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ICASSP
2011
IEEE
14 years 11 months ago
Comparison of several covariance matrix estimators for portfolio optimization
Modern portfolio theory dates back to a seminal 1952 paper by H. Markowitz and has been very influential both in academic finance and among practitioners in the financial indus...
Ka Ki Ng, Priyanka Agarwal, Nathan Mullen, Dzung D...
CDC
2010
IEEE
172views Control Systems» more  CDC 2010»
14 years 10 months ago
Electrical centrality measures for electric power grid vulnerability analysis
— This paper investigates measures of centrality that are applicable to power grids. Centrality measures are used in network science to rank the relative importance of nodes and ...
Zhifang Wang, Anna Scaglione, Robert J. Thomas
ESWA
2011
243views Database» more  ESWA 2011»
14 years 10 months ago
A novel case based reasoning approach to radiotherapy planning
Radiotherapy planning is a complex problem which requires both expertise and experience of an oncologist. A Case Based Reasoning (CBR) system is developed to generate dose plans f...
Sanja Petrovic, Nishikant Mishra, Santhanam Sundar
STACS
1998
Springer
15 years 11 months ago
Random Sparse Bit Strings at the Threshold of Adjacency
d Abstract appeared in STACS `98) Joel H. Spencer1 and Katherine St. John2 1 Courant Institute, New York University, New York, NY 10012 2 Department of Mathematics, Santa Clara Uni...
Joel Spencer, Katherine St. John
SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
15 years 11 months ago
Predicate Migration: Optimizing Queries with Expensive Predicates
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
Joseph M. Hellerstein, Michael Stonebraker