temporal data definition (for continuous and discrete time)

Representation of time uses xsd:dateTime for continuous
(real) time data. For discrete time, e.g. 1st period, 2nd
period, is represented using an attribute of "count" with
a scale information.

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$B$7$+$7!"#P#S#L#X$G$O!"N%;67?$N;~9o$r07$($k$h$&$K(B
$B$J$C$F$*$j!"$=$l$bF'=1$7$?$$$H;W$$$^$9!#6qBNE*$K$O!"(B
$B;~9o$r@0?t$GI=8=$7!"JLES%9%1!pJs$O!"JLESDj5A$7$F$*$-$^$9!#(B
$BDj5A$5$l$?%9%1!pJs$,$R$H$D$7$+$J$$>l9g$K$O!"(B
scale$BB0@-$OITMW$G$9!#$^$?!">JN,$5$l$?>l9g$K$O!"(B
$BJ#?t!J$^$?$OC1?t!KDj5A$5$l$?%9%1!pJs$NCf$G(B
$B%G%U%)%k%H$N%9%1!pJs$O!"0J2l9g!"#1#8F|$N#9;~$+$i#1#0;~!J#1#0;~$O4^$^$:!K$,(B
$B#14|!"#1#0;~$+$i#1#1;~$,#24|$H$$$C$?7A$GMxMQ$5$l$^$9!#(B
-- 
Yasu Nissy (Yasuyuki NISHIOKA), Dr.Eng.
MIT, 41-211
77 Massachusetts Ave
Cambridge MA 02139
Phone 617-452-2982, Fax 617-253-2249
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