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<title>MeCab: Yet Another Part-of-Speech and Morphological Analyzer</title>
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<h1>MeCab: Yet Another Part-of-Speech and Morphological Analyzer</h1>
<p>$Id: index.html 135 2007-06-10 12:28:13Z taku-ku $;</p>
<h2>MeCab (ÏÂÉÛÉó)¤È¤Ï</h2>
<p>
MeCab¤Ï<a href="http://pine.kuee.kyoto-u.ac.jp/KU-NTT-WS-2005/">
µþÅÔÂç³Ø¾ðÊó³Ø¸¦µæ²Ê¡ÝÆüËÜÅÅ¿®ÅÅÏóô¼°²ñ¼Ò¥³¥ß¥å¥Ë¥±¡¼¥·¥ç¥ó²Ê³Ø´ðÁø¦µæ½ê
¶¦Æ±¸¦µæ¥æ¥Ë¥Ã¥È¥×¥í¥¸¥§¥¯¥È</a>¤òÄ̤¸¤Æ³«È¯¤µ¤ì¤¿¥ª¡¼¥×¥ó¥½¡¼¥¹
·ÁÂÖÁDzòÀÏ¥¨¥ó¥¸¥ó¤Ç¤¹. ¸À¸ì, ¼½ñ,¥³¡¼¥Ñ¥¹¤Ë°Í¸¤·¤Ê¤¤ÈÆÍÑŪ¤ÊÀ߷פò
´ðËÜÊý¿Ë¤È¤·¤Æ¤¤¤Þ¤¹. ¥Ñ¥é¥á¡¼¥¿¤Î¿äÄê¤Ë Conditional Random Fields (<a href="http://www.cis.upenn.edu/~pereira/papers/crf.pdf">CRF</a>) ¤òÍÑ
¤¤¤Æ¤ª¤ê, <a href="http://chasen.naist.jp">ChaSen</a>¤¬ºÎÍѤ·¤Æ¤¤¤ë
±£¤ì¥Þ¥ë¥³¥Õ¥â¥Ç¥ë¤ËÈæ¤ÙÀǽ¤¬¸þ¾å¤·¤Æ¤¤¤Þ¤¹¡£¤Þ¤¿¡¢Ê¿¶ÑŪ¤Ë
<a href="http://chasen.naist.jp">ChaSen</a>, <a href="http://www.kc.t.u-tokyo.ac.jp/nl-resource/juman.html">Juman</a>,
<a href="http://kakasi.namazu.org">KAKASI</a>¤è¤ê¹â®¤ËÆ°ºî¤·¤Þ¤¹.
¤Á¤Ê¤ß¤ËÏÂÉÛÉó(¤á¤«¤Ö)¤Ï, ºî¼Ô¤Î¹¥Êª¤Ç¤¹.
</p>
</ul>
<h2>Ìܼ¡</h2>
<ul>
<li><a href="#feature">ÆÃħ</a></li>
<li><a href="#diff">Èæ³Ó</a></li>
<li><a href="#news">¿·Ãå¾ðÊó</a></li>
<li><a href="feature.html">³«È¯¤Þ¤Ç¤Î·Ð°Þ</a></li>
<li><a href="#download">¥À¥¦¥ó¥í¡¼¥É</a></li>
<li><a href="#install">¥¤¥ó¥¹¥È¡¼¥ë</a>
<ul>
<li><a href="#install-unix">Unix</a></li>
<li><a href="#install-windows">Windows</a></li>
</ul>
</li>
<li><a href="#usage-tools">»È¤¤Êý</a>
<ul>
<li><a href="#parse">¤È¤ê¤¢¤¨¤º²òÀϤ¹¤ë</a></li>
<li><a href="#wakati">¤ï¤«¤Á½ñ¤¤ò¤¹¤ë</a></li>
<li><a href="#format">½ÐÎÏ¥Õ¥©¡¼¥Þ¥Ã¥È¤ÎÊѹ¹</a>
</ul>
<li><a href="#usage-tools2">¹âÅ٤ʻȤ¤Êý</a>
<ul>
<li><a href="#charset">ʸ»ú¥³¡¼¥É¤ÎÊѹ¹</a></li>
<li><a href="#nbest">N-Best ²ò¤Î½ÐÎÏ</a></li>
<li><a href="dic.html">ñ¸ì¤ÎÄɲÃÊýË¡</a></li>
<li><a href="format.html">½ÐÎÏ¥Õ¥©¡¼¥Þ¥Ã¥È¤Î¾ÜºÙÄêµÁ</a></li>
<li><a href="posid.html">ÉÊ»ìID¤ÎÄêµÁ</a></li>
<li><a href="partial.html">À©ÌóÉÕ¤²òÀÏ(Éôʬ²òÀÏ)</a></li>
<li><a href="soft.html">¥½¥Õ¥È¤ï¤«¤Á½ñ¤</a></li>
