70 lines
1.4 KiB
Markdown
70 lines
1.4 KiB
Markdown
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---
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mapped_pages:
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- https://www.elastic.co/guide/en/elasticsearch/plugins/current/analysis-kuromoji-speech.html
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---
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# kuromoji_part_of_speech token filter [analysis-kuromoji-speech]
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The `kuromoji_part_of_speech` token filter removes tokens that match a set of part-of-speech tags. It accepts the following setting:
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`stoptags`
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: An array of part-of-speech tags that should be removed. It defaults to the `stoptags.txt` file embedded in the `lucene-analyzer-kuromoji.jar`.
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For example:
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```console
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PUT kuromoji_sample
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{
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"settings": {
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"index": {
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"analysis": {
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"analyzer": {
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"my_analyzer": {
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"tokenizer": "kuromoji_tokenizer",
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"filter": [
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"my_posfilter"
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]
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}
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},
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"filter": {
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"my_posfilter": {
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"type": "kuromoji_part_of_speech",
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"stoptags": [
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"助詞-格助詞-一般",
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"助詞-終助詞"
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]
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}
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}
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}
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}
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}
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}
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GET kuromoji_sample/_analyze
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{
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"analyzer": "my_analyzer",
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"text": "寿司がおいしいね"
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}
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```
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Which responds with:
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```console-result
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{
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"tokens" : [ {
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"token" : "寿司",
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"start_offset" : 0,
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"end_offset" : 2,
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"type" : "word",
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"position" : 0
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}, {
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"token" : "おいしい",
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"start_offset" : 3,
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"end_offset" : 7,
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"type" : "word",
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"position" : 2
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} ]
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}
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```
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