The vice president of claims at Insurance Company $($IC$)$ would like to use text mining to examine claim files in which a claim was determined to be fraudulent. An initial scan using "fraud" and "fraudulent claim" produced unsatisfactory results as claims where fraud was merely suspected were also flagged. She decided to conduct a second scan using "charges filed" as the keywords. The results were much better, as only those claims in which prosecutors charged someone with fraud were included in the results of the search. This measure of a word's rarity within the corpus of documents scanned is known as its

Available answer options

Select only one option

A

Stemming value.

B

Inverse document frequency.

C

Attribute.

D

Stopword.