<li><a href="libmecab.html">C/C++ ¥é¥¤¥Ö¥é¥ê¥¤¥ó¥¿¥Õ¥§¡¼¥¹</a> </li>
<li><a href="mecab.html">¤½¤Î¾¤Î¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×¥·¥ç¥ó</a></li>
<li><a href="dic-detail.html">MeCab ¤Î¼½ñ¹½Â¤¤ÈÈÆÍѥƥ¥¹¥ÈÊÑ´¹¥Ä¡¼¥ë¤È¤·¤Æ¤ÎÍøÍÑ</a></li>
<li><a href="unk.html">̤Ãθì½èÍý¤ÎºÆÄêµÁ</a></li>
<li><a href="learn.html">¥ª¥ê¥¸¥Ê¥ë¼½ñ/¥³¡¼¥Ñ¥¹¤«¤é¤Î¥Ñ¥é¥á¡¼¥¿¿äÄê</a></li>
<li><a href="bindings.html">¥¹¥¯¥ê¥×¥È¸À¸ì(perl/ruby/python/Java) ¥Ð¥¤¥ó¥Ç¥£¥ó¥°</a></li>
</ul>
<li><a href="#thanks">¼Õ¼</a></li>
</ul>
<h2><a name="feature">ÆÃħ</a></h2>
<ul>
<li>¼½ñ, ¥³¡¼¥Ñ¥¹¤Ë°Í¸¤·¤Ê¤¤ÈÆÍÑŪ¤ÊÀß·×</li>
<li>¾ò·ïÉÕ¤³ÎΨ¾ì(<a href="http://www.cis.upenn.edu/~pereira/papers/crf.pdf">CRF</a>)¤Ë´ð¤Å¤¯¹â¤¤²òÀÏÀºÅÙ
<li><a href="http://chasen.naist.jp">ChaSen</a> ¤ä <a
href="http://kakasi.namazu.org">KAKASI</a> ¤ËÈæ¤Ù¹â®</li>
<li>¼½ñ°ú¤¥¢¥ë¥´¥ê¥º¥à/¥Ç¡¼¥¿¹½Â¤¤Ë, ¹â®¤Ê TRIE ¹½Â¤¤Ç¤¢¤ë
<a href="http://cl.naist.jp/~taku-ku/software/darts">Double-Array</a>¤òºÎÍÑ.
<li>ºÆÆþ²Äǽ¤Ê¥é¥¤¥Ö¥é¥ê</li>
<li>³Æ¼ï¥¹¥¯¥ê¥×¥È¸À¸ì¥Ð¥¤¥ó¥Ç¥£¥ó¥°(perl/ruby/python/java/C#)</li>
</ul>
<h2><a name="diff">Èæ³Ó</a></h2>
<table>
<tr class="even">
<td align="center"></td>
<td align="center"><b>MeCab</b></td>
<td align="center"><a href=
"http://chasen.naist.jp/">ChaSen</a></td>
<td align="center"><a href="http://pine.kuee.kyoto-u.ac.jp/nl-resource/juman.html">JUMAN</a></td>
<td align="center"><a href="http://kakasi.namazu.org">KAKASI</a></td>
</tr>
<tr class="odd">
<td align="center">²òÀÏ¥â¥Ç¥ë</td>
<td align="center">bi-gram ¥Þ¥ë¥³¥Õ¥â¥Ç¥ë</td>
<td align="center">²ÄÊÑĹ¥Þ¥ë¥³¥Õ¥â¥Ç¥ë</td>
<td align="center">bi-gram ¥Þ¥ë¥³¥Õ¥â¥Ç¥ë</td>
<td align="center">ºÇĹ°ìÃ×</td>
</tr>
<tr class="even">
<td align="center">¥³¥¹¥È¿äÄê</td>
<td align="center">¥³¡¼¥Ñ¥¹¤«¤é³Ø½¬</td>
<td align="center">¥³¡¼¥Ñ¥¹¤«¤é³Ø½¬</td>
<td align="center">¿Í¼ê</td>
<td align="center">¥³¥¹¥È¤È¤¤¤¦³µÇ°Ìµ¤·</td>
</tr>
<tr class="odd">
<td align="center">³Ø½¬¥â¥Ç¥ë</td>
<td align="center"><a href="http://www.cis.upenn.edu/~pereira/papers/crf.pdf">CRF</a> (¼±ÊÌ¥â¥Ç¥ë)</td>
<td align="center">HMM (À¸À®¥â¥Ç¥ë)</td>
<td align="center"></td>
<td align="center"></td>
</tr>
