| 2026 | SSBSE | Fuzz3 : Entropy as a Third Oracle. | Karine Even-Mendoza, Janine Obiri, Aidan Dakhama, Phil McMinn, William B. Langdon |
| 2025 | EUROGP | Population Diversity, Information Theory and Genetic Improvement. | William B. Langdon, David Clark |
| 2025 | SSBSE | HotCat: Green and Effective Feature Selection toward Hotfix Bug Taxonomy. | Luis De La Cal, Yazhuo Cao, Ayse Irmak Ercevik, Giovanni Pinna, Lukas Twist, David Williams, Karine Even-Mendoza, William B. Langdon, Hctor D. Menndez, Federica Sarro |
| 2025 | SSBSE | GreenMalloc: Allocator Optimisation for Industrial Workloads. | Aidan Dakhama, William B. Langdon, Hctor D. Menndez, Karine Even-Mendoza |
| 2025 | SSBSE | GA4GC: Greener Agent for Greener Code via Multi-objective Configuration Optimization. | Jingzhi Gong, Yixin Bian, Luis De La Cal, Giovanni Pinna, Anisha Uteem, David Williams, Mar Zamorano, Karine Even-Mendoza, William B. Langdon, Hctor D. Menndez, Federica Sarro |
| 2024 | EUROGP | Genetic Improvement of Last Level Cache. | William B. Langdon, David Clark |
| 2024 | SSBSE | GreenStableYolo: Optimizing Inference Time and Image Quality of Text-to-Image Generation. | Jingzhi Gong, Sisi Li, Giordano d'Aloisio, Zishuo Ding, Yulong Ye, William B. Langdon, Federica Sarro |
| 2023 | EUROGP | Genetic Improvement of LLVM Intermediate Representation. | William B. Langdon, Afnan A. Al-Subaihin, Aymeric Blot, David Clark |
| 2023 | GECCO | Genetically Improved Software with fewer Data Cache Misses. | William B. Langdon, Justyna Petke, Aymeric Blot, David Clark |
| 2023 | SSBSE | SearchGEM5: Towards Reliable Gem5 with Search Based Software Testing and Large Language Models. | Aidan Dakhama, Karine Even-Mendoza, William B. Langdon, Hctor D. Menndez, Justyna Petke |
| 2022 | GECCO | Genetic programming convergence. | William B. Langdon |
| 2022 | GECCO | Failed disruption propagation in integer genetic programming. | William B. Langdon |
| 2022 | GECCO | Measuring failed disruption propagation in genetic programming. | William B. Langdon, Afnan A. Al-Subaihin, David Clark |
| 2022 | GECCO | Long-term evolution experiment with genetic programming [hot of the press]. | William B. Langdon, Wolfgang Banzhaf |
| 2021 | EUROGP | Incremental Evaluation in Genetic Programming. | William B. Langdon |
| 2021 | GECCO | Fitness first and fatherless crossover. | William B. Langdon |
| 2021 | GECCO | Genetic improvement of data for maths functions. | William B. Langdon, Oliver Krauss |
| 2021 | GECCO | Dissipative polynomials. | William B. Langdon, Justyna Petke, David Clark |
| 2020 | CEC | Genetic Improvement of Genetic Programming. | William B. Langdon |
| 2020 | EUROGP | Automatically Evolving Lookup Tables for Function Approximation. | Oliver Krauss, William B. Langdon |
| 2020 | GECCO | Evolving sqrt into 1/ | William B. Langdon, Oliver Krauss |
| 2019 | EUROGP | Evolving AVX512 Parallel C Code Using GP. | William B. Langdon, Ronny Lorenz |
| 2019 | GECCO | Parallel GPQUICK. | William B. Langdon |
| 2019 | GECCO | Genetic improvement of data gives double precision invsqrt. | William B. Langdon |
| 2019 | GECCO | Genetic improvement of data gives binary logarithm from sqrt. | William B. Langdon, Justyna Petke |
| 2018 | EUROGP | Evolving Better RNAfold Structure Prediction. | William B. Langdon, Justyna Petke, Ronny Lorenz |
| 2018 | SSBSE | Evolving Better Software Parameters. | William B. Langdon, Justyna Petke |
| 2017 | EUROGP | Visualising the Search Landscape of the Triangle Program. | William B. Langdon, Nadarajen Veerapen, Gabriela Ochoa |
| 2017 | GECCO | Long-term evolution of genetic programming populations. | William B. Langdon |
| 2017 | GECCO | Improving SSE parallel code with grow and graft genetic programming. | William B. Langdon, Ronny Lorenz |
| 2017 | GECCO | Genetic improvement of computational biology software. | William B. Langdon, Karina Zile |
| 2017 | ICSE | Inferring Automatic Test Oracles. | William B. Langdon, Shin Yoo, Mark Harman |
| 2016 | CEC | Genetic improvement: A key challenge for evolutionary computation. | William B. Langdon, Gabriela Ochoa |
