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166
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
155
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
A database schema should be able to evolve to reflect changes to the universe it represents. In existing systems, user transactions get blocked during complex schema transformation...
203
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DCC
2007
IEEE
16 years 6 months ago
2007
IEEE
A general method for deriving an identity-based public key cryptosystem from a one-way function is described. We construct both ID-based signature schemes and ID-based encryption ...
147
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ICCAD
2002
IEEE
16 years 3 months ago
2002
IEEE
This paper presents a way of encoding some kinds of dynamic reconfiguration behaviour in the interface portion of circuit descriptions. This has many advantages. The user of a rec...
205
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SOSP
2005
ACM
16 years 3 months ago
2005
ACM
We propose a primitive, called Pioneer, as a first step towards verifiable code execution on untrusted legacy hosts. Pioneer does not require any hardware support such as secure...