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AMC
2010
114views more  AMC 2010»
13 years 5 months ago
Witness sets of projections
Elimination is a basic algebraic operation which geometrically corresponds to projections. This article describes using the numerical algebraic geometric concept of witness sets t...
Jonathan D. Hauenstein, Andrew J. Sommese
PKC
2009
Springer
129views Cryptology» more  PKC 2009»
13 years 9 months ago
Zero-Knowledge Proofs with Witness Elimination
Abstract. Zero-knowledge proofs with witness elimination are protocols that enable a prover to demonstrate knowledge of a witness to the verifier that accepts the interaction prov...
Aggelos Kiayias, Hong-Sheng Zhou
SDM
2010
SIAM
181views Data Mining» more  SDM 2010»
13 years 2 months ago
Efficient Nonnegative Matrix Factorization with Random Projections
The recent years have witnessed a surge of interests in Nonnegative Matrix Factorization (NMF) in data mining and machine learning fields. Despite its elegant theory and empirical...
Fei Wang, Ping Li
EUROMED
2010
13 years 3 months ago
E.Stone, an Archive for the Sardinia Monumental Witnesses
Abstract. The “E.Stone” project is based on the survey, documentation investigation and physical, geochemical and petrographic characterisation of the great zoomorphic and phyt...
Giorgio Verdiani, Stefano Columbu
SOFSEM
2000
Springer
13 years 8 months ago
Simplified Witness Tree Arguments
Abstract. In this paper we survey some results concerning balls-intobins-games and the power of two choices. We present a unified and rather elementary analysis for models in the p...
Thomas Schickinger, Angelika Steger