From owner-FreeBSD-users-jp@jp.FreeBSD.org Thu Jun 12 12:14:07 2003
Received: (from daemon@localhost)
	by castle.jp.FreeBSD.org (8.11.6p2+3.4W/8.11.3) id h5C3E7j46602;
	Thu, 12 Jun 2003 12:14:07 +0900 (JST)
	(envelope-from owner-FreeBSD-users-jp@jp.FreeBSD.org)
Received: from sohgo.tanimura.dyndns.org (IP1A1140.kng.mesh.ad.jp [61.203.80.132])
	by castle.jp.FreeBSD.org (8.11.6p2+3.4W/8.11.3) with ESMTP/inet id h5C3E3Y46597
	for <FreeBSD-users-jp@jp.FreeBSD.org>; Thu, 12 Jun 2003 12:14:03 +0900 (JST)
	(envelope-from tanimura@tanimura.dyndns.org)
Received: from sohgo.tanimura.dyndns.org (localhost [IPv6:::1])
	by sohgo.tanimura.dyndns.org (8.12.9/3.7W-carrots-Tokyu-Meguro) with ESMTP id h5C3CaMB015276 ;
	Thu, 12 Jun 2003 12:12:37 +0900 (JST)
Received: (from uucp@localhost)
	by sohgo.tanimura.dyndns.org (8.12.9/3.7W-submit-carrots-Tokyu-Meguro) with UUCP id h5C3CauM015275 ;
	Thu, 12 Jun 2003 12:12:36 +0900 (JST)
Received: from urban.nkth.tanimura.dyndns.org (localhost [127.0.0.1])
	by urban (8.12.9/3.7W-urban.carrots-Yurikamome-Odaiba-Kaihin-Koen) with ESMTP id h5C3BNRF019657 ;
	Thu, 12 Jun 2003 12:11:23 +0900 (JST)
Message-Id: <200306120311.h5C3BNRF019657@urban>
From: Seigo Tanimura <tanimura@tanimura.dyndns.org>
To: FreeBSD-users-jp@jp.FreeBSD.org
In-Reply-To: <200306101645.h5AGjNI19095@mbox00.iij4u.or.jp>
References: <3EE4A71F.D59354C5@ht.sakura.ne.jp>
	<20030610004944.689A.ML-FREEBSD-USERS-JP@trombik.mine.nu>
	<200306100314.h5A3EPqY010054@urban>
	<200306100715.h5A7F9B17091@mbox00.iij4u.or.jp>
	<200306100915.h5A9FQqY031684@urban>
	<200306101645.h5AGjNI19095@mbox00.iij4u.or.jp>
cc: Seigo Tanimura <tanimura@tanimura.dyndns.org>
User-Agent: Wanderlust/2.10.0 (Venus) SEMI/1.14.5 (Awara-Onsen) FLIM/1.14.5 (Demachiyanagi) APEL/10.4 MULE XEmacs/21.1 (patch 14) (Cuyahoga Valley) (i386--freebsd)
MIME-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen")
Content-Type: text/plain; charset=ISO-2022-JP
Reply-To: FreeBSD-users-jp@jp.FreeBSD.org
Precedence: list
Date: Thu, 12 Jun 2003 12:11:23 +0900
X-Sequence: FreeBSD-users-jp 74974
Subject: [FreeBSD-users-jp 74974] Re: spammers love jp.FreeBSD.org
Sender: owner-FreeBSD-users-jp@jp.FreeBSD.org
X-Originator: tanimura@tanimura.dyndns.org
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+030602

