Publications in International Journals
  • Rocha, H. e Joana Dias (2025) “On polling directions for randomized direct-search approaches: application to beam angle optimization in intensity-modulated proton therapy", Journal of Global Optimization, vol 91, pp 371–392 (pdf)
  • Callens, D., C. Malone, A. Carver, C. Fiandra, M. J. Gooding, S. Korreman, Stine S., Joana Dias, R. Popple, H. Rocha, W. Crijns, C. Cardenas (2024) “Is full-automation in radiotherapy treatment planning ready for take off?”, Radiotherapy and Oncology, Volume 201, pp 110546 (pdf). 
  • Correia, P., B. Cruzeiro, Joana Dias, P. Encarnação, F. Ribeiro, C. Rodrigues e A. Silva (2024) “Precise positioning of gamma ray interactions in multiplexed pixelated scintillators using artificial neural networks”, Biomedical Physics & Engineering Express, vol. 10 (4) pp 045038 (pdf)
  • Santos, P., C. Bairrada e Joana Dias (2024) “Gamification in marketing: insights on current and future research directions based on a bibliometric and Theories, Contexts, Characteristics and Methodologies analysis”, Heliyon, vol 10 (11), e32047 (pdf).
  • Freitas, J., D.Cantane, H. Rocha, Joana Dias (2024) “A multiobjective beam angle optimization framework for intensity-modulated radiation therapy”, European Journal of Operational Research, vol 318, pp 286-296. (pdf)
  • Dias, Joana, H. Rocha, P. Carrasqueira, T. Ventura, B. C. Ferreira, M. C. Lopes (2023) “Operations research contribution to totally automated radiotherapy treatment planning: a noncoplanar beam angle and fluence map optimization engine based on optimization models and algorithms”, Operations Research for Health Care, vol. 36, 100378 (pdf)
  • Carrasqueira, Pedro, Maria João Alves, Joana Dias, H. Rocha, T. Ventura, B. C. Ferreira, M. C. Lopes (2023) “An automated bilevel optimization approach for IMRT”, International Transactions in Operational Research, vol 30, pp 224-238 (pdf)
  • Carrasqueira, Pedro, H. Rocha, Joana Dias, T. Ventura, B. C. Ferreira, e M. C. Lopes (2023) “An automated treatment planning strategy for highly noncoplanar radiotherapy arc trajectories”, International Transactions in Operational Research, vol 30, pp 206-223 (pdf)
  • Cao, Wenhua, Humberto Rocha, Radhe Mohan, Gino J Lim, Hadis Goudarzi, Brígida da Costa Ferreira, Joana Dias (2022) “Reflections on beam configuration optimization for intensity-modulated proton therapy”, Physics in Medicine & Biology, 67 13TR01 (pdf)
  • Dias, Luís, Joana Dias, Tiago Ventura, Humberto Rocha, Brígida Ferreira, Leila Khouri, Maria do Carmo Lopes (2022) “Learning target-based preferences through additive models: An application in radiotherapy treatment planning” European Journal of Operational Research, vol 302, pp 270-279 (pdf)
  • Caçador, Sandra, Joana Dias, Pedro Godinho (2022) “A minimax regret portfolio model based on the investor's utility loss", Operational Research, 22, pp 449–484 (pdf)
  • Nelas, J. and Joana Dias (2021) “Locating Emergency Vehicles: modelling the substitutability of resources and the impact of delays in the arrival of assistance”, Operations Research Perspectives, vol 8, 100202 (pdf)
  • Ventura, Tiago, Humberto Rocha; Brigida da Costa Ferreira; Joana Dias; Maria do Carmo Lopes (2021) “Comparison of non-coplanar optimization of static beams and arc trajectories for intensity-modulated treatments of meningioma cases”, Physical and Engineering Sciences in Medicine, 44, pp 1273-1283 (pdf)
  • Alves, N., Joana Dias, H. Rocha, T. Ventura, J. Mateus, M. Capela, L. Khouri, M. C. Lopes (2021) “Assessing the need for Adaptive Radiotherapy in Head and Neck cancer patients using an automatic planning tool”, Reports of Practical Oncology & Radiotherapy, 26(3), pp 423-432 (pdf)
  • Caçador, Sandra, Joana Dias, Pedro Godinho (2021) “Portfolio Selection Under Uncertainty: a new methodology for computing relative-robust solutions” International Transactions in Operational Research,vol. 28(3), pp. 1296–1329 (pdf).
  • Nelas, José and Joana Dias (2020) “ Optimal Emergency Vehicles Location: An approach considering the hierarchy and substitutability of resources”, European Journal of Operational Research, Volume 287 (2), pp 583-599 (pdf).
