mosaic$@$G$"$k!#%[%o%$%H%O%&%9$d<sAj41E!$N%[(J
$@!<%`%Z!<%8$,3+@_$5$lOCBj$H$J$C$?$N$b$3$NG/$G$"$k!#(J
$@%F%l%S$d0lHL;o$N$h$&$J%^%9%a%G%#%"$K(J($@$7$P$7$P(JWWW
$@$H:.F1$5$l$J$,$i(J)$@%$%s%?!<%M%C%H$H$$$&8@MU$,O"F|EP(J
$@>l$9$k$h$&$K$J$j!"$=$l$^$G<g$K3X=QMQ$N%$%s%U%i%9(J
$@%H%i%/%A%c$H$7$FCOL#$K1~MQ$5$l$F$$$?%$%s%?!<%M%C(J
$@%H$O!"4k6H$K$h$k>&MQMxMQ$d2HDm$K$*$1$k8d3Z$N$?$a(J
$@$N%M%C%H%o!<%/$X$H5^B.$KJQKF$7$D$D3HBg$7$F$$$C$?!#(J
$@!!0lJ}!"0lHL<R2q$K7vEA$5$l$?2Z!9$7$$0lLL$NN"B&$G!"(J
$@%$%s%?!<%M%C%H$O5;=QLL$K$*$$$F$bDL?.LV$N@0Hw$NLL(J
$@$G$bB?$/$NLdBj$rJz$(!"<B:]$K$O!"C/$b$,<j7Z$KK~B-(J
$@$K;H$($k$h$&$J>u67$G$O$J$+$C$?!#I.<T<+?H$bMxMQ<T(J
$@$H$7$FD>LL$9$k$3$H$K$J$C$?BeI=E*$JLdBj$O0J2<$N$h(J
$@$&$J$b$N$G$"$k!#(J
$@!!$^$:!"%;%-%e%j%F%#$rM%@h$7$F;H$$0W$5$,5>@7$K$5(J
$@$l$F$$$k$H$$$&>u67$,$"$C$?!#Nc$($PI.<T$N=jB0$9$k(J
$@EE;R5;=QAm9g8&5f=j(J($@EEAm8&(J)$@$G$O!"(J90$@G/$+$i(JWIDE$@%$%s(J
$@%?!<%M%C%H$K@\B3$7$F$$$?$,!"%;%-%e%j%F%#>e!"30It(J
$@$KD>@\%"%/%;%92DG=$J%[%9%H$O!V=PEg!W$H>N$9$k0lBf(J
$@$N(JUnix$@%o!<%/%9%F!<%7%g%s$@$1$K@)8B$5$l$F$$$?!#0l(J
$@HLMxMQ<T$,30It$N%5!<%S%9$rMxMQ$9$k$K$O!"$3$N%[%9(J
$@%H$K1s3V%m%0%$%s$7$F$=$N>e$N1~MQ%=%U%H$r<B9T$9$k(J
$@$7$+$J$+$C$?!#EvA3!"0[$J$k5!<o$N(JUnix$@$d%Q%=%3%sMQ(J
$@$N1~MQ%=%U%H$b;H$($J$$!#Ev;~$O$3$N$h$&$K86;OE*$J(J
$@KI2PJI$N<B8=J}K!$,IaDL$K:N$i$l$F$$$?$N$G$"$k!#$=(J
$@$l$G$bEv;~0lHLMxMQ<T$,MxMQ$7$F$$$?1~MQ%W%m%H%3%k(J
$@$O!"MxMQ<T?t$bMxMQIQEY$b8B$i$l$k(JTelnet($@1s3V%m%0(J
$@%$%s(J)$@$H(JFTP ($@%U%!%$%kE>Aw(J)$@$,<g$G$"$j!"ITJX$J$,$i(J
$@<BMQ$K$OBQ$($F$$$?!#$7$+$7(J WWW$@$N$h$&$KC/$b$,F|>o(J
$@E*$K<j85$N%[%9%H>e$GMxMQ$7$?$$$H;W$&1~MQ$,8=$l$F(J
$@>u67$O0lJQ$7!"$3$N$h$&$KITJX$J86;OE*KI2PJI$X$NIT(J
$@K~$OGzH/@#A0$H$J$C$?!#(J
$@!!$^$?!"MxMQ$G$-$kDL?.2s@~$NMFNL$OIT==J,$G$"$j!"(J
$@@\B3$N0BDj@-$K$b7g$1$F$$$?!#Ev;~$NEEAm8&$H(JWIDE$@$r(J
$@7R$02s@~$NMFNL$O$o$:$+$K(J64Kbps$@$G$"$C$?(J($@Ev;~$H$7(J
$@$F$OFC$K:Y$$$b$N$G$O$J$+$C$?$,(J)$@!#$3$N2s@~$O4{$K!"(J
NNTP ($@EE;R%K%e!<%9G[Aw(J)$@$H(JSMTP($@EE;R%a!<%kG[Aw(J)$@$N(J
$@$?$a$KK0OB>uBV$G$"$C$?!#$?$@!"$3$l$i$N1~MQ$O4pK\(J
$@E*$K%P%C%/%0%i%&%s%I$G<B9T$5$l$k$b$N$G$"$j!"?tJ,(J
$@C10L$NG[AwCY1d$,$"$C$F$b<BMQ$KBQ$($k!#$H$3$m$,$3(J
$@$3$K(JGopher$@$d(JWWW $@$H$$$&!"%G!<%?E>AwNL$bB?$/!"ICC1(J
$@0L$N1~Ez@-$bI,MW$H$9$k1~MQ$,8=$l$?!#$7$+$b$=$NMx(J
$@MQ$r4uK>$9$kMxMQ<T$O=>Mh$N1~MQ$KHf$Y$F05E]E*$KB?(J
$@$$!#0l?M$NMxMQ<T$,?t%-%m!A?t==%-%m%P%$%H$N%G!<%?(J
$@E>Aw$r?tICKh$K7+$jJV$9$3$N$h$&$J1~MQ$G$O!"(J64Kbps
