: and my query string is "Hennessy", the length normalization factor considers
: all 4 tokens as in "John", "Hennessy",  "David",  "Patterson". This is
: similar to the score if my field was like:
: 
:   <field name="author">John Hennessy David Patterson</field> 
: 
: I want the score to consider only that field value with any matches (here,
: "John Hennessy"). 
: Thanks in advance

unfortunately not possible.  lengthNorm is part of fieldNorm and for each 
doc there is one fieldNorm per field name...

: > as the OP mentioned, the index time boost values for a field are per field 
: > *name* not per value ... they all get folded in together into hte 
: > fieldNorm for that field name in that document.



-Hoss

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