Sentence:  The use of algorithms in policing is one example of their increasing influence on our lives....who, if anyone, is policing their use[?] Such concerns were sharpened further by the continuing revelations about how the US National Security Agency (NSA) has been using algorithms to help it <WSD>interpret</WSD> the colossal amounts of data it has collected from its covert dragnet of international telecommunications. 
Meaning of the word marked with <WSD> tags:  To explain or tell the meaning of; to translate orally into intelligible or familiar language or terms. applied especially to language, but also to dreams, signs, conduct, mysteries, etc.