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  • [外文会议] Fan Min William Zhu 2013
    Recommender systems are important for e-commerce companies as well as researchers. Recently, granular association rules have been proposed for cold-start recommendation. However, existing approaches re...
    Granular computingrecommender systemgranule association rulecoverageconfidence
  • [外文会议] Xu He Fan Min William Zhu 2013
    Granular association rule mining is a new relational data mining approach to reveal patterns hidden in multiple tables. The current research of granular association rule mining considers only nominal d...
    Granular association rule miningDiscretizationEqual WidthEqual FrequencyRelational data mining
  • [外文会议] Fan Min William Zhu 2013
    Granular association rule is a new approach to reveal patterns hide in many-to-many relationships of relational databases. Different types of data such as nominal, numeric and multi-valued ones should ...
    Association ruleRecommender systemMulti-valuePositive granuleNegative granule
  • [外文会议] Bin Yang William Zhu 2013
    Rough set theory is an effective tool for dealing with vagueness or uncertainty in information systems. It is efficient for data pre-process and widely used in attribute reduction in data mining. Matro...
    Generalized rough setsMatroidCircuitUnion of matroidsUpper and lower approximations
  • [外文会议] Jingqian Wang William Zhu 2013
    As an important technique for granular computing, rough sets deal with vagueness and granularity in information systems. Rough sets are usually used in attribute reduction, however, the corresponding a...
    Approximation operatorContractionMatroidRough set
  • [外文会议] Aiping Huang William Zhu 2013
    The topological properties of coverings and their corresponding covering approximation operators have drawn special attention because these topological properties have important applications in rough s...
    CoveringApproximation operatorTopologyClosure operator
  • [外文会议] Yanfang Liu William Zhu 2013
    Extension of a covering approximation space has been successfully applied to attribute reduction of covering-based rough sets. While the algorithms to solve attribute reduction are almost greedy ones. ...
    Covering-based rough settransversal matroidapproximation operatorsclosure operatorattribute reduction
  • [外文会议] Jingqian Wang William Zhu 2013
    As an important technique for granular computing, rough sets deal with vagueness and granularity in information systems. Rough sets are usually used in attribute reduction, however, the corresponding a...
    Approximation operatorContractionMatroidRough set
  • [外文会议] Aiping Huang William Zhu 2013
    The topological properties of coverings and their corresponding covering approximation operators have drawn special attention because these topological properties have important applications in rough s...
    CoveringApproximation operatorTopologyClosure operator
  • [外文会议] Yanfang Liu William Zhu 2013
    Extension of a covering approximation space has been successfully applied to attribute reduction of covering-based rough sets. While the algorithms to solve attribute reduction are almost greedy ones. ...
    Covering-based rough setTransversal matroidApproximation operatorsClosure operatorAttribute reduction
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