Search results for: damages

• Empirical analysis of tree-based classification models for customer churn prediction

  Publication

  • F. E. Usman-Hamza
  • A. O. Balogun
  • S. K. Nasiru
  • L. F. Capretz
  • H. A. Mojeed
  • S. A. Salihu
  • A. G. Akintola
  • M. A. Mabayoje
  • J. B. Awotunde

  - Scientific African - Year 2023

  Customer churn is a vital and reoccurring problem facing most business industries, particularly the telecommunications industry. Considering the fierce competition among telecommunications firms and the high expenses of attracting and gaining new subscribers, keeping existing loyal subscribers becomes crucial. Early prediction of disgruntled subscribers can assist telecommunications firms in identifying the reasons for churn and...

  Full text available to download

• Study on deformed steel columns subjected to impact load due to soft-storey failure in buildings during earthquakes

  Publication

  • W. Migda

  - Year 2013

  The so called soft-storey failure is one of the most typical types of damage induced in buildings as the result of earthquake excitation. It has been observed during ground motions that the failure of an upper soft storey of a structure results in large vertical impact load acting on the lower floors. If the resistance of the structural members of the lower storeys is not sufficient it may further lead to progressive collapse of...

• Multidimensional Monitoring System of State Machines

  Publication

  • B. Żółtowski
  • L. F. Castaneda
  • M. Żółtowski
  • K. Napieraj
  • R. Bielski
  • J. Wachowicz

  - Year 2017

  Technical systems are more complex every day as their electronics and mechanics. Technical advances tend to be autonomous in its performance and perform an auto-diagnosis that allows determining an abnormality existence in a component or subsystem and deciding if the system has to be stopped or not.