$BC+B<!s(BJR$BEl$O2<Mn%H%l%s%I$J$N$K?.MQGc$$$,B?$$$s$+$$(B $B$G$9!#(B

On Wed, 11 Jun 2003 01:45:23 +0900,
  Tomohiko Nakano <tomohiko@dd.iij4u.or.jp> said:

tomohiko> $B$3$3$G!"%Y%$%:$NDjM}$K$h$j!"(B
tomohiko> P(Ci|X)=P(X|Ci)P(Ci)/P(X)
tomohiko> =P(x1|Ci)*P(x2|Ci)* ... P(xn|Ci)P(Ci)/P(X)
tomohiko> $B$H7W;;$G$-$k!#(B
>> 
>> $B$3$3$G$O(B xi $B3F!9$NFHN)@-$r2>Dj$7$F$^$9$M!#?t3XE*$K$OC1=c$K(B = $B$G7k$Y$^$;$s!#(B

tomohiko> $B$O$$!#$*$C$7$c$k$H$*$j?t3XE*$K$O!_$G$9$,!"(BData mining$BE*$K$OFHN)@-$r2>(B
tomohiko> $BDj$7$F$7$^$&$3$H$,B?$$$G$9$7!":#2s$NOC$NN.$l$K$O4X78$J$$$+$H;W$C$F>JN,(B
tomohiko> $B$7$F$7$^$$$^$7$?!#(B

$B@N@E;_2h$r%M%?$K$7$F$3$&$$$&$3$H$r$d$C$F$??M$+$iJ9$$$?$s$G$9$,!"<B:]$K(B
xi $B3F!9$NAj4X@-$rD4$Y$F$_$k$H!"K\Ev$KFHN)@-$,$$$($k$+$I$&$+$O$9$0$K$OJ,(B
$B$+$i$J$$$h$&$JHyL/$J%G!<%?$@$C$?$=$&$G$9!#$b$C$H$b!"(Bxi $B$K<g@.J,J,@O$r3z(B
$B$^$;$F$b$"$^$j8z$+$J$+$C$?$N$G!"7k2LE*$K$O5$$K$J$i$J$+$C$?$H5-21$7$F$$$^(B
$B$9$,!#$=$l$G$b$9$0$K$O$=$&J,$+$i$J$+$C$?$N$G!"0lEY3N$+$a$F$_$?J}$,NI$5$=(B
$B$&!#(B


>> $B$G!"FC$K(B spam $BAj<j$N>l9g$@$H!"2a3X=,$GB-$r0z$CD%$i$l$k$N$OCWL?E*$G$9!#:G(B
>> $B=i$+$iCF$+$l$k$H$o$+$C$F$k$b$N$rAw$k(B spammer $B$O$$$^$;$s$h$M!#$b$7$o$?$7(B
>> $B$,(B spam $B$rEj$2$h$&$H$7$?$i!"2a5n$N(B mail $B$rD4$Y5s$2$?>e$GLUE@$K$J$k$H$3$m(B
>> $B$rFM$-$K$$$/$G$7$g$&!#<B:]!"$o$?$7$b(B SpamAssassin $B$O;H$C$F$$$^$9$,!"L$CN(B
>> $B;vNc$KBP$7$F$O$+$J$j<e$$$G$9!#D>4Q$N?t;z$G$9$,!"(B4$B3d$0$i$$$OAGDL$j$7$F$/(B
>> $B$l$^$9!#(B

tomohiko> $B;d$,<BAu$7$?%$%s%A%-(B:-)Naive Bayese Classifier$B$G$b#43d$OAGDL$7$7$^$;(B
tomohiko> $B$s!#$^$@1?MQ4|4V$,C;$/$F$^$H$b$J%G!<%?$O=P$;$^$;$s$,!"(B

tomohiko> $B3X=,%G!<%?!J1Q8l%a!<%k$N$_!K(B
tomohiko> SPAM: 141
tomohiko> non-SPAM: 2342

tomohiko> $B=hM}%G!<%?!J1Q8l%a!<%k$N$_!K(B
tomohiko> $B<u?.%a!<%k?t!'(B 349$B!JFb(BSPAM:176, non-SPAM:173$B!K(B
tomohiko> non-SPAM$B$r(BSPAM$B$HG'<1(B: 1$B!J(B0.5%$B!K(B
tomohiko> SPAM$B$r(Bnon-SPAM$B$HG'<1(B: 31$B!J(B17$B!s!K(B

