In-close2, a high performance formal concept miner

  • Authors:
  • Simon Andrews

  • Affiliations:
  • Communication and Computing Research Centre, Faculty of Arts, Computing, Engineering and Sciences, Sheffield Hallam University, Sheffield, UK

  • Venue:
  • ICCS'11 Proceedings of the 19th international conference on Conceptual structures for discovering knowledge
  • Year:
  • 2011

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Abstract

This paper presents a program, called In-Close2, that is a high performance realisation of the Close-by-One (CbO) algorithm. The design of In-Close2 is discussed and some new optimisation and data preprocessing techniques are presented. The performance of In-Close2 is favourably compared with another contemporary CbO variant called FCbO. An application of In-Close2 is given, using minimum support to reduce the size and complexity of a large formal context. Based on this application, an analysis of gene expression data is presented. In-Close2 can be downloaded from Sourceforge.