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SPAA
2009
ACM
14 years 10 months ago
Dynamic external hashing: the limit of buffering
Hash tables are one of the most fundamental data structures in computer science, in both theory and practice. They are especially useful in external memory, where their query perf...
Zhewei Wei, Ke Yi, Qin Zhang
PODC
2004
ACM
14 years 3 months ago
Analyzing Kleinberg's (and other) small-world Models
We analyze the properties of Small-World networks, where links are much more likely to connect “neighbor nodes” than distant nodes. In particular, our analysis provides new re...
Charles U. Martel, Van Nguyen
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
14 years 10 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
SC
2005
ACM
14 years 3 months ago
Leading Computational Methods on Scalar and Vector HEC Platforms
The last decade has witnessed a rapid proliferation of superscalar cache-based microprocessors to build high-end computing (HEC) platforms, primarily because of their generality, ...
Leonid Oliker, Jonathan Carter, Michael F. Wehner,...
ASAP
2003
IEEE
124views Hardware» more  ASAP 2003»
14 years 3 months ago
Arbitrary Bit Permutations in One or Two Cycles
Symmetric-key block ciphers encrypt data, providing data confidentiality over the public Internet. For inter-operability reasons, it is desirable to support a variety of symmetric...
Zhijie Shi, Xiao Yang, Ruby B. Lee