<tr class="even">
<td align="center">¼½ñ°ú¤¥¢¥ë¥´¥ê¥º¥à</td>
<td align="center">Double Array</td>
<td align="center">Double Array</td>
<td align="center">¥Ñ¥È¥ê¥·¥¢ÌÚ</td>
<td align="center">Hash?</td>
</tr>
<tr class="odd">
<td align="center">²òõº÷¥¢¥ë¥´¥ê¥º¥à</td>
<td align="center">Viterbi</td>
<td align="center">Viterbi</td>
<td align="center">Viterbi</td>
<td align="center">·èÄêŪ?</td>
</tr>
<tr class="even">
<td align="center">Ï¢ÀÜɽ¤Î¼ÂÁõ</td>
<td align="center">2¼¡¸µ Table</td>
<td align="center">¥ª¡¼¥È¥Þ¥È¥ó</td>
<td align="center">2¼¡¸µ Table?</td>
<td align="center">Ï¢ÀÜɽ̵¤·?</td>
</tr>
<tr class="odd">
<td align="center">ÉÊ»ì¤Î³¬ÁØ</td>
<td align="center">̵À©¸Â¿³¬ÁØÉÊ»ì</td>
<td align="center">̵À©¸Â¿³¬ÁØÉÊ»ì</td>
<td align="center">2Ãʳ¬¸ÇÄê</td>
<td align="center">ÉÊ»ì¤È¤¤¤¦³µÇ°Ìµ¤·?</td>
</tr>
<tr class="even">
<td align="center">̤Ãθì½èÍý</td>
<td align="center">»ú¼ï (Æ°ºîÄêµÁ¤òÊѹ¹²Äǽ)</td>
<td align="center">»ú¼ï (Êѹ¹ÉÔ²Äǽ)</td>
<td align="center">»ú¼ï (Êѹ¹ÉÔ²Äǽ)</td>
<td align="center"></td>
</tr>
<tr class="odd">
<td align="center">À©Ìó¤Ä¤²òÀÏ</td>
<td align="center">²Äǽ</td>
<td align="center">2.4.0¤Ç²Äǽ</td>
<td align="center">ÉÔ²Äǽ</td>
<td align="center">ÉÔ²Äǽ</td>
</tr>
<tr class="even">
<td align="center">N-best²ò</td>
<td align="center">²Äǽ</td>
<td align="center">ÉÔ²Äǽ</td>
<td align="center">ÉÔ²Äǽ</td>
<td align="center">ÉÔ²Äǽ</td>
</tr>
</table>
<p>MeCab ¤Ë»ê¤ë¤Þ¤Ç¤Î·ÁÂÖÁDzòÀϴﳫȯ¤ÎÎò»ËÅù¤Ï<a href="feature.html">¤³¤Á¤é</a>¤ò¤´Í÷¤¯¤À¤µ¤¤</li>
<h2>¥á¡¼¥ê¥ó¥°¥ê¥¹¥È</h2>
<ul>
<li><a href="http://lists.sourceforge.jp/mailman/listinfo/mecab-users">
°ìÈ̥桼¥¶¸þ¤±¥á¡¼¥ê¥ó¥°¥ê¥¹¥È</a>
<li><a href="http://lists.sourceforge.jp/mailman/listinfo/mecab-devel">
³«È¯¼Ô¸þ¤±¥á¡¼¥ê¥ó¥°¥ê¥¹¥È</a>
</ul>
<h2><a name="news">¿·Ãå¾ðÊó</a></h2>
<ul>
<li><strong>2007-06-10</strong> MeCab 0.96<br>
<ul>
<li>¥Ð¥Ã¥Õ¥¡¥ª¡¼¥Ð¥Õ¥í¡¼¤Î¥Ð¥°¤ò½¤Àµ
<li>¾ï¤ËPOS-ID¤òºîÀ®¤¹¤ë¤è¤¦¤Ë¤·¤¿ (-p ¥ª¥×¥·¥ç¥ó¤ÎÇÑ»ß)
<li>¥æ¡¼¥¶¼½ñ¤Î¥Ç¥ê¥ß¥¿¤ò : ¤«¤é , (CSV) ¤ËÊѹ¹ (WindowsÂкö)
<li>charset¤ÎȽÄê¤Ë¥Ð¥°¤¬¤¢¤ê, ¤¢¤ë¾ò·ï¤Ç¥æ¡¼¥¶¼½ñ¤È¥·¥¹¥Æ¥à¼½ñ¤¬Èó¸ß´¹¤Ë¤Ê¤ë¥Ð¥°¤ò½¤Àµ
