Running a More-Like-This query without template

Use this API to search documents using a "More Like This" request without a template.

Requirement: OpenSearchServer v1.5.3

Call parameters

URL: /services/rest/index/{index_name}/morelikethis

Method: POST

Header:

  • Content-Type (required): application/json
  • Accept (optional returned type): application/json or application/xml

URL parameters:

  • index_name (required): The name of the index.

Raw data (POST):
The search field query either in JSON or XML format.

{
    "likeText": "open search server",
    "lang": "ENGLISH",
    "analyzerName": "StandardAnalyzer",
    "fields": [
       "contentExact",
       "titleExact"
    ],
    "minWordLen": 1,
    "maxWordLen": 100,
    "minDocFreq": 1,
    "minTermFreq": 1,
    "maxNumTokensParsed": 5000,
    "maxQueryTerms": 25,
    "boost": true,
    "stopWords": "English stop words",
    "returnedFields": [
       "url",
       "title"
    ],
    "filters": [
       {
         "type": "QueryFilter",
         "negative": false,
         "query": "lang:en"
       }
    ],
    "start": 0,
    "rows": 10
}

Success response

The search result has been returned.

HTTP code:
200

Content (application/json):

{
    "documents":[
       {
         "pos":0,
         "score":0.19919153,
         "collapseCount":0,
         "fields":[
          {
              "fieldName":"title",
              "values":[
                 "www.open-search-server.com - OpenSearchServer documentation",
                 "Checking the environment variables on Windows - OpenSearchServer documentation - OpenSearchServer documentation"
              ]
          },
          {
              "fieldName":"url",
              "values":[
                 "http://www.open-search-server.com/confluence/display/EN/Checking+the+environment+variables+on+Windows"
              ]
          }
         ]
       }
    ...
    ]
}

Error response

The search failed. The reason is provided in the content.

HTTP code:
500

Sample call

Using CURL:

curl -XPOST -H "Content-Type: application/json" \
    -d '...' \
    http://localhost:9090/services/rest/index/my_index/morelikethis

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