I want to access frequency of a phraze combined from multiple words e.g.
"green energy"
I can access tf of "green" and "energy", example:
"function_score":
{
"filter" : {
"terms" : { "content" : ["energy","green"]}
},
"script_score": {
"script": "_index['content']['energy'].tf() +
_index['content']['green'].tf()",
"lang":"groovy"
}
}
This works fine. However, how can I find the frequency of a term "green
energy" as
_index['content']['green energy'].tf() does not work
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