All Stories

  1. A unified formulation for home healthcare routing and scheduling problems

    Article • International Transactions in Operational Research, December 2025, Wiley

    Professor Andrea Schaerf

  2. Large Neighborhood Search for Capacitated Facility Location with Customer Incompatibilities

    Article • July 2025, ACM (Association for Computing Machinery)

    Professor Andrea Schaerf

  3. Dynamic Temperature Control of Simulated Annealing using Hyper-Heuristics

    Article • July 2025, ACM (Association for Computing Machinery)

    Professor Andrea Schaerf, Prof Luca Di Gaspero

  4. Solving the slab selection and relocation problem in a real production yard using simulated annealing

    Article • International Journal of Production Research, June 2025, Taylor & Francis

    Professor Andrea Schaerf

  5. A compact model for the home healthcare routing and scheduling problem

    Article • EURO Journal on Computational Optimization, January 2025, Elsevier

    Professor Andrea Schaerf

  6. Multi‐neighborhood simulated annealing for the home healthcare routing and scheduling problem

    Article • International Transactions in Operational Research, December 2024, Wiley

    Professor Andrea Schaerf

  7. Multi-Neighborhood Simulated Annealing for the Capacitated Dispersion Problem

    Article • Expert Systems with Applications, December 2024, Elsevier

    Professor Andrea Schaerf

  8. EasyLocal++ a 25-year Perspective on Local Search Frameworks

    Article • July 2024, ACM (Association for Computing Machinery)

    Prof Luca Di Gaspero, Professor Andrea Schaerf

  9. Solving the medical student scheduling problem using simulated annealing

    Article • Journal of Scheduling, April 2024, Springer Science + Business Media

    Professor Andrea Schaerf

  10. Reinforcement Learning for Multi-Neighborhood Local Search in Combinatorial Optimization

    Article • January 2024, Springer Science + Business Media

    Professor Andrea Schaerf

  11. Enhancing Real-World Applicability in Home Healthcare: A Metaheuristic Approach for Advanced Routing and Scheduling

    Article • January 2024, Springer Science + Business Media

    Professor Andrea Schaerf

  12. Solving the Integrated Patient-to-Room and Nurse-to-Patient Assignment by Simulated Annealing

    Article • January 2024, Springer Science + Business Media

    Professor Andrea Schaerf

  13. Multi-neighbourhood simulated annealing for the ITC-2007 capacitated examination timetabling problem

    Article • Journal of Scheduling, December 2023, Springer Science + Business Media

    Professor Andrea Schaerf

  14. Multi-neighborhood simulated annealing for the capacitated facility location problem with customer incompatibilities

    Article • Computers & Industrial Engineering, December 2023, Elsevier

    Professor Andrea Schaerf

  15. Local Search for Integrated Predictive Maintenance and Scheduling in Flow-Shop

    Article • January 2023, Springer Science + Business Media

    Professor Andrea Schaerf

  16. Simulated Annealing for the Home Healthcare Routing and Scheduling Problem

    Article • January 2023, Springer Science + Business Media

    Professor Andrea Schaerf

  17. Metaheuristic techniques for the capacitated facility location problem with customer incompatibilities

    Article • Soft Computing, October 2022, Springer Science + Business Media

    Professor Andrea Schaerf

  18. Task design in complex crowdsourcing experiments: Item assignment optimization

    Article • Computers & Operations Research, August 2022, Elsevier

    Professor Andrea Schaerf

  19. Educational Timetabling: Problems, Benchmarks, and State-of-the-Art Results

    Article • European Journal of Operational Research, July 2022, Elsevier

    Professor Andrea Schaerf

  20. Multi-neighborhood simulated annealing for the sports timetabling competition ITC2021

    Article • Journal of Scheduling, June 2022, Springer Science + Business Media

    Professor Andrea Schaerf

  21. Exact and metaheuristic approaches for unrelated parallel machine scheduling

    Article • Journal of Scheduling, December 2021, Springer Science + Business Media

    Professor Andrea Schaerf

  22. Multi-Neighborhood Simulated Annealing for the Minimum Interference Frequency Assignment Problem

    Article • EURO Journal on Computational Optimization, December 2021, Elsevier

    Professor Andrea Schaerf

  23. Correction to: Solving a home energy management problem by Simulated Annealing

    Article • Optimization Letters, February 2020, Springer Science + Business Media

    Professor Andrea Schaerf

  24. Solving a home energy management problem by SA

    Article • Optimization Letters, February 2020, Springer Science + Business Media

    Professor Andrea Schaerf

  25. Solving the static INRC-II nurse rostering problem by simulated annealing based on large neighborhoods

    Article • Annals of Operations Research, February 2020, Springer Science + Business Media

