If you're asking:
It looks like you're referring to in the context of feature selection or evaluation — possibly in data mining, predictive modeling, or anomaly detection.
Only words with 2 or more characters are accepted
Max 200 chars total
Space is used to split words, "" can be used to search for a whole string (not indexed search then)
AND, OR and NOT are prefix words, overruling the default operator
+/|/- equals AND, OR and NOT as operators.
All search words are converted to lowercase.
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