: This should solve most of my heartache.
: Whats the suggested way to use this ? Copy a solr jar ? Or just copy
: the code for this 1 query ?
that's entirely up to you, it depends on what kind of source management
you want to have -- the suggested way to use it is to run Solr and use it
via the
You might want to look into the DisjunctionMaxQuery class ... in
particular building a BooleanQuery containing a DisjunctionMaxQuery for
each 'word' of your input in the various fields ... i've found it to be
very effective. when it was first proposed it was called
"MaxDisjunctionQuery" and you c
: Assuming I want to boost the fields with the same value for all documents,
: can this be replaced by query-time boosting.
if i'm understanding what you mena, then yes.
: I, though, am storing the norms & yet do not get exact matches ranking
: higher than others.
the notion that norms help "ex
it depends on your goal. index time field boosts are a way to express
things like "this documents title is worth twice as much as the title of
most documents" query time boosts are a way to express "i care about
matches on this clause of my query twice as much as i do about matches to
other claus
: 1. Can I do away with index-time boosting for fields & tweak
: query-time boosting for them ? I understand that doc level boosting is
: very useful while indexing.
: But for fields, both index-boost & query-boost are mutiples which lead
: to the score, so would it be safe to say that I can repla
Thanks a lot Chris for the detailed & patitent response.
The value of a the field norm for any field named "A" is typically the
lengthNorm of the field, times the document boost, times the field boost
for *each* Field instance added to the document with the name "A".
(lengthNorm is by default
: The symptom:
: Very high fieldNorm for field A.(explain output pasted below) The boost i am
: applying to the troublesome field is 3.5 & the max boost applied per doc is
: 1.8
: Given that information, the very high fieldNorm is very surprising to me.
: Based on what I read, FieldNorm = 1 / s
