Apache Solr Reference Guide Covering Apache Solr 6.0

hl.score.b 0.75 Specifies BM25 length normalization parameter 'b'. For
example, it can be set to "0" to ignore the length of passages
entirely when ranking.
hl.score.pivot 87 Specifies BM25 average passage length in characters.
hl.bs.language blank Specifies the breakiterator language for dividing the document
into passages.
hl.bs.country blank Specifies the breakiterator country for dividing the document
into passages.
hl.bs.variant blank Specifies the breakiterator variant for dividing the document into
passages.
hl.bs.type SENTENCE Specifies the breakiterator type for dividing the document into
passages. Can be SENTENCE, WORD, CHARACTER, LINE,
or WHOLE.
Related Content
PostingsHighlighter from the Solr wiki
PostingsSolrHighlighter javadoc
Spell Checking
The SpellCheck component is designed to provide inline query suggestions based on other, similar, terms. The
basis for these suggestions can be terms in a field in Solr, externally created text files, or fields in other Lucene
indexes.
Topics covered in this section:
Configuring the SpellCheckComponent
Spell Check Parameters
Distributed SpellCheck
Configuring the SpellCheckComponent
Define Spell Check in solrconfig.xml
The first step is to specify the source of terms in solrconfig.xml. There are three approaches to spell
checking in Solr, discussed below.
IndexBasedSpellChecker
The IndexBasedSpellChecker uses a Solr index as the basis for a parallel index used for spell checking. It
requires defining a field as the basis for the index terms; a common practice is to copy terms from some fields
(such as title, body, etc.) to another field created for spell checking. Here is a simple example of configuring s
olrconfig.xml with the IndexBasedSpellChecker:
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