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ACRI
2004
Springer
13 years 12 months ago
Learning What to Eat: Studying Inter-relations Between Learning, Grouping, and Environmental Conditions in an Artificial World
Abstract. In this paper we develop an artificial world model to investigate how environmental conditions affect opportunities for learning. We model grouping entities that learn wh...
Daniel J. van der Post, Paulien Hogeweg
APPROX
2006
Springer
179views Algorithms» more  APPROX 2006»
13 years 12 months ago
Adaptive Sampling and Fast Low-Rank Matrix Approximation
We prove that any real matrix A contains a subset of at most 4k/ + 2k log(k + 1) rows whose span "contains" a matrix of rank at most k with error only (1 + ) times the er...
Amit Deshpande, Santosh Vempala
CGO
2004
IEEE
13 years 12 months ago
Compiler Optimization of Memory-Resident Value Communication Between Speculative Threads
Efficient inter-thread value communication is essential for improving performance in Thread-Level Speculation (TLS). Although several mechanisms for improving value communication ...
Antonia Zhai, Christopher B. Colohan, J. Gregory S...
ASIACRYPT
2006
Springer
13 years 12 months ago
Simulation-Sound NIZK Proofs for a Practical Language and Constant Size Group Signatures
Non-interactive zero-knowledge proofs play an essential role in many cryptographic protocols. We suggest several NIZK proof systems based on prime order groups with a bilinear map...
Jens Groth
DATE
2004
IEEE
135views Hardware» more  DATE 2004»
13 years 12 months ago
Quasi-Static Scheduling for Real-Time Systems with Hard and Soft Tasks
This report addresses the problem of scheduling for real-time systems that include both hard and soft tasks. In order to capture the relative importance of soft tasks and how the ...
Luis Alejandro Cortés, Petru Eles, Zebo Pen...