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\begin{displaymath}
\scalebox{1}{$\displaystyle
cover_k = \frac{¥¯¥é¥¹¥¿¿ôk...
...½¤ÎËä¤Þ¤Ã¤Æ¤¤¤ë¥»¥ë¤Î¿ô}{¥¯¥é¥¹¥¿¿ôk¤Ç¤Îɽ¤Î¥»¥ë¤ÎÁí¿ô}
$}
\end{displaymath} (3.1)


$\displaystyle density_k = \min_{j \neq h}(cosine(d_{k,i,j},d_{k,i,h}))¡¡$     (3.2)
$\displaystyle i = 1, \cdots, C_k ¡¡j,h = 1, \cdots, \vert c_k,i\vert$      

¤³¤³¤Ç¡¤Á´¤Æ¤Î¥¯¥é¥¹¥¿¿ô¤Ç¤Î$cover_k$¤Î½¸¹ç¤ò$COVER$¡¤$max(COVER)$¤ò½¸¹ç$COVER$¤ÎºÇÂçÃÍ¡¤$min(COVER)$¤Ï½¸¹ç$COVER$¤ÎºÇ¾®ÃͤȤ¹¤ë¡¥ ³Æ¥¯¥é¥¹¥¿¤Ç¤Î$cover_k$¤ò¼°(3.3)¤Ç$0¡Á1$¤ÎÈϰϤËÀµµ¬²½¤¹¤ë¡¥

\begin{displaymath}
\scalebox{1}{$\displaystyle
norm(cover_k) = \frac{cover_k-min(COVER)}{max(COVER)-min(COVER)}
$}
\end{displaymath} (3.3)

ƱÍͤˡ¤Á´¤Æ¤Î¥¯¥é¥¹¥¿¿ô¤Ç¤Î$density_k$¤Î½¸¹ç¤ò$DENSITY$¡¤$max(DENSITY)$¤ò½¸¹ç$DENSITY$¤ÎºÇÂçÃÍ¡¤$min(DENSITY)$¤Ï½¸¹ç$DENSITY$¤ÎºÇ¾®ÃͤȤ¹¤ë¡¥ ³Æ¥¯¥é¥¹¥¿¤Ç¤Î$density_k$¤ò¼°(3.4)¤Ç$0¡Á1$¤ÎÈϰϤËÀµµ¬²½¤¹¤ë¡¥

\begin{displaymath}
\scalebox{1}{$\displaystyle
norm(density_k) = \frac{density_k-min(DENSITY)}{max(DENSITY)-min(DENSITY)}
$}
\end{displaymath} (3.4)

¥¯¥é¥¹¥¿¿ô$k$¤Ç¤Îɽ¤Î$Score_k$¤ò¼°(3.5)¤è¤êµá¤á¤ë¡¥$Score_k$¤¬ºÇÂç¤È¤Ê¤ë¤È¤­¤Î¥¯¥é¥¹¥¿¿ô$k$¤òºÇŬ¤Ê¥¯¥é¥¹¥¿¿ô¤È¤·¤ÆºÎÍѤ¹¤ë¡¥

\begin{displaymath}
\scalebox{1}{$\displaystyle
Score_k = norm(cover_k) \times norm(density_k)
$}
\end{displaymath} (3.5)

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