Towards a new approach for mining frequent itemsets on data stream

  • Authors:
  • Chedy Raïssi;Pascal Poncelet;Maguelonne Teisseire

  • Affiliations:
  • EMA/LGI2P, Parc Scientifique Georges Besse, Nîmes Cedex, France 30035;EMA/LGI2P, Parc Scientifique Georges Besse, Nîmes Cedex, France 30035;LIRMM UMR CNRS 5506, Montpellier Cedex 5, France 34392

  • Venue:
  • Journal of Intelligent Information Systems
  • Year:
  • 2007

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Abstract

Mining frequent patterns on streaming data is a new challenging problem for the data mining community since data arrives sequentially in the form of continuous rapid streams. In this paper we propose a new approach for mining itemsets. Our approach has the following advantages: an efficient representation of items and a novel data structure to maintain frequent patterns coupled with a fast pruning strategy. At any time, users can issue requests for frequent itemsets over an arbitrary time interval. Furthermore our approach produces an approximate answer with an assurance that it will not bypass user-defined frequency and temporal thresholds. Finally the proposed method is analyzed by a series of experiments on different datasets.