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Deep or reinforcement learning (RL) approaches have been adapted as reactive agents to quickly learn and respond with new investment strategies for portfolio management under the highly turbulent financial market environments in recent…

投资组合管理 · 定量金融 2024-09-11 Zhenglong Li , Vincent Tam , Kwan L. Yeung

Existing attention mechanisms are trained to attend to individual items in a collection (the memory) with a predefined, fixed granularity, e.g., a word token or an image grid. We propose area attention: a way to attend to areas in the…

机器学习 · 计算机科学 2020-05-11 Yang Li , Lukasz Kaiser , Samy Bengio , Si Si

Machine learning and deep learning have revolutionized computational physics, particularly the simulation of complex systems. Equivariance is essential for simulating physical systems because it imposes a strong inductive bias on the…

强关联电子 · 物理学 2024-11-13 Yuki Nagai , Akio Tomiya

The Transformer model architecture has become one of the most widely used in deep learning and the attention mechanism is at its core. The standard attention formulation uses a softmax operation applied to a scaled dot product between query…

机器学习 · 计算机科学 2026-04-02 Hariprasath Govindarajan , Per Sidén , Jacob Roll , Fredrik Lindsten

Most existing One-Class Collaborative Filtering (OC-CF) algorithms estimate a user's preference as a latent vector by encoding their historical interactions. However, users often show diverse interests, which significantly increases the…

信息检索 · 计算机科学 2020-10-27 Zheda Mai , Ga Wu , Kai Luo , Scott Sanner

We introduce SOMA, the Spatial Memory framework for Out-of-Vision Manipulation in Vision-Language-Action (VLA) models. Most existing VLAs implicitly assume that task-relevant objects are always visible, leading to brittle and reactive…

机器人学 · 计算机科学 2026-05-22 Pengteng Li , Weiyu Guo , He Zhang , Tiefu Cai , Xiao He , Yandong Guo , Hui Xiong

Recently, there has been growing interest in the use of machine-learning methods for predicting solar flares. Initial efforts along these lines employed comparatively simple models, correlating features extracted from observations of…

太阳与恒星天体物理 · 物理学 2023-06-21 Varad Deshmukh , Srinivas Baskar , Elizabeth Bradley , Thomas Berger , James D. Meiss

Skeleton-based action recognition (SAR) has achieved impressive progress with transformer architectures. However, existing methods often rely on complex module compositions and heavy designs, leading to increased parameter counts, high…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Wenhan Wu , Zhishuai Guo , Chen Chen , Aidong Lu

Reward modeling is central to alignment pipelines such as RLHF, RLAIF, and PPO-based policy optimization, yet its reliability is constrained by limited and heterogeneous human preference data that are expensive to collect at scale. While…

机器学习 · 计算机科学 2026-05-26 Payel Bhattacharjee , Osvaldo Simeone , Ravi Tandon

Motion, as the uniqueness of a video, has been critical to the development of video understanding models. Modern deep learning models leverage motion by either executing spatio-temporal 3D convolutions, factorizing 3D convolutions into…

计算机视觉与模式识别 · 计算机科学 2022-06-15 Fuchen Long , Zhaofan Qiu , Yingwei Pan , Ting Yao , Jiebo Luo , Tao Mei

The Attention module finds common usage in language modeling, presenting distinct challenges within the broader scope of Natural Language Processing. Multi-Head Attention (MHA) employs an absolute positional encoding, which imposes…

计算与语言 · 计算机科学 2023-08-08 Herman Sugiharto , Aradea , Husni Mubarok

Multimodal semantic learning plays a critical role in embodied intelligence, especially when robots perceive their surroundings, understand human instructions, and make intelligent decisions. However, the field faces technical challenges…

机器人学 · 计算机科学 2025-09-24 Zeyi Kang , Liang He , Yanxin Zhang , Zuheng Ming , Kaixing Zhao

Recurrent-attention hybrids aim to combine the efficiency of recurrence with the expressivity of attention, but existing approaches typically apply attention uniformly across all positions, even when the recurrent state alone is sufficient…

人工智能 · 计算机科学 2026-05-14 Haoran Zheng , Chen Shani

This paper proposes a Rotation-equivariant Attention Feature Fusion Pyramid Networks for Aerial Object Detection named ReAFFPN. ReAFFPN aims at improving the effect of rotation-equivariant features fusion between adjacent layers which…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Chongyu Sun , Yang Xu , Zebin Wu , Zhihui Wei

Many machine learning tasks involve learning functions that are known to be invariant or equivariant to certain symmetries of the input data. However, it is often challenging to design neural network architectures that respect these…

机器学习 · 计算机科学 2022-03-17 Omri Puny , Matan Atzmon , Heli Ben-Hamu , Ishan Misra , Aditya Grover , Edward J. Smith , Yaron Lipman

Neural networks that incorporate geometric relationships respecting SE(3) group transformations (e.g. rotations and translations) are increasingly important in molecular applications, such as molecular property prediction, protein structure…

机器学习 · 计算机科学 2025-10-21 Jose Siguenza , Bharath Ramsundar

The Mamba layer offers an efficient selective state space model (SSM) that is highly effective in modeling multiple domains, including NLP, long-range sequence processing, and computer vision. Selective SSMs are viewed as dual models, in…

机器学习 · 计算机科学 2024-04-02 Ameen Ali , Itamar Zimerman , Lior Wolf

Deep learning typically relies on end-to-end backpropagation for training, a method that inherently suffers from issues such as update locking during parameter optimization, high GPU memory consumption, and a lack of biological…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Junhao Su , Feiyu Zhu , Hengyu Shi , Tianyang Han , Yurui Qiu , Junfeng Luo , Xiaoming Wei , Jialin Gao

Centered kernel alignment (CKA) is a popular metric for comparing representations, determining equivalence of networks, and neuroscience research. However, CKA does not account for the underlying manifold and relies on numerous heuristics…

机器学习 · 计算机科学 2025-10-28 Mohammad Tariqul Islam , Du Liu , Deblina Sarkar

Despite significant progress on multi-agent reinforcement learning (MARL) in recent years, coordination in complex domains remains a challenge. Work in MARL often focuses on solving tasks where agents interact with all other agents and…

机器学习 · 计算机科学 2022-09-27 Shariq Iqbal , Robby Costales , Fei Sha