Refereed papers
- An iterative conditional dispatch algorithm for the dynamic dispatch waves problem.
To appear in Transportation Science, 2024.
- A survey on machine learning in Ship Radiated Noise.
To appear in Ocean Engineering, 2024.
- Topic modeling for conversations for mental health helplines with utterance embedding.
To appear in Telematics and Informatics Reports, 2024.
- A machine learning approach for simultaneous demapping of QAM and APSK constellations.
To appear in Proceedings IEEE International Conference on Machine Learning for Communication and Networking, 2024.
- Unveiling the potential: harnessing deep metric learning to circumvent video streaming encryption.
To appear in Proceedings of the 22nd IEEE/WIC International Conference on Web Intelligence and Intelligent Agent Technology, 2023.
- A hierarchical agglomerative clustering for product sales forecasting.
Decision Analytics, 8:1-12, 2023.
- Forecasting call and chat volumes at online helplines for mental health.
BMC Public Health, 23, 984-996, 2023.
- The optimal input-independent baseline for binary classification: the Dutch draw.
Statistica Neerlandica, 1-12, 2023.
- Active pairwise distance learning for efficient labelling of large datasets by human experts.
Applied Intelligence, 2023.
- Identifying populations at ultra-high risk of suicide using a novel machine learning method.
Comprehensive Psychiatry, 123, 2023.
- Predicting academic success of autistic students in higher education.
Autism: International Journal of Research and Practice, 2023.
- Strategic workforce planning with deep reinforcement learning.
Machine Learning, Optimization, and Data Science, 2:108-122, 2023.
- The Berkelmans-Pries dependency function: a generic measure of dependence between random variables.
Journal of Advances in Applied Probability, 2023.
- Reduced waiting times by preference-based allocation of patients to nursing homes.
Journal of the American Medical Directors Association, 23(12), 2022.
- Performance modeling for call centers providing online mental health support.
International Journal on Advances in Life Sciences, 14:120-129, 2022.
- Detecting novel application layer cybervariants using supervised learning.
International Journal on Advances in Security, 15:75-84, 2022.
- Understanding human mobility for data-driven policy making.
Innovations for Community Services, 155-167, 2022.
- Evaluating a face generator from a human perspective.
Machine Learning with Applications, 10, 2022.
- Jasmine: a new active learning approach to combat cybercrime.
Machine Learning with Applications, 9, 2022.
- Convolutional Neural Networks for Vehicle Damage Detection.
Machine Learning with Applications, 9, 2022.
- Multi-view damage inspection using single-view damage projection.
Machine Vision and Applications, 33:46, 2022.
- Study progression and degree completion of autistic students in higher education: a longitudinal study.
Higher Education, 2022.
- A data-driven approach to deriving closed-form approximations for queueing problems using genetic algorithms.
Queueing Systems (special issue on "100 views on queues"), 100:549-551, 2022.
- Predicting responders to prone positioning in mechanically ventilated patients with COVID-19 using machine learning.
Annals of Intensive Care, 12, 2022.
- Detecting changes in help seeker conversations on a suicide prevention helpline during the COVID-19 pandemic: In-depth analysis using encoder representations from transformers.
BMC Public Health, 22:530, 2022.
- The enriched median routing problem and its usefulness in practice.
Computer & Industrial Engineering, 168, 2022.
- Plusmine: dynamic active learning combined with future-proof semi-supervised learning for automatic classification.
Proceedings of the IEEE/WIC/ACM International Joint Conference on Web Intelligence Agent Technology, 2021.
- Severe weather-based fire department incident forecasting.
International Journal on Advances in Intelligent Systems, 14:14-23, 2021.
- Deep learning for white cabbage seedling prediction.
Computers and Electronics in Agriculture, 184:1-9, 2021.
- Identifying socio-demographic risk factors for suicide using data on an individual level.
BMC Public Health, 21(1):1-8, 2021.
- Large-scale ICU data sharing for global collaboration: the first 1633 critically ill COVID-19 patients in the Dutch Data Warehouse.
Intensive Care Medicine, 47(4):478-481, 2021.
- On the relation between COVID-19, mobility, and the stock market.
PLoS ONE, 16(12):1-16, 2021.