    Professor Andrea Schaerf

  26. Local Search and Constraint Programming for a Real-World Examination Timetabling Problem

    Article • January 2020, Springer Science + Business Media

    Professor Andrea Schaerf

  27. Modelling and solving the thesis defense timetabling problem

    Article • Journal of the Operational Research Society, January 2019, Taylor & Francis

    Prof Luca Di Gaspero, Professor Andrea Schaerf

  28. The practice and theory of automated timetabling (2016)

    Article • Annals of Operations Research, October 2018, Springer Science + Business Media

    Professor Andrea Schaerf

  29. Modeling and solving the steelmaking and casting scheduling problem

    Article • International Transactions in Operational Research, September 2018, Wiley

    Professor Andrea Schaerf

  30. The Second International Nurse Rostering Competition

    Article • Annals of Operations Research, March 2018, Springer Science + Business Media

    Professor Andrea Schaerf

  31. Solving discrete lot-sizing and scheduling by simulated annealing and mixed integer programming

    Article • Computers & Industrial Engineering, December 2017, Elsevier

    Professor Andrea Schaerf

  32. Modeling and solving a real-life multi-skill shift design problem

    Article • Annals of Operations Research, April 2016, Springer Science + Business Media

    Professor Andrea Schaerf

  33. Feature-based tuning of simulated annealing applied to the curriculum-based course timetabling problem

    Article • Computers & Operations Research, January 2016, Elsevier

    Professor Andrea Schaerf

  34. Feature-based tuning of single-stage simulated annealing for examination timetabling

    Article • Annals of Operations Research, November 2015, Springer Science + Business Media

    Professor Andrea Schaerf

  35. Comments on: An overview of curriculum-based course timetabling

    Article • Top, March 2015, Springer Science + Business Media

    Professor Andrea Schaerf

  36. Dynamic patient admission scheduling with operating room constraints, flexible horizons, and patient delays

    Article • Journal of Scheduling, November 2014, Springer Science + Business Media

    Professor Andrea Schaerf

  37. Local search techniques for a routing-packing problem

    Article • Computers & Industrial Engineering, December 2013, Elsevier

    Professor Andrea Schaerf

  38. The generalized balanced academic curriculum problem with heterogeneous classes

    Article • Annals of Operations Research, April 2013, Springer Science + Business Media

    Professor Andrea Schaerf

  39. The Third International Timetabling Competition

    Article • Annals of Operations Research, February 2013, Springer Science + Business Media

    Professor Andrea Schaerf

  40. Automated Shift Design and Break Scheduling

    Article • January 2013, Springer Science + Business Media

    Professor Andrea Schaerf

  41. Modeling and solving the dynamic patient admission scheduling problem under uncertainty

    Article • Artificial Intelligence in Medicine, November 2012, Elsevier

    Professor Andrea Schaerf

  42. Design, engineering, and experimental analysis of a simulated annealing approach to the post-enrolment course timetabling problem

    Article • Computers & Operations Research, July 2012, Elsevier

    Professor Andrea Schaerf

  43. The first international nurse rostering competition 2010

    Article • Annals of Operations Research, January 2012, Springer Science + Business Media

    Professor Andrea Schaerf

  44. XHSTT: an XML archive for high school timetabling problems in different countries

    Article • Annals of Operations Research, November 2011, Springer Science + Business Media

    Professor Andrea Schaerf, Professor Christos George Gogos

  45. Hybrid metaheuristics for constrained portfolio selection problems

    Article • Quantitative Finance, October 2011, Taylor & Francis

    Professor Andrea Schaerf

  46. Local search and lower bounds for the patient admission scheduling problem

    Article • Computers & Operations Research, October 2011, Elsevier

    Professor Andrea Schaerf

  47. Local search for a multi-drop multi-container loading problem

    Article • Journal of Heuristics, February 2011, Springer Science + Business Media

    Professor Andrea Schaerf

  48. Design and statistical analysis of a hybrid local search algorithm for course timetabling

    Article • Journal of Scheduling, February 2011, Springer Science + Business Media

