<html>
<head>
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
</head>
<body bgcolor="#FFFFFF" text="#000000">
<div class="moz-cite-prefix">On 3/4/2014 2:31 AM, Junfei Guo wrote:<br>
</div>
<blockquote
cite="mid:CADFMWpvybRGpbNOvhd9XZbXMX6DsVG0nLzTWbpB8pbmT2rVXhQ@mail.gmail.com"
type="cite">
<div dir="ltr">
<div style="font-family:arial,sans-serif;font-size:13px">Hi All,</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br>
</div>
<div style="font-family:arial,sans-serif;font-size:13px">From
the source code I can see that to calculate the Lower Oder
Weight for interpolation, Srilm uses the special properties of
different Discount function. For example for Modified KN, it
uses the fact that the discount is a constant for all trigrams
which shows up more than 3 times.<br>
<br>
</div>
<font face="arial, sans-serif">My question is weather the
calculation of Back Off Weight also use this sort of
information or it only assume a general discount function.</font></div>
</blockquote>
<br>
<font face="arial, sans-serif">The computation of backoff weights if
independent of discounting method. It is only determined by the
requirement that the sum of all probabilities for a given history
sum up to 1.<br>
<br>
Andreas<br>
<br>
</font><br>
</body>
</html>