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Multi-label classification is a common challenge in various machine learning applications, where a single data instance can be associated with multiple classes simultaneously. The current paper proposes a novel tree-based method for…

Methodology · Statistics 2024-05-01 Chhavi Tyagi , Wenge Guo

AudioSet is one of the most used and largest datasets in audio tagging, containing about 2 million audio samples that are manually labeled with 527 event categories organized into an ontology. However, the annotations contain…

Sound · Computer Science 2025-03-31 Ludovic Tuncay , Etienne Labbé , Thomas Pellegrini

Extreme multi-label classification (XML) involves tagging a data point with its most relevant subset of labels from an extremely large label set, with several applications such as product-to-product recommendation with millions of products.…

Computation and Language · Computer Science 2021-08-03 Anshul Mittal , Kunal Dahiya , Sheshansh Agrawal , Deepak Saini , Sumeet Agarwal , Purushottam Kar , Manik Varma

Multiagent reinforcement learning (MARL) is commonly considered to suffer from non-stationary environments and exponentially increasing policy space. It would be even more challenging when rewards are sparse and delayed over long…

Multi-human multi-robot teams (MH-MR) obtain tremendous potential in tackling intricate and massive missions by merging distinct strengths and expertise of individual members. The inherent heterogeneity of these teams necessitates advanced…

Robotics · Computer Science 2023-10-10 Ruiqi Wang , Dezhong Zhao , Arjun Gupte , Byung-Cheol Min

While large language models (LLMs) excel at understanding and generating plain text, they are not tailored to handle hierarchical text structures or directly predict task-specific properties such as text rating. In fact, selectively and…

Computation and Language · Computer Science 2024-10-10 Chenxi Lin , Jiayu Ren , Guoxiu He , Zhuoren Jiang , Haiyan Yu , Xiaomin Zhu

The focus of this paper is on the evaluation of sixteen labeling methods for hierarchical document clusters over five datasets. All of the methods are independent from clustering algorithms, applied subsequently to the dendrogram…

Information Retrieval · Computer Science 2018-05-28 Maria Fernanda Moura , Fabiano Fernandes dos Santos , Solange Oliveira Rezende

How do people decide how long to continue in a task, when to switch, and to which other task? Understanding the mechanisms that underpin task interleaving is a long-standing goal in the cognitive sciences. Prior work suggests greedy…

Artificial Intelligence · Computer Science 2020-01-08 Christoph Gebhardt , Antti Oulasvirta , Otmar Hilliges

Extreme multi-label text classification utilizes the label hierarchy to partition extreme labels into multiple label groups, turning the task into simple multi-group multi-label classification tasks. Current research encodes labels as a…

Computation and Language · Computer Science 2023-03-03 Li Wang , Ying Wah Teh , Mohammed Ali Al-Garadi

We investigate the training dynamics of deep classifiers by examining how hierarchical relationships between classes evolve during training. Through extensive experiments, we argue that the learning process in classification problems can be…

Artificial Intelligence · Computer Science 2025-02-18 Roman Malashin , Valeria Yachnaya , Alexander Mullin

Scene Text Recognition (STR) is challenging in extracting effective character representations from visual data when text is unreadable. Permutation language modeling (PLM) is introduced to refine character predictions by jointly capturing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Honghui Chen , Yuhang Qiu , Jiabao Wang , Pingping Chen , Nam Ling

Hierarchical taxonomies are common in many contexts, and they are a very natural structure humans use to organise information. In machine learning, the family of methods that use the 'extra' information is called hierarchical…

Machine Learning · Computer Science 2024-02-01 Ines Nolasco , Dan Stowell

Text classification is one of the most important and fundamental tasks in natural language processing. Performance of this task mainly dependents on text representation learning. Currently, most existing learning frameworks mainly focus on…

Computation and Language · Computer Science 2020-02-26 Xien Liu , Song Wang , Xiao Zhang , Xinxin You , Ji Wu , Dejing Dou

Decentralized combinatorial optimization in evolving multi-agent systems poses significant challenges, requiring agents to balance long-term decision-making, short-term optimized collective outcomes, while preserving autonomy of interactive…

Multiagent Systems · Computer Science 2025-09-23 Chuhao Qin , Evangelos Pournaras

Hierarchical reinforcement learning (HRL) holds great potential for sample-efficient learning on challenging long-horizon tasks. In particular, letting a higher level assign subgoals to a lower level has been shown to enable fast learning…

Machine Learning · Computer Science 2021-12-07 Nico Gürtler , Dieter Büchler , Georg Martius

Solving long-horizon goal-conditioned tasks remains a significant challenge in reinforcement learning (RL). Hierarchical reinforcement learning (HRL) addresses this by decomposing tasks into more manageable sub-tasks, but the automatic…

Machine Learning · Computer Science 2025-09-09 Yang Yu

In this paper a high speed neural network classifier based on extreme learning machines for multi-label classification problem is proposed and dis-cussed. Multi-label classification is a superset of traditional binary and multi-class…

Machine Learning · Computer Science 2016-09-06 Meng Joo Er , Rajasekar Venkatesan , Ning Wang

Humans can leverage hierarchical structures to split a task into sub-tasks and solve problems efficiently. Both imitation and reinforcement learning or a combination of them with hierarchical structures have been proven to be an efficient…

Robotics · Computer Science 2020-12-15 Yaru Niu , Yijun Gu

State-of-the-art, high capacity deep neural networks not only require large amounts of labelled training data, they are also highly susceptible to label errors in this data, typically resulting in large efforts and costs and therefore…

Machine Learning · Computer Science 2020-07-20 Christian Haase-Schütz , Rainer Stal , Heinz Hertlein , Bernhard Sick

Hierarchical Reinforcement Learning (HRL) exploits temporal abstraction to solve large Markov Decision Processes (MDP) and provide transferable subtask policies. In this paper, we introduce an off-policy HRL algorithm: Hierarchical Q-value…

Artificial Intelligence · Computer Science 2016-03-30 Tiancheng Zhao , Mohammad Gowayyed