Machine Learning
Nonlinear component analysis as a kernel eigenvalue problem
Neural Computation
Dynamic Weighted Majority: A New Ensemble Method for Tracking Concept Drift
ICDM '03 Proceedings of the Third IEEE International Conference on Data Mining
Mining concept-drifting data streams using ensemble classifiers
Proceedings of the ninth ACM SIGKDD international conference on Knowledge discovery and data mining
In Defense of One-Vs-All Classification
The Journal of Machine Learning Research
Using additive expert ensembles to cope with concept drift
ICML '05 Proceedings of the 22nd international conference on Machine learning
The Forgetron: A Kernel-Based Perceptron on a Budget
SIAM Journal on Computing
Dynamic Weighted Majority: An Ensemble Method for Drifting Concepts
The Journal of Machine Learning Research
LIBSVM: A library for support vector machines
ACM Transactions on Intelligent Systems and Technology (TIST)
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Sensor drift remains to be one of the challenging problems in chemical sensing. To address this problem we collected an extensive data set for six different volatile organic compounds over a period of three years under tightly-controlled operating conditions using an array of 16 metal-oxide sensors. We then adopted a machine learning approach namely an ensemble of classifiers to cope with sensor drift. For this particular application we chose support vector machine as our base classifier in the ensemble but, in principle, any other classifier can be used. Experiments clearly indicate the presence of drift in the sensors during the period of three years and that it degrades the performance of classifiers. However, the ensemble method that uses a weighted combination of classifiers trained at different points of time is able to cope well with sensor drift.