<li>¥æ¡¼¥¶¼½ñ¥Õ¥¡¥¤¥ë¤Îʸ»ú¥³¡¼¥É¤¬¥·¥¹¥Æ¥à¼½ñ¥Õ¥¡¥¤¥ë¤Îʸ»ú¥³¡¼
¥É¤¬°Û¤Ê¤ë¾ì¹ç, ¼½ñ¤Î¹½ÃÛ¤¬¤¦¤Þ¤¯¤¤¤«¤Ê¤«¤Ã¤¿ÌäÂê¤Î½¤Àµ
<li>¥³¥Þ¥ó¥É¥é¥¤¥ó¥ª¥×¥·¥ç¥ó¤ò¥À¥ó¥×¤¹¤ë --dump-config ¥ª¥×¥·¥ç¥ó¤ÎÄɲÃ
<li>EM¥Ù¡¼¥¹¤ÎHMM³Ø½¬¤ò¥µ¥Ý¡¼¥È¤Ç¤¤ë¤è¤¦¤Ê³Ø½¬¥ë¡¼¥Á¥ó¤ÎÄɲÃ
(experimental)
</ul>
<li><strong>2007-03-11</strong> MeCab 0.95<br>
<ul>
<li>¸Å¤¤¥³¥ó¥Ñ¥¤¥é¤Ç¥³¥ó¥Ñ¥¤¥ë¤Ç¤¤Ê¤¤ÌäÂê¤ò½¤Àµ
<li>csv¤Î¥¨¥¹¥±¡¼¥×¤ÎÉÔ¶ñ¹ç¤Ç ","¤ò´Þ¤àñ¸ì¤¬ÄɲäǤ¤Ê¤«¤Ã¤¿ÌäÂê¤ò½¤Àµ
<li>UTF8¼½ñ¤¬°ìÉôÀµ¾ï¤ËºîÀ®¤Ç¤¤Ê¤«¤Ã¤¿¥Ð¥°¤Î½¤Àµ
<li>recall/precision¤Îɽ¼¨¤¬È¿ÂФˤʤäƤ¤¤¿¥Ð¥°¤Î½¤Àµ
<li>¥³¥Þ¥ó¥É¥é¥¤¥ó²òÀϤÎÉÔ¶ñ¹ç¤Î½¤Àµ
<li>¤½¤Î¾ºÙ¤«¤Ê¥Ð¥°¤Î½¤Àµ
</ul>
<li><strong>2007-02-24</strong>MeCab 0.94<br>
<ul>
<li>¿¤¯¤Î¥Ð¥°¥Õ¥£¥Ã¥¯¥¹
<li>HMM¤Ë¤è¤ë³Ø½¬¤ò¥µ¥Ý¡¼¥È (¼Â¸³Åª)
<li>²òÀÏ·ë²Ì¤ÎÁ´¾ðÊó¤ò¼èÆÀ¤Ç¤¤ëAPI¤òÄɲà (begin_node_list, end_node_list)
<li>char.def, unk.def, matrix.def ¤¬Ì¤ÄêµÁ¤Î¾ì¹ç¤Ç¤â¼½ñ¤¬ºîÀ®¤Ç¤¤ë¤è¤¦Êѹ¹
<li>WindowsÈǤΠiconv.dll¤Ø¤Î°Í¸¤òÇÑ»ß
<li>¥³¡¼¥É¤Î¥¯¥ê¡¼¥ó¥¢¥Ã¥×
</ul>
<li><strong>2006-07-30</strong> MeCab 0.93<br>
<ul>
<li>¥é¥¤¥»¥ó¥¹¤òLGPL¤«¤éBSD,LGPL,GPL¤Î¥È¥ê¥×¥ë¥é¥¤¥»¥ó¥¹¤ËÊѹ¹
</ul>
<li><strong>2006-07-10</strong> MeCab 0.92<br>
<ul>
<li>¼½ñ¥³¥ó¥Ñ¥¤¥éÅù, °ìÉôPerl¤Ç¼ÂÁõ¤µ¤ì¤Æ¤¤¤¿¥³¡¼¥É¤òC++¤ÇºÆ¼ÂÁõ. Perl¤Ø¤Î°Í¸À¤ÎÇÓ½ü
<li>¼½ñ¥³¥ó¥Ñ¥¤¥é (mecab-dict-index) ¤Î¹â®²½
<li>rewrite.def ¤Î¥·¥ó¥¿¥Ã¥¯¥¹¤ÎÊѹ¹
<li>-x "̤ÃθìÉÊ»ì" ¥ª¥×¥·¥ç¥ó¤ÎÄɲÃ: ̤Ãθì¿äÄê¤ò¹Ô¤ï¤º,
¥æ¡¼¥¶¤¬»ØÄꤷ¤¿ "̤ÃθìÉÊ»ì" ¤ò½ÐÎÏ
<li><a href="posid.html">ÉÊ»ì id</a> ¤Î¥µ¥Ý¡¼¥È
<li>ʸ»ú¼ï¾ðÊ󤬰ìÉô³Ø½¬¤Ç¤¤Æ¤¤¤Ê¤«¤Ã¤¿¥Ð¥°¤Î½¤Àµ
<li>³Ø½¬¤ÎºÝ, ÉÑÅ٤ˤè¤ëÂÀڤ꤬¤Ç¤¤Æ¤¤¤Ê¤«¤Ã¤¿¥Ð¥°¤Î½¤Àµ
<li>¤½¤Î¾ºÙ¤¤¥Ð¥°¤Î½¤Àµ
</ul>
<li><strong>2006-04-30</strong> MeCab 0.91<br>
<ul>
<li>Windows ´Ä¶¤Çʸ»úÎó¤ÎºÇ¸å¤¬È¾³Ñ¥¹¥Ú¡¼¥¹¤Î»þ¤ËÍî¤Á¤ë¥Ð¥°¤Î½¤Àµ
<li>Ï¢ÀÜɽ¤ÎÁ°·ï¤È¸å·ï¤Î¥µ¥¤¥º¤¬°Û¤Ê¤ë¤È¤¤ËÀµ¤·¤¯²òÀϤǤ¤Ê¤¤¥Ð¥°
¤Î½¤Àµ
<li>mecab-dict-index ¤Ë -f ¥ª¥×¥·¥ç¥ó¤òÄɲä·, CSV ¤Îʸ»ú¥³¡¼¥É¤ò¥æ¡¼
¥¶¤¬»ØÄê¤Ç¤¤ë¤è¤¦¤Ë¤·¤¿
<li>°ìÉô¤Î API´Ø¿ô¤¬ export ¤µ¤ì¤Æ¤¤¤Ê¤¤ÌäÂê¤Î½¤Àµ
<li>CRF¤Î³Ø½¬¤ò pthread ¤ò»È¤Ã¤ÆÊÂÎó¤Ë¹Ô¤¨¤ë¤è¤¦¤Ë¤·¤¿
(experimental)
<li>¥æ¡¼¥¶¼½ñ¤¬ºîÀ®¤Ç¤¤Ê¤¤ÌäÂê¤Î½¤Àµ
<li>example ¥Ç¥£¥ì¥¯¥È¥ê¤Ë MeCab¤Î±þÍÑÎã¤òÄɲà (unittest)
<li>¤½¤Î¾ºÙ¤¤¥Ð¥°¤Î½¤Àµ
</ul>
<li><strong>2006-03-26</strong> MeCab 0.90<br>
<ul>
<li>Initial release!