$@$N2s@~$O?t?M$NMxMQ<T$GK0OB$7!"F1;~$K?t==?M!"?tI4(J
$@?M$H$$$&MxMQ<T$,;H$&$K$O$H$F$bBQ$($J$$!#(J
$@!!$5$i$K!"(J WWW$@$rMxMQ$7$FF|K\8l>pJs$r8r49$9$k$3$H(J
$@$bMF0W$G$O$J$+$C$?!#$=$b$=$b%$%s%?!<%M%C%H$rMxMQ(J
$@$9$k$?$a$N%=%U%H$O$$$:$l$b3$30@=$G!"3+H/85$G$OF|(J
$@K\8l$KBP1~$7$F$$$J$$!#FC$K(JMacintosh$@$d(JWindows$@$J$I(J
$@$N%Q%=%3%sMQ(JMosaic$@$O%=!<%9%W%m%0%i%`$,Hs8x3+$GF|(J
$@K\8l2=$,CY$l$F$*$j!"2?$H$+F|K\8l$r07$($F$b!"0l<o(J
$@N`$NJ8;z%3!<%I(J($@<g$K(JShift-JIS)$@$K$7$+BP1~$7$F$$$J(J
$@$+$C$?!#0lJ}!"(JUnix$@$r%Y!<%9$KH/E8$7$FMh$?%$%s%?!<(J
$@%M%C%H$G$OF|K\8l%3!<%I$H$7$F(J7bits-JIS(ISO-2022-JP)
$@$rI8=`$H$7$F$$$?!#$3$N$?$a%5!<%PB&$G$OF10lJ8=q$K(J
$@BP$7$FJ#?t<o$NJ8;z%3!<%I$NHG$rMQ0U$7!"MxMQ<TB&$G(J
$@$O$=$l$i$rL@<(E*$KA*Br$9$k$H$$$&L5BL$GITJX$J>u67(J
$@$K$"$C$?!#(J
$@!!Aa5^$J2r7h$,6/$/5a$a$i$l$F$$$?$3$l$i$NLdBj$r!"(J
$@$^$H$a$F2r7h!&4KOB$9$kJ}K!$H$7$FEP>l$9$k$N$,!":#(J
$@F|BeM}%5!<%P$H8F$P$l$k$h$&$K$J$C$?5;=Q$G$"$k!#Be(J
$@M}%5!<%P$O!"$=$N8zMQ$NLL$+$i8+$l$PMM!9$KDj5A$G$-(J
$@$k$,!"4pK\E*$JF0:n86M}$OC1=c$G$"$k!#$^$:!"%M%C%H(J
$@%o!<%/>e$N%=%U%H$N4pK\9=@.$O!">pJs$d5!G=$rDs6!$9(J
$@$k%5!<%P$H!"$=$l$rMxMQ$9$k%/%i%$%"%s%H$,!"5,Dj$5(J
$@$l$?%W%m%H%3%k$GDL?.$7$J$,$iL\E*$H$9$k1~MQ$r<B8=(J
$@$9$k$H$$$&$b$N$G$"$k!#$3$3$G!"%5!<%P$H%/%i%$%"%s(J
$@%H$N4V$,!"KI2PJI$J$I$N2?$i$+$N>cJI$K$h$jD>@\E*$K(J
$@DL?.$G$-$J$+$C$?$j!"$"$k$$$OD>@\E*$JDL?.$,Hs8zN((J
$@!&IT0BDj$G$"$k>l9g$K!"N><T$N4V$rCgN)$A$7$F8zN(E*(J
$@$JDL?.$r<B8=$7!"$5$i$KCf7Q$KH<$C$F@Q6KE*$K2?$i$+(J
$@$NIU2C2ACM$r<B8=$9$k$N$,!"BeM}%5!<%P$G$"$k!#(J
$@!!Ev;~$3$N5;=Q$O$^$@<jC5$j$NCJ3,$G$"$j!"$=$N8zMQ(J
$@$K$D$$$F$b<B8=K!$K$D$$$F$b$h$/CN$i$l$F$$$J$+$C$?!#(J
$@$7$+$7$3$N$h$&$JH/A[$OI,MW$+$iI,A3E*$K;:$^$l$k$b(J
$@$N$G$"$j!"I.<T$N(JDeleGate$@$r4^$a!"B?$/$NBeM}%5!<%P(J
$@$N3+H/$,FHN)$K3+;O$5$l$F$$$k!#(J

$@#3!%(JDeleGate$@$NBh#1HG$N3+H/$NNr;K(J
DeleGate$@$N3+H/$O!"(J1994$@G/(J3$@7n(J2$@F|$KEbFM$K!"I.<T$N0l(J
$@?H>e$NM}M3$G;O$a$i$l$?!#$3$NA0F|I.<T$O!"F1G/#47n(J
$@$+$i0lG/4V$N2J3X5;=QD#$X$N=P8~$rFb<($5$l$F$$$k!#(J
$@F1G/EY$K3+;OM=Dj$N>J:]8&5f>pJs%M%C%H%o!<%/(J(IMnet)
$@$NN)$A>e$2$K=>;v$7$F5;=QLL$G$N;Y1g$r9T$(!"$H$$$&(J
$@$h$&$J$3$H$G$"$C$?!#(J
$@!!Ev;~I.<T$N<gMW$J8&5f%F!<%^$O!"<+N'E*$J%=%U%H%&(J
$@%'%"ItIJ$r%M%C%H%o!<%/>e$G7R$.9g$o$;$FA4BN$H$7$F(J
$@F0:n$9$k$h$&30It$+$i@)8f$9$k4pAC5;=Q(J 1)$@$G$"$C$?!#(J
$@=>$C$F%M%C%H%o!<%/>e$N%=%U%H$r:n@.$9$k5;=Q$K4X$9(J
$@$k4pACCN<1$d3+H/7P83$O;}$A9g$o$;$F$$$?$b$N$N!"<B(J
$@:]$K@$$NCf$G;H$o$l$F$$$kMM!9$J1~MQ%W%m%H%3%k$K$O(J
