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Morfologik Polish Lemmatizer plugin for Elasticsearch

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Morfologik plugin for elasticsearch 8.x, 7.x, 6.x, 5.x and 2.x. It's lucene-analyzers-morfologik wrapper for elasticsearch.

Plugin provide "morfologik" analyzer and "morfologik_stem" token filter.

Originally created by https://github.com/monterail/elasticsearch-analysis-morfologik

Install

bin/elasticsearch-plugin install pl.allegro.tech.elasticsearch.plugin:elasticsearch-analysis-morfologik:8.16.0

tip: select proper plugin version, should be the same as elasticsearch version

Changelog:

version 7.6.0

Examples

"morfologik" analyzer

Request:

GET _analyze
{
  "analyzer": "morfologik",
  "text": "jestem"
}

Response:

{
  "tokens": [
    {
      "token": "być",
      "start_offset": 0,
      "end_offset": 6,
      "type": "<ALPHANUM>",
      "position": 0
    }
  ]
}

"morfologik_stem" token filter

Request:

GET _analyze
{
  "tokenizer": "standard",
  "filter": ["morfologik_stem"],
  "text": "jestem"
}

Response:

{
  "tokens": [
    {
      "token": "być",
      "start_offset": 0,
      "end_offset": 6,
      "type": "<ALPHANUM>",
      "position": 0
    }
  ]
}

Supported elasticsearch versions:

All ready to install plugins are deployed to maven central.

Elasticsearch 8.x

Elasticsearch 7.x

Elasticsearch 6.x

Elasticsearch 5.x

Elasticsearch 2.x

Install in Elasticsearch for version <= 5.4.0

bin/elasticsearch-plugin install \
  https://repo1.maven.org/maven2/pl/allegro/tech/elasticsearch/plugin/elasticsearch-analysis-morfologik/5.4.0/elasticsearch-analysis-morfologik-5.4.0-plugin.zip

tip: select proper plugin version, should be the same as elasticsearch version

Install in Elasticsearch 2.x

bin/plugin install \
  https://repo1.maven.org/maven2/pl/allegro/tech/elasticsearch/plugin/elasticsearch-analysis-morfologik/2.4.2/elasticsearch-analysis-morfologik-2.4.2-plugin.zip

tip: select proper plugin version, should be the same as elasticsearch version

Build

./gradlew clean build