</ul>
</ul>
<h2><a name="download">¥À¥¦¥ó¥í¡¼¥É</a></h2>
<ul>
<li><b>MeCab</b> ¤Ï¥Õ¥ê¡¼¥½¥Õ¥È¥¦¥§¥¢¤Ç¤¹¡¥<a href="http://www.gnu.org/licenses/gpl.txt">GPL</a>(the GNU General Public
License), <a href="http://www.gnu.org/licenses/lgpl.txt">LGPL</a>(Lesser GNU General Public License), ¤Þ¤¿¤Ï BSD
¥é¥¤¥»¥ó¥¹¤Ë½¾¤Ã¤ÆËÜ¥½¥Õ¥È¥¦¥§¥¢¤ò»ÈÍÑ,ºÆÇÛÉÛ¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹.
¾ÜºÙ¤Ï COPYING, GPL, LGPL, BSD³Æ¥Õ¥¡¥¤¥ë¤ò»²¾È¤·¤Æ²¼¤µ¤¤¡¥
<li><b>MeCab</b> ËÜÂÎ
<h3><a name="source">Source</a></h3>
<ul>
<li>mecab-0.95.tar.gz:<a href="src">¥À¥¦¥ó¥í¡¼¥É</a>
<li>¼½ñ¤Ï´Þ¤Þ¤ì¤Æ¤¤¤Þ¤»¤ó. Æ°ºî¤Ë¤ÏÊÌÅÓ¼½ñ¤¬É¬ÍפǤ¹.
</ul>
<h3><a name="win">Binary package for MS-Windows</a></h3>
<ul>
<li>mecab-0.95.exe:<a href="src">¥À¥¦¥ó¥í¡¼¥É</a>
<li>Windows ÈÇ¤Ë¤Ï ¥³¥ó¥Ñ¥¤¥ëºÑ¤ß¤Î IPA ¼½ñ¤¬´Þ¤Þ¤ì¤Æ¤¤¤Þ¤¹</a>
</li>
</ul>
<li><b>MeCab</b> ÍѤμ½ñ
<h3>IPA ¼½ñ</h3>
<ul>
<li>IPA ¼½ñ, IPA¥³¡¼¥Ñ¥¹ ¤Ë´ð¤Å¤
<a href="http://www.cis.upenn.edu/~pereira/papers/crf.pdf">CRF</a>
¤Ç¥Ñ¥é¥á¡¼¥¿¿äÄꤷ¤¿¼½ñ¤Ç¤¹. <b>(¿ä¾©)</b> <a href="src">¥À¥¦¥ó¥í¡¼¥É</a></li>
</ul>
<h3>Juman ¼½ñ</h3>
<ul>
<li>Juamn ¼½ñ, µþÅÔ¥³¡¼¥Ñ¥¹¤Ë´ð¤Å¤
<a href="http://www.cis.upenn.edu/~pereira/papers/crf.pdf">CRF</a>
¤Ç¥Ñ¥é¥á¡¼¥¿¿äÄꤷ¤¿¼½ñ¤Ç¤¹. <a href="src">¥À¥¦¥ó¥í¡¼¥É</a></li>
</ul>
<h3>Canna dic</h3>
<ul>
<li>Canna ¼½ñ: ¸ø³«Í½Äê</li>
</ul>
<li><a name="script"><b>perl/ruby/python/java ¥Ð¥¤¥ó¥Ç¥£¥ó¥°</b></a>
<ul>
<li> <a href="src">¥À¥¦¥ó¥í¡¼¥É</a>
</ul>
</ul>
</ul>
<h2><a name="install">¥¤¥ó¥¹¥È¡¼¥ë</a></h2>
<h3><a name="install-unix">UNIX</a></h3>
<ul>
<li>Æ°ºî¤ËɬÍפʤâ¤Î
<ul>
<li>C++ ¥³¥ó¥Ñ¥¤¥é (g++ 3.4.3 ¤È VC7 ¤Ç¤Î¥³¥ó¥Ñ¥¤¥ë¤ò³Îǧ¤·¤Æ¤¤¤Þ¤¹)</li>
<li>iconv (libiconv): ¼½ñ¤Î¥³¡¼¥ÉÊÑ´¹¤Ë»È¤¤¤Þ¤¹</li>
</ul>
<li>¥¤¥ó¥¹¥È¡¼¥ë¼ê½ç
<p>°ìÈÌŪ¤Ê¥Õ¥ê¡¼¥½¥Õ¥È¥¦¥§¥¢¤ÈƱ¤¸¼ê½ç¤Ç¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤¤Þ¤¹.</p>
<pre>
% tar zxfv mecab-X.X.tar.gz
% cd mecab-X.X
% ./configure
% make
% make check
% su
# make install
</pre>
</li>
<p>¼½ñ¤Î¥¤¥ó¥¹¥È¡¼¥ë</p>
<pre>
