18. The system of claim 17 , where when generating the proxy pad score, the at least one processor is to: aggregate information regarding the one or more identified documents of the first type as aggregated first information, aggregate information regarding the one or more identified documents of the second type as aggregated second information, and compute the proxy pad score based on the aggregated first information and the aggregated second information.
18. The system of claim 17 , where when generating the proxy pad score, the at least one processor is to: aggregate information regarding the one or more identified documents of the first type as aggregated first information, aggregate information regarding the one or more identified documents of the second type as aggregated second information, and compute the proxy pad score based on the aggregated first information and the aggregated second information. 19. The system of claim 18 , where the at least one processor is further to: determine a number of the plurality of the identified clusters in which the quality score of the one of the first documents is lower than the quality score of at least one of the one or more second documents, generate a spam score based on the determined number, and increase the aggregated second information based on the spam score.