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AAAI
2010
14 years 9 months ago
A Lower Bound on the Size of Decomposable Negation Normal Form
We consider in this paper the size of a Decomposable Negation Normal Form (DNNF) that respects a given vtree (known as structured DNNF). This representation of propositional knowl...
Thammanit Pipatsrisawat, Adnan Darwiche
IWDW
2005
Springer
15 years 5 months ago
Performance Lower Bounds for Existing and New Uncoded Digital Watermarking Modulation Techniques
Abstract. Many coded digital watermarking systems development requires first the selection of a (uncoded) modulation technique to be part of a coded architecture. Therefore, perfo...
Marcos de Castro Pacitti, Weiler Alves Finamore
CORR
2008
Springer
65views Education» more  CORR 2008»
14 years 12 months ago
A Lower Bound on the Bayesian MSE Based on the Optimal Bias Function
A lower bound on the minimum mean-squared error (MSE) in a Bayesian estimation problem is proposed in this paper. This bound utilizes a well-known connection to the deterministic e...
Zvika Ben-Haim, Yonina C. Eldar
MOC
2000
69views more  MOC 2000»
14 years 11 months ago
Lower bounds for nonoverlapping domain decomposition preconditioners in two dimensions
Lower bounds for the condition numbers of the preconditioned systems are obtained for the Bramble-Pasciak-Schatz substructuring preconditioner and the Neumann-Neumann preconditione...
Susanne C. Brenner, Li-Yeng Sung
FOCS
2008
IEEE
15 years 6 months ago
A Geometric Approach to Lower Bounds for Approximate Near-Neighbor Search and Partial Match
This work investigates a geometric approach to proving cell probe lower bounds for data structure problems. We consider the approximate nearest neighbor search problem on the Bool...
Rina Panigrahy, Kunal Talwar, Udi Wieder