- Planning hinterland container transportation in congested deep-sea terminals.
Flexible Services and Manufacturing Journal, 33(3):583-622, 2021.
- Clustering biblical texts using recurrent neural networks.
In Proceedings of the Network Institute Academy Assistants program, 2020.
- Demographic risk factors for suicide among youths in the Netherlands.
International Journal of Environmental Research and Public Health, 17(4):1-11, 2020.
- Deriving explicit control policies for Markov Decision Processes using symbolic regression.
In Proceedings of the 13th EAI International Conference on Performance Evaluation Methodologies and Tools, 2020.
- First-year progression and retention of autistic students in higher education: a propensity score weighted population study.
Autism in Adulthood, 2(4):307-316, 2020.
- Forecasting spatio-temporal variation in residential burglary with the integrated Laplace approximation framework: effects of crime generators, street networks, and prior crimes.
Journal of Quantitative Criminology, 2020.
- Optimizing pre-processing and relocation moves in the Stochastic Container Relocation Problem.
European Journal of Operational Research, 283(3):954-971, 2020.
- Predicting travel behavior by analyzing mobility transactions.
Journal of Traffic and Transportation Management, 2(2):25-33, 2020.
- Pre-processing a container yard under limited available time.
Computers & Operations Research, 123:1-19, 2020.
- Roundabout model with on-ramp queues: Exact results and scaling approximations.
Physical Review E, 101(1):1-13, 2020.
- The median routing problem for simultaneous planning of emergency response and non-emergency jobs.
European Journal of Operational Research, 285(2):712-727, 2020.
- Transaction-driven mobility analysis for travel mode choices.
Procedia Computer Science, 170:169-176, 2020.
- K competing queues with customer abandonment: optimality of a generalised c mu-rule by the Smoothed Rate Truncation method.
Annals of Operations Research, 2019.
- Background and enrollment characteristics of students with autism in higher education.
Research in Autism Spectrum Disorders, 67:1-12, 2019.
- Detecting fraudulent bookings of online travel agencies with unsupervised machine learning.
Advances and Trends in Artificial Intelligence: From Theory to Practice: 32nd International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, 334-346, 2019.
- Detecting network intrusion beyond 1999: Applying machine learning techniques to a partially labeled cybersecurity dataset.
In Proceedings IEEE/WIC/ACM International Conference on Web Intelligence, 784-787, 2019.
- Network analysis of city streets: forecasting burglary risk in small areas.
International Journal on Advances in Security, 12(3/4):194-202, 2019.
- Applied urban fire department incident forecasting.
Proceedings of the 8th International Conference on Data Analytics, Porto, IARIA, 22-26, 2019.
- Dynamic knowledge tracing models for large-scale adaptive learning environments.
International Journal on Advances in Intelligent Systems, 12(1&2), 93-110, 2019.
- Optimizing barge utilization in hinterland container transportation.
Naval Research Logistics, 66(3):253-271, 2019.
- Crime forecasting in small city blocks using a general additive spatio-temporal model.
International Journal on Advances in Security, 11:214-222, 2018.
- Dynamic coordination of the New York City taxi to optimize the revenue of the taxi service.
International Journal on Advances in Intelligent Systems, 11:156-167, 2018.
- A novel use of value iteration for deriving bounds for threshold and switching curve optimal policies.
Naval Research Logistics, 65:638-659, 2018.
- Forecasting burglary risk in small areas via network analysis of city streets.
Proceedings of the 7th International Conference on Data Analytics, Athens, IARIA, 109-114, 2018.
- Optimal taxi fleet management: a linear programming approach to the taxi capacity problem.
Proceedings of the 7th International Conference on Data Analytics, Athens, IARIA, 115-120, 2018.
- Dynamic models for knowledge tracing & prediction of future performance.
Proceedings of the 7th International Conference on Data Analytics, Athens, IARIA, 121-129, 2018.
- Control of a tandem queue with a start-up cost for the second server.
Stochastic Models, 34(3):362-374, 2018.
- Real-time ambulance relocation: assessing real-time deployment strategies for ambulance relocation.
Socio-Economic Planning Sciences, 62:129-142, 2018.
