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<title>scbayes: scmail ѤΥ٥ե륿饤֥</title>
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<p class="lang-navigator"><a href="scbayes.html">English</a> | Japanese</p>

<h1>scbayes: scmail ѤΥ٥ե륿饤֥</h1>
<p class="last-modified">ǽ: 2004-07-27 (: 2004-01-05)</p>
<p>Shiro Kawai (shiro&#64;acm.org)</p>
<hr />

<h2>scbayesȤ</h2>
<p>Paul GrahamƤ٥Ѥƥѥե륿󥰤Ԥ
ġǤŪطʤˤĤƤϡʸ򻲾ȤƲ
scmailȤ߹ޤ줿ưޤޤؽ両ڤԤ
scbayesȤץȤѰդƤޤ</p>
<p>scmailǥ٥ե륿ȤˤϡĤĤνɬפǤ</p>
<ul>
<li>scbayesˤäơspamspamؽƳΨơ֥롣</li>
<li>scmailեˡ٥ե륿󥰤Υ롼ɲä롣</li>
</ul>

<h2>ؽ</h2>
<p>ޤؽˤΨơ֥ɬפޤ
spam᡼ʥ᡼̤ΥեʬƤƲ
ʥ᡼ؽˤ</p>
<pre>% scbayes --learn-nonspam ե ...</pre>
<p>spam᡼ؽˤ</p>
<pre>% scbayes --learn-spam ե ...</pre>
<p>ȤСΨơ֥뤬ޤΨơ֥եϡ
ǥեȤǤ ~/.scmail/ β˺ޤ
~/.scmail/config ˤƥޥǽǤ˳Ψơ֥
ϤɲäƤ椭ޤ</p>
<p>㤨Сʥ᡼¸Τ inbox-saveեˡ
spam᡼뤬 spamեˡspamǤϤʤߤȤ
ΤƤ᡼뤬 trashեˤȤȡΤ褦˥ޥ
¹Ԥޤ</p>
<pre>% scbayes --learn-nonspam inbox-save trash
% scbayes --learn-spam spam</pre>
<p>ɮԤμ긵δĶ (Pen4 2GHz) Ǥ15000̤spamؽΤ
15ʬޤ</p>
<p>ʤscbayesϴ˳ؽ᡼ϿƤ褦ˤʤäΤǡ
ɲóؽ򤹤ݤˤϺƤƱեꤹOKǤ
̤ؽΥ᡼Τߥơ֥ɲäޤ</p>
<p>äƳؽƤޤä᡼αƶϡ
--unlearn-spam--unlearn-nonspam ץͿȡ
ե˴ޤޤ᡼򤹤٤ơ˺פȤǤޤ</p>
<p>ߤΤȤؽؽμä˥եñ̤ǰޤ
ΥåΤ߰ϡ̥ե˰ܤ
ؽԤäƲ</p>

<h2>scmail</h2>
<p>~/.scmail/refile-rules  ~/.scmail/deliver-rules ˡ</p>
<pre>(add-bayesian-filter-rule!)</pre>
<p>Ƚ񤤤ƤСscmail-refile/scmail-deliver äݤ˥
ե륿ŬѤ졢spamȽꤵ줿᡼뤬"spam"
ե (~/.scmail/config Ǥޤ) ޤ</p>
<p>롼Ϻǽ餫ŬѤΤǡ(add-bayesian-filter-rule!)
񤯰֤ϥե륿󥰤ͭ˱ƶޤɮԤηиǤϡ
ȸϤäꤷƤ᡼ϥ٥ե륿󥰤
§Ǥ餫ῶʬƤĤä᡼Ф
٥ե륿󥰤ŬѤΤ̤⤤褦Ǥ</p>
<p>ʤlambdaǥե륿󥰥롼񤤤Ƥϡ</p>
<pre>(mail-is-spam? mail)</pre>
<p>ȤspamɤȽ꤬Ǥޤ㤨мΤ褦˽񤯤ȤǤޤ</p>
<pre>(lambda (mail)
  (and (mail-is-spam? mail)
       (mail 'from #/\.kp\b/)
       (refile mail "spam-from-north-korea"))</pre>

<h2>Tips</h2>
<p>ؽ˻Ȥ᡼뤬ʤȤޤ̤ФʤȻפޤ
spamǤ̵ΤƤ᡼פȤΤϵŤʾ󸻤ǤΤǡ
nonspamγؽȤƼäƤɤǤ礦</p>
<p>᡼ޥ󡢥饤󥷥åԥ󥰤Υ쥷ȡդ
̵᡼󥰥ꥹspam٤⤯ʤ꤬ʤΤǡ٥
ե륿ǤȽԤfromե̥ե˻ʬ
֤Ȥ򶯤ᤷޤ</p>

