Performance framework and multimodal evaluators for the assessment of air-rail networks

A Multi-objective Multigraph A* Algorithm with Online Likely-Admissible Heuristics using Walk-based Shallow Embeddings
Liu, S., Weiszer, M., Zhang, J., Wang, X., Burke, E. K. and Chen, J. 2026. A Multi-objective Multigraph A* Algorithm with Online Likely-Admissible Heuristics using Walk-based Shallow Embeddings. Expert Systems with Applications. 304 30654. https://doi.org//10.1016/j.eswa.2025.130654

Probabilistic approach for the prediction of flight processes with uncertainty quantification – Application to block time
De Falco, P. and Delgado, L. 2026. Probabilistic approach for the prediction of flight processes with uncertainty quantification – Application to block time. Expert Systems with Applications. 297 (Part A) 129313. https://doi.org/10.1016/j.eswa.2025.129313

Green-GEAR Green operations with Geometric altitude, Advanced separation and Green Route charging Solutions
Green-GEAR Consortium, Bauer, T., Schmidt, H., Koloschin, A., Vechtel, D., Zapata-Arenas, D., Hornby, M., Godsell, J., Nelson, D., Jonk, P., Klein Obbink, B., Castelli, L., Gasparin, A., Vascotto, F., Bolic, T., Cook, A.J., Gurtner, G., Delgado, L. and Verbeek, R. 2025. Green-GEAR Green operations with Geometric altitude, Advanced separation and Green Route charging Solutions. 15th SESAR Innovation Days. Bled, Slovenia 01 - 04 Dec 2025 SESAR.

Air-rail multimodal disruption management -- Rail network supporting air disruptions
Weiszer, M., Delgado, L. and Menéndez-Pidal, L. 2025. Air-rail multimodal disruption management -- Rail network supporting air disruptions. SESAR Innovation Days (SIDs) 2025. Bled, Slovenia 01 - 04 Dec 2025 SESAR.

MultiModX - Open Multimodal Performance and Evaluation Tools - Technical Summary
Delgado, L., Weiszer, M., Cook, A.J. and Bolic, T. 2025. MultiModX - Open Multimodal Performance and Evaluation Tools - Technical Summary.

MultiModX - Technical Summary
Weiszer, M., Delgado, L., Cook, A.J., Tchouamou Njoya, E., Kamath, R., Besonovic, N., Szymula, C., Liu, B., Menéndez-Pidal, L. and Perez, V. 2025. MultiModX - Technical Summary.

Strategic multimodal evaluation for air-rail networks
Delgado, L., Weiszer, M., de Boissieur, M., Bueno-González, J. and Menéndez-Pidal, L. 2025. Strategic multimodal evaluation for air-rail networks. Euro Working Group on Transportation Annual Meeting 2025 (EWGT2025). Eninburgh, UK 01 - 03 Sep 2025 Euro Working Group on Transportation Annual Meeting 2025 (EWGT2025).

Analytical Models of Flight Fuel Consumption and Non-CO2 Emissions as a Function of Aircraft Capacity
Montlaur, A., Trapote-Barreira, C. and Delgado, L. 2025. Analytical Models of Flight Fuel Consumption and Non-CO2 Emissions as a Function of Aircraft Capacity . Applied Sciences. 15 (17) 9688. https://doi.org/10.3390/app15179688

MultiModX - An approach for the strategic and tactical evaluation of multimodal networks
Delgado, L. and Weiszer, M. 2025. MultiModX - An approach for the strategic and tactical evaluation of multimodal networks. 12th UIC World Congress on High-Speed Rail. Beijing, China 08 - 11 Jul 2025

Open-Source Tools for Air Traffic Management Modelling and Research Workshop
Delgado, L., Gurtner, G., Bolic, T., Weiszer, M. and Cook, A.J. 2024. Open-Source Tools for Air Traffic Management Modelling and Research Workshop.

Mercury: an open-source simulator for the evaluation of air transport mobility
Gurtner, G., Delgado, L., Cook, A.J., Weiszer, M. and Bolic, T. 2024. Mercury: an open-source simulator for the evaluation of air transport mobility. European Journal of Transport and Infrastructure Research.

Evaluation of passenger connections in air-rail multimodal operations
Weiszer, M., Delgado, L. and Gurtner, G. 2024. Evaluation of passenger connections in air-rail multimodal operations. 14th SESAR Innovation Days. Rome, Italy 12 - 15 Nov 2024 SESAR. https://doi.org/10.34737/wxx30

Multimodal performance assessment – where next?
Cook, A.J. and Delgado, L. 2024. Multimodal performance assessment – where next? 14th SESAR Innovation Days. Rome, Italy 12 - 15 Nov 2024 SESAR. https://doi.org/10.34737/wxx2y

Multimodal air-rail simulation model for evaluation of tactical disruptions
Weiszer, M., Delgado, L. and Gurtner, G. 2024. Multimodal air-rail simulation model for evaluation of tactical disruptions. 27th World Conference of the Air Transport Research Society (ATRS). Lisbon 01 - 05 Jul 2024 ATRS.

Prediction of ATFM impact for individual flights: A machine learning approach
Mas-Pujol, S. and Delgado, L. 2024. Prediction of ATFM impact for individual flights: A machine learning approach. Expert Systems with Applications. 252 (Part A) 124146. https://doi.org/10.1016/j.eswa.2024.124146

Considering Expected TMA Holding into In-flight Trajectory Optimization
Delgado, L., De la Torre, D., Kuljanin, J. and Prats, X. 2024. Considering Expected TMA Holding into In-flight Trajectory Optimization. Transactions of the Japan Society for Aeronautical and Space Sciences. 67 (3), pp. 109-118. https://doi.org/10.2322/tjsass.67.109

Extracting Multi-objective Multigraph Features for the Shortest Path Cost Prediction: Statistics-based or Learning-based?
Songwei Liu, Xinwei Wang, Michal Weiszer and Jun Chen 2024. Extracting Multi-objective Multigraph Features for the Shortest Path Cost Prediction: Statistics-based or Learning-based? Green Energy and Intelligent Transportation. 3 (1) 100129. https://doi.org/10.1016/j.geits.2023.100129

Airlines' network analysis on an air-rail multimodal system
Luis Delgado, Gérald Gurtner, Tatjana Bolić, Cesar Trapote-Barreira and Adeline Montlaur 2023. Airlines' network analysis on an air-rail multimodal system. Journal of Open Aviation Science. 1 (2). https://doi.org/10.59490/joas.2023.7223

European performance assessment –challenges and concepts
Cook, A.J., Delgado, L., Tanner, G., Gurtner, G. and Bolic, T. 2023. European performance assessment –challenges and concepts.