% tar zxfv mecab-ipadic-2.7.0-XXXX.tar.gz
% mecab-ipadic-2.7.0-XXXX
% ./configure
% make
% su
# make install
</pre>
</ul>
</ul>
<h3><a name="install-windows">Windows</a></h3>
<p>¥Ð¥¤¥Ê¥ê¤ò¥¤¥ó¥¹¥È¡¼¥ë¤¹¤ë¾ì¹ç¤Ï,
¼«¸Ê²òÅ।¥ó¥¹¥È¡¼¥é (mecab-X.X.exe)
¤ò¼Â¹Ô¤·¤Æ¤¯¤À¤µ¤¤. ¼½ñ¤âƱ»þ¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¤Þ¤¹.</p>
<h2><a name="usage-tools">»È¤¤Êý</a></h2>
<h3><a name="parse">¤È¤ê¤¢¤¨¤º²òÀϤ·¤Æ¤ß¤ë</a></h3>
<p>mecab ¤òµ¯Æ°¤·¤Æ,
À¸Ê¸¤òɸ½àÆþÎϤ«¤éÆþÎϤ·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤.MeCab ¤Ç¤Ï, °ì¹Ô°ìʸ¤òÁ°Äó¤È¤·¤Æ²òÀϤò¹Ô¤Ê¤¤¤Þ¤¹.</p>
<pre>
% mecab
¤¹¤â¤â¤â¤â¤â¤â¤â¤â¤Î¤¦¤Á
¤¹¤â¤â ̾»ì,°ìÈÌ,*,*,*,*,¤¹¤â¤â,¥¹¥â¥â,¥¹¥â¥â
¤â ½õ»ì,·¸½õ»ì,*,*,*,*,¤â,¥â,¥â
¤â¤â ̾»ì,°ìÈÌ,*,*,*,*,¤â¤â,¥â¥â,¥â¥â
¤â ½õ»ì,·¸½õ»ì,*,*,*,*,¤â,¥â,¥â
¤â¤â ̾»ì,°ìÈÌ,*,*,*,*,¤â¤â,¥â¥â,¥â¥â
¤Î ½õ»ì,Ï¢Âβ½,*,*,*,*,¤Î,¥Î,¥Î
¤¦¤Á ̾»ì,Èó¼«Î©,Éû»ì²Äǽ,*,*,*,¤¦¤Á,¥¦¥Á,¥¦¥Á
EOS
</pre>
<p>
½ÐÎÏ¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï, ChaSen ¤Î¤½¤ì¤ÈÂ礤¯°Û¤Ê¤ê¤Þ¤¹.
º¸¤«¤é, </p>
<pre>
ɽÁØ·Á\tÉÊ»ì,ÉÊ»ìºÙʬÎà1,ÉÊ»ìºÙʬÎà2,ÉÊ»ìºÙʬÎà3,³èÍÑ·Á,³èÍÑ·¿,¸¶·Á,Æɤß,ȯ²»
</pre>
<p>¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹. </p>
<p>°ú¿ô¤Ë¥Õ¥¡¥¤¥ë¤òÍ¿¤¨¤ë¤È,
¤½¤Î¥Õ¥¡¥¤¥ë¤¬²òÀÏÂоݤȤʤê¤Þ¤¹. ¤Þ¤¿, -o
¥ª¥×¥·¥ç¥ó¤Ë¤Æ,
Ê̤Υե¡¥¤¥ë¤Ë·ë²Ì¤ò½ÐÎϤ¹¤ë¤³¤È¤â²Äǽ¤Ç¤¹.</p>
<pre>
% mecab INPUT -o OUTPUT
</pre>
<h3><a name="wakati">¤ï¤«¤Á½ñ¤¤ò¤¹¤ë</a></h3>
<p>°Ê²¼¤Î¤è¤¦¤Ë -O ¥ª¥×¥·¥ç¥ó¤ò»È¤¤¤Þ¤¹.</p>
<pre>
% mecab -O wakati
ÂÀϺ¤Ï¤³¤ÎËܤòÆóϺ¤ò¸«¤¿½÷À¤ËÅϤ·¤¿¡£
ÂÀϺ ¤Ï ¤³¤Î ËÜ ¤ò ÆóϺ ¤ò ¸« ¤¿ ½÷À ¤Ë ÅϤ· ¤¿ ¡£
</pre>
<h3><a name="format">½ÐÎÏ¥Õ¥©¡¼¥Þ¥Ã¥È¤ÎÊѹ¹</a></h3>
<p>°Ê²¼¤Î¤è¤¦¤Ë -O ¥ª¥×¥·¥ç¥ó¤ò»È¤¤¤Þ¤¹.</p>
<pre>
% mecab -Oyomi (¥è¥ßÉÕÍ¿)
% mecab -Ochasen (ChaSen¸ß´¹)
% mecab -Odump (Á´¾ðÊó¤ò½ÐÎÏ)
</pre>
<p>
¤³¤ì¤é¤Î½ÐÎÏ¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï, /usr/local/lib/mecab/ipadic/dicrc
¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤Þ¤¹. ¤µ¤é¤Ë,
¥æ¡¼¥¶¤¬¤³¤ì¤é¤Î¥Õ¥©¡¼¥Þ¥Ã¥È¤ò¼«Í³¤ËÄêµÁ¤¹¤ë¤³¤È¤¬²Äǽ¤Ç¤¹.
