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Most of the time in Solr's Dismax query parser we use parameters like qf, pf or mm forgetting about a very useful parameter which allows us to control how the lower scoring fields are treated – the tie parameter. In this article you'll learn how this parameter can be put to good use.
0 replies - 1535 views - 02/08/12 by Rafał Kuć in Articles
One of the features of the latest Solr version (3.5) is the ability to identify the language of the document during its indexation. In today's entry we will see how Apache Solr works together with Apache Tika to identify the language of the documents.
0 replies - 2033 views - 02/06/12 by Rafał Kuć in Articles
Learn about the controversy that emerged in the early days of the Java 7 GA release because of the effect it had on Apache Lucene - from the perspective of Uwe...
1 replies - 4945 views - 02/03/12 by Mitchell Pronsc... in Videos
One of the configuration variables we can find in the solrconfig.xml file is maxBooleanClauses, which specifies the maximum number of boolean clauses that can be combined in a single query. The question is, do I have to worry about it when using filters in Solr? Find out.
0 replies - 1296 views - 02/02/12 by Rafał Kuć in Articles
Recently, we had a project where we helped a client index a corpus of
Chinese language documents in Solr. We have asked Dan Funk, a committer
to Project Blacklight
to provide a guest blog post for us on the details of how to approach
indexing Chinese,...
0 replies - 2437 views - 01/30/12 by Jason Hull in Articles
This talk will show how the relevance of search results can be
improved by using morphological analysis and named entity recognition.
After briefly...
0 replies - 2435 views - 01/27/12 by Mitchell Pronsc... in Videos
Search at Etsy poses significant challenges. Our marketplace is
filled with millions of unique, short-lived items and people trying to
find them over 10...
0 replies - 3468 views - 01/26/12 by Mitchell Pronsc... in Videos
The free Solr Reference Guide published by Lucid Imagination has been updated to 3.5 - the current release version of Solr
and Lucene. The changes weren't major, but here are the key changes:
1 replies - 2597 views - 01/23/12 by Mitchell Pronsc... in News
See and hear how IBM applies Lucence into their commercial software
offerings. Hear about experience in development and advantages of this...
0 replies - 1898 views - 01/21/12 by Christopher Smith in Videos
In
my last
post I described a known limitation
of BlockJoinQuery: it joins in only one direction (from
child to parent documents). This can be a problem because some
applications need to join in reverse (from parent to child documents)
instead.
0 replies - 1517 views - 01/18/12 by Michael Mccandless in Tips and Tricks
Today I’m gonna share with you my experience when I started with
Apache Cassandra…One of the most complicated steps to learn any NoSql
stuff, is to take away of your mind the normalization principles and
those relational DB structures. Relational...
0 replies - 3510 views - 01/18/12 by Jose Alvarez Mu... in Articles
Virgin Money Giving is a UK-based not-for-profit business that was
launched as a result of Virgin Money’s sponsorship of the London
Marathon and raised...
0 replies - 1585 views - 01/17/12 by Mitchell Pronsc... in Videos
Working at Lucid Imagination a customer once asked me about how they
could modify the score of the documents in Solr in order to get most
relevant results higher in the results list. While I was trying to
respond the question I realized that there are too...
1 replies - 1482 views - 01/16/12 by Christopher Smith in Articles
In this case study I'll discuss architectural lessons learned from
refactoring an existing REST-API backed by Apache Solr. The initial goal
of the...
0 replies - 1800 views - 01/15/12 by Mitchell Pronsc... in Videos
For more than a decade internet search engines have helped users find
documents they are looking for. However, what if users aren't looking
for anything...
1 replies - 2052 views - 01/13/12 by Mitchell Pronsc... in Videos