- Ambulance dispatch center pilots proactive relocation policies to enhance effectiveness.
Interfaces, 48(3):235-246, 2018.
- Throughput and bottleneck analysis of tandem queues with nested sessions.
Probability in the Engineering and Informational Sciences, 32(3):396-408, 2018.
- Demand-point constrained EMS vehicle allocation problems for regions with both urban and rural areas.
Operations Research for Health Care, 18:65-83, 2018.
- Optimal battery charging in smart grids with price forecasts.
In IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, 2017.
- Predicting candidate uptake on individual online vacancies and vacancy portfolios.
International Journal on Advances in Software, 10:132-142, 2017.
- Optimization of the revenue of the New York City taxi service using Markov Decision Processes.
Proceedings of the 6th International Conference on Data Analytics, Barcelona, IARIA, 47-52, 2017.
- Japanese Kanji characters are small-world connected through shared components.
Proceedings of the 6th International Conference on Data Analytics, Barcelona, IARIA, 53-58, 2017.
- Spatio-temporal modeling for residential burglary.
Proceedings of the 6th International Conference on Data Analytics, Barcelona, IARIA, 59-64, 2017.
- EMS call center models with and without function differentiation: a comparison.
Operations Research for Health Care, 12:16-28, 2017.
- Value function approximation in complex queueing systems.
Markov Decision Processes in Practice, Chapter 2, 33-62, 2017.
- Optimal ambulance dispatching.
Markov Decision Processes in Practice, Chapter 9, 269-291, 2017.
- Flexible staffing for call centers with non-stationary arrival rates.
Markov Decision Processes in Practice, Chapter 19, 487-503, 2017.
- Compliance tables for an EMS system with two types of medical response units.
Computers & Operations Research, 80:68-81, 2017.
- Modelling trend progression through an extension of the Polya urn process.
In Advances in Network Science: 12th International Conference and School, 57-67, 2016.
- Predicting candidate uptake for online vacancies.
Proceedings of the 5th Conference on Data Analytics, Venice, IARIA, 63-68, 2016.
- Almost squares in almost squares: solving the final instance.
Proceedings of the 5th Conference on Data Analytics, Venice, IARIA, 69-74, 2016.
- Twitter analytics for the horticulture industry.
Proceeding of the 5th Conference on Data Analytics, Venice, IARIA, 75-79, 2016.
- Value function discovery in Markov decision processes with evolutionary algorithms.
IEEE Transactions on Systems, Man and Cybernetics, 46(9):1190-1201, 2016.
- Dynamic ambulance dispatching: is the closest-idle policy always optimal?
Health Care Management Science, 1-15, 2016.
- The effect of ambulance relocations on the performance of ambulance service providers.
European Journal of Operational Research, 252(1):257-269, 2016.
- How to improve a team's position in the FIFA ranking? - A simulation study.
Journal of Applied Statistics, 43(7):1349-1368, 2016.
- A simulation model for emergency medical services call centers.
In 2015 Winter Simulation Conference (WSC), 844-855, 2015.
- A dynamic ambulance management model for rural areas.
Health Care Management Science, 1-22, 2015.
- On the control of a queueing system with aging state information.
Stochastic Models, 31(4):588-617, 2015.
- Cost-efficient allocation of additional resources for the service placement problem in next-generation Internet.
Mathematical Problems in Engineering, article id 517409, 2015.
- Learning optimal policies in MDPs with value function discovery.
Performance Evaluation Review, 43(2):7-9, 2015.
- An efficient heuristic for real-time ambulance redeployment.
Operations Research for Health Care, 4:27-35, 2015.
- Dynamic server assignment in an extended machine-repair model.
IIE Transactions, 47(4):392-413, 2015.
- Parametric replenishment policies for inventory systems with lost sales and fixed order cost.
European Journal of Operational Research, 241(2):381-390, 2015.
- Optimal appointment scheduling in continuous time: the lag order approximation method.
European Journal of Operational Research, 240(1):213-219, 2015.
- Modelling of trends in Twitter using retweet graph dynamics.
In Algorithms and Models for the Web Graph, 11th International Workshop WAW, Beijing, China, 132-147 2014.
