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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Drs. Shih-Lung Shaw (<st1:PlaceType w:st="on">University</st1:PlaceType>
of <st1:PlaceName w:st="on">Tennessee</st1:PlaceName>) and Hongbo Yu (<st1:place
w:st="on"><st1:PlaceName w:st="on">Oklahoma</st1:PlaceName> <st1:PlaceType
 w:st="on">State</st1:PlaceType></st1:place>) have done some interesting work
that extends a linear referencing approach to events in temporal gis.&nbsp; While
their application does use ESRI software, one should be able to extend the
concept of linear referencing on time paths to any spatial database that
supports linear referencing.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Bruce A. Ralston <o:p></o:p></span></font></p>

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