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World Models help Artificial Intelligence (AI) predict outcomes, reason about its environment, and guide decision-making. While widely used in reinforcement learning, they lack the structured, adaptive representations that even young…

Artificial Intelligence · Computer Science 2025-03-20 Javier Del Ser , Jesus L. Lobo , Heimo Müller , Andreas Holzinger

This work introduces a novel Retention Layer mechanism for Transformer based architectures, addressing their inherent lack of intrinsic retention capabilities. Unlike human cognition, which can encode and dynamically recall symbolic…

Machine Learning · Computer Science 2025-01-17 M. Murat Yaslioglu

We introduce Language World Models, a class of language-conditional generative model which interpret natural language messages by predicting latent codes of future observations. This provides a visual grounding of the message, similar to an…

Computation and Language · Computer Science 2020-02-25 Alexander I. Cowen-Rivers , Jason Naradowsky

Temporal abstraction and efficient planning pose significant challenges in offline reinforcement learning, mainly when dealing with domains that involve temporally extended tasks and delayed sparse rewards. Existing methods typically plan…

Machine Learning · Computer Science 2023-10-03 Wenhao Li

Much of model-based reinforcement learning involves learning a model of an agent's world, and training an agent to leverage this model to perform a task more efficiently. While these models are demonstrably useful for agents, every…

Neural and Evolutionary Computing · Computer Science 2019-11-01 C. Daniel Freeman , Luke Metz , David Ha

The capability of imagining internally with a mental model of the world is vitally important for human cognition. If a machine intelligent agent can learn a world model to create a "dream" environment, it can then internally ask what-if…

Machine Learning · Computer Science 2020-12-29 Minne Li , Mengyue Yang , Furui Liu , Xu Chen , Zhitang Chen , Jun Wang

Data-efficient learning remains a central challenge in autonomous driving due to the high cost and safety risks of large-scale real-world interaction. Although world-model-based reinforcement learning enables policy optimization through…

Robotics · Computer Science 2026-03-10 Jiazhuo Li , Linjiang Cao , Qi Liu , Xi Xiong

The latent class model has been proposed as a powerful tool for cluster analysis of categorical data in various fields such as social, psychological, behavioral, and biological sciences. However, one important limitation of the latent class…

Social and Information Networks · Computer Science 2023-10-18 Huan Qing

A knowledge system S describing a part of real world does in general not contain complete information. Reasoning with incomplete information is prone to errors since any belief derived from S may be false in the present state of the world.…

Artificial Intelligence · Computer Science 2011-05-20 Eliezer L. Lozinskii

Finding satisfying assignments for the variables involved in a set of constraints can be cast as a (bounded) model generation problem: search for (bounded) models of a theory in some logic. The state-of-the-art approach for bounded model…

Logic in Computer Science · Computer Science 2015-02-04 Broes De Cat , Marc Denecker , Peter Stuckey , Maurice Bruynooghe

Most of the works on planning and learning, e.g., planning by (model based) reinforcement learning, are based on two main assumptions: (i) the set of states of the planning domain is fixed; (ii) the mapping between the observations from the…

Artificial Intelligence · Computer Science 2018-11-27 Luciano Serafini , Paolo Traverso

World models aim to improve robotic decision making by predicting the consequences of actions. However, in practice, their predictions often become unreliable once the robot encounters states outside the training distribution, limiting…

Robotics · Computer Science 2026-05-18 Tuo An , Jindou Jia , Gen Li , Jingliang Li , Chuhao Zhou , Pengfei Liu , Bofan Lyu , Jiaqi Bai , Xinying Guo , Geng Li , Jianfei Yang

Generative models have enabled the creation of contents that are indistinguishable from those taken from nature. Open-source development of such models raised concerns about the risks of their misuse for malicious purposes. One potential…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Guangyu Nie , Changhoon Kim , Yezhou Yang , Yi Ren

Planning methods can solve temporally extended sequential decision making problems by composing simple behaviors. However, planning requires suitable abstractions for the states and transitions, which typically need to be designed by hand.…

Machine Learning · Computer Science 2019-11-20 Soroush Nasiriany , Vitchyr H. Pong , Steven Lin , Sergey Levine

World models are central to building AI agents capable of flexible reasoning and planning. Yet current evaluations (i) test only properties measurable from observed interactions, such as next-frame prediction or task return, and (ii) do not…

Developing foundational world models is a key research direction for embodied intelligence, with the ability to adapt to non-stationary environments being a crucial criterion. In this work, we introduce a new formalism, Hidden…

Machine Learning · Computer Science 2024-11-05 Emiliyan Gospodinov , Vaisakh Shaj , Philipp Becker , Stefan Geyer , Gerhard Neumann

Large language models are highly capable of answering difficult questions by retrieving, recombining, and attending to information in long contexts. For agentic tasks, an additional capability is required: the preservation of an exact state…

Computation and Language · Computer Science 2026-05-19 Tianxiang Dai , Jonathan Fan

Foundation model-enabled generative artificial intelligence facilitates the development and implementation of agents, which can leverage distinguished reasoning and language processing capabilities to takes a proactive, autonomous role to…

Artificial Intelligence · Computer Science 2024-11-07 Yue Liu , Sin Kit Lo , Qinghua Lu , Liming Zhu , Dehai Zhao , Xiwei Xu , Stefan Harrer , Jon Whittle

In model-based reinforcement learning, planning with an imperfect model of the environment has the potential to harm learning progress. But even when a model is imperfect, it may still contain information that is useful for planning. In…

Machine Learning · Computer Science 2021-03-09 Zaheer Abbas , Samuel Sokota , Erin J. Talvitie , Martha White

Latent force models, a class of hybrid modeling approaches, integrate physical knowledge of system dynamics with a latent force - an unknown, unmeasurable input modeled as a Gaussian process. In this work, we introduce two optimal state…

Systems and Control · Electrical Eng. & Systems 2025-12-24 Tobias M. Wolff , Victor G. Lopez , Matthias A. Müller , Thomas Beckers