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One of the most traditional methods for information security can be as easy as sequence matching, such as the signature‐based methods for virus detection. However, it is now well accepted that the signature‐based methods are no longer satisfactory solutions for many security problems. The...
Many service industries require high level of system availability to be competitive. An appropriate system unavailability metric is important for business decisions and to minimize the operation risks. In practice, a system can be unavailable for service because of multiple types of events, and...
The variable annuity product has many desirable features for retirement saving purposes, such as stock‐linked growth potential, protection against losses in the investment, and guarantees of minimum payout amount at annuitization. Therefore, it is of great interest to study this product for...
Autoregressive conditional heteroscedastic type and stochastic volatility (SV) models are designed to analyze and model the conditional variance (volatility), but in some contexts the specification of the conditional mean is also important. In this paper we consider a combination model in which...
The quality of a process or product can be characterized by a functional relationship between a response variable and one or more explanatory variables. In this work, we develop a novel hybrid nonparametric–parametric procedure for the monitoring of nonlinear profiles, that is, realizations of a...
For estimation and predictions of random fields, it is increasingly acknowledged that the kriging variance may be a poor representative of true uncertainty. Experimental designs based on more elaborate criteria that are appropriate for empirical kriging (EK) are then often non‐space‐filling and...
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