MultiModX - Integrated Passenger-Centric Planning of Multimodal Transport Networks
Gendrot, C., Covrig, A., Herranz, R., Delgado, L. and Ploetner, K. 2023. MultiModX - Integrated Passenger-Centric Planning of Multimodal Transport Networks. 13th SESAR Innovation Days. Seville, Spain 27 - 30 Nov 2023 SESAR.

Mercury - An open-source platform for the evaluation of air transport mobility - presentation
Delgado, L., Gurtner, G., Weiszer, M., Bolic, T. and Cook, A.J. 2023. Mercury - An open-source platform for the evaluation of air transport mobility - presentation. 13th SESAR Innovation Days. Seville, Spain 27 - 30 Nov 2023 SESAR.

Mercury - An open pax & flight simulator
Delgado, L., Gurtner, G., Weiszer, M. and Bolic, T. 2023. Mercury - An open pax & flight simulator. 13th SESAR Innovation Days. Seville, Spain 27 - 30 Nov 2023 SESAR.

Mercury: an open source platform for the evaluation of air transport mobility
Delgado, L., Gurtner, G., Weiszer, M., Bolic, T. and Cook, A.J. 2023. Mercury: an open source platform for the evaluation of air transport mobility. 13th SESAR Innovation Days. Seville, Spain 27 - 30 Nov 2023 SESAR. https://doi.org/10.61009/SID.2023.1.36

Domain-driven multiple-criteria decision-making for flight crew decision support tool
Montlaur, A., Delgado, L. and Prats, X. 2023. Domain-driven multiple-criteria decision-making for flight crew decision support tool. Journal of Air Transport Management. 112 (2023), p. 102463. https://doi.org/10.1016/j.jairtraman.2023.102463

Routing and Scheduling in Multigraphs with Time Constraints -A Memetic Approach for Airport Ground Movement
Lilla Beke, Lourdes Uribe, Adriana Lara, Carlos A. Coello Coello, Michal Weiszer, Edmund K. Burke and Jun Chen 2023. Routing and Scheduling in Multigraphs with Time Constraints -A Memetic Approach for Airport Ground Movement. IEEE Transactions on Evolutionary Computation. 28 (2), pp. 474 - 488. https://doi.org/10.1109/tevc.2023.3262743

Modelling passengers in air-rail multimodality
Delgado, L., Bolic, T., Cook, A.J., Zareian, E., Gregori, E. and Paul, A. 2023. Modelling passengers in air-rail multimodality. 11th EUROSIM Congress. Amsterdam, The Netherlands 03 - 05 Jul 2023

Dispatcher3 – Machine learning to support flight planning processes
Delgado, L., Mas-Pujol, S., Skorobogatov, G., Argerich, C. and Gregori, E. 2022. Dispatcher3 – Machine learning to support flight planning processes. SESAR Innovation Days 2022. Budapest, Hungary 05 - 08 Dec 2022 SESAR.

Dispatcher3 D7.2 - Project communication, dissemination and exploitation rreport
Delgado, L., Tanner, G., Gomez, I. and Argerich Martin, C. 2022. Dispatcher3 D7.2 - Project communication, dissemination and exploitation rreport.

Dispatcher3 D4.4 - Prototype package (final release)
Delgado, L., Argerich Martin, C., Gregori, E., Mas-Pujol, S. and Skorobogatov, G. 2022. Dispatcher3 D4.4 - Prototype package (final release).

Dispatcher3 D4.3 - Architecture and prototype description
Argerich Martin, C., Gregori, E., Mas-Pujol, S., Skorobogatov, G. and Delgado, L. 2022. Dispatcher3 D4.3 - Architecture and prototype description.

Dispatcher3 D5.2 - Verification and validation report
Delgado, L., Kuljanin, J., Mas-Pujol, S., Skorobogatov, G., Argerich Martin, C. and Gregori, E. 2022. Dispatcher3 D5.2 - Verification and validation report.

Dispatcher3 D5.1 - Verification and validation plan
Kuljanin, J., De Homdedeu, J., Valput, D. and Delgado, L. 2022. Dispatcher3 D5.1 - Verification and validation plan.

Dispatcher3 D4.2 - Prototype package (first release) - User manual
Delgado, L., Argerich, C., Gregori, E. and Mas-Pujol, S. 2022. Dispatcher3 D4.2 - Prototype package (first release) - User manual.

Dispatcher3 D4.1 - Technical documentation (first release)
Argerich, C., Gregori, E., Mas-Pujol, S. and Delgado, L. 2022. Dispatcher3 D4.1 - Technical documentation (first release).

Dispatcher3 D3.1 - Data analytics engineering and analytic techniques repor
Argerich, C., Valput, D., Gregori, E., Delgado, L., De Falco, P., Mas-Pujol, S. and Skorobogatov, G. 2022. Dispatcher3 D3.1 - Data analytics engineering and analytic techniques repor.

Challenges of multimodal door-to-door mobility modelling
Delgado, L., Cook, A.J., Zareian, E., Bolic, T., Gregori, E. and Paul, A. 2022. Challenges of multimodal door-to-door mobility modelling. SESAR Innovation Days 2022. Budapest, Hungary 05 - 08 Dec 2022 SESAR.

Modus D5.2 Final project results report
Paul, A., Cook, A.J., Delgado, L., Bolic, T., Zareian, E., Kadour, H., Gregori, E and Correas, A. 2022. Modus D5.2 Final project results report. SESAR.

Modus D4.2 Mobility models description
Zareian, E., Delgado, L., Cook, A.J., Gregori, E, Bolic, T., Kadour, H., Correas, A. and Paul, A. 2022. Modus D4.2 Mobility models description. SESAR.

