We explore an alternative approach to spam based on economic rather than technological or regulatory screening mechanisms. We employ a model of email value which supports two intu...
A crucial element in consumer electronic commerce is a catalog tool that not only finds the product for the user, but also convinces him that he has made the best choice. To do th...
The number of location-aware mobile devices has been rising for several years. As this trend continues, these devices may be able to use their location information to provide inte...
Auctions have become an integral part of electronic commerce and a promising field for applying multi-agent technologies. Correctly judging the quality of auctioned items is ofte...
We show how to combine trust management theories with nonce-based cryptographic protocols. The strand space framework for protocol analysis is extended by associating formulas from...
Joshua D. Guttman, F. Javier Thayer, Jay A. Carlso...