I know some researchers who work in this area.<br><br><a href="http://ltrc.iiit.net/anil/papers/lang-distance-acl-sigphone-07.pdf">http://ltrc.iiit.net/anil/papers/lang-distance-acl-sigphone-07.pdf</a><br><br>This paper has a number of references which might be very useful to you.<br>
<br><a href="http://www.cs.cmu.edu/~jmadams/adamsagarwal2007.pdf">http://www.cs.cmu.edu/~jmadams/adamsagarwal2007.pdf</a><br><br>This is a survey report on computational historical linguistics which might interest you.<br clear="all">
<br>-- <br>With Regards,<br>Taraka Rama.<br><br>