  • Ventura, Tiago, Joana Dias, L. Khouri, E. Netto, A. Soares, B. Ferreira, H. Rocha; M. C. Lopes (2020) “Clinical validation of a graphical method for radiation therapy plan quality assessment”, Radiation Oncology, vol 15, 64 (pdf)
  • Caçador, Sandra, Joana Dias, Pedro Godinho (2020) “Global minimum variance portfolios under uncertainty: a robust optimization approach” Journal of Global Optimization,76, pp 267-293 (pdf)
  • Ventura, Tiago, H. Rocha, B. C. Ferreira, L. Khouri, Joana Dias, M. C. Lopes (2019) “Comparison of two beam angular optimization algorithms guided by automated multicriterial IMRT”, Physica Medica: European Journal of Medical Physics, vol 64, pp 210-221 (pdf)
  • Monnerat, F., Joana Dias, M. J. Alves (2019) “Fleet Management: a Vehicle and Driver Assignment Model”, European Journal of Operational Research, vol 278, pp 64-75 (pdf)
  • Rocha, H., Joana Dias (2019) “Early prediction of durum wheat yield in Spain using radial basis functions interpolation models based on agroclimatic data”, Computers and Electronics in Agriculture,vol 157, pp 427-435 (pdf)
  • Rocha, H., Joana Dias, Tiago Ventura, Brígida Ferreira, Maria do Carmo Lopes (2019) “Beam Angle Optimization in IMRT: Are We Really Optimizing What Matters?”, International Transactions in Operational Research, 26, pp 908-928 (pdf)
  • Anacleto, Ana, Joana Dias (2018) “Data Analysis in Radiotherapy Treatments: Planning, Predicting, and Assuring Treatment Quality”, International Journal of E-Health and Medical Communication, 9, pp 43-61 (pdf)
  • Marques, Maria do Céu, Joana Dias (2018) “Dynamic Location Problem under Uncertainty with a regret based measure of robustness”, International Transactions in Operational Research 25, pp 1361-1381 (pdf)
  • Soares, Inês, Joana Dias, Humberto Rocha, Maria do Carmos Lopes, Brígida Ferreira (2018) “Predicting Xerostomia after IMRT treatments: a data mining approach”, Health and Technology, 8, pp159-168 (pdf)
  • Dias, Joana (2017) “Teaching Operations Research to Undergraduate Management Students: the Role of Gamification”, The International Journal of Management Education, 15, pp 98-111 (pdf)
  • Reigadinha, Tânia, Pedro Godinho, Joana Dias (2017) “Portuguese Food Retailers - Exploring three classic theories of retail location”, Journal of Retailing and Consumer Services, 34, pp 102-116 (pdf)
  • Humberto Rocha, Joana Dias, Tiago Ventura, Brígida Ferreira, Maria do Carmo Lopes (2016) “A derivative-free multistart framework for an automated noncoplanar beam angle optimization in IMRT”, Medical Physics, 43 (10), pp 5514-5526 (pdf)
  • Rocha, Humberto, Leila Khouri, Maria do Carmo Lopes, Joana Dias, Brígida Ferreira (2016) “Treatment failure prediction for head-and-neck cancer patients treated with radiation therapy”, Cancer Radiothérapie, 20 (4), pp 268-274 (pdf)
  • Dias, Joana, Humberto Rocha, Tiago Ventura, Brígida Ferreira, Maria do Carmo Lopes (2016) “Automated Fluence Map Optimization based on Fuzzy Inference Systems”, Medical Physics, 43, pp 1083-1095 (pdf)
  • Dias, Joana, H. Rocha, B. C. Ferreira and M. C. Lopes (2015) “Simulated Annealing applied to IMRT Beam Angle Optimization: a computational study”, Physica Medica: European Journal of Medical Physics, 31 (7) pp 747–756 (pdf)
  • Dias, Joana, H. Rocha, B. C. Ferreira and M. C. Lopes (2014) “A genetic algorithm with neural network fitness function evaluation for IMRT beam angle optimization”, Central European Journal of Operations Research, 22 (3), pp 431-455 (pdf)
  • H. Rocha, J. Dias, B. C. Ferreira and M. C. Lopes (2013) “Selection of intensity modulated radiation therapy treatment beam directions using radial basis functions within a pattern search methods framework”, Journal of Global Optimization, vol. 57, pp 1065‑1089 (pdf)
  • Marques, Maria do Céu, Joana Dias (2013) “Simple dynamic location problem with uncertainty: a primal-dual heuristic approach”, Optimization, vol. 62 (10), pp 1379–1397 (pdf)
