International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2570

Full Length Research Paper

Mining utility-oriented association rules: An efficient approach based on profit and quantity

Parvinder S. Sandhu1*, Dalvinder S. Dhaliwal2 and S. N. Panda3
1Department of Computer Science and Engineering, Rayat and Bahra Institute of Engineering and Bio-Technology, Sahauran, Distt. Mohali (Punjab)-140104 India. 2 Department of Computer Science and Engineering, RIMIT Institute of Engineering and Technology, Mandi Gobindgarh (Punjab)- India. 3Regional Institute of Management and Technology, Mandi Gobindgarh (Punjab)- India.
Email: [email protected]

  •  Accepted: 20 December 2010
  •  Published: 18 January 2011

Abstract

Association rule mining has been an area of active research in the field of knowledge discovery and numerous algorithms have been developed to this end. Of late, data mining researchers have improved upon the quality of association rule mining for business development by incorporating the influential factors like value (utility), quantity of items sold (weight) and more, for the mining of association patterns. In this paper, we propose an efficient approach based on weight factor and utility for effectual mining of significant association rules. Initially, the proposed approach makes use of the traditional Apriorialgorithm to generate a set of association rules from a database. The proposed approach exploits the anti-monotone property of the Apriori algorithm, which states that for a k-itemset to be frequent all (k-1) subsets of this itemset also have to be frequent. Subsequently, the set of association rules mined are subjected to weightage (W-gain) and utility (U-gain) constraints, and for every association rule mined, a combined utility weighted score (UW-Score) is computed. Ultimately, we determine a subset of valuable association rules based on the UW-Score computed. The experimental results demonstrate the effectiveness of the proposed approach in generating high utility association rules that can be lucratively applied for business development.  

 

Key words: Association rule mining (ARM), frequent itemset, utility, weightage, apriori, utility gain (U-gain), weighted gain (W-gain), utility factor (U-factor), utility weighted score (UW-score).