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APAL
2005
88views more  APAL 2005»
14 years 11 months ago
Completing pseudojump operators
We investigate operators which take a set X to a set relatively computably enumerable in and above X by studying which such sets X can be so mapped into the Turing degree of K. We...
Richard Coles, Rodney G. Downey, Carl G. Jockusch ...
APAL
1998
121views more  APAL 1998»
14 years 11 months ago
Computably Enumerable Sets and Quasi-Reducibility
We consider the computably enumerable sets under the relation of Qreducibility. We first give several results comparing the upper semilattice of c.e. Q-degrees, RQ, ≤Q , under ...
Rodney G. Downey, Geoffrey LaForte, André N...
DGO
2004
77views Education» more  DGO 2004»
15 years 1 months ago
A Prototype System for Transnational Information Sharing and Process Coordination
S. Su, José A. B. Fortes, T. R. Kasad, M. P...
CORR
2007
Springer
102views Education» more  CORR 2007»
14 years 12 months ago
Time Series Forecasting: Obtaining Long Term Trends with Self-Organizing Maps
Kohonen self-organisation maps are a well know classification tool, commonly used in a wide variety of problems, but with limited applications in time series forecasting context....
Geoffroy Simon, Amaury Lendasse, Marie Cottrell, J...
ISSA
2008
15 years 1 months ago
Password Management: Empirical Results from a RSA and USA Study
"The state of information security as a whole is a disaster, a train wreck". This view is given by Forte and Power (2007) describing the state of information security to...
Hennie A. Kruger, Tjaart Steyn, Lynette Drevin, Da...