New mathematical model for extended arrival management capabilities
Soolaki, M., Gurtner, G., Bolic, T. and Delgado, L. 2022. New mathematical model for extended arrival management capabilities. International Conference on Optimization and Decision Science. Florence, Italy 30 Aug - 02 Sep 2022

Dispatcher3 – Machine learning for efficient flight planning - Approach and challenges for data-driven prototypes in air transport
Delgado, L., Mas-Pujol, S., Skorobogatov, G., Argerich, C. and Gregori, E. 2022. Dispatcher3 – Machine learning for efficient flight planning - Approach and challenges for data-driven prototypes in air transport. Towards Sustainable Avitaion Summit (TSAS 2022). Toulouse, France 18 - 20 Oct 2022

Considering TMA holding uncertinaty into in-flight trajectory optimisation
Delgado, L., de la Torre, D., Kuljanin, J. and Prats, X. 2022. Considering TMA holding uncertinaty into in-flight trajectory optimisation. 2022 International Workshop on ATM/CNS (IWAC 2022). Tokyo, Japan 25 - 27 Oct 2022

Pre-Tactical Prediction of ATFM Delay for Individual Flights
Mas-Pujol, S., De Falco, P., Salamí, E. and Delgado, L. 2022. Pre-Tactical Prediction of ATFM Delay for Individual Flights. 41st Digital Avionics Systems Conference (DASC). Portsmouth, VA, USA 18 - 22 Sep 2022 IEEE . https://doi.org/10.1109/DASC55683.2022.9925761

In-Flight Cost Index Optimisation Upon Weather Forecast Updates
Prats, X., de la Torre, D. and Delgado, L. 2022. In-Flight Cost Index Optimisation Upon Weather Forecast Updates. 41st Digital Avionics Systems Conference (DASC). Portsmouth, VA, USA 18 - 22 Sep 2022 IEEE . https://doi.org/10.1109/DASC55683.2022.9925796

Pre-tactical advice using machine learning for Air Traffic Flow Management delay estimation
Mas-Pujol, S., Delgado, L. and De Falco, P. 2022. Pre-tactical advice using machine learning for Air Traffic Flow Management delay estimation. Airline Group of the International Federation of Operational Research Society (AGIFORs). on-line 11 - 13 May 2022

Active Learning for Air Traffic Management Simulation Metamodeling
Riss, C., Antunes, F., Gurtner, G., Camara Pereira, F., Delgado, L. and Azevedo, C. 2022. Active Learning for Air Traffic Management Simulation Metamodeling. Transportation Research Board 101th Annual Meeting. Washington, DC 10 - 10 Jan 2022 Transportation Research Board.

Dispatcher3 - Machine learning to support dispatching processes
Delgado, L. 2022. Dispatcher3 - Machine learning to support dispatching processes. PACEdays 2022. Berlin 10 - 11 May 2022

Pilot3 - Multi-criteria trajectory optimisation final results
Delgado, L. 2022. Pilot3 - Multi-criteria trajectory optimisation final results. PACEdays 2022. Berlin 10 - 11 May 2022

Pilot3 D7.2 - Project communication, dissemination and exploitation report
Delgado, L., De Falco, P., Argerich, C., Valput, D., Gomez, I., Prats, X. and Schultz, R. 2022. Pilot3 D7.2 - Project communication, dissemination and exploitation report.

Pilot3 D5.2 - Verification and validation report
Kuljanin, J., Prats, X., De Homdedeu, J., Montlaur, A., Delgado, L., De Falco, P., Argerich, C., Valput, D. and Schultz, R. 2022. Pilot3 D5.2 - Verification and validation report.

Pilot3 D4.4 - Crew assistant decision model software package (final release) - Pilot3 - User manual
Delgado, L., de la Torre, D. and De Falco, P. 2022. Pilot3 D4.4 - Crew assistant decision model software package (final release) - Pilot3 - User manual.

Pilot3 D4.3 - Crew assistant decision model description (final release)
Delgado, L., de la Torre, D., De Falco, P., de Montlaur, A. and Argerich, C. 2022. Pilot3 D4.3 - Crew assistant decision model description (final release).

A chance-constrained programming model for airport ground movement optimisation with taxi time uncertainties
Xinwei Wang, Alexander E.I. Brownlee, Michal Weiszer, John R. Woodward, Mahdi Mahfouf and Jun Chen 2021. A chance-constrained programming model for airport ground movement optimisation with taxi time uncertainties. Transportation Research Part C: Emerging Technologies. 132 103382. https://doi.org/10.1016/j.trc.2021.103382

Engage D2.6 Annual combined thematic workshops progress report (series 2)
Bolic, T., Cook, A.J., Hernandez, P., Lopez-Catala, P., Schaefer, D., Delgado, L. and Tanner, G. 2021. Engage D2.6 Annual combined thematic workshops progress report (series 2). SESAR.

Active Learning Metamodels for ATM Simulation Modeling
Riss, C., Antunes, F., Gurtner, G., Camara Pereira, F., Delgado, L. and Azevedo, C. 2021. Active Learning Metamodels for ATM Simulation Modeling. 11th SESAR Innovation Days. Virtual 07 - 09 Dec 2021 SESAR.

Dispatcher3 D2.1 - Data definition and processing report
Valput, D., Argerich, C., Hernandez, P., De Falco, P. and Delgado, L. 2021. Dispatcher3 D2.1 - Data definition and processing report.

Pilot3 D5.1 - Verification and validation plan
Delgado, L., Kuljanin, J., Prats, X., Athanasiou, G. and Gurtner, G. 2021. Pilot3 D5.1 - Verification and validation plan.

Pilot3 D4.2 - Crew assistant decision model software package (first release) - Pilot3 - user manual
Delgado, L., De Falco, P. and de la Torre, D. 2021. Pilot3 D4.2 - Crew assistant decision model software package (first release) - Pilot3 - user manual.

Pilot3 D4.1 - Crew assistant decision model description (first release)
Delgado, L. and de la Torre, D. 2021. Pilot3 D4.1 - Crew assistant decision model description (first release).

A software engine for multi-criteria decision support in flight management - Use of dynamic cost functions - Architecture and first results
Delgado, L., De Falco, P., Prats, X., de la Torre, D. and Argerich, C. 2021. A software engine for multi-criteria decision support in flight management - Use of dynamic cost functions - Architecture and first results. 11th SESAR Innovation Days. Virtual 07 - 09 Dec 2021

Machine learning to improve tactical flight decision making - The case of Pilot3
Delgado, L. 2021. Machine learning to improve tactical flight decision making - The case of Pilot3. SESAR Knowledge Transfer Network (Engage), Thematic challenge workshop. on-line 03 - 03 Sep 2021

An agent-based model for air transportation to capture network effects in assessing delay management mechanisms
Gurtner, G., Delgado, L. and Valput, D. 2021. An agent-based model for air transportation to capture network effects in assessing delay management mechanisms. Transportation Research Part C: Emerging Technologies. 133, p. 103358 103358. https://doi.org/10.1016/j.trc.2021.103358

Analytical models for CO2 emissions and travel time for short-to-medium-haul flights considering available seats
Montlaur, A., Delgado, L. and Trapote-Barreira, C. 2021. Analytical models for CO2 emissions and travel time for short-to-medium-haul flights considering available seats. Sustainability. 13 (18) e10401. https://doi.org/10.3390/su131810401

Prediction of reactionary delay and cost using machine learning
De Falco, P. and Delgado, L. 2021. Prediction of reactionary delay and cost using machine learning. Airline group of the International Federation of Operational Research Society.

