nori_part_of_speech token filter

The nori_part_of_speech token filter removes tokens that match a set of part-of-speech tags. The list of supported tags and their meanings can be found here: Part of speech tags

It accepts the following setting:

stoptags: An array of part-of-speech tags that should be removed.

and defaults to:

  "stoptags": [ "E", "IC", "J", "MAG", "MAJ", "MM", "SP", "SSC", "SSO", "SC", "SE", "XPN", "XSA", "XSN", "XSV", "UNA", "NA", "VSV" ]  

For example:

  PUT nori_sample { "settings": { "index": { "analysis": { "analyzer": { "my_analyzer": { "tokenizer": "nori_tokenizer", "filter": [ "my_posfilter" ] } }, "filter": { "my_posfilter": { "type": "nori_part_of_speech", "stoptags": [ "NR" ] } } } } } } GET nori_sample/_analyze { "analyzer": "my_analyzer", "text": "여섯 용이" }  

Korean numerals should be removed (NR)
Six dragons

Which responds with:

  { "tokens" : [ { "token" : "용", "start_offset" : 3, "end_offset" : 4, "type" : "word", "position" : 1 }, { "token" : "이", "start_offset" : 4, "end_offset" : 5, "type" : "word", "position" : 2 } ] }  