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» On the Complexity of Exclusion Algorithms for Optimization
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EMNLP
2008
15 years 2 months ago
Complexity of Finding the BLEU-optimal Hypothesis in a Confusion Network
Confusion networks are a simple representation of multiple speech recognition or translation hypotheses in a machine translation system. A typical operation on a confusion network...
Gregor Leusch, Evgeny Matusov, Hermann Ney
PODS
2010
ACM
215views Database» more  PODS 2010»
15 years 6 months ago
An optimal algorithm for the distinct elements problem
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
Daniel M. Kane, Jelani Nelson, David P. Woodruff
SODA
2010
ACM
175views Algorithms» more  SODA 2010»
15 years 10 months ago
Optimally Reconstructing Weighted Graphs Using Queries
d Abstract) Hanna Mazzawi Technion - Israel Institute of Technology In this paper, we consider the problem of reconstructing a hidden graph with m edges using additive queries. Gi...
Hanna Mazzawi
DATE
2008
IEEE
131views Hardware» more  DATE 2008»
15 years 7 months ago
Optimal High-Resolution Spectral Analyzer
This paper presents a new application field for the Goertzel algorithm. The test of mixed-signal circuits involves the generation and analysis of signals. A standard method for th...
A. Tchegho, Heinz Mattes, Sebastian Sattler
ECAI
2010
Springer
15 years 1 months ago
Optimal Task Migration in Service-Oriented Systems: Algorithms and Mechanisms
In service-oriented systems, such as grids and clouds, users are able to outsource complex computational tasks by procuring resources on demand from remote service providers. As th...
Sebastian Stein, Enrico Gerding, Nicholas R. Jenni...