Patrick Janssen

Head of Research
Packhunt
Amsterdam, The Netherlands

Books and Journals

Wang, L, De Luca, F, Janssen, P, Bui, TDP, Chen, KW, and Yuan, C (2025) A Cross-Platform Optimization System for Comparative Design Exploration of Competing Concepts and Strategies, Journal of Building Engineering, 115 , pp. 114413. , Link

Wang, L, Stouffs, R, and Janssen, P (2025) Integrating Computational Design Optimization Into Architectural Design Pedagogy — An Experimental Course for Performance-Based Building Design Optimization and Exploration, Computer Applications in Engineering Education, 33 (3) , pp. e70028. , Link

Wang, L, Janssen, P, and Ji, G (2024) Optimization-Based Design Exploration of Building Massing Typologies — EvoMass and a Typology-Oriented Computational Design Optimization Method for Early-Stage Performance-Based Building Massing Design, Frontiers of Architectural Research, 13 (6) , pp. 1400-1422. , Link

Lei, B, Janssen, P, Stoter, J, and Biljecki, F (2023) Challenges of Urban Digital Twins: A Systematic Review and a Delphi Expert Survey, Automation in Construction, 147 , pp. 104716. , Link

Wang, L, Bui, TDP, and Janssen, P (2023) A Design Ranking Method for Many-Objective Evolutionary Optimization, Computer-Aided Architectural Design. INTERCONNECTIONS: Co-computing Beyond Boundaries (CAAD Futures 2023), Communications in Computer and Information Science, Springer, pp. 159-173. , Link

Wang, L, Janssen, P, and Chen, KW (2023) Evolutionary Optimization of Benchmarks: Parametric Typologies for Generating Typical Designs, Design Computing and Cognition'22, Springer, pp. 699-717. , Link

Janssen, P, Bui, TDP, and Wang, L (2022) Möbius Evolver: Competitive Exploration of Urban Massing Strategies, Artificial Intelligence in Urban Planning and Design: Technologies, Implementation, and Impacts, Elsevier, pp. 293-321. ResearchGate , Link

Chen, KW, Janssen, P, Aviv, D, Ninsalam, Y, and Meggers, F (2022) A Framework for Considering the Use of Computational Design Technologies in the Built Environment Design Process, Journal of Information Technology in Construction (ITcon), 27 , pp. 1010-1027. , Link

Yap, W, Janssen, P, and Biljecki, F (2022) Free and Open Source Urbanism: Software for Urban Planning Practice, Computers, Environment and Urban Systems, 96 , pp. 101825. , Link

Wang, L, Ji, G, Tong, Z, and Janssen, P (2022) Towards Performance-based Building Design Optimization and Exploration: An Introduction to EvoMass (面向建筑性能的设计优化及设计探索——EvoMass工具简介), Xinjianzhu/New Architecture, 3 , pp. 84-89. ResearchGate , Link

Chen, J, Alva, P, Stouffs, R, and Janssen, P (2021) Agile Automated Modelling: A Novel Geo-computational Methodology for Automating Planning Tasks, Xinjianzhu/New Architecture, 2 , pp. 16-23. ResearchGate , Link

Biljecki, F, Lim, J, Crawford, J, Moraru, D, Tauscher, H, Konde, A, Adouane, K, Lawrence, S, Janssen, P, and Stouffs, R (2021) Extending CityGML for IFC-sourced 3D city models, Automation in Construction, 121 , pp. 103440. ResearchGate , PDF , Link

Sood, T, Janssen, P, and Miller, C (2020) Spacematch: Using Environmental Preferences to Match Occupants to Suitable Activity-Based Workspaces, Frontiers in Built Environment 6, 6 , pp. 113. ResearchGate , Link

Wang, LK, Janssen, P, and Ji, G (2020) SSIEA: A hybrid evolutionary algorithm for supporting conceptual architectural design, Artificial Intelligence for Engineering Design, Analysis and Manufacturing, 34 (4) , pp. 458-476. ResearchGate , Link

Lim, J, Janssen, P, and Biljecki, F (2020) Visualising detailed CityGML and ADE at the building scale, Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIV-4/W1-2020 , pp. 83-90. ResearchGate , PDF , Link

Alva, P, Janssen, P, and Stouffs, R (2019) Geospatial Tool-Chains: Planning Support Systems for Organisational Teams, International Journal of Architectural Computing, 17 (4) , pp. 336-356. ResearchGate , Link

Wang, L, Janssen, P, Chen, KW, Tong, Z, and Ji, G (2019) Subtractive Building Massing for Performance-Based Architectural Design Exploration: A Case Study of Daylighting Optimization, Sustainability, 11 (24) , pp. 6965. ResearchGate , Link