    Professor Andrea Schaerf

  49. The balanced academic curriculum problem revisited

    Article • Journal of Heuristics, January 2011, Springer Science + Business Media

    Professor Andrea Schaerf

  50. Local Search for Constrained Financial Portfolio Selection Problems with Short Sellings

    Article • January 2011, Springer Science + Business Media

    Professor Andrea Schaerf

  51. Tabu search techniques for the heterogeneous vehicle routing problem with time windows and carrier-dependent costs

    Article • Journal of Scheduling, December 2010, Springer Science + Business Media

    Professor Andrea Schaerf

  52. Benchmarking curriculum-based course timetabling: formulations, data formats, instances, validation, visualization, and results

    Article • Annals of Operations Research, February 2010, Springer Science + Business Media

    Professor Andrea Schaerf

  53. Setting the Research Agenda in Automated Timetabling: The Second International Timetabling Competition

    Article • INFORMS Journal on Computing, February 2010, INFORMS

    Prof Luca Di Gaspero, Professor Andrea Schaerf

  54. A Hybrid LS-CP Solver for the Shifts and Breaks Design Problem

    Article • January 2010, Springer Science + Business Media

    Professor Andrea Schaerf

  55. Multi-neighborhood Local Search for the Patient Admission Problem

    Article • January 2009, Springer Science + Business Media

    Professor Andrea Schaerf

  56. Hybrid Local Search Techniques for the Generalized Balanced Academic Curriculum Problem

    Article • January 2008, Springer Science + Business Media

    Professor Andrea Schaerf

  57. The minimum shift design problem

    Article • Annals of Operations Research, July 2007, Springer Science + Business Media

    Professor Andrea Schaerf

  58. Simulation of fuel consumption and emissions in typical traffic circumstances in Belgium

    Article • April 2007, WITPRESS LTD.

    Professor Andrea Schaerf

  59. A composite-neighborhood tabu search approach to the traveling tournament problem

    Article • Journal of Heuristics, January 2007, Springer Science + Business Media

    Professor Andrea Schaerf

  60. Hybrid Local Search for Constrained Financial Portfolio Selection Problems

    Article • January 2007, Springer Science + Business Media

    Professor Andrea Schaerf

  61. Measurability and Reproducibility in University Timetabling Research: Discussion and Proposals

    Article • January 2007, Springer Science + Business Media

    Professor Andrea Schaerf

  62. EasySyn++: A Tool for Automatic Synthesis of Stochastic Local Search Algorithms

    Article • January 2007, Springer Science + Business Media

    Professor Andrea Schaerf

  63. EasyAnalyzer: An Object-Oriented Framework for the Experimental Analysis of Stochastic Local Search Algorithms

    Article • January 2007, Springer Science + Business Media

    Professor Andrea Schaerf

  64. Floating Automotive Data Collection

    Article • January 2007, Springer Science + Business Media

    Professor Andrea Schaerf

  65. Neighborhood Portfolio Approach for Local Search Applied to Timetabling Problems

    Article • Journal of Mathematical Modelling and Algorithms, December 2005, Springer Science + Business Media