- Circadian Patterns in Twitter.
Proceedings of Data Analytics, Rome, IARIA, 12-17, 2014.
- On structural properties of the value function for an unbounded jump Markov process with an application to a processor sharing retrial queue.
Queueing Systems, 76(4):425-446, 2014.
- Markdown policies for optimizing revenue towards optimal pricing in retail.
Journal of Business and Retail Management Research, 8(1):42-52, 2013.
- A simple index rule for efficient traffic splitting over parallel wireless networks with partial information.
Performance Evaluation, 70(10):889-899, 2013.
- Optimal pricing in retail: a Cox regression approach.
International Journal of Retail and Distribution Management, 41(4):311-320, 2013.
- The predictive power of ranking systems in association football.
International Journal of Applied Pattern Recognition, 1(1):26-46, 2013.
- Optimal resource allocation in survey designs.
European Journal of Operational Research, 226(1):115-121, 2013.
- Structural properties of the optimal resource allocation policy for single-queue systems.
Annals of Operations Research, 202(1):211-233, 2013.
- Trend visualization on Twitter: What's hot and what's not?
Proceedings of Data Analytics, Barcelona, 43-48, IARIA, 2012.
- Optimal balanced control for call centers.
Annals of Operations Research, 201(1):39-62, 2012.
- Approximate dynamic programming techniques for skill-based routing in call centers.
Probability in the Engineering and Informational Sciences, 26(4):581-591, 2012.
- Parameter-dependent convergence bounds and complexity measure for a class of conceptual hydrological models.
Journal of Hydroinformatics, 14(2):443-463, 2012.
- Optimal job splitting in parallel processor sharing queues.
Stochastic Models, 28(1):144-166, 2012.
- Optimal patient and personnel scheduling policies for care-at-home service facilities.
European Journal of Operational Research, 219(3):557-563, 2012. Special issue on Operations Research in Healthcare.
- Dynamic traffic splitting to parallel wireless networks with partial information: a Bayesian approach.
Performance Evaluation, 69(1): 41-52, 2012.
- Optimal resource allocation in synchronized multi-tier Internet services.
Performance Evaluation, 68(11):1072-1084, 2011.
- Optimal resource allocation for multi-queue systems with a shared server pool.
Queueing Systems, 68(2):133-163, 2011.
- Optimal resource allocation for time-reservation systems.
Performance Evaluation, 68(5):414-428, 2011.
- Optimal concurrent access strategies in mobile communication networks.
Proceedings of the 22nd International Teletraffic Congres, 1-7, 2010.
- Approximate Dynamic Programming techniques for the control of time-varying queueing systems applied to call centers with abandonments and retrials.
Probability in the Engineering and Informational Sciences, 24:27-45, 2010.
- Session-level load balancing for high-dimensional systems.
IEEE Transactions on Automatic Control, 54(8):2018-2023, 2009.
- Dynamic thread assignment in web server performance optimization.
Performance Evaluation, 66(6):301-310, 2009.
- Dynamic routing policies for multi-skill call centers.
Probability in the Engineering and Informational Sciences, 23(1):75-99, 2009.
- Gamma frailty model for linkage analysis with application to interval censored migraine data.
Biostatistics, 10:187-200, 2009.
- A method for approximating the variance of the sojourn times in star-shaped queueing networks.
Stochastic Models, 24(3):487-501, 2008.
- A simple staffing method for multi-skill call centers.
Manufacturing and Service Operations Management (MSOM), 10(3):421-428, 2008.
- Simple methods for shift scheduling in multi-skill call centers.
Manufacturing and Service Operations Management (MSOM), 10(3):411-420, 2008.
- Heuristics for the design and optimization of streaming content distribution networks.
Proceedings of IEEE GLOBECOM, Washington DC, November 2007.
- A multiphased approach for modeling and analysis of the BitTorrent protocol.
Proceedings of the 27th IEEE International Conference on Distributed Computing Systems (ICDCS), Toronto, Canada, June 2007.
- Modeling and predicting end-to-end response times in multi-tier Internet applications.
In: Managing Traffic Performance in Converged Networks - the Interplay between Convergent and Divergent Forces,
The 20th International Teletraffic Congres, Lecture Notes in Computer Science, 4516:556-567, 2007.
