Lucene provides the relevance level of matching documents based on the terms found. To boost a term use the caret, "^", symbol with a boost factor (a number) at the end of the term you are searching. The higher the boost factor, the more relevant the term will be.
Boosting allows you to control the relevance of a document by boosting its term. For example, if you are searching for
jakarta apache
and you want the term "jakarta" to be more relevant boost it using the ^ symbol along with the boost factor next to the term. You would type:
jakarta^4 apache
This will make documents with the term jakarta appear more relevant. You can also boost Phrase Terms as in the example:
"jakarta apache"^4 "jakarta lucene"
By default, the boost factor is 1. Although the boost factor must be positive, it can be less than 1 (e.g. 0.2)
Regards.
Nader Henein
Karthik N S wrote:
Hi Guys
Apologies...........
This Question may be asked million times on this form ,need some clarifications.
1) FieldType = keyword name = vendor
2)FieldType = text name = contents
Question:
1) How to Construct a Query which would allow hits avaliable for the VENDOR to appear first ?.
2) If boosting is to be applied How TO ?.
3) Is the Query Constructed Below correct?.
+Contents:shoes +((vendor:nike)^10)
Please Advise. Thx in advance.
WITH WARM REGARDS HAVE A NICE DAY [ N.S.KARTHIK]
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