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This volume presents selected contributions by top researchers in the field of operations research, originating from the XVI Congress of APDIO. It provides interesting findings and applications of operations research methods and techniques in a wide variety of problems. The contributions address complex real-world problems, including inventory management with lateral transshipments, sectors and routes in solid-waste collection and production planning for perishable food products. It also discusses the latest techniques, making the volume a valuable tool for researchers, students and practitioners who wish to learn about current trends. Of particular interest are the applications of nonlinear and mixed-integer programming, data envelopment analysis, clustering techniques, hybrid heuristics, supply chain management and lot sizing, as well as job scheduling problems.   This biennial conference, organized by APDIO, the Portuguese Association of Operational Research, held in Bragança, Portugal, in June 2013, presented a perfect opportunity to discuss the latest development in this field and to narrow the gap between academic researchers and practitioners.

Operations Research --- Civil & Environmental Engineering --- Engineering & Applied Sciences --- Operations research --- Mathematics. --- Game theory. --- Algorithms. --- Computer mathematics. --- Numerical analysis. --- Mathematical models. --- Mathematical optimization. --- Optimization. --- Mathematical Modeling and Industrial Mathematics. --- Computational Science and Engineering. --- Numerical Analysis. --- Game Theory, Economics, Social and Behav. Sciences. --- Optimization (Mathematics) --- Optimization techniques --- Optimization theory --- Systems optimization --- Mathematical analysis --- Maxima and minima --- Simulation methods --- System analysis --- Algorism --- Algebra --- Arithmetic --- Models, Mathematical --- Computer mathematics --- Discrete mathematics --- Electronic data processing --- Games, Theory of --- Theory of games --- Mathematical models --- Mathematics --- Math --- Science --- Foundations --- Computer science. --- Informatics

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This proceedings book presents selected contributions from the XVIII Congress of APDIO (the Portuguese Association of Operational Research) held in Valença on June 28–30, 2017. Prepared by leading Portuguese and international researchers in the field of operations research, it covers a wide range of complex real-world applications of operations research methods using recent theoretical techniques, in order to narrow the gap between academic research and practical applications. Of particular interest are the applications of, nonlinear and mixed-integer programming, data envelopment analysis, clustering techniques, hybrid heuristics, supply chain management, and lot sizing and job scheduling problems. In most chapters, the problems, methods and methodologies described are complemented by supporting figures, tables and algorithms.   The XVIII Congress of APDIO marked the 18th installment of the regular biannual meetings of APDIO – the Portuguese Association of Operational Research. The meetings bring together researchers, scholars and practitioners, as well as MSc and PhD students, working in the field of operations research to present and discuss their latest works. The main theme of the latest meeting was Operational Research Pro Bono. Given the breadth of topics covered, the book offers a valuable resource for all researchers, students and practitioners interested in the latest trends in this field.

Mathematics. --- Game theory. --- Algorithms. --- Computer mathematics. --- Numerical analysis. --- Mathematical models. --- Operations research. --- Management science. --- Mathematical Modeling and Industrial Mathematics. --- Operations Research, Management Science. --- Computational Science and Engineering. --- Numerical Analysis. --- Game Theory, Economics, Social and Behav. Sciences. --- Algorism --- Algebra --- Arithmetic --- Games, Theory of --- Theory of games --- Mathematical models --- Mathematics --- Math --- Science --- Quantitative business analysis --- Management --- Problem solving --- Operations research --- Statistical decision --- Operational analysis --- Operational research --- Industrial engineering --- Management science --- Research --- System theory --- Models, Mathematical --- Simulation methods --- Mathematical analysis --- Computer mathematics --- Discrete mathematics --- Electronic data processing --- Foundations --- Computer science. --- Informatics

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This book constitutes the refereed proceedings of the 42nd International Conference on Conceptual Modeling, ER 2023, held in Lisbon, Portugal, during November 6-9, 2023. The 21 full papers were carefully reviewed and selected from 121 submissions. Additionally, the book contains 4 keynote speeches and 3 tutorials, and one invited paper corresponding to one of the keynote speeches. The papers cover a broad spectrum of classical and modern topics on conceptual modeling, including research and practice in the theories of concepts and ontologies, techniques for transforming conceptual models into effective implementations, and methods and tools for developing and communicating conceptual models.

Software engineering. --- Application software. --- Data structures (Computer science). --- Information theory. --- Artificial intelligence. --- Computer networks. --- Information technology --- Software Engineering. --- Computer and Information Systems Applications. --- Data Structures and Information Theory. --- Artificial Intelligence. --- Computer Communication Networks. --- Computer Application in Administrative Data Processing. --- Management.