- Modelling the impact of user mobility on the throughput in networks of wireless 802.11 LANs.
Proceedings of IEEE GLOBECOM, San Francisco, December 2006.
- On the value function of the M/Cox(r)/1 queue.
Journal of Applied Probability, 43(2):363-376, 2006.
- On the uniqueness of solutions to the Poisson equations for average cost Markov chains with unbounded cost functions.
Mathematical Methods of Operations Research, 58:221-236, 2003.
- A queueing model for call blending in call centers.
IEEE Transactions on Automatic Control, 48:1434-1438, 2003.
- On the structure of value functions for threshold policies in queueing models.
Journal of Applied Probability, 40:613-622, 2003.
- On the value of learning for Bernoulli bandits with unknown parameters.
IEEE Transactions on Automatic Control, 45:2135-2140, 2000.
- Open-loop routeing to M parallel servers with no buffers.
Journal of Applied Probability, 37:668-684, 2000.
Other scientific papers
- On the value of learning for Bernoulli bandits with unknown parameters.
Proceeding of the 39th IEEE Conference on Decision and Control, 736-741, 2000.
- Scheduling time-constrained jobs in the presence of background traffic.
Proceeding of the 39th IEEE Conference on Decision and Control, 1421-1426, 2000.
- Optimal routing to M parallel queues with no buffers.
Proceedings of 37th Allerton Conference on Communication, Control and Computing, 1132-1141, 1999.
- Optimal routing problems and multimodularity.
Technical Report RR-3727, INRIA (Sophia-Antipolis), 1999.
Other publications
- Bij welke sociaal-demografische groepen komt suicide het meest voor?
TSG Tijdschr. Gezondheidswet., 2023.
- Predictive analytics: op weg naar volwassenheid.
IBM Inspire, 15:30-31, 2015.
- Van reactieve naar proactieve planning van ambulancediensten.
Nieuw Archief voor de Wiskunde (series 16, part 3), 2015.
- Met Twitter-data bovenop het nieuws.
WisActueel, 2015.
- Pareltjes vinden in de databerg.
Customerfirst!, 2013.
- Kijk verder dan je data lang is.
Emerce Engage, 2012.
- Kans en poker.
Pythagoras, 48(1):15-19, 2008.
- Academia speltheorie: iedereen de pineut.
Natuurwetenschap & techniek, 68-70, 2007.
- Blijft u aan de lijn?
Quest, page 81, 2006.
- Channel Management als strategische succesfactor in bankieren.
Banking Review, 14-21, 2006.
- Web server performance optimization.
AENORM, 53:68-70, 2006.
- Studiegroep wiskunde met de industrie: Brainstormen voor bruikbare wiskunde II.
Nieuw Archief voor de Wiskunde (series 5, part 7), 2:99-105, 2006.
- Over selectieproblemen en weegschema's.
De Nieuwe Wiskrant, 25(3):14-19, 2006.
- Optimal weighing schemes.
Proceedings of the fifty-second European study group with industry, 85-94, 2006.
- From the Big Apple (part III).
Nieuw Archief voor de Wiskunde (series 5, part 4), 2:150, 2003.
- From the Big Apple (part II).
Nieuw Archief voor de Wiskunde (series 5, part 4), 1:74, 2003.
- From the Big Apple (part I).
Nieuw Archief voor de Wiskunde (series 5, part 3), 4:319, 2002.
- Efficient Consumer Response (ECR).
Business Mathematics and Informatics paper, 1997.
Books
Editorial work
- Proceedings of the 7th International Conference on Data Analytics 2018.
Athena, Greece, 2018.
- Proceedings of the 6th International Conference on Data Analytics 2017.
Barcelona, Spain, 2017.
- Proceedings of the 5th International Conference on Data Analytics 2016.
Venice, Italy, 2016.
- Proceedings of the 1st International Conference on Data Analytics 2012.
Barcelona, Spain, 2012.
- Proceedings of the seventy-ninth European study group with industry.
Amsterdam, 2011.
- Proceedings of the fifty-second European study group with industry.
CWI Tract, CWI, Amsterdam, 2005.