Network-wide assessment of ATM mechanisms using an agent-based model
Delgado, L., Gurtner, G., Mazzarisi, P., Zaoli, S., Valput, D., Cook, A.J. and Lillo, F. 2021. Network-wide assessment of ATM mechanisms using an agent-based model. Journal of Air Transport Management. 95, p. 102108. https://doi.org/10.1016/j.jairtraman.2021.102108

Estimating economic severity of Air Traffic Flow Management regulations
Delgado, L., Gurtner, G., Bolic, T. and Castelli, L. 2021. Estimating economic severity of Air Traffic Flow Management regulations. Transportation Research Part C: Emerging Technologies. 125 103054. https://doi.org/10.1016/j.trc.2021.103054

Multi-objective routing and scheduling for airport ground movement
Michal Weiszer, Edmund K. Burke and Jun Chen 2020. Multi-objective routing and scheduling for airport ground movement. Transportation Research Part C: Emerging Technologies. 119 102734. https://doi.org/10.1016/j.trc.2020.102734

Dispatcher3 D1.1 - Technical resources and problem definition
Delgado, L., De Falco, P., Valput, D. and Kuljanin, J. 2020. Dispatcher3 D1.1 - Technical resources and problem definition.

Dispatcher3 D7.1 - Project communication, dissemination and exploitation plan
De Falco, P., Delgado, L., Gomez, I. and Lopez, P. 2020. Dispatcher3 D7.1 - Project communication, dissemination and exploitation plan.

Dispatcher3 D8.1 - Project management plan
Delgado, L., Tanner, G. and Valput, D. 2020. Dispatcher3 D8.1 - Project management plan.

Dispatcher3 D8.2 - Proof of signature of Implementation Agreement / SPD Consortium Agreement / Internal Consortium Agreement
Delgado, L. 2020. Dispatcher3 D8.2 - Proof of signature of Implementation Agreement / SPD Consortium Agreement / Internal Consortium Agreement.

Pilot3 D8.2 - Proof of signature of Implementation Agreement / SPD Consortium Agreement / Internal Consortium Agreement
Delgado, L. and Tanner, G. 2020. Pilot3 D8.2 - Proof of signature of Implementation Agreement / SPD Consortium Agreement / Internal Consortium Agreement.

Pilot3 D7.1 - Dissemination, communication and exploitation plan
Gomez, I., Lopez, P. and Delgado, L. 2020. Pilot3 D7.1 - Dissemination, communication and exploitation plan.

Pilot3 D3.1 - Airlines data collection report
Valput, D., Hernandez, P., Martinez, D., Delgado, L. and Kuljanin, J. 2020. Pilot3 D3.1 - Airlines data collection report.

Pilot3 D2.1 - Trade-off report on multi criteria decision making techniques
de Villardi de Montlaur, A., Kuljanin, J., Prats, X., Delgado, L. and Gurtner, G. 2020. Pilot3 D2.1 - Trade-off report on multi criteria decision making techniques.

Dispatcher3: Innovative processing for flight practices
Delgado, L., Valput, D., Prats, X., Botelho, I., Schultz, R. and Cirstica, M. 2020. Dispatcher3: Innovative processing for flight practices. 10th SESAR Innovation Days. Virtual 07 - 10 Dec 2020

Dispatcher3 - Machine learning for flight plan dispatching
Delgado, L. 2020. Dispatcher3 - Machine learning for flight plan dispatching. PACEdays 2020. 06 - 07 Oct 2020

Pilot3 - Software engine model for multi-criteria trajectory optimisation
Delgado, L. 2020. Pilot3 - Software engine model for multi-criteria trajectory optimisation. PACEdays 2020. 06 - 07 Oct 2020

Pilot3: A crew multi-criteria decision support tool – Estimating performance indicators and uncertainty for tactical trajectory management
Delgado, L., Prats, X., Valput, D. and Schultz, R. 2020. Pilot3: A crew multi-criteria decision support tool – Estimating performance indicators and uncertainty for tactical trajectory management. 10th SESAR Innovation Days. Virtual 07 - 10 Dec 2020

Pilot3 crew multi-criteria decision support tool estimating performance indicators and uncertainty
Delgado, L., Gurtner, G. and Cook, A.J. 2020. Pilot3 crew multi-criteria decision support tool estimating performance indicators and uncertainty. Agifors Airline Operations Study Group Meeting 2020. On-line 01 - 05 Jun 2020

Pilot3 D1.1 - Technical resources and problem definition
Delgado, L., Kuljanin, J., de Villardi de Montlaur, A., Prats, X., Martinez, D., Fernandez, A., Schultz, R., Gurtner, G. and Cook, A.J. 2020. Pilot3 D1.1 - Technical resources and problem definition.

Domino D1.2 - Final Project Results Report
Delgado, L., Gurtner, G., Cook, A.J. and Tanner, G. 2020. Domino D1.2 - Final Project Results Report. SESAR.

A multi-layer model for long-term KPI alignment forecasts for the air transportation system
Gurtner, G., Delgado, L., Cook, A.J., Martin, J. and Cristobal, S. 2020. A multi-layer model for long-term KPI alignment forecasts for the air transportation system. Journal of Air Transport Management. 89 101905. https://doi.org/10.1016/j.jairtraman.2020.101905

New centrality and causality metrics assessing air traffic network interactions
Mazzarisi, P., Zaoli, S., Lillo, F., Delgado, L. and Gurtner, G. 2020. New centrality and causality metrics assessing air traffic network interactions. Journal of Air Transport Management. 85 (2020) 101801. https://doi.org/10.1016/j.jairtraman.2020.101801

Flight and passenger efficiency-fairness trade-off for ATFM delay assignment
de Villardi de Montlaur, A. and Delgado, L. 2020. Flight and passenger efficiency-fairness trade-off for ATFM delay assignment. Journal of Air Transport Management. 83, p. 101758 101758. https://doi.org/10.1016/j.jairtraman.2019.101758

Domino D3.3 - Adaptive case studies description
Delgado, L., Gurtner, G., Zaoli, S., Mazzarisi, P., Valput, D., Tanner, G., Cook, A.J. and Lillo, F. 2019. Domino D3.3 - Adaptive case studies description.

