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Continual learning (CL) is crucial for language models to dynamically adapt to the evolving real-world demands. To mitigate the catastrophic forgetting problem in CL, data replay has been proven a simple and effective strategy, and the…

计算与语言 · 计算机科学 2024-11-12 Jinghan He , Haiyun Guo , Kuan Zhu , Zihan Zhao , Ming Tang , Jinqiao Wang

Recent advancements in scene text spotting have focused on end-to-end methodologies that heavily rely on precise location annotations, which are often costly and labor-intensive to procure. In this study, we introduce an innovative approach…

计算机视觉与模式识别 · 计算机科学 2025-04-23 Jing Li , Bo Wang

We introduce exclusive self attention (XSA), a simple modification of self attention (SA) that improves Transformer's sequence modeling performance. The key idea is to constrain attention to capture only information orthogonal to the…

机器学习 · 计算机科学 2026-03-11 Shuangfei Zhai

This paper proposes Attention-Seeker, an unsupervised keyphrase extraction method that leverages self-attention maps from a Large Language Model to estimate the importance of candidate phrases. Our approach identifies specific components -…

计算与语言 · 计算机科学 2024-12-17 Erwin D. López Z. , Cheng Tang , Atsushi Shimada

Spectral bias implies an imbalance in training dynamics, whereby high-frequency components may converge substantially more slowly than low-frequency ones. To alleviate this issue, we propose a cross-attention-based architecture that…

数值分析 · 数学 2025-12-23 Xiaodong Feng , Tao Tang , Xiaoliang Wan , Tao Zhou

The transformer architecture has driven breakthroughs in recent years on tasks which require modeling pairwise relationships between sequential elements, as is the case in natural language understanding. However, long seqeuences pose a…

计算与语言 · 计算机科学 2024-03-26 Heejun Lee , Jina Kim , Jeffrey Willette , Sung Ju Hwang

Large language models' behavior is often shaped by instructions such as system prompts, refusal boundaries, privacy constraints, and tool-use rules that must hold at inference time. Yet in practice these constraints can be violated under…

计算与语言 · 计算机科学 2026-03-27 Vitoria Guardieiro , Avishree Khare , Adam Stein , Eric Wong

The Transformer architecture has become the foundation of modern deep learning, yet its core self-attention mechanism suffers from quadratic computational complexity and lacks grounding in biological neural computation. We propose Selective…

机器学习 · 计算机科学 2026-02-17 Hasi Hays

To mitigate the computational complexity in the self-attention mechanism on long sequences, linear attention utilizes computation tricks to achieve linear complexity, while state space models (SSMs) popularize a favorable practice of using…

机器学习 · 计算机科学 2024-06-17 Zicheng Liu , Siyuan Li , Li Wang , Zedong Wang , Yunfan Liu , Stan Z. Li

Audio diffusion models can synthesize high-fidelity music from text, yet achieving fine-grained control over specific musical attributes remains challenging, as their internal mechanisms for representing high-level concepts are poorly…

声音 · 计算机科学 2026-05-20 Łukasz Staniszewski , Katarzyna Zaleska , Mateusz Modrzejewski , Kamil Deja

The standard content-based attention mechanism typically used in sequence-to-sequence models is computationally expensive as it requires the comparison of large encoder and decoder states at each time step. In this work, we propose an…

计算与语言 · 计算机科学 2017-07-04 Denny Britz , Melody Y. Guan , Minh-Thang Luong

Scene Text Recognition (STR), the task of recognizing text against complex image backgrounds, is an active area of research. Current state-of-the-art (SOTA) methods still struggle to recognize text written in arbitrary shapes. In this…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Ron Litman , Oron Anschel , Shahar Tsiper , Roee Litman , Shai Mazor , R. Manmatha

This paper introduces Syntactic Attention Pruning (SAP), a novel method for effectively pruning attention heads in Transformer models. Unlike conventional approaches that rely solely on mathematical analysis of model weights and…

计算与语言 · 计算机科学 2025-12-23 Tzu-Yun Lee , Ding-Yong Hong , Jan-Jan Wu

Subliminal learning describes a student language model inheriting a behavioral bias by fine-tuning on seemingly innocuous data generated by a biased teacher model. Prior work has begun to characterize this phenomenon but leaves open…

计算与语言 · 计算机科学 2026-04-29 George Morgulis , John Hewitt

Steering methods influence Large Language Model behavior by identifying semantic directions in hidden representations, but are typically realized through inference-time activation interventions that apply a fixed, global modification to the…

计算与语言 · 计算机科学 2026-03-04 Chung-En Sun , Ge Yan , Zimo Wang , Tsui-Wei Weng

In many real-world applications, users rely on natural language instructions to guide large language models (LLMs) across a wide range of tasks. These instructions are often complex, diverse, and subject to frequent change. However, LLMs do…

机器学习 · 计算机科学 2026-01-27 Praveen Venkateswaran , Danish Contractor

In recent years, the long-range attention mechanism of vision transformers has driven significant performance breakthroughs across various computer vision tasks. However, the traditional self-attention mechanism, which processes both…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Tianyi Zhang , Baoxin Li , Jae-sun Seo , Yu Cao

While the self-attention mechanism has been widely used in a wide variety of tasks, it has the unfortunate property of a quadratic cost with respect to the input length, which makes it difficult to deal with long inputs. In this paper, we…

计算与语言 · 计算机科学 2020-09-30 Xiaoya Li , Yuxian Meng , Mingxin Zhou , Qinghong Han , Fei Wu , Jiwei Li

Modeling long sequences is crucial for various large-scale models; however, extending existing architectures to handle longer sequences presents significant technical and resource challenges. In this paper, we propose an efficient and…

计算与语言 · 计算机科学 2024-10-08 Ning Wang , Zekun Li , Tongxin Bai , Guoqi Li

Long-context modeling is crucial for next-generation language models, yet the high computational cost of standard attention mechanisms poses significant computational challenges. Sparse attention offers a promising direction for improving…