<a href="format.html">¤³¤Á¤é</a>¤ò¤´Í÷¤¯¤À¤µ¤¤.</p>
<h2><a name="usage-tools2">¹âÅ٤ʻȤ¤Êý</a></h2>
<h3><a name="charset">ʸ»ú¥³¡¼¥ÉÊѹ¹</a></h3>
<p>Æä˻ØÄꤷ¤Ê¤¤¸Â¤ê, euc ¤¬»ÈÍѤµ¤ì¤Þ¤¹. ¤â¤·,
shift-jis ¤ä utf8 ¤ò »È¤¤¤¿¤¤¾ì¹ç¤Ï, ¼½ñ¤Î configure ¥ª¥×¥·¥ç¥ó¤Ë¤Æ charset ¤òÊѹ¹¤·,
¼½ñ¤òºÆ¹½ÃÛ¤·¤Æ¤¯¤À¤µ¤¤. ¤³¤ì¤Ç, shift-jis ¤ä,
utf8 ¤Î¼½ñ¤¬ºîÀ®¤µ¤ì¤Þ¤¹.</p>
<pre>
% tar zxfv mecab-ipadic-2.7.0-xxxx
% cd mecab-ipadic-2.7.0-xxxx
% ./configure --with-charset=sjis
% make
% tar zxfv mecab-ipadic-2.7.0-xxxx
% ./configure --with-charset=utf8
% make
</pre>
<p>¤Þ¤¿, mecab-dict-index ¤Î -t ¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤ÆľÀÜʸ»ú¥³¡¼¥É¤Î°Û¤Ê¤ë
¼½ñ¤òºÆ¹½ÃۤǤ¤Þ¤¹. -f ¥ª¥×¥·¥ç¥ó¤Ï¥ª¥ê¥¸¥Ê¥ë¤Î¥Æ¥¥¹¥È¼½ñ¤Îʸ»ú¥³¡¼¥É¤Ç¤¹.
</p>
<pre>
% cd mecab-ipadic-2.7.0-xxxx
% /usr/local/libexec/mecab/mecab-dict-index -f euc-jp -t utf-8
# make install
</pre>
</pre>
<h3><a name="utf-8">UTF-8 only mode</a></h3>
<p>
configure option ¤Ç --enable-utf8-only ¤ò»ØÄꤹ¤ë¤È. MeCab ¤¬°·¤¦
ʸ»ú¥³¡¼¥É¤ò utf8 ¤Ë¸ÇÄꤷ¤Þ¤¹. euc-jp ¤ä shift-jis ¤ò¥µ¥Ý¡¼¥È¤¹¤ë¾ì¹ç,
MeCab ÆâÉô¤ËÊÑ´¹ÍѤΥơ¼¥Ö¥ë¤òËä¤á¤³¤ß¤Þ¤¹. --enable-utf8-only ¤ò
»ØÄꤹ¤ë¤³¤È¤Ç¥Æ¡¼¥Ö¥ë¤ÎËä¤á¤³¤ß¤òÍÞÀ©¤·, ·ë²Ì¤È¤·¤Æ¼Â¹Ô¥Ð¥¤¥Ê¥ê¤ò
¾®¤µ¤¯¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹.</p>
<h3><a name="unk">̤Ãθì¿äÄê</a></h3>
<p>
MeCab ¤Ï, ¼½ñ¤Ëñ¸ì¤¬Ì¤ÅÐÏ¿¤Î¾ì¹ç¤Ç¤âŬÅö¤Ë¤½¤ÎÉÊ»ì¤ò¿äÄꤷ¤Þ¤¹. </p>
<pre>
¥Û¥ê¥¨¥â¥ó»Ô
¥Û¥ê¥¨¥â¥ó ̾»ì,¸ÇÍ̾»ì,ÃÏ°è,°ìÈÌ,*,*,*
»Ô ̾»ì,ÀÜÈø,ÃÏ°è,*,*,*,»Ô,¥·,¥·
EOS
¥Û¥ê¥¨¥â¥ó¤µ¤ó
¥Û¥ê¥¨¥â¥ó ̾»ì,¸ÇÍ̾»ì,¿Í̾,°ìÈÌ,*,*,*
¤µ¤ó ̾»ì,ÀÜÈø,¿Í̾,*,*,*,¤µ¤ó,¥µ¥ó,¥µ¥ó
</pre>
<p>¤¿¤À¤·, ¤½¤ÎÀºÅÙ¤ÏÀµ³Î¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó. ÉÊ»ì¿äÄê¤ò¤ä¤á, ̤Ãθì¤Ï¾ï¤Ë
"̤Ãθì" ÉÊ»ì¤ò½ÐÎϤ·¤¿¤¤¾ì¹ç¤Ï -x (--unk-feature) ¥ª¥×¥·¥ç¥ó¤ò»È¤¤¤Þ¤¹.