Domino D5.3 Final tool and model description, and case studies results
Delgado, L., Gurtner, G., Zaoli, S., Mazzarisi, P., Valput, D., Cook, A.J. and Lillo, F. 2019. Domino D5.3 Final tool and model description, and case studies results. SESAR.

Modelling the coupling of ATM systems
Cook, A.J., Gurtner, G. and Delgado, L. 2019. Modelling the coupling of ATM systems. Airspace Users Workshop. EUROCONTROL Experimental Centre, Brétigny-sur-Orge, France 07 May 2019

Assessing ATM impacts and interactions
Gurtner, G., Delgado, L. and Cook, A.J. 2019. Assessing ATM impacts and interactions. SESAR ER project ‘Domino’ workshop. Brussels, Belgium 04 Jun 2019

Network-wide assessment of 4D trajectory adjustments using an agent-based model
Delgado, L., Gurtner, G., Cook, A.J. and Lillo, F. 2019. Network-wide assessment of 4D trajectory adjustments using an agent-based model . SESAR Innovation Days. Athens, Greece 02 - 06 Dec 2019 SESAR.

Domino D6.3 - Workshop results summary
Delgado, L., Gurtner, G., Cook, A.J. and Tanner, G. 2019. Domino D6.3 - Workshop results summary. SESAR.

Domino D2.2 - Database structure
Delgado, L., Gurtner, G., Bolic, T., Bassi, P. and Cook, A.J. 2019. Domino D2.2 - Database structure. SESAR.

Domino D5.2 - Investigative case studies results
Lillo, F., Mazzarisi, P., Zaoli, S., Delgado, L., Gurtner, G., Valput, D., Cook, A.J. and Tanner, G. 2019. Domino D5.2 - Investigative case studies results. SESAR.

Domino D5.1 - Metrics and analysis approach
Lillo, F., Mazzarisi, P., Zaoli, S., Delgado, L., Gurtner, G., Cook, A.J. and Castelli, L. 2019. Domino D5.1 - Metrics and analysis approach. SESAR.

Enhanced Demand and Capacity Balancing based on Alternative Trajectory Options and Traffic Volume Hotspot Detection
Melgosa, M., Prats, X., Xu, Y. and Delgado, L. 2019. Enhanced Demand and Capacity Balancing based on Alternative Trajectory Options and Traffic Volume Hotspot Detection. 38th Digital Avionics Systems Conference. San Diego, California 08 - 12 Sep 2019 IEEE . https://doi.org/10.1109/DASC43569.2019.9081803

An online speed profile generation approach for efficient airport ground movement
Tianci Zhang, Meng Ding, Hongfu Zuo, Jun Chen, Michal Weiszer, Xiaoyan Qian and Edmund K. Burke 2018. An online speed profile generation approach for efficient airport ground movement. Transportation Research Part C: Emerging Technologies. 93, pp. 256-272. https://doi.org/10.1016/j.trc.2018.05.030

Preference-based evolutionary algorithm for airport surface operations
Michal Weiszer, Jun Chen, Paul Stewart and Xuejun Zhang 2018. Preference-based evolutionary algorithm for airport surface operations. Transportation Research Part C: Emerging Technologies. 91, pp. 296-316. https://doi.org/10.1016/j.trc.2018.04.008

Vista D6.3 - Stakeholder consultation on initial assessment
Delgado, L., Gurtner, G. and Tanner, G. 2018. Vista D6.3 - Stakeholder consultation on initial assessment. SESAR.

Domino D6.2 - Stakeholders' consultation on system and investigative case studies
Delgado, L., Tanner, G., Gurtner, G. and Cook, A.J. 2018. Domino D6.2 - Stakeholders' consultation on system and investigative case studies.

Domino D3.2 - Investigative case studies description
Delgado, L., Gurtner, G., Cook, A.J., Pilon, N. and Tanner, G. 2018. Domino D3.2 - Investigative case studies description.

Domino D4.1 - Initial model design
Delgado, L., Gurtner, G., Cook, A.J., Pilon, N., Valput, D., Cristobal, S. and Tanner, G. 2018. Domino D4.1 - Initial model design.

Vista D1.2 - Final Project Results Report
Cook, A.J., Gurtner, G., Delgado, L. and Tanner, G. 2018. Vista D1.2 - Final Project Results Report. SESAR.

Vista D5.2 - Final Assessment Report
Delgado, L., Gurtner, G., Cristobal, S., Martín, J. and Cook, A.J. 2018. Vista D5.2 - Final Assessment Report. SESAR.

A multi-layer model for long-term KPI aligment forecast
Gurtner, G., Delgado, L., Cook, A.J., Martín, J. and Cristobal, S. 2018. A multi-layer model for long-term KPI aligment forecast. 8th SESAR Innovation Days. Salzburg 03 - 06 Dec 2018 SESAR.

Airline disruption management with aircraft swapping and reinforcement learning
Hondet, G., Delgado, L. and Gurtner, G. 2018. Airline disruption management with aircraft swapping and reinforcement learning. 8th SESAR Innovation Days. Salzburg 03 - 06 Dec 2018 SESAR.

Towards new metrics assessing air traffic network interactions
Mazzarisi, P., Zaoli, S., Lillo, F., Delgado, L. and Gurtner, G. 2018. Towards new metrics assessing air traffic network interactions. 8th SESAR Innovation Days. Salzburg 03 - 06 Dec 2018

Arrival trade-offs considering total flight and passenger delays and fairness
de Villardi de Montlaur, A. and Delgado, L. 2018. Arrival trade-offs considering total flight and passenger delays and fairness. 8th SESAR Innovation Days. Salzburg 03 - 06 Dec 2018 SESAR.

D2.1 – Establishment of Performance Framework
Cook, A.J., Tanner, G., Gurtner, G., Delgado, L. and Cristobal, S. 2018. D2.1 – Establishment of Performance Framework. http://h2020camera.eu/ Innaxis.

