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The term Procedural Content Generation (PCG) refers to the (semi-)automatic generation of game content by algorithmic means, and its methods are becoming increasingly popular in game-oriented research and industry. A special class of these…

Artificial Intelligence · Computer Science 2023-02-17 Vanessa Volz , Boris Naujoks , Pascal Kerschke , Tea Tusar

The attempt to utilize machine learning in PCG has been made in the past. In this survey paper, we investigate how generative artificial intelligence (AI), which saw a significant increase in interest in the mid-2010s, is being used for…

Artificial Intelligence · Computer Science 2024-07-15 Xinyu Mao , Wanli Yu , Kazunori D Yamada , Michael R. Zielewski

Nowadays, the behavior tree is gaining popularity as a representation for robot tasks due to its modularity and reusability. Designing behavior-tree tasks manually is time-consuming for robot end-users, thus there is a need for…

Robotics · Computer Science 2023-02-28 Yue Cao , C. S. George Lee

Procedural content generation uses algorithmic techniques to create large amounts of new content for games at much lower production costs. In newer approaches, procedural content generation utilizes machine learning. However, these methods…

Artificial Intelligence · Computer Science 2024-07-01 Davor Hafnar , Jure Demšar

The quality of high-level AI of non-player characters (NPCs) in commercial open-world games (OWGs) has been increasing during the past years. However, due to constraints specific to the game industry, this increase has been slow and it has…

Artificial Intelligence · Computer Science 2016-02-23 Martin Černý , Tomáš Plch , Matěj Marko , Jakub Gemrot , Petr Ondráček , Cyril Brom

The evaluation of procedural content generation (PCG) systems for generating video game levels is a complex and contested topic. Ideally, the field would have access to robust, generalisable and widely accepted evaluation approaches that…

Human-Computer Interaction · Computer Science 2024-04-30 Oliver Withington , Michael Cook , Laurissa Tokarchuk

We introduce a procedural content generation (PCG) framework at the intersections of experience-driven PCG and PCG via reinforcement learning, named ED(PCG)RL, EDRL in short. EDRL is able to teach RL designers to generate endless playable…

Artificial Intelligence · Computer Science 2021-07-06 Tianye Shu , Jialin Liu , Georgios N. Yannakakis

This paper presents a novel approach to generating behavior trees for robots using lightweight large language models (LLMs) with a maximum of 7 billion parameters. The study demonstrates that it is possible to achieve satisfying results…

Robotics · Computer Science 2025-01-08 Riccardo Andrea Izzo , Gianluca Bardaro , Matteo Matteucci

Co-creative Procedural Content Generation via Machine Learning (PCGML) refers to systems where a PCGML agent and a human work together to produce output content. One of the limitations of co-creative PCGML is that it requires co-creative…

Machine Learning · Computer Science 2021-07-28 Zisen Zhou , Matthew Guzdial

The Industry 4.0 paradigm manifests the shift towards mass customization and cyber-physical production systems (CPPS) and sets new requirements for industrial automation software in terms of modularity, flexibility, and short development…

Software Engineering · Computer Science 2024-04-23 Aleksandr Sidorenko , Mahdi Rezapour , Achim Wagner , Martin Ruskowski

Behavior Trees (BTs) offer a powerful paradigm for designing modular and reactive robot controllers. BT planning, an emerging field, provides theoretical guarantees for the automated generation of reliable BTs. However, BT planning…

Robotics · Computer Science 2026-03-18 Yishuai Cai , Xinglin Chen , Yunxin Mao , Kun Hu , Minglong Li , Yaodong Yang , Yuanpei Chen

The past decade has seen a rapid increase in the level of research interest in procedural content generation (PCG) for digital games, and there are now numerous research avenues focused on new approaches for driving and applying PCG…

Human-Computer Interaction · Computer Science 2022-10-06 Oliver Withington , Laurissa Tokarchuk

Robots executing tasks following human instructions in domestic or industrial environments essentially require both adaptability and reliability. Behavior Tree (BT) emerges as an appropriate control architecture for these scenarios due to…

Artificial Intelligence · Computer Science 2024-06-28 Xinglin Chen , Yishuai Cai , Yunxin Mao , Minglong Li , Wenjing Yang , Weixia Xu , Ji Wang

Behavior trees (BTs) emerged from video game development as a graphical language for modeling intelligent agent behavior. However as initially implemented, behavior trees are static plans. This paper adds to recent literature exploring the…

Robotics · Computer Science 2016-07-01 Blake Hannaford , Danying Hu , Dianmu Zhang , Yangming Li

Fast changing tasks in unpredictable, collaborative environments are typical for medium-small companies, where robotised applications are increasing. Thus, robot programs should be generated in short time with small effort, and the robot…

Robotics · Computer Science 2022-03-18 Oscar Gustavsson , Matteo Iovino , Jonathan Styrud , Christian Smith

Task environments developed in Minecraft are becoming increasingly popular for artificial intelligence (AI) research. However, most of these are currently constructed manually, thus failing to take advantage of procedural content generation…

Artificial Intelligence · Computer Science 2023-01-09 Adarsh Pyarelal , Aditya Banerjee , Kobus Barnard

Modern industrial applications require robots to be able to operate in unpredictable environments, and programs to be created with a minimal effort, as there may be frequent changes to the task. In this paper, we show that genetic…

Robotics · Computer Science 2020-11-09 Matteo Iovino , Jonathan Styrud , Pietro Falco , Christian Smith

Reward design plays a pivotal role in the training of game AIs, requiring substantial domain-specific knowledge and human effort. In recent years, several studies have explored reward generation for training game agents and controlling…

Artificial Intelligence · Computer Science 2026-05-26 In-Chang Baek , Sung-Hyun Kim , Sam Earle , Zehua Jiang , Jin-Ha Noh , Julian Togelius , Kyung-Joong Kim

This paper describes a method for generative player modeling and its application to the automatic testing of game content using archetypal player models called procedural personas. Theoretically grounded in psychological decision theory,…

Artificial Intelligence · Computer Science 2018-02-21 Christoffer Holmgård , Michael Cerny Green , Antonios Liapis , Julian Togelius

In this paper, we propose Belief Behavior Trees (BBTs), an extension to Behavior Trees (BTs) that allows to automatically create a policy that controls a robot in partially observable environments. We extend the semantic of BTs to account…

Robotics · Computer Science 2020-08-24 Evgenii Safronov , Michele Colledanchise , Lorenzo Natale