Snowball token filter
Stack
A filter that stems words using a Snowball-generated stemmer. The language parameter controls the stemmer with the following available values: Arabic, Armenian, Basque, Catalan, Danish, Dutch, English, Estonian, Finnish, French, German, German2, Hungarian, Italian, Irish, Kp, Lithuanian, Lovins, Norwegian, Porter, Portuguese, Romanian, Russian, Serbian, Spanish, Swedish, Turkish.
Note
The Kp and Lovins values are deprecated in 8.16.0 and will be removed in a future version.
For example:
PUT /my-index-000001
{
"settings": {
"analysis": {
"analyzer": {
"my_analyzer": {
"tokenizer": "standard",
"filter": [ "lowercase", "my_snow" ]
}
},
"filter": {
"my_snow": {
"type": "snowball",
"language": "English"
}
}
}
}
}