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TIT
2008
86views more  TIT 2008»
15 years 6 months ago
Optimal Prefix Codes for Infinite Alphabets With Nonlinear Costs
Let P = {p(i)} be a measure of strictly positive probabilities on the set of nonnegative integers. Although the countable number of inputs prevents usage of the Huffman algorithm, ...
Michael B. Baer
TWC
2008
124views more  TWC 2008»
15 years 6 months ago
On the Performance of Distributed Polling Service-based Medium Access Control
It has been shown in the literature that many MAC protocols for wireless networks have a considerable control overhead, which limits their achievable throughput and delay performan...
Yihan Li, Shiwen Mao, Shivendra S. Panwar, Scott F...
MP
1998
108views more  MP 1998»
15 years 6 months ago
Base polytopes of series-parallel posets: Linear description and optimization
We define the base polytope B(P, g) of a partially ordered set P and a supermodular function g on the ideals ofP as the convex hull of the incidence vectors of all linear extensio...
Rainer Schrader, Andreas S. Schulz, Georg Wambach
SIGMOD
2008
ACM
90views Database» more  SIGMOD 2008»
16 years 7 months ago
Toward best-effort information extraction
Current approaches to develop information extraction (IE) programs have largely focused on producing precise IE results. As such, they suffer from three major limitations. First, ...
Warren Shen, Pedro DeRose, Robert McCann, AnHai Do...
BIBE
2007
IEEE
162views Bioinformatics» more  BIBE 2007»
16 years 1 months ago
An Investigation into the Feasibility of Detecting Microscopic Disease Using Machine Learning
— The prognosis for many cancers could be improved dramatically if they could be detected while still at the microscopic disease stage. We are investigating the possibility of de...
Mary Qu Yang, Jack Y. Yang