$@@:DL$7$F$$$J$+$C$?$7!"FC$KN.9T$jJ*$K$OAB$/!"$3$l(J
$@$G$O=P8~$7$F$b$*Lr$KN)$F$J$$$HIT0B$K$J$C$?!#(J
$@!!$=$3$G=`Hw$N$?$a!"Ev;~%$%s%?!<%M%C%H>e$N>pJsDs(J
$@6!%5!<%S%9$H$7$FN.9T$j;O$a$F$$$?(JGopher$@%W%m%H%3%k(J
$@$r$^$:JY6/$7$F$_$h$&$H9M$($?!#$H$3$m$,!"EEAm8&$+(J
$@$i30It$N%M%C%H%o!<%/$rMxMQ$9$k$3$H$O!"A0=R$N$h$&(J
$@$K86;OE*$JKI2PJI$KAK$^$l$FHs>o$KITJX$J>u67$G$"$C(J
$@$?!#$^$:$O$3$l$r2r7h$7$h$&$H;W$$!"$=$N$?$a$K$O=P(J
$@Eg%[%9%H>e$G30It$N(JGopher$@%5!<%P$HFbIt$N%/%i%$%"%s(J
$@%H$H$N4V$NDL?.$rCf7Q$9$l$PNI$$$H9M$(!"$=$N$?$a$N(J
$@%W%m%0%i%`$r:n$j;O$a$?$N$G$"$k!#(J
$@!!:G=i$K:n$C$?$N$O!"$=$l$^$G$KI.<T$,3+H/$7$F$$$?(J
$@%W%m%0%i%`$+$i%M%C%H%o!<%/@\B3MQ$NItIJ$rN.MQ$7!"(J
$@B?>/$N%3!<%I$r=q$-2C$($?$@$1$N!"?tI49T$N>.$5$J%W(J
$@%m%0%i%`$G$"$C$?!#1s3V$N(JGopher$@%5!<%P$X$N%"%/%;%9(J
$@$r2DG=$K$9$k$H$$$&0UL#$G>iCL$a$+$7$F!V(Jgo-far$@!W$H(J
$@L?L>$7!"Mb(J3$@7n(J3$@F|$KEEAm8&Fb$G8x3+$7$?!#4JC1$J%W%m(J
$@%0%i%`$G$O$"$C$?$,!"$$$A$$$A=PEg$K=P3]$1$:$K(J
Gopher$@$rMxMQ$G$-$k$3$H$O2h4|E*$G$"$j9%I>$rGn$7$?!#(J
$@!!$5$7$"$?$C$FITJX$5$O2r>C$7$?$,!"DL?.@-G=$NLdBj(J
$@$G$"$^$j;H$$J*$K$J$i$J$$!#%G%U%)%k%H$G(JGopher$@%/%i(J
$@%$%"%s%H$rN)$A>e$2$?;~$K:G=i$KI=<($5$l$k%_%M%=%?(J
$@Bg3X$N%5!<%P$N%a%K%e!<$,!"$$$D$^$GBT$C$F$bI=<($5(J
$@$l$:!";~4V@Z$l$G@ZCG$7$F$7$^$&$H$$$&M-$jMM$G$"$k!#(J
$@$=$3$G!"7W;;5!20$NEvA3$NH/A[$H$7$F!"0lC6<h$j4s$;(J
$@$?%G!<%?$r:FMxMQ$7$F7+$jJV$7%"%/%;%9$r9bB.2=$7$h(J
$@$&$H9M$(!"%-%c%C%7%e5!G=$rF3F~$7$?$N$,(J3$@7n(J4$@F|$N$3(J
$@$H$G$"$k!#Ev;~$O$^$@%5!<%P?t$,>/$/$F%"%/%;%9BP>](J
$@$N%G!<%?$N=89g$,>.$5$/!"4JC1$J<BAu$J$,$i9b$$8z2L(J
$@!J%-%c%C%7%e%R%C%HN(!K$,F@$i$l!"$H$b$+$/$b(JGopher
$@$,;H$$J*$K$J$k$h$&$K$J$C$?!#(J
$@!!$I$&$K$+;H$$J*$K$O$J$C$?$,!":#EY$O%$%s%?!<%M%C(J
$@%H@\B3$NIT0BDj@-$KG:$^$5$l$k!#$H$K$+$/IQHK$K30It(J
$@$N%M%C%H%o!<%/$K@\B3$G$-$J$/$J$C$?$j!"(JDNS$@%5!<%P(J
$@$,0z$1$J$/$J$k!#%-%c%C%7%e$NF3F~$G>u67$O2~A1$5$l(J
$@$F$O$$$?$,!"B>$K$bM-8z$JJ}K!$,L5$$$+$H9M$($?!#$3(J
$@$3$G!"EEAm8&$H$OJL$K!"9)6H5;=Q1!>pJs7W;;%;%s%?!<(J
$@$+$i(JTISN$@$K(J(64Kbps$@$G(J)$@@\B3$7$F$*$j!"EEAm8&$+$i$O$3(J
$@$A$i$N7PO)$bMxMQ$G$-$?!#$=$3$G!"$3$N(J2$@$D$N7PO)$r(J
$@M-8z$KMxMQ$G$-$J$$$+$H9M$($?7k2L!"30It$N%5!<%P$X(J
$@$N@\B3$r(J2$@$D$N7PO)$G=g7+$j$K9T$C$?$j!"0lJ}$r7PM3(J
$@$7$F@\B3$G$-$J$+$C$?$iB>J}$G:F;n9T$9$k$H$$$&!"7P(J
$@O)@)8f(J($@$*$h$S(JDeleGate$@$NB?CJ@\B3(J)$@$N5!G=$r<B8=$7$?(J
$@$N$,!"(J3$@7n(J5$@F|$N$3$H$G$"$k!#(J
$@!!$3$l$i$HJB9T$7$F!":G=i$N?tF|4V$N$&$A$K(JTelnet$@!"(J
