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Recently, large reasoning models have demonstrated strong mathematical and coding abilities, and deep search leverages their reasoning capabilities in challenging information retrieval tasks. Existing deep search works are generally limited…

Information Retrieval · Computer Science 2025-08-12 Jiejun Tan , Zhicheng Dou , Yan Yu , Jiehan Cheng , Qiang Ju , Jian Xie , Ji-Rong Wen

In recent years deep reinforcement learning (RL) systems have attained superhuman performance in a number of challenging task domains. However, a major limitation of such applications is their demand for massive amounts of training data. A…

The growing demand for structured knowledge has led to great interest in relation extraction, especially in cases with limited supervision. However, existing distance supervision approaches only extract relations expressed in single…

Computation and Language · Computer Science 2017-08-16 Chris Quirk , Hoifung Poon

Reinforcement learning (RL) is a goal-oriented learning solution that has proven to be successful for Neural Architecture Search (NAS) on the CIFAR and ImageNet datasets. However, a limitation of this approach is its high computational…

Neural and Evolutionary Computing · Computer Science 2019-12-04 J. Gomez Robles , J. Vanschoren

Dense neural text retrieval has achieved promising results on open-domain Question Answering (QA), where latent representations of questions and passages are exploited for maximum inner product search in the retrieval process. However,…

Information Retrieval · Computer Science 2021-11-01 Ye Liu , Kazuma Hashimoto , Yingbo Zhou , Semih Yavuz , Caiming Xiong , Philip S. Yu

Relation Extraction (RE) is a foundational task of natural language processing. RE seeks to transform raw, unstructured text into structured knowledge by identifying relational information between entity pairs found in text. RE has numerous…

Computation and Language · Computer Science 2022-07-19 William Hogan

This work presents a multitemporal class-driven hierarchical Residual Neural Network (ResNet) designed for modelling the classification of Time Series (TS) of multispectral images at different semantical class levels. The architecture…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Giulio Weikmann , Gianmarco Perantoni , Lorenzo Bruzzone

Network dismantling aims to degrade the connectivity of a network by removing an optimal set of nodes. It has been widely adopted in many real-world applications such as epidemic control and rumor containment. However, conventional methods…

Machine Learning · Computer Science 2022-03-09 Dengcheng Yan , Wenxin Xie , Yiwen Zhang , Qiang He , Yun Yang

Reinforcement learning (RL) has emerged as a powerful post-training paradigm for enhancing the reasoning capabilities of large language models (LLMs). However, reinforcement learning for LLMs faces substantial data scarcity challenges,…

Continual learning (CL) enables models to adapt to new tasks and environments without forgetting previously learned knowledge. While current CL setups have ignored the relationship between labels in the past task and the new task with or…

Machine Learning · Computer Science 2023-08-29 Byung Hyun Lee , Okchul Jung , Jonghyun Choi , Se Young Chun

Many discriminative natural language understanding (NLU) tasks have large label spaces. Learning such a process of large-space decision making is particularly challenging due to the lack of training instances per label and the difficulty of…

Computation and Language · Computer Science 2023-10-31 Nan Xu , Fei Wang , Mingtao Dong , Muhao Chen

Hierarchical reinforcement learning (HRL) improves the efficiency of long-horizon reinforcement-learning tasks with sparse rewards by decomposing the task into a hierarchy of subgoals. The main challenge of HRL is efficient discovery of the…

Machine Learning · Computer Science 2025-07-08 Sadegh Khorasani , Saber Salehkaleybar , Negar Kiyavash , Matthias Grossglauser

The last decade has witnessed the success of the traditional feature-based method on exploiting the discrete structures such as words or lexical patterns to extract relations from text. Recently, convolutional and recurrent neural networks…

Computation and Language · Computer Science 2015-11-19 Thien Huu Nguyen , Ralph Grishman

Datasets with significant proportions of noisy (incorrect) class labels present challenges for training accurate Deep Neural Networks (DNNs). We propose a new perspective for understanding DNN generalization for such datasets, by…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Xingjun Ma , Yisen Wang , Michael E. Houle , Shuo Zhou , Sarah M. Erfani , Shu-Tao Xia , Sudanthi Wijewickrema , James Bailey

Real-world datasets usually are class-imbalanced and corrupted by label noise. To solve the joint issue of long-tailed distribution and label noise, most previous works usually aim to design a noise detector to distinguish the noisy and…

Machine Learning · Computer Science 2024-04-11 Zhuo Li , He Zhao , Zhen Li , Tongliang Liu , Dandan Guo , Xiang Wan

Branch-and-bound is a systematic enumerative method for combinatorial optimization, where the performance highly relies on the variable selection strategy. State-of-the-art handcrafted heuristic strategies suffer from relatively slow…

Machine Learning · Computer Science 2022-06-15 Tianyu Zhang , Amin Banitalebi-Dehkordi , Yong Zhang

Relation extraction (RE) plays an important role in extracting knowledge from unstructured text but requires a large amount of labeled corpus. To reduce the expensive annotation efforts, semisupervised learning aims to leverage both labeled…

Computation and Language · Computer Science 2021-03-16 Yusen Lin

Background: Deep learning models have shown promise in diagnosing neurodevelopmental disorders (NDD) like ASD and ADHD. However, many models either use graph neural networks (GNN) to construct single-level brain functional networks (BFNs)…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Yueyang Li , Weiming Zeng , Wenhao Dong , Luhui Cai , Lei Wang , Hongyu Chen , Hongjie Yan , Lingbin Bian , Nizhuan Wang

Large Language Models (LLMs) excel at understanding the semantic relationships between queries and documents, even with lengthy and complex long-tail queries. These queries are challenging for feedback-based rankings due to sparse user…

Distant supervision (DS) is a well established technique for creating large-scale datasets for relation extraction (RE) without using human annotations. However, research in DS-RE has been mostly limited to the English language.…

Computation and Language · Computer Science 2021-04-20 Abhyuday Bhartiya , Kartikeya Badola , Mausam
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