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MMS
2006
13 years 9 months ago
2006
: Due to technological advances, wireless personal digital assistants (PDAs) are becoming quite popular. However, it seems as if none of the existing applications fully exploits th...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
I report briefly on some of my own work in each of these areas and elucidate some of the questions that this research has raised. Then I propose as a research agenda the developme...
ECAI
2008
Springer
13 years 11 months ago
2008
Springer
Abstract. We study privacy guarantees for the owner of an information system who wants to share some of the information in the system with clients while keeping some other informat...
CONTEXT
2003
Springer
14 years 2 months ago
2003
Springer
In conventional security systems, protected resources such as documents, hardware devices and software applications follow an On/Off access policy. On, allows to grant access and ...