| 2016 | GECCO | Benchmarking Genetically Improved BarraCUDA on Epigenetic Methylation NGS datasets and nVidia GPUs. | William B. Langdon, Albert Vilella, Brian Yee Hong Lam, Justyna Petke, Mark Harman |
| 2016 | PPSN | Kin Selection with Twin Genetic Programming. | William B. Langdon |
| 2016 | PPSN | Optimising Quantisation Noise in Energy Measurement. | William B. Langdon, Justyna Petke, Bobby R. Bruce |
| 2016 | SSBSE | API-Constrained Genetic Improvement. | William B. Langdon, David Robert White, Mark Harman, Yue Jia, Justyna Petke |
| 2015 | GECCO | Grow and Graft a Better CUDA pknotsRG for RNA Pseudoknot Free Energy Calculation. | William B. Langdon, Mark Harman |
| 2015 | GECCO | Improving CUDA DNA Analysis Software with Genetic Programming. | William B. Langdon, Brian Yee Hong Lam, Justyna Petke, Mark Harman |
| 2015 | SSBSE | Grow and Serve: Growing Django Citation Services Using SBSE. | Yue Jia, Mark Harman, William B. Langdon, Alexandru Marginean |
| 2015 | SSBSE | Genetic Improvement of Software for Multiple Objectives. | William B. Langdon |
| 2014 | EUROGP | Genetically Improved CUDA C++ Software. | William B. Langdon, Mark Harman |
| 2014 | EUROGP | Using Genetic Improvement and Code Transplants to Specialise a C++ Program to a Problem Class. | Justyna Petke, Mark Harman, William B. Langdon, Westley Weimer |
| 2014 | GECCO | Improving 3D medical image registration CUDA software with genetic programming. | William B. Langdon, Marc Modat, Justyna Petke, Mark Harman |
| 2014 | ICSE | Genetic improvement for adaptive software engineering (keynote). | Mark Harman, Yue Jia, William B. Langdon, Justyna Petke, Iman Hemati Moghadam, Shin Yoo, Fan Wu |
| 2014 | SPLC | Search based software engineering for software product line engineering: a survey and directions for future work. | Mark Harman, Yue Jia, Jens Krinke, William B. Langdon, Justyna Petke, Yuanyuan Zhang |
| 2014 | SSBSE | Babel Pidgin: SBSE Can Grow and Graft Entirely New Functionality into a Real World System. | Mark Harman, Yue Jia, William B. Langdon |
| 2014 | SYNASC | Genetic Improvement of Programs. | William B. Langdon |
| 2013 | GECCO | Correlation of microarray probes give evidence for mycoplasma contamination in human studies. | William B. Langdon |
| 2013 | GECCO | Which is faster: bowtie2 | William B. Langdon |
| 2013 | SSBSE | Applying Genetic Improvement to MiniSAT. | Justyna Petke, William B. Langdon, Mark Harman |
| 2011 | FOGA | Elementary bit string mutation landscapes. | William B. Langdon |
| 2011 | GECCO | Generalisation in genetic programming. | William B. Langdon |
| 2011 | GECCO | Debugging CUDA. | William B. Langdon |
| 2011 | GECCO | Performing with CUDA. | William B. Langdon |
| 2010 | CEC | Evolving a CUDA kernel from an nVidia template. | William B. Langdon, Mark Harman |
| 2010 | EUROGP | A Many Threaded CUDA Interpreter for Genetic Programming. | William B. Langdon |
| 2010 | ICST | A Manifesto for Higher Order Mutation Testing. | Mark Harman, Yue Jia, William B. Langdon |
| 2009 | GECCO | Evo_indent interactive evolution of GNU indent options. | William B. Langdon |
| 2009 | GECCO | A fast high quality pseudo random number generator for nVidia CUDA. | William B. Langdon |
| 2009 | GECCO | Multi objective higher order mutation testing with GP. | William B. Langdon, Mark Harman, Yue Jia |
| 2009 | GECCO | Creating regular expressions as mRNA motifs with GP to predict human exon splitting. | William B. Langdon, Joanna Rowsell, Andrew P. Harrison |
| 2009 | GECCO | Genetic programming theory I & II. | Riccardo Poli, William B. Langdon |
| 2008 | CEC | A fast high quality pseudo random number generator for graphics processing units. | William B. Langdon |
| 2008 | CEC | Evolving GeneChip correlation predictors on parallel graphics hardware. | William B. Langdon |
| 2008 | EUROGP | A SIMD Interpreter for Genetic Programming on GPU Graphics Cards. | William B. Langdon, Wolfgang Banzhaf |
| 2008 | PPSN | Evolving Regular Expressions for GeneChip Probe Performance Prediction. | William B. Langdon, Andrew P. Harrison |
| 2007 | EUROGP | On the Limiting Distribution of Program Sizes in Tree-Based Genetic Programming. | Riccardo Poli, William B. Langdon, Stephen Dignum |
