RESERVOIR ENGINEERING REORDERABLE MATRIX PQR-TREE EDUCATIONAL DATA MINING CROSSING REDUCTION AVALIAÇÃO HEURÍSTICA MULTIVARIATE DATA REORDERABLE MATRICES LAYERED DIRECTED ACYCLIC GRAPH INTERACTIVE DISPLAYS RMFINDER INTERFACE DESIGN PORTFOLIO SELECTION PQR SORT VISUALIZAÇÃO DE INFORMAÇÃO OIL ENGINEERING ACTOR-NETWORK THEORY VISUALIZATION CROSSING MINIMIZATION OIL RESERVOIR MODELS RISK CURVES PQR TREE REPRESENTATIVE MODELS LEARNING MANAGEMENT SYSTEMS MALWARE HEURISTICS DATABASE HUMAN-COMPUTER INTERACTION MATRIX REORDERING SPACE-FILLING CURVES HEURISTIC EVALUATION GRAPH LAYOUT PATTERN CLASSIFICATION MACHINE LEARNING MATRIX REORDERING ALGORITHMS CROSS PLOTS