tomohiko> $B$G$9!#3X=,%G!<%?$,>/$J$9$.$k$3$H$K$h$j$+$J$j$^$@<h$j$3$\$7$,$"$j$^$9(B
tomohiko> $B$,!"$=$l$G$b(B17%$BDxEY$G$9!#$^$?!"8mG'<1$5$l$?%a!<%k$O%a!<%j%s%0%j%9%H$X(B
tomohiko> $B$N%3%^%s%I%a!<%k$G$7$?!#(B

tomohiko> SpamAssasin$B$N$h$&$JM-L>$J%=%U%H%&%'%"$G%k!<%k%Y!<%9$H%Y%$%8%"%s%U%#%k(B
tomohiko> $B%?$rAH$_9g$o$;$F#43d$b<h$j$3$\$9$N$OHs>o$K6=L#?<$$$N$G$9!#$I$N$h$&$J(B
tomohiko> $B%a!<%k$r<h$j$3$\$5$l$?$N$+!"$I$N$h$&$J%a!<%k$,8mG'<1$5$l$?$N$+!"3X=,(B
tomohiko> $B%G!<%?$NNL!"=hM}7k2L$J$I<($7$F$$$?$@$1$k$H;29M$K=PMh$F$&$l$7$$$N$G$9(B
tomohiko> $B$,!"$*;~4V$,$"$j$^$7$?$i@'Hs$h$m$7$/$*4j$$$7$^$9!#(B

$B<j85$G(B1$B=54VJ,$N(B mail $B$KBP$7$FD4$Y$F$_$^$7$?!#(B4$B3d$O$A$g$C$HB?$$?t;z$G$7$?!#(B

mail $B$O<g$K(B *BSD$B!"(BLinux$B!"(BXFree86$B!"(BXEmacs $B$N(B mailing list ($B1Q8l$*$h$SF|K\(B
$B8l(B) $B$G$9!#(B

mail $B$N?t(B:			7523
$B$&$A(B spam $B$N?t(B:			130

SpamAssassin $B$GCF$$$?$b$N(B:	118
$B$&$AK\Ev$K(B Spam $B$@$C$?$b$N(B:	116

$B$H$$$&$o$1$G!":F8=N($O(B 116 / 130 = 0.892 $B$G$9$M!#5U$K<h$j$3$\$7$O(B 11% $B<e(B
$B$G$9$+!#(B

$B$?$@$7!"$o$?$7$N(B SpamAssassin $B$O!"FC$K(B razor2 $B$G0z$C$+$+$C$?$b$N$r=EMW;k(B
$B$7$F$$$^$9!#ogCM$,(B 8.0 $B$G!"(B razor2 $B$G0z$C$+$+$C$?$b$N$K(B 6.0 $B$rM?$($F$$$^(B
$B$9(B($B%G%U%)%k%H$O(B 2.0 $B$A$g$C$H(B?)$B!#$[$+$K$b!"0[>o$JF|IU$J$I$KBP$7$F$+$J$j%9(B
$B%3%"$r$$$8$C$F$$$^$9!#$?$$$F$$!"%G%U%)%k%H$N(B 2-3 $BG\$K$7$F$$$^$9!#$3$l$r(B
$B$d$kA0$O!":F8=N($,$b$C$H0-$+$C$?$G$9!#(B70% $B$H$l$F$?$+$J$!(B...

$BE,9gN($O(B 116 / 118 = 0.983$B!#8mG'<1$7$?(B mail $B$G$O!"(BReceived: $B$NCf$K(B RBL
$B$KF~$C$F$$$k7W;;5!$,$"$j$^$7$?!#(B

-- 
Seigo Tanimura <tanimura@tanimura.dyndns.org> <tanimura@FreeBSD.org>