| 2007 | FOGA | Continuous Optimisation Theory Made Easy? Finite-Element Models of Evolutionary Strategies, Genetic Algorithms and Particle Swarm Optimizers. | Riccardo Poli, William B. Langdon, Maurice Clerc, Christopher R. Stephens |
| 2007 | GECCO | The genetic programming collaboration network and its communities. | Leslie Luthi, Marco Tomassini, Mario Giacobini, William B. Langdon |
| 2007 | GECCO | Markov chain models of bare-bones particle swarm optimizers. | Riccardo Poli, William B. Langdon |
| 2007 | GECCO | Genetic programming theory. | Riccardo Poli, William B. Langdon |
| 2006 | CEC | Finding Social Landscapes for PSOs via Kernels. | William B. Langdon, Riccardo Poli |
| 2006 | CEC | Emergent Behaviour, Population-based Search and Low-pass Filtering. | Riccardo Poli, Alden H. Wright, Nicholas Freitag McPhee, William B. Langdon |
| 2006 | EUROGP | The Halting Probability in Von Neumann Architectures. | William B. Langdon, Riccardo Poli |
| 2006 | UC | Mapping Non-conventional Extensions of Genetic Programming. | William B. Langdon |
| 2005 | CEC | Evolving problems to learn about particle swarm and other optimisers. | William B. Langdon, Riccardo Poli |
| 2005 | CEC | Evolutionary Solo Pong players. | William B. Langdon, Riccardo Poli |
| 2005 | EUROGP | Repeated Patterns in Tree Genetic Programming. | William B. Langdon, Wolfgang Banzhaf |
| 2005 | EUROGP | Extending Particle Swarm Optimisation via Genetic Programming. | Riccardo Poli, William B. Langdon, Owen Holland |
| 2005 | GECCO | Exploring extended particle swarms: a genetic programming approach. | Riccardo Poli, Cecilia Di Chio, William B. Langdon |
| 2005 | GECCO | Backward-chaining genetic programming. | Riccardo Poli, William B. Langdon |
| 2004 | EUROGP | Global Distributed Evolution of L-Systems Fractals. | William B. Langdon |
| 2004 | GECCO | An Estimation of Distribution Algorithm Based on Maximum Entropy. | Alden H. Wright, Riccardo Poli, Christopher R. Stephens, William B. Langdon, Sandeep Pulavarty |
| 2003 | CEC | Predicting biochemical interactions - human P450 2D6 enzyme inhibition. | William B. Langdon, S. J. Barrett, Bernard F. Buxton |
| 2003 | GECCO | Convergence of Program Fitness Landscapes. | William B. Langdon |
| 2002 | EUROGP | Combining Decision Trees and Neural Networks for Drug Discovery. | William B. Langdon, S. J. Barrett, Bernard F. Buxton |
| 2002 | FOGA | How Many Good Programs are There? How Long are They? | William B. Langdon |
| 2002 | GECCO | Convergence Rates For The Distribution Of Program Outputs. | William B. Langdon |
| 2002 | GECCO | Random Search is Parsimonious. | William B. Langdon |
| 2002 | HIS | A Hybrid Genetic Programming Neural Network Classifier for Use in Drug Discovery. | William B. Langdon |
| 2001 | EUROGP | Evolving Receiver Operating Characteristics for Data Fusion. | William B. Langdon, Bernard F. Buxton |
| 2001 | EUROGP | Evolving Hand-Eye Coordination for a Humanoid Robot with Machine Code Genetic Programming. | William B. Langdon, Peter Nordin |
| 2000 | EUROGP | Application of Genetic Programming to Induction of Linear Classification Trees. | Martijn C. J. Bot, William B. Langdon |
| 2000 | EUROGP | Seeding Genetic Programming Populations. | William B. Langdon, Peter Nordin |
| 2000 | GECCO | Quadratic Bloat in Genetic Programming. | William B. Langdon |
| 2000 | PPSN | Genetic Programming Bloat without Semantics. | William B. Langdon, Wolfgang Banzhaf |
| 1999 | EUROGP | Boolean Functions Fitness Spaces. | William B. Langdon, Riccardo Poli |
| 1999 | EUROGP | Smooth Uniform Crossover with Smooth Point Mutation in Genetic Programming: A Preliminary Study. | Jonathan Page, Riccardo Poli, William B. Langdon |
| 1999 | GECCO | Java based Distributed Genetic Programming on the Internet. | Fuey Sian Chong, William B. Langdon |
| 1998 | EUROGP | Fitness Causes Bloat: Mutation. | William B. Langdon, Riccardo Poli |
| 1998 | EUROGP | Genetic Programming Bloat with Dynamic Fitness. | William B. Langdon, Riccardo Poli |
| 1998 | EUROGP | A Review of Theoretical and Experimental Results on Schemata in Genetic Programming. | Riccardo Poli, William B. Langdon |