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    Chapter and Conference Paper

    A Data Imputation Method with Support Vector Machines for Activity-Based Transportation Models

    In this paper, a data imputation method with a Support Vector Machine (SVM) is proposed to solve the issue of missing data in activity-based diaries. Here two SVM models are established to predict the missing ...

    Banghua Yang, Davy Janssens, Da Ruan, Mario Cools… in Foundations of Intelligent Systems (2012)

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    Chapter and Conference Paper

    Clustering of Fuzzy Cognitive Maps for Travel Behavior Analysis

    The increasing of public transportation or bike use became an important issue in addressing economic, energy and environmental challenges. With this regard one of the most main tasks is to find and analyze the...

    Lusine Mkrtchyan, Maikel León, Benoît Depaire, Da Ruan… in Management Intelligent Systems (2012)

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    Chapter and Conference Paper

    Using Belief Degree-Distributed Fuzzy Cognitive Maps for Safety Culture Assessment

    Safety Culture describes how safety issues are managed within an enterprise. In this paper we describe a prototype for safety culture assessment using Belief Degree Fuzzy Cognitive Maps. Our appr...

    Da Ruan, Lusine Mkrtchyan in Practical Applications of Intelligent Systems (2012)