  • H. Rocha, J. Dias, B. C. Ferreira and M. C. Lopes (2013) “Pattern search methods framework for beam angle optimization in radiotherapy design”, Applied Mathematics and Computation, vol. 219 (23), pp 10853-10865 (pdf)
  • Godinho, P. and Joana Dias (2013) “Two-Player Simultaneous Location Game: Preferential Rights and Overbidding”, European Journal of Operational Research, vol. 229, n. 3, pp 663‑672 (pdf)
  • H. Rocha, J. Dias, B. C. Ferreira and M. C. Lopes (2013) “Beam angle optimization for intensity-modulated radiation therapy using a guided pattern search method”, Physics in Medicine and Biology, vol. 58, pp 2939-2953 (pdf)
  • Dias, Joana and Pedro Godinho (2013) “Estimating the social costs of firearms: application to the Portuguese case”, International Journal of Economics & Business Research, vol 5, nº1, pp 17-32 (pdf)
  • Godinho, P. and Joana Dias (2012) “Cost-Benefit Analysis and the Optimal Timing of Road Infrastructures”, Journal of Infrastructure Systems, Vol. 18, Issue 4, pp 261-269 (pdf)
  • H. Rocha, Joana Dias, B. C. Ferreira, M. C. Lopes (2012) “Combinatorial optimization for an improved transition from fluence optimization to fluence delivery in IMRT treatment planning”, Optimization, vol 61, n. 8, pp 969-987 (pdf)
  • Mendes, L., Pedro Godinho and Joana Dias (2012) “A Forex trading system based on a genetic algorithm”, Journal of Heuristics, 18, pp 627-656 (pdf)
  • H. Rocha, Joana Dias, B. C. Ferreira, e M. C. Lopes (2012) “Discretization of optimal beamlet intensities in IMRT: a binary integer programming approach”, Mathematical and Computer Modelling, vol. 55, pp 1969-1980 (pdf)
  • Godinho, Pedro and Joana Dias (2011) “Fuel taxes and tolls in cost-benefit analysis” Economics Bulletin, Vol. 31 no.2 pp. 1372-1378 (pdf)
  • Godinho, Pedro and Joana Dias (2010) “A Two-player Competitive Discrete Location Model with Simultaneous Decisions” European Journal of Operational Research, 207, pp 1419‑1432 (pdf)
  • Dias, Joana, M. Eugénia Captivo and João Clímaco (2008) “A Memetic Algorithm for Multi‑objective Dynamic Location Problems” Journal of Global Optimization, Special Issue on Multiple Criteria Decision Making, vol 42, nº 2, pp 221-253 (pdf)
  • Dias, Joana, M. Eugénia Captivo and João Clímaco (2008) “Dynamic Location Problems with Maximum Decreasing Capacities” Central European Journal of Operations Research, 16, pp 251-280 (pdf)
  • Dias, Joana, M. Eugénia Captivo and João Clímaco (2007) “Dynamic Multi-Level Capacitated and Uncapacitated Location Problems: an approach using primal-dual heuristics” Operational Research An International Journal, special issue on New Research Advances on Facility Location, pp 345-380 (pdf)
  • Dias, Joana, M. Eugénia Captivo and João Clímaco (2007) “Efficient Primal-Dual Heuristic for a Dynamic Location Problem”, Computers & Operations Research, 34 (6) pp 1800‑1823 (pdf)
  • Dias, Joana, M. Eugénia Captivo and João Clímaco (2006) “Capacitated Dynamic Location Location Problems with Opening, Closure and Reopening of Facilities” IMA Journal of Management Mathematics, Special Issue on Location Analysis: Applications and Models, S. Salhi e Zvi Drezner (eds), 17 (4) pp 317-348 (pdf)
  • Dias, Joana, M. Eugénia Captivo and João Clímaco (2003) “An interactive procedure dedicated to a bicriteria plant location model”, Computers and Operations Research, 30 (13), pp 1977-2002 (pdf)
  • Dias, Joana and A. D. Correia (1999)“A Self-Organizing Fuzzy Controller with a Fixed Maximum number of Rules and an adaptive Similarity factor”, International Journal for Fuzzy Sets and Systems, 103, pp. 27-48 (pdf)
  • Dias, Joana and A. D. Correia (1997) “On-Line Learning in Self-Organizing Fuzzy Controller with Applications”, Studies in Informatics and Control Journal, ICI Edition, Vol.6, nº2, pp. 125-132 (pdf)
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