Domino D6.2 - Stakeholders' consultation on system and investigative case studies
Delgado, L., Gurtner, G., Tanner, G. and Cook, A.J. 2018. Domino D6.2 - Stakeholders' consultation on system and investigative case studies.

Domino D3.1 - Architecture definition
Delgado, L., Gurtner, G., Valput, D., Pilon, N., Guichard, L., Cook, A.J. and Tanner, G. 2018. Domino D3.1 - Architecture definition.

Domino D2.1 - Data management and sources
Bolic, T., Castelli, L., Delgado, L., Gurtner, G., Tanner, G. and Cook, A.J. 2018. Domino D2.1 - Data management and sources.

Domino D6.1 - Dissemination plan and project visual identity
Ureta, H., Gomez, I., Tanner, G., Delgado, L., Guichard, L., Bolic, T., Lillo, F. and Cook, A.J. 2018. Domino D6.1 - Dissemination plan and project visual identity.

Domino D1.1 - Project Management Plan
Delgado, L., Gurtner, G., Tanner, G., Cook, A.J., Guichard, L., Bolic, T., Lillo, F. and Cristobal, S. 2018. Domino D1.1 - Project Management Plan.

The door to door perspective
Delgado, L. and Belkoura, S. 2018. The door to door perspective. 8th International Conference on Research in Air Transport (ICRAT). Universitat Politècnica de Catalunya, Castelldefels, Catalonia, Spain 26 - 29 Jun 2018

Weather Impact on Airport Performance
Schultz, M., Lorenz, S., Schmitz, R. and Delgado, L. 2018. Weather Impact on Airport Performance. Aerospace. 5 (4) 109. https://doi.org/10.3390/aerospace5040109

Vista D5.1 - Initial Assessment Report
Delgado, L., Gurtner, G., Cristobal, S., Martín, J. and Cook, A.J. 2018. Vista D5.1 - Initial Assessment Report.

Vista D2.1 Supporting Data for Business and Regulatory Scenarios Report
Delgado, L., Gurtner, G., Cook, A.J., Plets, H., Perez, D., Cristobal, S., Triska, A., Patey, S. and Andrésson, E.I. 2017. Vista D2.1 Supporting Data for Business and Regulatory Scenarios Report.

Vista D6.2 - Stakeholder Consultation on Business and Regulatory Scenarios
Delgado, L., Gurtner, G. and Tanner, G. 2017. Vista D6.2 - Stakeholder Consultation on Business and Regulatory Scenarios.

Building a Holistic ATM Model for Future KPI Trade-Offs
Gurtner, G., Delgado, L., Cook, A.J., Martin, J., Cristobal, S. and Plets, H. 2017. Building a Holistic ATM Model for Future KPI Trade-Offs. Schaefer, D. (ed.) SESAR Innovation Days 2017. Belgrade, Serbia 28 - 30 Nov 2017 SESAR.

Building a Holistic ATM Model for Future KPI Trade-Offs
Gurtner, G., Delgado, L., Cook, A.J., Martin, J., Cristobal, S. and Plets, H. 2017. Building a Holistic ATM Model for Future KPI Trade-Offs. Schaefer, D. (ed.) SESAR Innovation Days 2017. Belgrade, Serbia 28 - 30 Nov 2017 SESAR.

Indicator development: how could we improve existing indicators and which new ones do we need?
Cook, A.J., Gurtner, G. and Delgado, L. 2017. Indicator development: how could we improve existing indicators and which new ones do we need? Vista Workshop. Vienna, Austria 23 - 23 Oct 2017

The Vista model: the challenges of building a holistic model across the strategic, pre-tactical and tactical phases of ATM
Gurtner, G., Cook, A.J. and Delgado, L. 2017. The Vista model: the challenges of building a holistic model across the strategic, pre-tactical and tactical phases of ATM. Vista Workshop. Vienna, Austria 23 - 23 Oct 2017

Modelling the 2035 and 2050 timeframes: key business and regulatory factors to be considered
Delgado, L., Gurtner, G. and Cook, A.J. 2017. Modelling the 2035 and 2050 timeframes: key business and regulatory factors to be considered. Vista workshop. Vienna, Austria 23 Oct 2017

Modelling strategic trade-offs - insights into the SESAR ‘Vista’ project
Cook, A.J., Delgado, L. and Gurtner, G. 2017. Modelling strategic trade-offs - insights into the SESAR ‘Vista’ project . AGIFORS 57th Annual Symposium. London 02 - 06 Oct 2017

Vista - market forces trade‐offs impacting European ATM performance
Delgado, L., Gurtner, G. and Cook, A.J. 2017. Vista - market forces trade‐offs impacting European ATM performance. COCTA Workshop: Improving Performance in ATM – Innovative institutions, mechanisms and incentives. Frankfurt, Germany 27 Sep 2017

Vista D4.1 - Initial Framework Definition
Delgado, L., Gurtner, G., Cook, A.J., Cristobal, S. and Martin, J. 2017. Vista D4.1 - Initial Framework Definition.

Vista D3.1 - Business and Regulatory Scenarios Report
Delgado, L., Gurtner, G., Cook, A.J., Plets, H., Huet, D., Perez, D., Cristobal, S., Triska, A, Patey, S. and Andresson, E. I. 2017. Vista D3.1 - Business and Regulatory Scenarios Report.

Flight and passenger delay assignment optimization strategies
Montlaur, A. and Delgado, L. 2017. Flight and passenger delay assignment optimization strategies. Transportation Research Part C: Emerging Technologies. 81, pp. 99-117. https://doi.org/10.1016/j.trc.2017.05.011

CASSIOPEIA II D3.2 - Final technical report
Delgado, L., Blanch, A., Cristobal, S. and Martín, J. 2016. CASSIOPEIA II D3.2 - Final technical report.

CASSIOPEIA II D2.2 - Platform extension report v2
Delgado, L., Martín, J. and Blanch, A. 2016. CASSIOPEIA II D2.2 - Platform extension report v2.

ComplexityCosts D4.5 - Final Technical Report
Delgado, L., Cristobal, S., Cook, A.J. and Tanner, G. 2016. ComplexityCosts D4.5 - Final Technical Report.

ComplexityCosts D3.2 - Investment trade-offs
Delgado, L., Cristobal, S., Cook, A.J., Tanner, G. and Schultz, M. 2016. ComplexityCosts D3.2 - Investment trade-offs.