¥ª¥×¥·¥ç¥ó¤Ç»ØÄꤵ¤ì¤¿Ê¸»úÎó¤¬ÉÊ»ì¤È¤·¤Æ»È¤ï¤ì¤Þ¤¹.</p>
</p>
<pre>%mecab --unk-feature "̤Ãθì"
¥Û¥ê¥¨¥â¥ó¤µ¤ó
¥Û¥ê¥¨¥â¥ó ̤Ãθì
¤µ¤ó ̾»ì,ÀÜÈø,¿Í̾,*,*,*,¤µ¤ó,¥µ¥ó,¥µ¥ó
</pre>
</p>
<h3><a name="nbest">N-Best ²ò¤Î½ÐÎÏ</a></h3>
<p>
-N #NUM ¥ª¥×¥·¥ç¥ó¤ò»È¤¦¤³¤È¤Ç, ³Î¤«¤é¤·¤¤¤â¤Î¤«¤é#NUM ¸Ä²òÀÏ·ë²Ì¤ò½ÐÎÏ
¤·¤Þ¤¹. ÍýÏÀŪ¤Ë¤Ï¤¹¤Ù¤Æ¤Î²Äǽ¤Ê²òÀϲò¤ò½ÐÎϤ¹¤ë¤³¤È¤¬
²Äǽ¤Ç¤¹¤¬, ½ÐÎϥХåե¡¤Î¤«¤Í¤¢¤¤¤«¤é, -N ¤ÎºÇÂçÃͤò 512 ¤ËÀ©¸Â¤·¤Æ¤¤¤Þ¤¹.
</p>
<pre>
% mecab -N2
º£Æü¤â¤·¤Ê¤¤¤È¤Í¡£
º£Æü ̾»ì,Éû»ì²Äǽ,*,*,*,*,º£Æü,¥¥ç¥¦,¥¥ç¡¼
¤â ½õ»ì,·¸½õ»ì,*,*,*,*,¤â,¥â,¥â
¤· Æ°»ì,¼«Î©,*,*,¥µÊÑ¡¦¥¹¥ë,̤Á³·Á,¤¹¤ë,¥·,¥·
¤Ê¤¤ ½õÆ°»ì,*,*,*,Æü졦¥Ê¥¤,´ðËÜ·Á,¤Ê¤¤,¥Ê¥¤,¥Ê¥¤
¤È ½õ»ì,Àܳ½õ»ì,*,*,*,*,¤È,¥È,¥È
¤Í ½õ»ì,½ª½õ»ì,*,*,*,*,¤Í,¥Í,¥Í
¡£ µ¹æ,¶çÅÀ,*,*,*,*,¡£,¡£,¡£
EOS
º£Æü ̾»ì,Éû»ì²Äǽ,*,*,*,*,º£Æü,¥¥ç¥¦,¥¥ç¡¼
¤â¤· Éû»ì,°ìÈÌ,*,*,*,*,¤â¤·,¥â¥·,¥â¥·
¤Ê¤¤ ·ÁÍÆ»ì,¼«Î©,*,*,·ÁÍƻ졦¥¢¥¦¥ªÃÊ,´ðËÜ·Á,¤Ê¤¤,¥Ê¥¤,¥Ê¥¤
¤È ½õ»ì,Àܳ½õ»ì,*,*,*,*,¤È,¥È,¥È
¤Í ½õ»ì,½ª½õ»ì,*,*,*,*,¤Í,¥Í,¥Í
¡£ µ¹æ,¶çÅÀ,*,*,*,*,¡£,¡£,¡£
EOS
</pre>
<h2><a name="thanks">¼Õ¼</a></h2>
<p>
CRF ¤Î¥Ñ¥é¥á¡¼¥¿¿äÄê¤Ë <a href="http://www.ece.nwu.edu/~nocedal">Jorge Nocedal</a> »á¤¬¹Í°Æ¤·¤¿ L-BFGS
¤ÈƱ»á¤¬¸ø³«¤·¤Æ¤¤¤ë FORTRAN ¼ÂÁõ¤ò»È¤ï¤»¤Æ¤¤¤¿¤À¤¤¤Æ¤ª¤ê¤Þ¤¹¡£¤¢¤ê¤¬¤È¤¦¤´¤¶¤¤¤Þ¤¹.</p>
<p><a
href="http://www.ece.northwestern.edu/~nocedal/lbfgs.html">http://www.ece.northwestern.edu/~nocedal/lbfgs.html</a></p>
<ul>
<li> J. Nocedal. Updating Quasi-Newton Matrices with Limited Storage
(1980), Mathematics of Computation 35, pp. 773-782.
<li>D.C. Liu and J. Nocedal. On the Limited Memory Method for Large Scale
Optimization (1989), Mathematical Programming B, 45, 3, pp. 503-528.
</ul>
</p>
<hr>
<p>$Id: index.html 135 2007-06-10 12:28:13Z taku-ku $;</p>
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