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- research-articleFebruary 2024
A novel multivariate time-lag discrete grey model based on action time and intensities for predicting the productions in food industry
Expert Systems with Applications: An International Journal (EXWA), Volume 238, Issue PAMar 2024https://doi.org/10.1016/j.eswa.2023.121627AbstractThe food industry is a pillar industry and plays an important role in the development of China's national economy. In view of the complex environments and the characteristics of fluctuating development in which the Chinese food industry are ...
- research-articleFebruary 2024
Robust and sparse canonical correlation analysis for fault detection and diagnosis using training data with outliers
Expert Systems with Applications: An International Journal (EXWA), Volume 236, Issue CFeb 2024https://doi.org/10.1016/j.eswa.2023.121434AbstractA well-known shortcoming of the traditional canonical correlation analysis (CCA) is the lack of robustness against outliers. This shortcoming hinders the application of CCA in the case where the training data contain outliers. To overcome this ...
- research-articleDecember 2021
Dependence modeling of multivariate longitudinal hybrid insurance data with dropout
Expert Systems with Applications: An International Journal (EXWA), Volume 185, Issue CDec 2021https://doi.org/10.1016/j.eswa.2021.115552AbstractFinancial services industries, such as insurance, increasingly use data from their broad cross-section of customers and follow these customers over time. In other areas such as medicine, engineering, and communication systems, it is ...
Highlights- The cause–effect pattern in customer lapses and prices is usually bidirectional.
- articleApril 2009
Fault detection using robust multivariate control chart
Expert Systems with Applications: An International Journal (EXWA), Volume 36, Issue 3April, 2009, Pages 5888–5894https://doi.org/10.1016/j.eswa.2008.07.028We introduce a new multivariate statistical process control chart for fault detection using robust statistics and principal component analysis. The proposed approach consists of two main steps. In the first step, a robust covariance matrix is determined ...
- articleApril 2009
Automated visual inspection expert system for multivariate statistical process control chart
Expert Systems with Applications: An International Journal (EXWA), Volume 36, Issue 3April, 2009, Pages 5113–5118https://doi.org/10.1016/j.eswa.2008.06.047Automated manufacturing is increasingly common; however, automating inspection as a part of quality management processes is problematic, creating producer and consumer risk. Manufacturing plants can suffer several defect types. These defects result from ...
- articleMarch 2009
Predicting bank financial failures using neural networks, support vector machines and multivariate statistical methods: A comparative analysis in the sample of savings deposit insurance fund (SDIF) transferred banks in Turkey
Expert Systems with Applications: An International Journal (EXWA), Volume 36, Issue 2March, 2009, Pages 3355–3366https://doi.org/10.1016/j.eswa.2008.01.003Bank failures threaten the economic system as a whole. Therefore, predicting bank financial failures is crucial to prevent and/or lessen the incoming negative effects on the economic system. This is originally a classification problem to categorize ...
- articleMarch 2009
Analysis and modeling of multivariate chaotic time series based on neural network
Expert Systems with Applications: An International Journal (EXWA), Volume 36, Issue 2March, 2009, Pages 1280–1290https://doi.org/10.1016/j.eswa.2007.11.057A new nonlinear multivariate technique is proposed for modeling and predicting chaotic time series with a view to improve estimates and predictions. With analysis of the relations among different state spaces by the proposed method, which introduces the ...
- articleMarch 2009
Forecasting integrated circuit output using multivariate grey model and grey relational analysis
Expert Systems with Applications: An International Journal (EXWA), Volume 36, Issue 2March, 2009, Pages 1403–1409https://doi.org/10.1016/j.eswa.2007.11.015Integrated circuit outputs forecasts are of great economic value for both public and the private sectors in the world economy. In order to adjust policies and correct the invest portfolios; information relating to the development of the integrated ...
- articleOctober 2008
Multivariate stochastic fuzzy forecasting models
Expert Systems with Applications: An International Journal (EXWA), Volume 35, Issue 3October, 2008, Pages 691–700https://doi.org/10.1016/j.eswa.2007.07.014In this paper, we have presented two new multivariate fuzzy time series forecasting methods. These methods assume m-factors with one main factor of interest. Stochastic fuzzy dependence of order k is assumed to define general methods of multivariate ...
- articleJuly 2008
Image recognition via Bayesian likelihood analysis of wavelet coefficients
Expert Systems with Applications: An International Journal (EXWA), Volume 35, Issue 1-2July, 2008, Pages 556–560https://doi.org/10.1016/j.eswa.2007.07.005This study experiments with a Bayesian approach in recognition of images utilizing a joint-form likelihood of wavelet coefficients built from decomposition. Images of handwritten numerals are attacked via the Mallet decomposition algorithm with ...
- articleJuly 2008
Determination of influential factors and diagnostics using multivariate statistical relationships between variables and faults
Expert Systems with Applications: An International Journal (EXWA), Volume 35, Issue 1-2July, 2008, Pages 30–40https://doi.org/10.1016/j.eswa.2007.06.020This paper proposes a variable influence (VI) index-based on-line method for diagnosing discontinuous processes. The VI index is developed using the concept of contribution plots, and can be used to explain the influence of a process variable on a ...
- articleJuly 2008
Identifying the source of variance shifts in the multivariate process using neural networks and support vector machines
Expert Systems with Applications: An International Journal (EXWA), Volume 35, Issue 1-2July, 2008, Pages 198–206https://doi.org/10.1016/j.eswa.2007.06.002Process control charts are important tools for monitoring process variation in manufacturing industries. There are many situations in which the simultaneous monitoring or control of two or more related quality characteristics is necessary. Out-of-...
- articleMay 2008
A decision support system for supplier selection based on a strategy-aligned fuzzy SMART approach
Expert Systems with Applications: An International Journal (EXWA), Volume 34, Issue 4May, 2008, Pages 2241–2253https://doi.org/10.1016/j.eswa.2007.03.001This study presents a strategy-aligned fuzzy simple multiattribute rating technique (SMART) approach for solving the supplier/vendor selection problem from the perspective of strategic management of the supply chain (SC). The majority of supplier rating ...