NNTP$@!"(JFTP $@$rCf7Q$9$k$h$&$KAj<!$$$G3HD%$r9T$C$F$$(J
$@$C$?!#$=$N2aDx$G!"$3$N$h$&$JCf7QJ}<0$r0lHL2=$9$k(J
$@$3$H$G!"Cf7Q$7F@$kMM!9$J1~MQ%W%m%H%3%k$d!"<B8=$7(J
$@F@$kMM!9$JIU2C2ACM$N2DG=@-$,;W$$Ib$+$S!"5$J,$,Hs(J
$@>o$K9bMH$7$?$N$r21$($F$$$k!#<B:]!"$=$N8e8=:_$^$G(J
4$@G/4V$KEO$C$F=*$o$j$NL5$$3HD%$rB3$1$k$3$H$K$J$k(J
DeleGate$@$N5!G=$NBgH>$O!">e5-$N5!G=$d%"%/%;%9@)8f(J
$@5!G=$r4^$a!"$3$N:G=i$N0l=54V$K$4$/4JC1$J%W%m%H%?(J
$@%$%W$H$7$F2j$r=P$7!"$"$k$$$OM=8+$5$l$F$$$?!#(J
$@!!9bMH$9$k5$J,$NCf$G!"$R$g$C$H$9$k$H$3$N%=%U%H$O(J
$@D94|4V$+$1$F0i$F>e$2$F$$$1$k$+$bCN$l$J$$$H;W$&$h(J
$@$&$K$J$j!"G0$N$?$a$^$H$b$JL>A0$rIU$1$FCV$3$&$H!"(J
3$@7n(J8$@F|$K$O(JDeleGate$@$H2~L>$7$?!#$=$b$=$b$3$NL>A0$,(J
$@;W$$Ib$+$s$@$N$O!"Ev;~3+H/$7$F$$$?%*%V%8%'%/%H;X(J
$@8~%7%9%F%`$G%/%i%93,AX$r<B8=$9$k$N$K:NMQ$7$F$$$?(J
delegation$@$H$$$&35G0!"8@$C$F$_$l$P<B:]$N=hM}$r9T(J
$@$($k$H$3$m$^$G<!!9$KMW5a$r$?$i$$2s$7$K$9$k$H$$$&(J
$@35G0$,!"$3$NCf7Q%5!<%P$H=E$J$C$F8+$($?$+$i$G$"$k!#(J
delegate$@$O!V0MBw!"0Q>y!"BeI=<T!W$H$$$C$?0UL#$r;}(J
$@$A!"$7$P$7$P(Jgateway$@$NC;=L7A$H$7$F;H$o$l$k!V(Jgate$@!W(J
$@$r4^$s$G$b$$$k!#AH?%$rBeI=$7$F30It$K%"%/%;%9$9$k(J
$@%=%U%H$rI=$9$N$K$T$C$?$j$@$H!"$3$NL>A0$K7h$a$?!#(J
$@!!$H$3$m$G!"$3$3$^$G$K<B8=$7$?Cf7Q$NJ}K!$O!"(JUnix
$@MQ$N%/%i%$%"%s%H%W%m%0%i%`$K<j$r2C$($F!"D>@\L\E*(J
$@$N%5!<%P$K@\B3$9$kBe$j$K(JDeleGate$@7PM3$G@\B3$9$k$h(J
$@$&$K$7$?$b$N$G$"$C$?!#$7$+$7!"Ev;~$+$iEEAm8&$G$O(J
Unix$@0J30$N%3%s%T%e!<%?(J($@<g$K(JMacintosh)$@$NMxMQ<T$,(J
$@M%@*$G$"$j!"$=$l$i$N%[%9%H$G(JGopher$@$d(JWWW$@$rMxMQ$7(J
$@$?$$$H$$$&MW5a$,6/$+$C$?!#$@$,%Q%=%3%sMQ$N%/%i%$(J
$@%"%s%H%W%m%0%i%`$K$O<j$,=P$;$J$$!#2?$H$+!"4{B8$N(J
$@%W%m%0%i%`$r$=$N$^$^;H$$$J$,$iCf7Q$9$kJ}K!$,$J$$(J
$@$+$H9M$($?!#$=$N7k2L9M$(IU$$$?$N$,!"(JGopher$@%5!<%P(J
$@$+$i$N1~Ez%G!<%?Cf$G%5!<%P$r;X$7<($7$F$$$k<1JLL>(J
$@$r2C9)$7$F!"$=$l$r<j7+$k%/%i%$%"%s%H$NMW5a$,I,$:(J
DeleGate$@$K8~$1$i$l$k$h$&$K$7$D$D!"2C9)$7$?<1JLL>(J
$@$NCf$KKd$a9~$s$@<B:]$N%5!<%P$N>pJs$K4p$E$$$F(J
DeleGate$@$,Cf7Q$r9T$&!"$H$$$&$b$N$G$"$C$?!#$3$l$K(J
$@$h$j!"BeM}%5!<%P$KBP1~$7$F$$$J$$%/%i%$%"%s%H$H%5(J
$@!<%P$N4V$rCf7Q$9$k$3$H$,2DG=$K$J$j!"(JDeleGate$@$rE,(J
$@MQ$G$-$kBP>]$,9-$,$C$FMxMQ<T$,G\A}$7$?!#(J
$@!!$5$i$K!">e5-$N$h$&$K(JGopher$@$G9T$C$?$N$HF1MM$J!"(J
$@<1JLL>$N=q$-49$($H$$$&OHAH$rMQ$$$F!"(JWWW$@$N%W%m%H(J
$@%3%k(J(HTTP)$@$NCf7Q$r<B8=$7$?!#$=$N8e$N(J WWW$@$NIa5Z$K(J
$@$h$j!"(JDeleGate$@$O<g$K(JHTTP$@$NCf7Q%5!<%P$H$7$FIa5Z$9(J
$@$k$3$H$K$J$k!#$^$?!"$3$N$h$&$K%5!<%P$H%/%i%$%"%s(J
