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TIT
1998
102views more  TIT 1998»
13 years 7 months ago
On Characterization of Entropy Function via Information Inequalities
—Given n discrete random variables = fX1;111; Xng, associated with any subset of f1; 2; 111; ng, there is a joint entropy H(X ) where X = fXi:i 2 g. This can be viewed as a f...
Zhen Zhang, Raymond W. Yeung
SPAA
2009
ACM
14 years 8 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
PODS
2009
ACM
119views Database» more  PODS 2009»
14 years 8 months ago
Dynamic indexability and lower bounds for dynamic one-dimensional range query indexes
The B-tree is a fundamental external index structure that is widely used for answering one-dimensional range reporting queries. Given a set of N keys, a range query can be answere...
Ke Yi
EUROSYS
2006
ACM
14 years 4 months ago
Experiences in building and operating ePOST, a reliable peer-to-peer application
Peer-to-peer (p2p) technology can potentially be used to build highly reliable applications without a single point of failure. However, most of the existing applications, such as ...
Alan Mislove, Ansley Post, Andreas Haeberlen, Pete...
IANDC
2008
141views more  IANDC 2008»
13 years 7 months ago
Graph connectivity, partial words, and a theorem of Fine and Wilf
The problem of computing periods in words, or finite sequences of symbols from a finite alphabet, has important applications in several areas including data compression, string se...
Francine Blanchet-Sadri, Deepak Bal, Gautam Sisodi...