Solution for multi-term synonyms in Lucene/Solr using the Auto Phrasing TokenFilter | SearchHub | Lucene/Solr Open Source Search
Solution for multi-term synonyms in Lucene/Solr using the Auto Phrasing TokenFilter In a previous blog post, I introduced the AutoPhrasingTokenFilter. This filter is designed to recognize noun-phrases that represent a single entity or ‘thing’. In this post, I show how the use of this filter combined with a Synonym Filter configured to take advantage of auto phrasing, can help to solve an ongoing
Schemaless Solr | SearchHub | Lucene/Solr Open Source Search
This is the first part in a series about adding schemaless features to Apache Solr. Solr has dynamic fields, which allow for a kind of schemaless operation: you map field name prefixes or suffixes to field types, so that field names don’t have to be fully known up-front. However, it would be nice if Solr supported a schemaless mode that didn’t require any up-front schema configuration. This schema
Fun with DocValues in Solr 4.2 | SearchHub | Lucene/Solr Open Source Search
In the latest release of Apache Solr (4.2), support for DocValue field types were added. DocValues have been in the works in Lucene for a while (~5 years), also under the name “column stride fields”, but recently have become stable enough to incorporate into Solr. For those of you not familiar with the Lucene lingo, DocValues are column-oriented fields. In other words, values of DocValue fields ar
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Lucene Autophrasing token filter | SearchHub | Lucene/Solr Open Source Search
Using Solr’s REST APIs to manage stop words and synonyms | SearchHub | Lucene/Solr Open Source Search
Coming Soon to Solr: Efficient Cursor Based Iteration of Large Result Sets | SearchHub | Lucene/Solr Open Source Search
Garbage Collection Bootcamp 1.0 | SearchHub | Lucene/Solr Open Source Search
