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» Multiplicative Background Risk
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VLDB
2007
ACM
155views Database» more  VLDB 2007»
16 years 4 months ago
Answering Aggregation Queries in a Secure System Model
As more sensitive data is captured in electronic form, security becomes more and more important. Data encryption is the main technique for achieving security. While in the past en...
Tingjian Ge, Stanley B. Zdonik
SIGMOD
2005
ACM
127views Database» more  SIGMOD 2005»
16 years 4 months ago
Fossilized Index: The Linchpin of Trustworthy Non-Alterable Electronic Records
As critical records are increasingly stored in electronic form, which tends to make for easy destruction and clandestine modification, it is imperative that they be properly manag...
Qingbo Zhu, Windsor W. Hsu
EDBT
2006
ACM
127views Database» more  EDBT 2006»
16 years 4 months ago
Progressive Query Optimization for Federated Queries
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
Stephan Ewen, Holger Kache, Volker Markl, Vijaysha...
EUROSYS
2007
ACM
16 years 1 months ago
Competitive prefetching for concurrent sequential I/O
During concurrent I/O workloads, sequential access to one I/O stream can be interrupted by accesses to other streams in the system. Frequent switching between multiple sequential ...
Chuanpeng Li, Kai Shen, Athanasios E. Papathanasio...
SOSP
2003
ACM
16 years 1 months ago
Xen and the art of virtualization
Numerous systems have been designed which use virtualization to subdivide the ample resources of a modern computer. Some require specialized hardware, or cannot support commodity ...
Paul Barham, Boris Dragovic, Keir Fraser, Steven H...