Constructor and Description |
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QueryRescorer(Query query)
Sole constructor, passing the 2nd pass query to
assign scores to the 1st pass hits.
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Modifier and Type | Method and Description |
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protected abstract float |
combine(float firstPassScore,
boolean secondPassMatches,
float secondPassScore)
Implement this in a subclass to combine the first pass and
second pass scores.
|
Explanation |
explain(IndexSearcher searcher,
Explanation firstPassExplanation,
int docID)
Explains how the score for the specified document was
computed.
|
TopDocs |
rescore(IndexSearcher searcher,
TopDocs firstPassTopDocs,
int topN)
Rescore an initial first-pass
TopDocs . |
static TopDocs |
rescore(IndexSearcher searcher,
TopDocs topDocs,
Query query,
double weight,
int topN)
Sugar API, calling {#rescore} using a simple linear
combination of firstPassScore + weight * secondPassScore
|
public QueryRescorer(Query query)
protected abstract float combine(float firstPassScore, boolean secondPassMatches, float secondPassScore)
public TopDocs rescore(IndexSearcher searcher, TopDocs firstPassTopDocs, int topN) throws
Rescorer
TopDocs
.rescore
in class Rescorer
searcher
- IndexSearcher
used to produce the
first pass topDocsfirstPassTopDocs
- Hits from the first pass
search. It's very important that these hits were
produced by the provided searcher; otherwise the doc
IDs will not match!topN
- How many re-scored hits to return
public Explanation explain(IndexSearcher searcher, Explanation firstPassExplanation, int docID) throws
Rescorer
public static TopDocs rescore(IndexSearcher searcher, TopDocs topDocs, Query query, double weight, int topN) throws
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