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CRYPTO
2004
Springer
14 years 29 days ago
2004
Springer
A timestamping scheme is non-interactive if a stamper can stamp a document without communicating with any other player. The only communication done is at validation time. Non-Inte...
ESORICS
2004
Springer
14 years 29 days ago
2004
Springer
d Abstract) James Aspnes , Joan Feigenbaum , Aleksandr Yampolskiy † , and Sheng Zhong ‡ Department of Computer Science, Yale University, New Haven CT 06520-8285, USA Abstract. ...
SDMW
2004
Springer
14 years 27 days ago
2004
Springer
In a database system, authorization-based access-control is generally the first line of defense, preventing unauthorized accesses to secret or sensitive data. However, this mechan...
AGENTS
1998
Springer
13 years 11 months ago
1998
Springer
The World-Wide Web is developing very fast. Currently, nding useful information on the Web is a time consuming process. In this paper, we present WebMate, an agent that helps user...
AGENTS
1997
Springer
13 years 11 months ago
1997
Springer
An adaptive recommendation service seeks to adapt to its users, providing increasingly personalized recommendations over time. In this paper we introduce the \Fab" adaptive W...