org.apache.solr.search.similarities
Class IBSimilarityFactory
java.lang.Object
org.apache.solr.schema.SimilarityFactory
org.apache.solr.search.similarities.IBSimilarityFactory
public class IBSimilarityFactory
- extends SimilarityFactory
Factory for IBSimilarity
You must specify the implementations for all three components of the
Information-Based model (strings).
distribution
: Probabilistic distribution used to
model term occurrence
LL
: Log-logistic
SPL
: Smoothed power-law
lambda
: λw parameter of the
probability distribution
DF
: Nw/N
or average
number of documents where w occurs
TTF
: Fw/N
or
average number of occurrences of w in the collection
normalization
: Term frequency normalization
Any supported DFR normalization listed in
DFRSimilarityFactory
Optional settings:
- WARNING: This API is experimental and might change in incompatible ways in the next release.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
IBSimilarityFactory
public IBSimilarityFactory()
init
public void init(SolrParams params)
- Overrides:
init
in class SimilarityFactory
getSimilarity
public Similarity getSimilarity()
- Specified by:
getSimilarity
in class SimilarityFactory
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