    Professor Andrea Schaerf

  66. Simulations of Fuel Consumption and Emissions in Typical Traffic Circumstances

    Article • May 2005, SAE International

    Professor Andrea Schaerf

  67. Compiling problem specifications into SAT

    Article • Artificial Intelligence, February 2005, Elsevier

    Professor Andrea Schaerf

  68. Theory and Practice of the Minimum Shift Design Problem

    Article • January 2005, Springer Science + Business Media

    Professor Andrea Schaerf

  69. Local search for shift design

    Article • European Journal of Operational Research, February 2004, Elsevier

    Professor Andrea Schaerf

  70. Writing Local Search Algorithms Using Easylocal++

    Article • January 2003, Springer Science + Business Media

    Professor Andrea Schaerf

  71. Multi-neighbourhood Local Search with Application to Course Timetabling

    Article • January 2003, Springer Science + Business Media

    Professor Andrea Schaerf

  72. The Minimum Shift Design Problem: Theory and Practice

    Article • January 2003, Springer Science + Business Media

    Professor Andrea Schaerf

  73. EASYLOCAL++: an object-oriented framework for the flexible design of local-search algorithms

    Article • Software Practice and Experience, January 2003, Wiley

    Professor Andrea Schaerf

  74. Article • Annals of Mathematics and Artificial Intelligence, January 2003, Springer Science + Business Media

    Professor Andrea Schaerf

  75. Article • Computational Economics, January 2002, Springer Science + Business Media

    Professor Andrea Schaerf

  76. Tabu Search Techniques for Examination Timetabling

    Article • January 2001, Springer Science + Business Media

    Professor Andrea Schaerf

  77. NP-SPEC: an executable specification language for solving all problems in NP

    Article • Computer Languages, July 2000, Elsevier

    Professor Andrea Schaerf

  78. LOCAL++: A C++ framework for local search algorithms

    Article • Software Practice and Experience, March 2000, Wiley

    Professor Andrea Schaerf

  79. LOCAL++: A C++ framework for local search algorithms

    Article • Software Practice and Experience, March 2000, Wiley

    Professor Andrea Schaerf

  80. Solving Employee Timetabling Problems by Generalized Local Search

    Article • January 2000, Springer Science + Business Media

    Professor Andrea Schaerf

  81. Local search techniques for large high school timetabling problems

    Article • IEEE Transactions on Systems Man and Cybernetics - Part A Systems and Humans, July 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Andrea Schaerf

  82. The Alma Project, or How First-Order Logic Can Help us in Imperative Programming

    Article • January 1999, Springer Science + Business Media

    Professor Andrea Schaerf

  83. Article • Constraints, January 1999, Springer Science + Business Media

    Professor Andrea Schaerf

  84. Article • Artificial Intelligence Review, January 1999, Springer Science + Business Media

    Professor Andrea Schaerf

  85. Alma-O: an imperative language that supports declarative programming

    Article • ACM Transactions on Programming Languages and Systems, September 1998, ACM (Association for Computing Machinery)

    Professor Andrea Schaerf

  86. An epistemic operator for description logics

    Article • Artificial Intelligence, April 1998, Elsevier

    Professor Andrea Schaerf, Prof. Francesco Maria Donini

  87. A refined architecture for terminological systems: Terminology = Schema + Views

    Article • Artificial Intelligence, March 1998, Elsevier

    Professor Andrea Schaerf

  88. np-spec: An Executable Specification Language for Solving All Problems in NP

    Article • January 1998, Springer Science + Business Media

    Professor Andrea Schaerf

  89. Article • Journal of Intelligent Information Systems, January 1998, Springer Science + Business Media

    Professor Andrea Schaerf, Prof. Francesco Maria Donini

  90. Search and imperative programming

    Article • January 1997, ACM (Association for Computing Machinery)

    Professor Andrea Schaerf

  91. Experimental analysis of the computational cost of evaluating Quantified Boolean Formulae

    Article • January 1997, Springer Science + Business Media

    Professor Andrea Schaerf

  92. Reasoning with individuals in concept languages

    Article • Data & Knowledge Engineering, September 1994, Elsevier

    Professor Andrea Schaerf

  93. Deduction in Concept Languages: from Subsumption to Instance Checking

    Article • Journal of Logic and Computation, January 1994, Oxford University Press (OUP)

    Professor Andrea Schaerf

  94. Queries, rules and definitions as epistemic sentences in concept languages

    Article • January 1994, Springer Science + Business Media

    Professor Andrea Schaerf, Prof. Francesco Maria Donini

  95. On the complexity of the instance checking problem in concept languages with existential quantification

    Article • Journal of Intelligent Information Systems, September 1993, Springer Science + Business Media

    Professor Andrea Schaerf

  96. Reasoning with individuals in concept languages

    Article • January 1993, Springer Science + Business Media

    Professor Andrea Schaerf

  97. On the complexity of the instance checking problem in concept languages with existential quantification

    Article • January 1993, Springer Science + Business Media

    Professor Andrea Schaerf

  98. A hybrid system with datalog and concept languages

    Article • January 1991, Springer Science + Business Media

    Professor Andrea Schaerf, Prof. Francesco Maria Donini

  99. Compiling Problem Specifications into SAT

    Article • Springer Science + Business Media

    Professor Andrea Schaerf

  100. Querying concept-based knowledge bases

    Article • Springer Science + Business Media

    Professor Andrea Schaerf

  101. Hybrid Local Search Techniques for the Resource-Constrained Project Scheduling Problem

    Article • Springer Science + Business Media

    Professor Andrea Schaerf

  102. LOCAL++: a C++ framework for local search algorithms

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Andrea Schaerf