DATASET2050 D4.2 - Future supply profile
Tanner, G., Cook, A.J., Gurtner, G., Graham, A., Delgado, L., Cristobal, S., Ureta, H., Paul, A., Kluge, U., Mennig, P. and Hullah, P. 2016. DATASET2050 D4.2 - Future supply profile.

DATASET2050 D2.1 - Data requirements and acquisition
Tanner, G., Cook, A.J., Delgado, L., Graham, A., Cristobal, S., Ureta, H. and Paul, A. 2016. DATASET2050 D2.1 - Data requirements and acquisition.

Hub operations delay recovery based on cost optimisation - Dynamic cost indexing and waiting for passengers strategies
Delgado, L., Martin, J., Blanch, A. and Cristobal, S. 2016. Hub operations delay recovery based on cost optimisation - Dynamic cost indexing and waiting for passengers strategies. Sixth SESAR Innovation Days. Delft 08 - 10 Nov 2016 SESAR.

Quantifying resilience in ATM - contrasting the impacts of four mechanisms during disturbance
Delgado, L., Cook, A.J., Tanner, G. and Cristobal, S. 2016. Quantifying resilience in ATM - contrasting the impacts of four mechanisms during disturbance. Schaefer, D. (ed.) Sixth SESAR Innovation Days. Delft, Netherlands 08 - 10 Nov 2016 SESAR.

Measuring the cost of resilience
Cook, A.J., Delgado, L., Tanner, G. and Cristobal, S. 2016. Measuring the cost of resilience. Journal of Air Transport Management. 56 (A), pp. 38-47. https://doi.org/10.1016/j.jairtraman.2016.02.007

CASSIOPEIA II D2.1 - Platform extension report v1
Delgado, L., Lansorena, I. and Blanch, A. 2015. CASSIOPEIA II D2.1 - Platform extension report v1.

CASSIOPEIA II D1.1 - Dataset Management and Case Study Design
Delgado, L. and Blanch, A. 2015. CASSIOPEIA II D1.1 - Dataset Management and Case Study Design.

ComplexityCosts D3.1 - Scenario Definition
Delgado, L., Cook, A.J., Tanner, G., Cristobal, S. and Schultz, M. 2015. ComplexityCosts D3.1 - Scenario Definition.

ComplexityCosts D2.2 - Model Implementation
Cristobal, S., Delgado, L., Tanner, G., Cook, A.J., Pérez, D. and Montlaur, A. 2015. ComplexityCosts D2.2 - Model Implementation.

ComplexityCosts D2.1 - Theoretical Stochastic Layered Network Model
Blanch, A., Cook, A.J., Cristobal, S., Delgado, L., Fürstenau, N. and Tanner, G. 2015. ComplexityCosts D2.1 - Theoretical Stochastic Layered Network Model.

SATURN D1.2 - Data Management (update report)
Andrić, V., Babić, O., Castelli, L., Corolli, L., Delgado, L., Ivanov, N., Jovanović, R., Marcotte, E., Netjasov, F., Rigonat, D., Tanner, G., Tošić, V. and Živanović, M. 2015. SATURN D1.2 - Data Management (update report).

European route choice determinants: Examining fuel and route charge trade-offs
Delgado, L. 2015. European route choice determinants: Examining fuel and route charge trade-offs. 11th USA/Europe Air Traffic Management Research and Development Seminar. Lisbon 23 - 26 Jun 2015

Controller time and delay costs - a trade-off analysis
Delgado, L., Cook, A., Cristobal, S. and Plets, H. 2015. Controller time and delay costs - a trade-off analysis. Schaefer, D. (ed.) Fifth SESAR Innovation Days. Bologna 01 - 03 Dec 2015 SESAR.

Delay Assignment Optimization Strategies at Pre- Tactical and Tactical Levels
Montlaur, A. and Delgado, L. 2015. Delay Assignment Optimization Strategies at Pre- Tactical and Tactical Levels. Fifth SESAR Innovation Day. Bologna 01 - 03 Dec 2015

CASSIOPEIA II D3.1 - Performance indicators and scenarios
Delgado, L. 2014. CASSIOPEIA II D3.1 - Performance indicators and scenarios.

ComplexityCosts D1.3 - Interim data requirements and scoping
Cook, A.J., Blanch, A., Cristobal, S., Delgado, L., Förster, P., Straube, K. and Tanner, G. 2014. ComplexityCosts D1.3 - Interim data requirements and scoping.

ComplexityCosts D1.2 - Design mechanisms and cost allocations
Cook, A.J., Blanch, A., Cristobal, S., Delgado, L., Förster, P., Pérez, D. and Tanner, G. 2014. ComplexityCosts D1.2 - Design mechanisms and cost allocations.

SATURN D2.1 - Future airspace congestion - a users' discussion guide
Babić, O., Bolić, T., Castelli, L., Cook, A.J., Corolli, L., Delgado, L., Jovanović, R., Labbé, M., Lazarević, M., Marcotte, E., Netjasov, F., Rigonat, D., Tanner, G. and Tošić, V. 2014. SATURN D2.1 - Future airspace congestion - a users' discussion guide.

SATURN D1.1 - Data Management (main report)
Babić, O., Bolić, T., Castelli, L., Cook, A.J., Delgado, L., Ivanov, N., Jovanović, R., Marcotte, E., Rigonat, D., Tanner, G. and Tošić, V. 2014. SATURN D1.1 - Data Management (main report).

Agent-based simulation framework for airport collaborative decision making
Garcia, I., Valero, M., Prats, X. and Delgado, L. 2014. Agent-based simulation framework for airport collaborative decision making. 6th International Conference on Research in Air Transportation. Istanbul 26 - 30 May 2014

What cost reslience?
Cook, A.J., Delgado, L., Cristobal, S. and Blanch, A. 2014. What cost reslience? Schaefer, D. (ed.) Fourth SESAR Innovation Days. Madrid 25 - 27 Nov 2014 SESAR.

Operating cost based cruise speed reduction for ground delay programs: Effect of scope length
Delgado, L. and Prats, X. 2014. Operating cost based cruise speed reduction for ground delay programs: Effect of scope length. Transportation Research Part C: Emerging Technologies. 48, pp. 437-452. https://doi.org/10.1016/j.trc.2014.09.015

Introducing use cases in a small organization: An experience and lessons learned
Costal, D., Franch, X., Rodríguez, N., Delgado, L. and Jiménez, C. 2013. Introducing use cases in a small organization: An experience and lessons learned. Proceedings of the XVI IberoAmerican Conference on Software Engineering Steering Committee (CibSE). Montevideo 08 - 10 Apr 2013 CIbSE - IberoAmerican Conference on Software Engineering Steering Committee.

