groonga-token-filter-stem 8.0.3-1 (amd64 binary) in ubuntu cosmic

 Groonga is an open-source fulltext search engine and column store.
 It lets you write high-performance applications that requires fulltext search.
 .
 This package provides TokenFilterStem token filter that stem each token.
 The token filter uses libstemmer that uses stemming algorithm written
 by Snowball.