Adouane, K, Stouffs, R, Janssen, P, and Domer, B (2019) A model-based approach to convert a building BIM-IFC data set model into CityGML, Spatial Science, 69 (2) , pp. 1-24. ResearchGate , PDF , Link

Chen, KW, Janssen, P, and Schlueter, A (2018) Multi-Objective Optimisation of Building Form, Envelope and Cooling System for Improved Building Energy Performance, Automation in Construction, pp. 449-457. ResearchGate , Link

Wang, L, Janssen, P, and Ji, G (2018) Utility of Evolutionary Design in Architecture: An Investigation into Constraint Handling Strategies, Design Computing and Cognition (DCC’18), 8 , pp. 177-194. ResearchGate , Link

Stouffs, R, and Janssen, P (2017) Rethinking Urban Practices: Designing for Jurong Vision 2050, CASA Centre for Advanced Studies in Architecture, NUS. ResearchGate , PDF

Stouffs, R, and Janssen, P (2017) A Rule-Based Generative Analysis Approach for Urban Planning, Morphological Analysis of Cultural DNA: Tools for Decoding Culture-Embedded Forms, pp. 125-136. ResearchGate , PDF , Link

Janssen, P (2015) Dexen: A scalable and extensible platform for experimenting with population-based design exploration algorithms, AI EDAM, 29 (4) , pp. 443–455. ResearchGate , Link

Choo, TS, and Janssen, P (2014) Evolutionary Optimisation of Semi-transparent Building Integrated Photovoltaic Facades, International Journal of Architectural Computing, 12 (1) , pp. 81–100. ResearchGate , Link

Janssen, P, Stouffs, R, Chaszar, A, Boeykens, S, and Toth, B (2014) Custom Digital Workflows with User-defined Data Transformations via Property Graphs, Design Computation Cognition (DCC’14), 6 , pp. 559–578. ResearchGate , PDF , Link

Toth, B, Janssen, P, Stouffs, R, Chaszar, A, and Boeykens, S (2012) Custom Digital Workflows: A New Framework for Design Analysis Integration, International Journal of Architectural Computing, 10 (4) , pp. 481–500. ResearchGate , PDF , Link

Zhang, J, Heng, CK, Malone-Lee, LC, Hii, DJC, Janssen, P, Leung, KS, and Tan, BK (2012) Evaluating environmental implications of density: A comparative case study on the relationship between density, urban block typology and sky exposure, Automation in Construction, 22 , pp. 90–101. ResearchGate , Link

Bhatt, A, Janssen, P, and Schoch, O (2008) Editorial, International Journal of Architectural Computing, 6 (4) , pp. 3–4. ResearchGate , PDF , Link

Janssen, P (2006) A Generative Evolutionary Design Method, Digital Creativity, 17 (1) , pp. 49–63. ResearchGate , Link

Janssen, P (2006) The Role of Preconceptions in Design, Design Computing and Cognition (DCC’06), 2 , pp. 365–383. ResearchGate , Link

Janssen, P, and Frazer, J (2005) A Framework For Generating And Evolving Building Designs, International Journal of Architectural Computing, 3 (4) , pp. 449–470. ResearchGate , Link

Frazer, J, and Janssen, P (2003) Generative and Evolutionary Models for Design, Communication and Cognition: Organic Aesthetics and Generative Methods in Architectural Design, 36 (3/4) , pp. 187–215. ResearchGate , PDF , Link

Janssen, P, Frazer, J, and Tang, MX (2002) Evolutionary Design Systems and Generative Processes, Applied Intelligence: International Journal of Artificial Intelligence, Neural Networks, and Complex Problem-Solving Technologies, 16 (2) , pp. 119–128. ResearchGate , PDF , Link

Editor

Janssen, P, Herr, C, and Stouffs, R (Eds.), (2018) Special Issue: Protocols, Flows, and Glitches , International Journal of Architectural Computing (IJAC) , 16 (3) . ResearchGate , Link

Fukuda, T, Huang, W, Janssen, P, Crolla, K, and Alhadidi, S (Eds.), (2018) Learning, Adapting and Prototyping , Proceedings of the 23rd International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2018) . ResearchGate , Cumincad

Janssen, P, Loh, P, Raonic, A, and Schnabel, MA (Eds.), (2017) Protocols, Flows, and Glitches , Proceedings of the 22nd International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2017) . ResearchGate , Cumincad

Stouffs, R, Janssen, P, Roudavski, S, and Tuncer, B (Eds.), (2013) Open Systems , Proceedings of the 18th International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2013) . ResearchGate , Cumincad

Bhatt, A, Janssen, P, and Schoch, O (Eds.), (2008) International Journal of Architectural Computing (IJAC) , 6 (4) . ResearchGate , Link

PhD

Janssen, P (2004) A Design Method and Computational Architecture for Generating and Evolving Building Designs, PhD Thesis, Hong Kong Polytechnic University. ResearchGate , PDF