$@%H$H$N4V$G8r$o$5$l$k%W%m%H%3%k>e$rN.$l$k%G!<%?$r(J
$@JQ49$9$k$H$$$&4pK\E*$JOHAH$O!"8e$K(JDeleGate$@$NL\6L(J
$@5!G=$H$J$kJ8;z%3!<%IJQ495!G=$d!"!V%^%&%s%H5!G=!W(J
$@$r<B8=$9$k4pAC$H$J$k!#(J
$@!!(JDeleGate$@$N3+H/$r;O$a$F(J2$@=54V$[$I$,7P2a$7!"=i4|(J
$@$N9bMH$,<}$^$C$?$3$m!"I.<T$OBg$-$JMnC@$K=P2q$&!#(J
HTTP$@$NCf7Q$r<B8=$9$k2aDx$G!"$=$l$^$G(JDeleGate$@$G<B(J
$@8=$7$?$h$&$J5!G=$H$7$F$O4{$K!"(JSocks $@$d(Jproxy HTTP
$@$H$$$&J}<0$,3+H/$5$l$F$*$j!"$7$+$bI8=`2=$K8~$1$F(J
$@?J$_;O$a$F$$$k$i$7$$$3$H$rCN$C$?$+$i$G$"$k!#$=$l(J
$@$G$b(JDeleGate$@$N3+H/$rJ|4~$7$F$7$^$o$J$+$C$?$N$O!"(J
$@2a5n$K4vEY$H$J$/7P83$7$F$$$?!V$"$N$^$^$"$N%=%U%H(J
$@$N3+H/$rB3$1$F$$$l$P:#:"$O!D!W$H$$$&8e2y$H!"!V<+(J
$@J,<+?H$NH/A[$r0i$F$F9T$1$P!"FH<+$J(J($@$=$7$F1?$,NI(J
$@$1$l$PM-0U5A$J(J)$@$b$N$r:n$j=P$;$k!W$H$$$&7P83B'$K(J
$@$h$k!#$^$?<BMQ%=%U%H$H$7$F$O@8$-;D$l$:$H$b!">/$/(J
$@$H$bI.<T<+?H$N8&5f%M%?$H$7$FB3$1$k0UL#$O$"$k$H9M(J
$@$($?!#$H$O$$$(!"$3$N%=%U%H$N>^L#4|8B$O$=$&D9$/L5(J
$@$/!"I8=`2=$,?J$_$D$D$"$kCf7QJ}<0$N<BAu!&Ia5Z$,=*(J
$@$o$l$PMQ:Q$_$K$J$k1?L?$H9M$($F$$$?!#(J
$@!!$5$F!"%Q%=%3%s$GMxMQ$G$-$k$h$&$K$J$k$H!":#EY$O(J
$@J8;z%3!<%I$NLdBj$KD>LL$9$k!#A0=R$N$h$&$KEv;~$N(J
$@%Q%=%3%sMQ$N(JWWW$@%/%i%$%"%s%H$O0l<oN`$NF|K\8l%3!<(J
$@%I$7$+07$($J$+$C$?!#$3$l$KBP=h$9$k$K$O!"(JDeleGate
$@$,J8=q%G!<%?$r%/%i%$%"%s%H$KCf7Q$9$k:]$K!"%/%i%$(J
$@%"%s%H$,07$($kJ8;z%3!<%I$KJQ49$9$l$P$h$$!#$3$l$b(J
$@I,A3$NH/A[$G$"$k!#$=$N<B8=$O5;=QE*$K$OMF0W$G$"$j!"(J
$@I.<T$,$=$l0JA0$K3+H/$7$F$$$?(Jvin$@$H$$$&EE;R%K%e!<(J
$@%9%j!<%@$N$?$a$K:n@.$7$?J8;z%3!<%IJQ49MQ$NItIJ$r(J
$@N.MQ$7$FB(:B$K<B8=$9$k$3$H$,$G$-$?!#$7$+$7!"$=$N(J
$@8e4V$b$J$/!"%Q%=%3%sMQ$NF|K\8l2=(JMosaic$@$,=)$K$O>&(J
$@IJ$H$7$FH/Gd$5$l$k$H$$$&%K%e!<%9$rJ9$-!"$3$N$h$&(J
$@$JMQES$b$4$/C;4|E*$J$b$N$G$"$m$&$HM=A[$7$F$$$?!#(J
$@!!(J4$@7n(J1$@F|0J9_(JDeleGate$@$OI.<T$,2b%v4X$HC^GH$r1}I|$9(J
$@$k<VCf$H!"5"BpESCf$KN)$A4s$k?<Lk$NEEAm8&$G!":Y!9(J
$@$H0i$F$i$l$F9T$/!#$^$?=P8~@h$N2J5;D#$G$b(JDeleGate
$@$NCf7Q5!G=$d%-%c%C%7%e5!G=$rMxMQ$7$F!"%$%s%?!<%M(J
$@%C%HMxMQ$N%G%b%s%9%H%l!<%7%g%s$r9T$C$F$$$?!#(J
$@!!2F$K8~$+$&$3$m!"(JWWW $@$N5^B.$JIa5Z$K$D$l$F!"(JWWW 
$@MxMQ<T4V$N>pJs8r49$N$?$a$NEE;R%K%e!<%9$d%a!<%j%s(J
$@%0%j%9%H$G$O!"F|K\8lJ8;z%3!<%I$NLdBj$,@9$s$K8@$o(J
$@$l$k$h$&$K$J$C$?!#3+H/<T$H$7$F$O$=$&@h$bD9$/L5$$(J
$@$H;W$C$F$$$?(JDeleGate$@$G$O$"$C$?$,!"$3$N$h$&$J>u67(J
$@$K0l;~E*$K$bLr$KN)$F$k$J$i$P$H!"%=!<%9%W%m%0%i%`(J
$@$N7A$G0lHL8x3+$KF'$_@Z$C$?$N$,(J6$@7n(J11$@F|$N$3$H$G$"(J
