Unfortunately I'm not sure what boosting capabilities were available
in 1.2, but that syntax is correct for the 1.4+ at least.
And I'm sure the Explanation feature is not available in 1.2, but
with more recent versions of Lucene you'd be able to see the effect
of the boosts on the score.
Is there a way to boost a token while querying? Example, in the
following query +(DESC:sheets DESC:sheet), can the token 'sheets' be
boosted and given higher precedence over 'sheet' so the results matching
'sheets ' appear before those for 'sheet'? I am using lucene 1.2. I
tried using the boost fac