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In data analysis, latent variables play a central role because they help provide powerful insights into a wide variety of phenomena, ranging from biological to human sciences. The latent tree model, a particular type of probabilistic…

Machine Learning · Computer Science 2014-02-05 Raphaël Mourad , Christine Sinoquet , Nevin L. Zhang , Tengfei Liu , Philippe Leray

The recurring context in which objects appear holds valuable information that can be employed to predict their existence. This intuitive observation indeed led many researchers to endow appearance-based detectors with explicit reasoning…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Ehud Barnea , Ohad Ben-Shahar

Nowadays computing becomes increasingly mobile and pervasive. One of the important steps in pervasive computing is context-awareness. Context-aware pervasive systems rely on information about the context and user preferences to adapt their…

Networking and Internet Architecture · Computer Science 2010-07-09 Tam Van Nguyen , Wontaek Lim , Huy Nguyen , Deokjai Choi

Publicly significant images from events hold valuable contextual information, crucial for journalism and education. However, existing methods often struggle to extract this relevance accurately. To address this, we introduce GETReason…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Shikhhar Siingh , Abhinav Rawat , Chitta Baral , Vivek Gupta

Searching spatial data is an important operation for scientific simulations which are performed mostly with periodic boundary conditions. An R-Tree is a well known tree data structure used to contain spatial objects and it is capable of…

Data Structures and Algorithms · Computer Science 2017-12-11 Toru Niina

Contextual information can have a substantial impact on the performance of visual tasks such as semantic segmentation, object detection, and geometric estimation. Data stored in Geographic Information Systems (GIS) offers a rich source of…

Computer Vision and Pattern Recognition · Computer Science 2016-02-22 Raúl Díaz , Minhaeng Lee , Jochen Schubert , Charless C. Fowlkes

In this paper, we propose DeepTree, a novel method for modeling trees based on learning developmental rules for branching structures instead of manually defining them. We call our deep neural model situated latent because its behavior is…

Machine Learning · Computer Science 2023-05-10 Xiaochen Zhou , Bosheng Li , Bedrich Benes , Songlin Fei , Sören Pirk

The Bayesian Context Trees (BCT) framework is a recently introduced, general collection of statistical and algorithmic tools for modelling, analysis and inference with discrete-valued time series. The foundation of this development is built…

Information Theory · Computer Science 2023-09-06 Ioannis Kontoyiannis

A considerable number of texts encountered daily are somehow connected with each other. For example, Wikipedia articles refer to other articles via hyperlinks, scientific papers relate to others via citations or (co)authors, while tweets…

Computation and Language · Computer Science 2025-08-08 Albert Roethel , Maria Ganzha , Anna Wróblewska

Cognition does not only depend on bottom-up sensor feature abstraction, but also relies on contextual information being passed top-down. Context is higher level information that helps to predict belief states at lower levels. The main…

Artificial Intelligence · Computer Science 2018-01-09 Bernhard Hengst , Maurice Pagnucco , David Rajaratnam , Claude Sammut , Michael Thielscher

In this work, we propose a novel tree-based explanation technique, PEACH (Pretrained-embedding Explanation Across Contextual and Hierarchical Structure), that can explain how text-based documents are classified by using any pretrained…

Computation and Language · Computer Science 2024-04-23 Feiqi Cao , Caren Han , Hyunsuk Chung

The quadratic complexity of self-attention constrains Large Language Models (LLMs) in processing long contexts, a capability essential for many advanced applications. Context compression aims to alleviate this computational bottleneck while…

Computation and Language · Computer Science 2025-12-05 Yangning Li , Shaoshen Chen , Yinghui Li , Yankai Chen , Hai-Tao Zheng , Hui Wang , Wenhao Jiang , Philip S. Yu

Humans effortlessly identify objects by leveraging a rich understanding of the surrounding scene, including spatial relationships, material properties, and the co-occurrence of other objects. In contrast, most computational object…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Ciprian Constantinescu , Marius Leordeanu

It is commonly believed that knowledge of syntactic structure should improve language modeling. However, effectively and computationally efficiently incorporating syntactic structure into neural language models has been a challenging topic.…

Computation and Language · Computer Science 2020-05-13 Wenyu Du , Zhouhan Lin , Yikang Shen , Timothy J. O'Donnell , Yoshua Bengio , Yue Zhang

Physical environment understanding is vital in delivering immersive and interactive mobile augmented reality (AR) user experiences. Recently, we have witnessed a transition in the design of environment understanding systems, from visual…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-18 Yiqin Zhao , Ashkan Ganj , Tian Guo

Sensemaking using automatically extracted information from text is a challenging problem. In this paper, we address a specific type of information extraction, namely extracting information related to descriptions of movement. Aggregating…

Human-Computer Interaction · Computer Science 2022-04-21 Scott Pezanowski , Prasenjit Mitra , Alan M. MacEachren

In human reading and communication, individuals tend to engage in geospatial reasoning, which involves recognizing geographic entities and making informed inferences about their interrelationships. To mimic such cognitive process, current…

Computation and Language · Computer Science 2024-08-22 Yibo Yan , Joey Lee

Fully understanding a complex high-resolution satellite or aerial imagery scene often requires spatial reasoning over a broad relevant context. The human object recognition system is able to understand object in a scene over a long-range…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Caleb Robinson , Isaac Corley , Anthony Ortiz , Rahul Dodhia , Juan M. Lavista Ferres , Peyman Najafirad

While the abundance of rich and vast datasets across numerous fields has facilitated the advancement of natural language processing, sectors in need of specialized data types continue to struggle with the challenge of finding quality data.…

Computation and Language · Computer Science 2026-02-06 Hyeonseok Kang , Hyein Seo , Jeesu Jung , Sangkeun Jung , Du-Seong Chang , Riwoo Chung

Contextual information plays an important role in many computer vision tasks, such as object detection, video action detection, image classification, etc. Recognizing a single object or action out of context could be sometimes very…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Xuan Wang , Zhigang Zhu