Crowdsourcing for click fraud detection

EURASIP Journal on Information Security

Table 2 CPA literature vs our work

Ref.	Present CPA overview (no security)	Present CPA overview (security)	Present solution controlled by advertiser	Present solution controlled by party trusted by advertiser and publisher
[25]	Yes	No	No	No
[23, 24]	Yes	Yes	Yes	No
[30]	No	Yes	No	No
[21, 22]	No	Yes	Yes	No
CFC	Yes	No	No	Yes