OpenSearch/rest-api-spec/api/mlt.json

{
  "mlt": {
    "documentation": "http://www.elastic.co/guide/en/elasticsearch/reference/master/search-more-like-this.html",
    "methods": ["GET", "POST"],
    "url": {
      "path": "/{index}/{type}/{id}/_mlt",
      "paths": ["/{index}/{type}/{id}/_mlt"],
      "parts": {
        "id": {
          "type" : "string",
          "required" : true,
          "description" : "The document ID"
        },
        "index": {
          "type" : "string",
          "required" : true,
          "description" : "The name of the index"
        },
        "type": {
          "type" : "string",
          "required" : true,
          "description" : "The type of the document (use `_all` to fetch the first document matching the ID across all types)"
        }
      },
      "params": {
        "source": {
          "type" : "string",
          "description" : "The URL-encoded request definition"
        },
        "boost_terms": {
          "type" : "number",
          "description" : "The boost factor"
        },
        "max_doc_freq": {
          "type" : "number",
          "description" : "The word occurrence frequency as count: words with higher occurrence in the corpus will be ignored"
        },
        "max_query_terms": {
          "type" : "number",
          "description" : "The maximum query terms to be included in the generated query"
        },
        "max_word_length": {
          "type" : "number",
          "description" : "The minimum length of the word: longer words will be ignored"
        },
        "min_doc_freq": {
          "type" : "number",
          "description" : "The word occurrence frequency as count: words with lower occurrence in the corpus will be ignored"
        },
        "min_term_freq": {
          "type" : "number",
          "description" : "The term frequency as percent: terms with lower occurrence in the source document will be ignored"
        },
        "min_word_length": {
          "type" : "number",
          "description" : "The minimum length of the word: shorter words will be ignored"
        },
        "mlt_fields": {
          "type" : "list",
          "description" : "Specific fields to perform the query against"
        },
        "percent_terms_to_match": {
          "type" : "number",
          "description" : "How many terms have to match in order to consider the document a match (default: 0.3)"
        },
        "routing": {
          "type" : "string",
          "description" : "Specific routing value"
        },
        "search_from": {
          "type" : "number",
          "description" : "The offset from which to return results"
        },
        "search_indices": {
          "type" : "list",
          "description" : "A comma-separated list of indices to perform the query against (default: the index containing the document)"
        },
        "search_scroll": {
          "type" : "string",
          "description" : "A scroll search request definition"
        },
        "search_size": {
          "type" : "number",
          "description" : "The number of documents to return (default: 10)"
        },
        "search_source": {
          "type" : "string",
          "description" : "A specific search request definition (instead of using the request body)"
        },
        "search_type": {
          "type" : "string",
          "description" : "Specific search type (eg. `dfs_then_fetch`, `scan`, etc)"
        },
        "search_types": {
          "type" : "list",
          "description" : "A comma-separated list of types to perform the query against (default: the same type as the document)"
        },
        "stop_words": {
          "type" : "list",
          "description" : "A list of stop words to be ignored"
        }
      }
    },
    "body": {
      "description" : "A specific search request definition"
    }
  }
}