Salience-Based prototype selection for k-nearest neighbor classification in multiple-instance learning

  • Authors:
  • Liming Yuan;Qingcheng Huang;Jiafeng Liu;Xianglong Tang

  • Affiliations:
  • School of Computer Science and Technology, Harbin Institute of Technology, Harbin, China;School of Computer Science and Technology, Harbin Institute of Technology, Harbin, China;School of Computer Science and Technology, Harbin Institute of Technology, Harbin, China;School of Computer Science and Technology, Harbin Institute of Technology, Harbin, China

  • Venue:
  • IScIDE'12 Proceedings of the third Sino-foreign-interchange conference on Intelligent Science and Intelligent Data Engineering
  • Year:
  • 2012

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Abstract

The k-nearest neighbor algorithm (kNN) is one of the most well-known techniques in standard supervised learning. It could be adapted to the setting of multiple-instance learning (MIL) by using set-based distance metrics, such as Citation-kNN and Bayesian-kNN. However, kNN suffers from several drawbacks, including high storage requirements, low efficiency in classification response and low noise tolerance. These drawbacks would become particularly significant in MIL since every example here is a set of instances. One of the most promising solutions is dependent on prototype selection, and many prototype selection methods have been proposed in standard supervised learning. In this paper, we propose an efficient Salience-based Prototype Selection (MISPS) method to tackle the above problems in MIL. Then we present two variants of Citation-kNN and Bayesian-kNN based on MISPS, called MISPS-CkNN and MISPS-BkNN. Experimental results on five benchmark data-sets show that MISPS is effective and our MISPS-based algorithms are competitive to the state-of-the-art.