BOX 7.2 Handling Unkown Words

• $BEAE}E*$J(B parser $B$OL$CN8l$,$"$k$H(B parse $B$,$G$-$J$/$J$k(B
• trigram $B$rMQ$$$k$HL$CN8l$N(B category $B$r?dDj$G$-$k(B
  w₁,w₂,w₃ $B$H$$$&8l$N$J$i$S$,=P8=$7(B, w₃ $B$,L$CN8l$N>l9g(B PROB(C|C₁,C₂)
  
  $B$r:GBg$K$9$k(B category C $B$r(B w₃$B$K3d$jEv$F$l$P$h$$(B
• $B8l$N(B suffix $B$rMxMQ$9$k(B
  -ing $\rightarrow$ verb, -ly $\rightarrow$ adverb $B$K$J$j$d$9$$(B
  
  $$\begin{eqnarray*}PROB(word\ category\ C\vert\ end\ is\ -ly) \end{eqnarray*}$$
  
  $B$r?dDj$9$k(B