: Can you please share the Java code for Plural Only Porter Stemmer for English if you don't mind?
The Porter stemmer algorithm, by definition, does more then just stip plurals. If you are interested in a lighter weight stemmer for english, this is exactly what the EnglishMinimalStemFilterFactory is for... https://lucene.apache.org/core/4_8_0/analyzers-common/org/apache/lucene/analysis/en/EnglishMinimalStemFilterFactory.html Although you may also be interested in combining it with the EnglishPossessiveFilterFactory... https://lucene.apache.org/core/4_8_0/analyzers-common/org/apache/lucene/analysis/en/EnglishPossessiveFilterFactory.html -Hoss http://www.lucidworks.com/