$@$k!#3+H/<T$K$H$C$F$OJ8;z%3!<%IJQ495!G=$O5;=QE*$K(J
$@$OLLGrL#$NL5$$$b$N$G$"$C$?$,!"Ev;~$N>u67$G$O$3$N(J
$@$h$&$JJQ495!G=$,I,?\$G!"MxMQ<T$K$H$C$F$O0U5A$,Bg(J
$@$-$/!"=i4|$N(JDeleGate$@$N<gMQES$H$7$F!"Ia5Z$N86F0NO(J
$@$H$J$k$3$H$K$J$C$?!#(J
$@!!8x3+8e$N(JDeleGate$@$O!"B??t$NMxMQ<T$N<j$G!V$h$C$F(J
$@$?$+$C$FCC$($i$l$k!W>uBV$K$J$k!#IT6q9g$NJs9p$d2~(J
$@NI$NMW5a$,EE;R%K%e!<%9$dEE;R%a!<%k$G<!!9$K4s$;$i(J
$@$l$?!#FC$K!"MM!9$J5!<o$N(JUnix$@>e$G(JDeleGate$@$rMxMQ$7(J
$@$h$&$H$9$k?MC#$NG.?4$J6(NO$K$h$j!"(JDeleGate$@$N2DHB(J
$@@-$OHtLvE*$K9b$a$i$l$?!#8x3+Ev;~$O!"2?$H$+;H$($J(J
$@$$$G$b$J$$DxEY$N40@.EY$G$"$C$?(JDeleGate$@$O!"MxMQ<T(J
$@$+$i$NKDBg$J%P%0Js9p$rF@$F=y!9$K<BMQ$KBQ$($k%=%U(J
$@%H$X$H@.D9$7$F9T$C$?!#(J
$@!!$3$N:"I.<T$NF|2]$O!"2b%v4X$+$i$N5"BpESCf$K?t;~(J
$@4VN)$A4s$kEEAm8&$G!"$=$NF|MxMQ<T$+$i4s$;$i$l$?Js(J
$@9p$dMW5a$KBP1~$7$F=$@5$r9T$$!"$=$NF|$N$&$A$K2~D{(J
$@HG$r(J FTP$@%5!<%P>e$KCV$$$F8x3+$9$k$H$$$&$b$N$G$"$C(J
$@$?!#Nc$($P(J9$@7n$K$O!"(J1$@%u7n$N4V$K(J20$@2s$b$N2~D{HG8x3+(J
$@$,9T$o$l$F$$$k!#$3$N$h$&$J!V:n$j$?$F%=%U%H$N;:CO(J
$@D>Gd!WJ}<0$O!"Ev;~$NI.<T$NCV$+$l$?>u67$G;EJ}$J$/(J
$@$H$C$?J}K!$G$"$C$?$,!"7k2LE*$K$O(JDeleGate$@$r5^@.D9(J
$@$5$;$k$?$a$K6K$a$FM-8z$J<jCJ$G$"$C$?$H;W$&!#(J
$@!!#87nKv$K$O9)6H5;=Q1!$G$b%[!<%`%Z!<%8$r3+@_$9$k(J
$@7W2h$,?J$a$i$l$F$$$?!#$H$3$m$,!">pJs7W;;%;%s%?!<(J
$@$NKI2PJI>e$N8B$i$l$?%[%9%H$7$+%$%s%?!<%M%C%H$K@\(J
$@B3$G$-$J$$$?$a!"9)5;1!3F8&5f=jKh$N(J WWW$@%5!<%P$r30(J
$@It$K8x3+$G$-$J$$!#$=$3$G!"3F=j$N%5!<%P$rKI2PJI>e(J
$@$N(JDeleGate$@$GE}9g$7!"$3$l$rBeI=$H$7$F30It$K8x3+$9(J
$@$k$3$H$r9M$($?!#$3$l$r<B8=$9$k$?$a$K3+H/$7$?$N$,!"(J
$@FbIt$N%5!<%P>e$G$N>pJs$N<1JLL>(J(URL)$@$r30It$K8x3+(J
$@$9$k:]$K=q$-49$($k!V%^%&%s%H5!G=!W$G$"$k!#$3$l$O!"(J
proxy HTTP$@%W%m%H%3%k$NIa5Z$K$D$l$FMQ:Q$_$K$J$j$+(J
$@$1$F$$$?!"Cf7Q%G!<%?Cf$N<1JLL>$N=q$-49$($N5!G=$r(J
$@N.MQ$7$F<B8=$9$k$3$H$,$G$-$?!#$=$7$F8e$K$O$3$l$,!"(J
DeleGate$@$N=EMW$JL\6L5!G=$H$J$k!#(J

$@#4!%(JDeleGate$@Bh#2HG0J9_$N3+H/$H8=>u(J
$@MbG/(J4$@7n$K=P8~$+$iLa$C$?;~$K$O!"(JDeleGate$@$N3+H/$,(J
$@I.<T$NK\6H$H$J$C$F$*$j!"$[$H$s$ICkLk$bL5$/A4$F$N(J
$@;~4V$r(JDeleGate$@$K$D$.$3$a$k9,J!46$K$R$?$j$D$D!"3+(J
$@H/$KKWF,$7$?!#$=$N8e$N0lG/4V!"J?6Q$7$F$b$[$\(J2$@F|(J
$@4V$K(J1$@EY$H$$$&IQHK$J2~D{HG$N8x3+$,9T$o$l$F$$$k!#(J
$@!!$3$N:"$+$i!"(JDeleGate$@$rC1$K%(%s%I%f!<%6$H$7$F$G(J
$@$O$J$/!"MxMQ<T8GM-$NMQES$N$?$a$K2~JQ$r2C$($F;H$$(J
$@$?$$$H$$$&MW5a$,4s$;$i$l$k$h$&$K$J$C$?!#Nc$($P!"(J
$@2hA|%G!<%?$r05=L$7$FCf7Q$7$?$$!"1QJ8!?OBJ8K]Lu$r(J
