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CEAS
2005
Springer
13 years 7 months ago
2005
Springer
Human interaction proofs (HIPs) have become commonplace on the internet for protecting free online services from abuse by automated scripts/bots. They are challenges designed to b...
CEAS
2005
Springer
13 years 10 months ago
2005
Springer
Unsolicited Commercial Communication also known as spam - has traditionally been the most visible e-mail threat and has reached a point where it creates a major problem for the de...