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Related papers: A Trajectory Calculus for Qualitative Spatial Reas…

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We present a declarative language, PP, for the high-level specification of preferences between possible solutions (or trajectories) of a planning problem. This novel language allows users to elegantly express non-trivial, multi-dimensional…

Artificial Intelligence · Computer Science 2009-09-29 Tran Cao Son , Enrico Pontelli

This paper explores the benefits of computing arborescent trajectories (trajectory-trees) instead of commonly used sequential trajectories for partially observable robotic planning problems. In such environments, a robot infers knowledge…

Robotics · Computer Science 2026-05-05 Camille Phiquepal , Marc Toussaint

Trajectory similarity computation is fundamental functionality that is used for, e.g., clustering, prediction, and anomaly detection. However, existing learning-based methods exhibit three key limitations: (1) insufficient modeling of…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Zhichen Lai , Hua Lu , Huan Li , Jialiang Li , Christian S. Jensen

Reasoning capabilities are crucial for reliable medical visual question answering (VQA); however, existing datasets rarely include reasoning explanations. We address this by generating reasoning trajectories for six medical VQA benchmarks…

Machine Learning · Computer Science 2026-05-07 Halil Ibrahim Gulluk , Olivier Gevaert

Existing visual reasoning benchmarks predominantly rely on natural language prompts, evaluate narrow reasoning modalities, or depend on subjective scoring procedures such as LLM-as-judge. We introduce the TACIT Benchmark, a programmatic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Daniel Nobrega Medeiros

Large language models often require costly optimization, such as reinforcement learning, to master complex reasoning tasks. This work demonstrates that reasoning ability, once learned, can be extracted and transferred between models as a…

Computation and Language · Computer Science 2025-09-03 Mohammad Zbeeb , Hasan Abed Al Kader Hammoud , Bernard Ghanem

Large language models have recently shown promising progress in mathematical reasoning when fine-tuned with human-generated sequences walking through a sequence of solution steps. However, the solution sequences are not formally structured…

Machine Learning · Computer Science 2022-12-07 Andrew J. Nam , Mengye Ren , Chelsea Finn , James L. McClelland

We study path-based graph queries that, in addition to navigation through edges, also perform navigation through time. This allows asking questions about the dynamics of networks, like traffic movement, cause-effect relationships, or the…

Databases · Computer Science 2025-07-31 Muhammad Adnan , Diego Calvanese , Julien Corman , Anton Dignös , Werner Nutt , Ognjen Savković

Trajectory prediction (TP) plays an important role in supporting the decision-making of Air Traffic Controllers (ATCOs). Traditional TP methods are deterministic and physics-based, with parameters that are calibrated using aircraft…

Systems and Control · Electrical Eng. & Systems 2023-09-27 Nick Pepper , George De Ath , Marc Thomas , Richard Everson , Tim Dodwell

Top-view perspective denotes a typical way in which humans read and reason over different types of maps, and it is vital for localization and navigation of humans as well as of `non-human' agents, such as the ones backed by large…

Computation and Language · Computer Science 2024-06-05 Chengzu Li , Caiqi Zhang , Han Zhou , Nigel Collier , Anna Korhonen , Ivan Vulić

In our daily lives and industrial settings, we often encounter dynamic problems that require reasoning over time and metric constraints. These include tasks such as scheduling, routing, and production sequencing. Dynamic logics have…

Artificial Intelligence · Computer Science 2025-02-14 Susana Hahn

Next-location prediction, consisting of forecasting a user's location given their historical trajectories, has important implications in several fields, such as urban planning, geo-marketing, and disease spreading. Several predictors have…

Artificial Intelligence · Computer Science 2022-03-08 Massimiliano Luca , Luca Pappalardo , Bruno Lepri , Gianni Barlacchi

Destination passing -- aka. out parameters -- is taking a parameter to fill rather than returning a result from a function. Due to its apparently imperative nature, destination passing has struggled to find its way to pure functional…

Programming Languages · Computer Science 2025-03-11 Thomas Bagrel , Arnaud Spiwack

Qualitative Spatial Reasoning is a well explored area of Knowledge Representation and Reasoning and has multiple applications ranging from Geographical Information Systems to Robotics and Computer Vision. Recently, many claims have been…

Computation and Language · Computer Science 2024-12-02 Anthony G Cohn , Robert E Blackwell

We present ASP Modulo `Space-Time', a declarative representational and computational framework to perform commonsense reasoning about regions with both spatial and temporal components. Supported are capabilities for mixed…

Artificial Intelligence · Computer Science 2018-05-18 Carl Schultz , Mehul Bhatt , Jakob Suchan , Przemysław Wałęga

Trajectory representation learning (TRL) aims to encode raw trajectory data into low-dimensional embeddings for downstream tasks such as travel time estimation, mobility prediction, and trajectory similarity analysis. From a behavioral…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Ji Cao , Yu Wang , Tongya Zheng , Jie Song , Qinghong Guo , Zujie Ren , Canghong Jin , Gang Chen , Mingli Song

Any continuous curve in a higher dimensional space can be considered a trajectory that can be parameterized by a single variable, usually taken as time. It is well known that a continuous curve can have a fractional dimensionality, which…

Data Analysis, Statistics and Probability · Physics 2024-05-08 Roxana Peña-Mendieta , Ania Mesa-Rodríguez , Ernesto Estevez-Rams , Daniel Estevez-Moya , Danays Kunka

Previous studies on sequence-based extraction of human movement trajectories have an issue of inadequate trajectory representation. Specifically, a pair of locations may not be lined up in a sequence especially when one location includes…

Computation and Language · Computer Science 2024-10-23 Aitaro Yamamoto , Hiroyuki Otomo , Hiroki Ouchi , Shohei Higashiyama , Hiroki Teranishi , Hiroyuki Shindo , Taro Watanabe

The inherent capabilities of a language model (LM) and the reasoning strategies it employs jointly determine its performance in reasoning tasks. While test-time scaling is regarded as an effective approach to tackling complex reasoning…

Computation and Language · Computer Science 2025-05-27 Zhihong Pan , Kai Zhang , Yuze Zhao , Yupeng Han

One of our long term research goals is to develop systems to answer realistic questions (e.g., some mentioned in textbooks) about biological pathways that a biologist may ask. To answer such questions we need formalisms that can model…

Artificial Intelligence · Computer Science 2013-06-25 Saadat Anwar , Chitta Baral , Katsumi Inoue