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88
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ISAAC
2009
Springer
147views Algorithms» more  ISAAC 2009»
15 years 4 months ago
Computing a Smallest Multi-labeled Phylogenetic Tree from Rooted Triplets
Abstract. We investigate the computational complexity of a new combinatorial problem of inferring a smallest possible multi-labeled phylogenetic tree (MUL tree) which is consistent...
Sylvain Guillemot, Jesper Jansson, Wing-Kin Sung
74
Voted
COLT
2004
Springer
15 years 3 months ago
Concentration Bounds for Unigrams Language Model
Abstract. We show several PAC-style concentration bounds for learning unigrams language model. One interesting quantity is the probability of all words appearing exactly k times in...
Evgeny Drukh, Yishay Mansour
80
Voted
FOCS
2000
IEEE
15 years 2 months ago
Fast parallel circuits for the quantum Fourier transform
We give new bounds on the circuit complexity of the quantum Fourier transform (QFT). We give an upper bound of Ç´ÐÓ Ò · ÐÓ ÐÓ ´½ µµ on the circuit depth for computin...
Richard Cleve, John Watrous
102
Voted
ICALP
2010
Springer
15 years 6 days ago
Example-Guided Abstraction Simplification
Guided Abstraction Simplification Roberto Giacobazzi1 and Francesco Ranzato2 1 University of Verona, Italy 2 University of Padova, Italy Abstract. In static analysis, approximation...
Roberto Giacobazzi, Francesco Ranzato
DATESO
2007
157views Database» more  DATESO 2007»
14 years 11 months ago
Index-Based Approach to Similarity Search in Protein and Nucleotide Databases
When searching databases of nucleotide or protein sequences, finding a local alignment of two sequences is one of the main tasks. Since the sizes of available databases grow const...
David Hoksza, Tomás Skopal