COMPARISON OF NUMERIC PROPERTIES OF OBJECTS OF DIFFERENT DATA DOMAINS IN RELATIONAL DATABASES

Authors

  • M. G. Glava Odessa National Polytechnic University
  • E. V. Malakhov Odessa I. I. Mechnikov National University

DOI:

https://doi.org/10.18372/1990-5548.56.12943

Keywords:

Database, subject domain, model of subject domain, information system, entity instance, numeric type properties, сlustering, k-means, method of histograms.

Abstract

The problem of association of models of data domains is considered. It is offered to compare objects of data domains on the basis of values of properties of copies of those objects. Methods of benchmarking properties differ depending on type of scales in which their values are measured. It is offered to compare properties of numerical data type by k-means methods, histograms, and also to check coincidence of the distribution law of values of properties. In conjunction of signs to make the decision on similarity of the compared properties.

Author Biographies

M. G. Glava, Odessa National Polytechnic University

Department of Information systemsAssistant Professor

E. V. Malakhov, Odessa I. I. Mechnikov National University

Department of Mathematical Support of Computer Systems

Doctor of Engineering Science. Professor

References

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Issue

Vol. 2 No. 56 (2018)

Section

MATHEMATICAL MODELING OF PROCESSES AND SYSTEMS

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