$@$7$FCf7Q$7$?$$!"1R@17PM3$NDL?.$N7PO)@)8f$r9T$&$?(J
$@$a$KMxMQ$7$?$$!"$H$$$C$?$b$N$G$"$C$?!#$7$+$7I.<T(J
$@$O$3$N$h$&$J2~JQ;HMQ$r5vBz$7$J$+$C$?!#Cx:n8">e$N(J
$@M}M3$b$"$C$?$,!"Bh0l$NM}M3$O!"$=$N$h$&$J3HD%$r!"(J
DeleGate$@$NK\BN$K<j$r2C$($:$K<B8=$G$-$k$h$&$K$9$k(J
$@$3$H<+BN$,!"8&5f$NAG:`$H$7$F$N(JDeleGate$@$N3+H/L\E*(J
$@$N0l$D$H9M$($F$$$?$+$i$G$"$k!#$=$3$G!"MxMQ<T$N3+(J
$@H/$7$?5!G=$r%U%#%k%?%W%m%0%i%`$H$$$&7A$G(JDeleGate
$@$K4JC1$K30IU$1$G$-$k$h$&$K3+H/$7$?$N$,!V30It%U%#(J
$@%k%?!W$H$$$&5!G=$G$"$k!#$3$N5!G=$O$=$N8e!"MM!9$J(J
$@5!G=$r(JDeleGate$@$KIU2C$7$FMxMQ$9$k$?$a$K3hMQ$5$l$k(J
$@$3$H$K$J$k!#(J
$@!!:G=i$N(J1$@G/4V$GBeM}%5!<%P$H$7$F$N4pK\E*$J5!G=$r!"(J
$@$H$b$+$/$b<BMQ$KBQ$($k%l%Y%k$G<B8=$7$?8e!"(J2$@G/L\(J
$@0J9_$N3+H/$N<g4c$O!"9bB.2=$H0lHL2=$K0\$C$?!#Ev;~!"(J
$@MxMQ<T$,(JDeleGate$@$K4|BT$9$k5!G=$O!VF|K\8l%3!<%IJQ(J
$@495!G=IU$-(JHTTP$@BeM}%5!<%P!W$G$"$C$?!#$7$+$7I.<T$N(J
$@6=L#$O!"BeM}%5!<%P$H$$$&35G0$K$h$j<B8=$G$-$k?7$?(J
$@$J5!G=!"B?$/$N%W%m%H%3%k$KBP$7$F6&DL$KE,MQ$G$-$k(J
$@5!G=$r!"(JDeleGate$@$N3+H/$rDL$8$F8+=P$9$3$H$K$"$C$?!#(J
$@$=$N$?$a!"(JGopher,HTTP,FTP,Wais,Telnet,NNTP$@$r;O$a!"(J
SMTP,POP,X,Socks,CU-SeeMe$@$J$IB??t$N%W%m%H%3%k$N(J
$@Cf7Q$r<!!9$K<B8=$7$F9T$C$?!#9qFb$K$*$1$k(JHTTP$@MQ$N(J
$@BeM}%5!<%P$N<gN.$O!"Ev=i$O(JCERN-httpd$@!":G6a$O(JSquid
$@$G$"$j!"(JDeleGate$@$O(J2$@HV<j$K4E$s$8$FMh$?!#$7$+$7(J
HTTP$@$K8B$i$:MM!9$J%W%m%H%3%k$rIU2C2ACMIU$-$GCf7Q(J
$@$G$-$kB?L\E*$NBeM}%5!<%P$H$7$F!"(JDeleGate$@$OB?J}LL(J
$@$GMxMQ$5$l$k$h$&$K$J$j!"FH<+$NN)>l$r3MF@$7$?!#(J
$@!!5!G=3HD%!"9bB.2=!"Cf7Q2DG=$J%W%m%H%3%k$N3HBg$K(J
$@H<$C$F!"(JDeleGate$@$N%W%m%0%i%`5,LO$O3HBg$rB3$1$F$$(J
$@$k!#(J94$@G/$NHG$rBh(J1$@HG$H$7$F!"G/$r2C$($kKh$K%P!<%8%g(J
$@%sHV9f$r2C$($FMh$?$,!"Bh(J1$@HG$+$iBh(J4$@HG$^$G$N%W%m%0(J
$@%i%`5,LO$O!"%=!<%9%W%m%0%i%`$N9T?t$K$7$F$=$l$>$l(J
11500$@9T!"(J44000$@9T!"(J62900$@9T!"(J84500$@9T$H3HBg$7$F$$$k!#(J
$@2DHB@-$N8~>e$K$h$j!"(JDeleGate$@$O$[$H$s$I$N<oN`$N(J
Unix$@!"(JWindows$@$H(JOS/2$@$K$*$$$F!"6&DL$N%=!<%9%W%m%0(J
$@%i%`$rL5JQ99$G%3%s%Q%$%k!&<B9T$9$k$3$H$,$G$-$k$h(J
$@$&$K$J$C$?!#(J
$@!!(JDeleGate$@$NG[I[$O<g$K!"EEAm8&$N(J FTP$@%5!<%P$KCV$+(J
$@$l$?%=!<%9%W%m%0%i%`$H(J Windows$@MQ<B9T7A<0$N7A$G9T(J
$@$o$l$F$$$k(J(ftp://ftp.etl.go.jp/pub/DeleGate/)$@!#(J
$@8=:_$^$G$K$3$l$i$r%@%&%s%m!<%I$7$?AH?%$O(J65$@$+9q$K(J
$@$o$?$k(J4500$@AH?%$K5Z$S!"%@%&%s%m!<%IAH?%?t$OA0G/F1(J
$@7nHf$[$\(J2$@G\$GA}2C$rB3$1$F$$$k!#$3$NB>!"3FCO$N(JFTP
$@%_%i!<%5%$%H$d!";(;oIUO?$N(JCD-ROM$@Ey$K$h$k:FG[I[$b(J
