Hi Rajesh,
Solution includes 2 fields - one "ngram" field (like your txt_token) and
other "nonngram" field - just tokenized (like your txt_token without
ngram token filter). If you have two documents:
1. ABCDEF
2. ABCD
And you are searching for ABCD, if you use only ngram field, both are
matches and doc 1 can be first, but if you search from ngram:ABCD OR
nonngram:ABCD, doc 2 will have higher score.
Regards,
Emir
On 07.03.2016 15:20, G, Rajesh wrote:
Hi Emir,
Thanks for you email. Can you please help me to understand what do you mean by "e.g.
boost if matching tokenized fileds to make sure exact matches are ordered first"
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-----Original Message-----
From: Emir Arnautovic [mailto:emir.arnauto...@sematext.com]
Sent: Monday, March 7, 2016 7:36 PM
To: solr-user@lucene.apache.org
Subject: Re: Text search NGram
Hi Rajesh,
It is most likely related to norms - you can try setting omitNorms="true" and
reindexing content. Anyway, it is not common to use just ngrams for matching content - in
such case you can expect more unexpected ordering/results. You should combine ngrams
fields with normally tokenized fields (e.g. boost if matching tokenized fileds to make
sure exact matches are ordered first).
Regards,
Emir
On 07.03.2016 11:44, G, Rajesh wrote:
Hi Team,
We have the blow type and we have indexed the value "title": "Microsoft Visual Studio 2006" and
"title": "Microsoft Visual Studio 8.0.61205.56 (2005)"
When I search for title:(Microsoft Visual AND Studio AND 2005) I get Microsoft
Visual Studio 8.0.61205.56 (2005) as the second record and Microsoft Visual
Studio 2006 as first record. I wanted to have Microsoft Visual Studio
8.0.61205.56 (2005) listed first since the user has searched for Microsoft
Visual Studio 2005. Can you please help?.
We are using NGram so it takes care of misspelled or jumbled words[it
works as expected] e.g.
searching Micrs Visual Studio will gets Microsoft Visual Studio
searching Visual Microsoft Studio will gets Microsoft Visual Studio
<fieldType name="txt_token" class="solr.TextField" positionIncrementGap="0"
>
<analyzer type="index">
<charFilter class="solr.PatternReplaceCharFilterFactory"
pattern="\s+" replacement=" "/>
<tokenizer
class="solr.WhitespaceTokenizerFactory"/>
<filter class="solr.LowerCaseFilterFactory"/>
<filter class="solr.NGramFilterFactory" minGramSize="2"
maxGramSize="800"/>
</analyzer>
<analyzer type="query">
<charFilter class="solr.PatternReplaceCharFilterFactory"
pattern="\s+" replacement=" "/>
<tokenizer
class="solr.WhitespaceTokenizerFactory"/>
<filter class="solr.LowerCaseFilterFactory"/>
<filter class="solr.NGramFilterFactory" minGramSize="2"
maxGramSize="800"/>
</analyzer>
</fieldType>
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U741040HR2004PTC035324. Registered office: 6th Floor, Tower B, DLF Building
No.10 DLF Cyber City, Gurgaon, Haryana-122002, India..
This e-mail and/or its attachments are intended only for the use of the
addressee(s) and may contain confidential and legally privileged information
belonging to CEB and/or its subsidiaries, including CEB subsidiaries that offer
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in error, please notify the sender and immediately, destroy all copies of this
email and its attachments. The publication, copying, in whole or in part, or
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other than the intended person(s) is prohibited.
--
Monitoring * Alerting * Anomaly Detection * Centralized Log Management Solr &
Elasticsearch Support * http://sematext.com/
--
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Solr & Elasticsearch Support * http://sematext.com/