Effect of radii of exemption on ground delay programs with operating cost based cruise speed reduction
Delgado, L. and Prats, X. 2013. Effect of radii of exemption on ground delay programs with operating cost based cruise speed reduction. Tenth USA/Europe Air Traffic Management Research and Development Seminar (ATM2013). Chicago 10 - 13 Jun 2013

Enabling Leg-Based Guidance on Top of Waypoint-Based Autopilots for UAS
Prats, X., Santamaria, E., Delgado, L., Trillo, N. and Pastro, E. 2013. Enabling Leg-Based Guidance on Top of Waypoint-Based Autopilots for UAS. Aerospace Science and Technology. 24 (1), pp. 95-100. https://doi.org/10.1016/j.ast.2011.09.006

Effect of wind on operating-cost-based cruise speed reduction for delay absorption
Delgado, L. and Prats, X. 2013. Effect of wind on operating-cost-based cruise speed reduction for delay absorption. IEEE Transactions on Intelligent Transportation Systems. 14 (2), pp. 918-927. https://doi.org/10.1109/tits.2013.2246864

Cruise Speed Reduction for Ground Delay Programs: A Case Study for San Francisco International Airport Arrivals
Delgado, L., Prats, X. and Sridhar, B. 2013. Cruise Speed Reduction for Ground Delay Programs: A Case Study for San Francisco International Airport Arrivals. Transportation Research Part C: Emerging Technologies. 36, pp. 83-96. https://doi.org/10.1016/j.trc.2013.07.011

Regulations and Requirements
Prats, X., Ramírez, J., Delgado, L. and Royo, P. 2012. Regulations and Requirements. in: Angelov, P. (ed.) Sense and Avoid in UAS: Research and Applications Wiley. pp. 85-117

ATFM airborne delays without extra fuel consumption in wind conditions
Delgado, L. and Prats, X. 2012. ATFM airborne delays without extra fuel consumption in wind conditions. 5th International Conference on Research and Air Transportation (ICRAT). Berkeley, California 22 - 25 May 2012

Requirements, issues, and challenges for sense and avoid in unmanned aircraft systems
Prats, X., Delgado, L., Ramírez, J., Royo, P. and Pastor, E. 2012. Requirements, issues, and challenges for sense and avoid in unmanned aircraft systems. Journal of Aircraft. 49 (3), pp. 677-687. https://doi.org/10.2514/1.c031606

En route speed reduction concept for absorbing air traffic flow management delays
Delgado, L. and Prats, X. 2012. En route speed reduction concept for absorbing air traffic flow management delays. Journal of Aircraft. 49 (1), pp. 214-224. https://doi.org/10.2514/1.c031484

Simulation of airborne ATFM delay and delay recovery by cruise speed reduction
Delgado, L. and Prats, X. 2011. Simulation of airborne ATFM delay and delay recovery by cruise speed reduction. 1st SESAR Innovation Days. Toulouse, France 29 Nov - 01 Dec 2011

Depart and approach procedures for UAS in a VFR environment
Pastor, E., Royo, P., Delgado, L., Perez, M., Barrado, C. and Prats, X. 2011. Depart and approach procedures for UAS in a VFR environment. Garcia, E., Majumdar, A., Palanque, P., Pasquini, A., Saez, F.J. and Winckler, M. (ed.) 1st International Conference on Applications and Theory of Automation in Command and Control Systems (ATACCS). Barcelona, Spain 26 - 27 May 2011 IRIT Press.

Departure and approach procedures for unmanned aircraft systems in a visual-flight-rule environment
Prats, X., Delgado, L., Royo, P., Pérez-Batlle, M. and Pastor, E. 2011. Departure and approach procedures for unmanned aircraft systems in a visual-flight-rule environment. Journal of Aircraft. 48 (4), pp. 1280-1290. https://doi.org/10.2514/1.c031264

An assesment for UAS traffic awareness operations
Pastor, E., Prats, X. and Delgado, L. 2010. An assesment for UAS traffic awareness operations. 27th Congress of the International Council of the Aeronautical Sciences (ICAS). Nice, France 19 - 24 Sep 2010

An optimisation framework for aircraft operators dealing with capacity-demand imbalances in SESAR
Delgado, L. and Prats, X. 2010. An optimisation framework for aircraft operators dealing with capacity-demand imbalances in SESAR. 4th International Conference for Research in Air Transportation. Budapest, Hungary 01 - 04 Jun 2010

UAS pilot support for departure, approach and airfield operations
Pastor, E., Prats, X., Royo, P., Delgado, L. and Santamaria, E. 2010. UAS pilot support for departure, approach and airfield operations. IEEE Aerospace Conference. Big Sky, Montana 06 - 13 Mar 2010 IEEE . https://doi.org/10.1109/aero.2010.5446796

An assessment for UAS depart and approach operations
Delgado, L., Prats, X., Ferraz, C., Royo, P. and Pastor, E. 2009. An assessment for UAS depart and approach operations. 9th AIAA Aviation Technology, Integration and Operations Conference (ATIO). Hilton Head, South Carolina 21 - 23 Sep 2009 American Institute of Aeronautics and Astronautics. https://doi.org/10.2514/6.2009-6922

En-route speed reduction for the mangement of ATFM delays
Delgado, L. 2009. En-route speed reduction for the mangement of ATFM delays. 9th AIAA Aviation Technology, Integration and Operations (ATIO) Conference, Aircraft Noise and Emissions Reduction Symposium (ANERS). https://doi.org/10.2514/6.2009-6924

Fuel consumption assessment for speed variation concepts during the cruise phase
Delgado, L. and Prats, X. 2009. Fuel consumption assessment for speed variation concepts during the cruise phase. ATM Economics Conference. Belgrade, Serbia 05 - 09 Oct 2009

Automatic reading of aeronautical meteorological messages
Delgado, L. and Castell, N. 2007. Automatic reading of aeronautical meteorological messages. Angulo, C. and Godo, L. (ed.) International Conference of the Catalan Association for Artificial Intelligence. Sant Julia de Loira, Andorra 25 - 26 Oct 2007 IOS Press.