$@9T$o$l$F$$$k!#(J
$@!!MxMQ<T$H$N4V$G(JDeleGate$@$K4X$9$k>pJs8r49$r9T$&$?(J
$@$a$K(J94$@G/#77n$K3+@_$7(J30$@L>$N;22C<T$G3+;O$7$?%a!<%j(J
$@%s%0%j%9%H$O!"8=:_(J600$@AH?%$+$i$N(J1100$@L>$N;22C<T$r(J
$@MJ$7$F$$$k!#$3$l$^$G#3G/H>$N4V$K(J6000$@DL$r1[$($k$d(J
$@$j$H$j$,9T$o$l!"8=:_$b@9$s$J0U8+8r49$,9T$o$l$F$$(J
$@$k!#$=$NFbMF$O8x3+8e$N(JDeleGate$@$N@.D95-O?$=$N$b$N(J
$@$G$"$j!"(JWWW $@$r2p$7$F8x3+$5$l$F$$$k(J
(http://wall.etl.go.jp/delegate/ml/)$@!#(J
$@!!(JDeleGate$@$O(J95$@G/(J11$@7n$K%U%j!<%=%U%H%&%'%"Bg>^!&%$(J
$@%s%?!<%M%C%H>^$r<u>^$7!"$^$?I.<T$O(JDeleGate$@$N3+H/(J
$@$K4XO"$7$F(J96$@G/(J6$@7n$K9)6H5;=Q1!D9I=>4!"(J97$@G/(J4$@7n$K2J(J
$@3X5;=QD941>^$r<u>^$7$?!#(J

$@#5!%$`$9$S(J
$@6vA3$K;:$_=P$5$l$?$*$b$A$c$N$h$&$J%W%m%0%i%`$,!"(J
$@<!!9$H8=$l$kLdBj$r>h$j1[$($J$,$i@.D9$rB3$1!"MxMQ(J
$@<T$+$i$N;Y1g$K;Y$($i$l$J$,$i!">o$KBh0l@~$GLr$KN)(J
$@$D<BMQ%=%U%H$H$7$F;Y;}$5$l$FMh$?$H$$$&!"9,J!$J$b(J
$@$N:n$j$N%9%H!<%j!<$r>R2p$7$?!#(J
$@!!5;=QE*FbMF$NGv$$!"?H$N>eOC$K$J$C$F$7$^$C$?$3$H(J
$@$r$*OM$S$7$?$$!#$?$@!"$3$N$h$&$J9,J!$J%=%U%H:n$j(J
$@$N@$3&$,B8:_$9$k$3$H$rCN$C$F$$$?$@$-!"$3$N$h$&$J(J
$@;E;v$K6=L#$r;}$DJ}!9$K$H$C$F2?$+$N;29M$K$J$l$P9,(J
$@$$$G$"$k!#(J

$@;29MJ88%(J
1)$@:4F#K-(J,$@Bg<,OB?N(J:$@J,;6%*%V%8%'%/%H;X8~(JUIMS$@$N<B9T(J
  $@;~%"!<%-%F%/%A%c$N@_7W$H<B8=(J,$@EEAm8&WCJs(J,58,10,
  pp.63-71 (1994)
2)$@:4F#K-(J:DeleGate$@$K8+$k%$%s%?!<%M%C%H>e$N8x6&%=(J
  $@%U%H%&%'%"$N$N@.D92aDx(J,$@5!3#?66=(J,28,4,pp.96-101
  (1995)
3)$@:4F#K-(J:$@B?L\E*%W%m%-%7%5!<%P(JDeleGate$@$N5!G=>\:Y(J,
  $@%$%s%?!<%U%'!<%9(J,21,9,pp.130-146 (1995)
4)$@:4F#K-(J:$@%$%s%?!<%M%C%HKI2PJI$N4pAC5;=Q$H1~MQ(J,
  $@%3%s%T%e!<%?%=%U%H%&%'%"(J,14,1,pp.55-63 (1997)

$@Cx<TN,Nr(J
1987$@G/(J,$@C^GHBg3XBg3X1!Gn;N2]Dx9)3X8&5f2J(J($@EE;R>pJs(J
$@9)3X@l96(J)$@=$N;(J,$@9)3XGn;N!#F1G/(J,$@EE;R5;=QAm9g8&5f=j(J
$@$KF~=j!#MxMQ<T%$%s%?!<%U%'%$%9$N9=@.K!!"%M%C%H%o(J
$@!<%/;X8~%=%U%H%&%'%"9=@.K!$N8&5f$K=>;v!#(J1994$@G/(J4
$@7n$h$j(J1$@G/4V(J,$@2J3X5;=QD#2J3X5;=Q?66=6I2J3X5;=Q>pJs(J
$@2]=P8~!#8=:_(J,$@F1=j>pJs%"!<%-%F%/%A%cIt<gG$8&5f41!#(J
----

$@!!!!!!!!!!!!!!(J $@!!!!!!(J        @ @$@!!!!(J
$@(((!($(!(((!(#(J   $@!?!?!@(J^^   ( - )  <URL:http://www.etl.go.jp/~ysato/>
$@('(!!!!!("!!("(J $@!?!!(J876m$@!@(J  _<   >_ <URL:http://wall.etl.go.jp/delegate/>
$@(*(!(!!!(*!!(*(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(!(%(J
$@:4F#K-!w>pJs%"!<%-%F%/%A%cIt(J.$@EE;R5;=QAm9g8&5f=j(J.$@9)6H5;=Q1!(J.$@DL>&;:6H>J(J.$@F|K\(J