I Overrrided DefaultSimilarity class to return idf=1 always
Now score is fully dependent on term matching.
If single term is matching, matching docs have same score.
If phrase is matching it has maximum score.
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http://lucene.472066.n3.nabble.com/Identify-exact
But user query can contain any number of terms. I can not know how many
fields term it has to match.
{
"responseHeader":{
"status":0,
"QTime":1,
"params":{
"mm":"0",
"sort":"score desc",
"indent":"true",
"qf":"exact_keywords",
"wt":"json",
"rows":"
I am using edismax for guessing category from user query.
If user says "I want to buy BMW and Audi car". This query will be fed to
edismax which will give me results based on phrase match.
Field contains following values
-BMW => Cars category
-Audi => Cars
-2 BHK => Real Estate
-need job => jobs