<h2>scbayesΤ¾εǽ</h2>
<p>scbayesץȤˤϡ¾ˤĤδѵǽƤޤ</p>
<p>ؽ줿᡼ñ򸫤ˤϡ--table-statץѤޤ</p>
<pre>% scbayes --table-stat
lang       nonspam           spam
#t  :  184657w/ 3129m   453409w/14061m
jp  :   88720w/ 3834m    67379w/  813m
total: 273377w/ 6963m   520788w/14874m</pre>
<p>langιϡ'#t' ܸ᡼롢'jp' ܸ᡼롢'total' פǤ
ƹԤˤơ'w'οؽ줿ñ'm'ο᡼Ǥ</p>
<p>scmail̤Υ᡼spam٤Ĵ٤ϡ--check-mail
ץ˥᡼եͿޤ (᡼뤬ҤȤĤŤĥեȤ
ΩƤ뤳ȤꤷƤޤ)  scbayesϡ᡼spam
ӡη׻˴ͿֺǤħŪñ15ĤȳơspamΨ
ɽޤ</p>
<pre>% scbayes --check-mail ~/Mail/spam/13500
/home/shiro/Mail/spam/13500
  1.0
    wwww3 : 0.9999
    html4 : 0.9999
    style6 : 0.9999
    style5 : 0.9999
    discreetly : 0.9999
    delobel : 0.9999
    bastapharma : 0.9999
    meds : 0.9999
    estes : 0.9998
    overnight : 0.9685370077823972
    needed! : 0.9652974189631429
    medication : 0.9608080329456689
    prescription : 0.9600886615864224
    prescribed : 0.9578025262665094
    medications : 0.9520815441868073</pre>
<p>scbayesˤȽꤽΤΤפȤꤿˤϡ--check-spam, 
--check-nonspamץȤޤ</p>
<pre>% scbayes --check-spam folder</pre>
<p>ȤȡfolderΥ᡼򸡺spamȽꤵʤä᡼
ӳơñγΨϤޤ (Υ᡼ϡ
spamǤΤ˥ե륿򤹤ȴΤȹͤޤ)</p>
<pre>% scbayes --check-nonspam folder</pre>
<p>ȤȡfolderΥ᡼򸡺spamȽꤵ줿᡼
ӳơñγΨϤޤ (Υ᡼ϡ
nonspamǤΤspamȸǧ줿Τȹͤޤ)
ޤ˸ǧ¿ϡŪʥե륿󥰥롼
Ȥ߹碌Ȥäбɬפ⤷ޤɮԤηиǤϡ
ۤȤɤξ硢θɮԼȤθnon-spamե
ʶspamȯޤ</p>

<h2>scbayesν</h2>
<p>scbayesPaul GrahamľʼǤܸб뤿
ʲνԤäƤޤ</p>
<ul>
<li>ܸñʬ(ȡʥ)ϡbigramʤϢ³
    2ʸȤäƤޤâʳ¿Хʸؤ
    սñζڤȤߤʤۤĤ¿Хʸε
    ñζڤȤߤʤƤޤ</li>
<li>᡼Υ󥳡ǥ󥰤˴ؤƤϡޤ᡼content-type
    ޤޤcharsetɽФѤƥ󥳡ǥ󥰤
    ԤǥѴñʬ䤬ԤϥХȤ
    ñʬʤƤޤMIMEåξˤMIMEѡ
    ˰ޤޤtext/* ʳMIMEѡȤ˴ؤƤפ˲äޤ</li>
<li>ܸ᡼ȤʳΥ᡼ȤǡspamnonspamΨ礭
    ۤʤˡñγΨ˥ХΤɤᡢܸ
    ʳȤǳΨơ֥ʬƤޤ</li>
</ul>
<p>˾ܤƤ˴ؤƤϡ<a href="http://www.shiro.dreamhost.com/scheme/wiliki/wiliki.cgi/Gauche:SpamFilter">Gauche:SpamFilter</a>Υڡ򻲾ȤƲ</p>

<h2>ʸ</h2>
<ul>
<li>Paul Graham: <a href="http://www.shiro.dreamhost.com/scheme/trans/spam-j.html">ѥؤк -- A Plan for Spam</a>
<ul>
<li>ѥե륿˥٥ΨȤȤƤʸ</li>
</ul></li>
<li>Paul Graham: <a href="http://www.shiro.dreamhost.com/scheme/trans/better-j.html">٥ե륿β -- Better Bayesian Filtering</a>
<ul>
<li>ʤؤ</li>
</ul></li>
<li><a href="http://www.shiro.dreamhost.com/scheme/wiliki/wiliki.cgi/Gauche:SpamFilter">Gauche:SpamFilter</a>
<ul>
<li>scbayesγȯϿ</li>
</ul></li>
</ul>
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