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SIAMJO
2008
93views more  SIAMJO 2008»
15 years 5 months ago
Multivariable Utility Functions
Abstract. Utility functions of several variables are ubiquitous in economics. Their maximization requires inversion of the gradient map. Using convex analysis tools, we provide a r...
Maria B. Chiarolla, Ulrich G. Haussmann
AUTOMATICA
1999
84views more  AUTOMATICA 1999»
15 years 5 months ago
Optimizing the receiver maneuvers for bearings-only tracking
This paper deals with the optimization of the observer trajectory for target motion analysis. The observations are made of estimated bearings. The problem consists in determining ...
Jean-Pierre Le Cadre, S. Laurent-Michel
IWC
2008
84views more  IWC 2008»
15 years 3 months ago
I hate you! Disinhibition with virtual partners
This paper presents a descriptive lexical analysis of spontaneous conversations between users and the 2005 Loebner prize winning chatterbot, Jabberwacky. The study was motivated i...
Antonella De Angeli, Sheryl Brahnam
MMM
2011
Springer
368views Multimedia» more  MMM 2011»
14 years 9 months ago
Correlated PLSA for Image Clustering
Probabilistic Latent Semantic Analysis (PLSA) has become a popular topic model for image clustering. However, the traditional PLSA method considers each image (document) independen...
Peng Li, Jian Cheng, Zechao Li, Hanqing Lu
SDM
2011
SIAM
241views Data Mining» more  SDM 2011»
14 years 8 months ago
A Fast Algorithm for Sparse PCA and a New Sparsity Control Criteria
Sparse principal component analysis (PCA) imposes extra constraints or penalty terms to the standard PCA to achieve sparsity. In this paper, we first introduce an efficient algor...
Yunlong He, Renato Monteiro, Haesun Park