A note on optimal metering schemes
Information Processing Letters
Intellectual Property Metering
IHW '01 Proceedings of the 4th International Workshop on Information Hiding
An Auditable Metering Scheme for Web Advertisement Applications
ISC '01 Proceedings of the 4th International Conference on Information Security
A Linear Algebraic Approach to Metering Schemes
Designs, Codes and Cryptography
A General Approach to Robust Web Metering
Designs, Codes and Cryptography
Obfuscated databases and group privacy
Proceedings of the 12th ACM conference on Computer and communications security
Using client puzzles to protect TLS
SSYM'01 Proceedings of the 10th conference on USENIX Security Symposium - Volume 10
Using client puzzles to protect TLS
SSYM'01 Proceedings of the 10th conference on USENIX Security Symposium - Volume 10
International Journal of Information and Computer Security
A hybrid method to detect deflation fraud in cost-per-action online advertising
ACNS'10 Proceedings of the 8th international conference on Applied cryptography and network security
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In this work we suggest a new mechanism for metering thepopularity of Web sites: the compact metering scheme. Our approachdoes not rely on client authentication or on a third party.Instead, we suggest the notion of a timing function, a computationthat can be performed incrementally, whose output is compact, andwhose result can be used to efficiently verify the effort spentwith high degree of confidence. We use the difficulty of computinga timing function to leverage the security of a metering method byinvolving each client in computing the timing function (for somegiven input) upon visiting a Web site, and recording the result ofthe computation along with the record of the visit. Thus, to forgeclient visits requires a known investment of computationalresources, which grows proportionally to the amount of fraud, andis infeasible for visit counts commonly found in the World Wide Web(WWW). The incremental nature of the timing function is used tocreate a new measure of client accesses, namely their duration.This paper describes the foundations of the timing scheme and itsdeployment in the WWW.