Concept drift and how to identify it

@article{Wang2011ConceptDA,
  title={Concept drift and how to identify it},
  author={Shenghui Wang and Stefan Schlobach and M. Klein},
  journal={J. Web Semant.},
  year={2011},
  volume={9},
  pages={247-265}
}
This paper studies concept drift over time. We first define the meaning of a concept in terms of intension, extension and label. Then we study concept drift over time using two theories: one based on concept identity and one based on concept morphing. A qualitative toolkit for analysing concept drift is proposed to detect concept shift and stability when concept identity is available, and concept split and strength of morphing chain if using the morphing theory. We apply our framework in four… Expand
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