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相关论文: Learning Positional Attention for Sequential Recom…

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Recently, encoder-decoder neural networks have shown impressive performance on many sequence-related tasks. The architecture commonly uses an attentional mechanism which allows the model to learn alignments between the source and the target…

计算与语言 · 计算机科学 2017-11-06 Andros Tjandra , Sakriani Sakti , Satoshi Nakamura

Attention-based models, such as Transformer, excel across various tasks but lack a comprehensive theoretical understanding, especially regarding token-wise sparsity and internal linear representations. To address this gap, we introduce the…

机器学习 · 统计学 2025-02-27 Pierre Marion , Raphaël Berthier , Gérard Biau , Claire Boyer

The brain is targeted for processing temporal sequence information. It remains largely unclear how the brain learns to store and retrieve sequence memories. Here, we study how recurrent networks of binary neurons learn sequence attractors…

神经与进化计算 · 计算机科学 2024-04-04 Yao Lu , Si Wu

Sequential recommender systems identify user preferences from their past interactions to predict subsequent items optimally. Although traditional deep-learning-based models and modern transformer-based models in previous studies capture…

信息检索 · 计算机科学 2024-02-20 Hansol Jung , Hyunwoo Seo , Chiehyeon Lim

The great success of Transformer-based models benefits from the powerful multi-head self-attention mechanism, which learns token dependencies and encodes contextual information from the input. Prior work strives to attribute model decisions…

计算与语言 · 计算机科学 2021-02-26 Yaru Hao , Li Dong , Furu Wei , Ke Xu

Positional encodings are essential to transformer-based generative models, yet their behavior in multimodal and attention-sharing settings is not fully understood. In this work, we present a principled analysis of Rotary Positional…

图形学 · 计算机科学 2026-02-06 Aryan Mikaeili , Or Patashnik , Andrea Tagliasacchi , Daniel Cohen-Or , Ali Mahdavi-Amiri

Recent progress in NLP witnessed the development of large-scale pre-trained language models (GPT, BERT, XLNet, etc.) based on Transformer (Vaswani et al. 2017), and in a range of end tasks, such models have achieved state-of-the-art…

计算与语言 · 计算机科学 2019-11-12 Pengxiang Cheng , Katrin Erk

Image-text matching tasks have recently attracted a lot of attention in the computer vision field. The key point of this cross-domain problem is how to accurately measure the similarity between the visual and the textual contents, which…

计算与语言 · 计算机科学 2019-07-24 Yaxiong Wang , Hao Yang , Xueming Qian , Lin Ma , Jing Lu , Biao Li , Xin Fan

Transformer architectures rely on explicit position encodings in order to preserve a notion of word order. In this paper, we argue that existing work does not fully utilize position information. For example, the initial proposal of a…

计算与语言 · 计算机科学 2020-09-30 Zhiheng Huang , Davis Liang , Peng Xu , Bing Xiang

Transformer-based models have brought a radical change to neural machine translation. A key feature of the Transformer architecture is the so-called multi-head attention mechanism, which allows the model to focus simultaneously on different…

计算与语言 · 计算机科学 2020-10-06 Alessandro Raganato , Yves Scherrer , Jörg Tiedemann

Since self-attention layers in Transformers are permutation invariant by design, positional encodings must be explicitly incorporated to enable spatial understanding. However, fixed-size lookup tables used in traditional learnable position…

机器学习 · 计算机科学 2025-06-18 Huayang Li , Yahui Liu , Hongyu Sun , Deng Cai , Leyang Cui , Wei Bi , Peilin Zhao , Taro Watanabe

Neural attention has become central to many state-of-the-art models in natural language processing and related domains. Attention networks are an easy-to-train and effective method for softly simulating alignment; however, the approach does…

机器学习 · 统计学 2018-11-09 Yuntian Deng , Yoon Kim , Justin Chiu , Demi Guo , Alexander M. Rush

Recent recommender system advancements have focused on developing sequence-based and graph-based approaches. Both approaches proved useful in modeling intricate relationships within behavioral data, leading to promising outcomes in…

信息检索 · 计算机科学 2024-03-18 Vladimir Baikalov , Evgeny Frolov

The use of positional embeddings in transformer language models is widely accepted. However, recent research has called into question the necessity of such embeddings. We further extend this inquiry by demonstrating that a randomly…

计算与语言 · 计算机科学 2023-05-24 Ta-Chung Chi , Ting-Han Fan , Li-Wei Chen , Alexander I. Rudnicky , Peter J. Ramadge

Network embedding represents nodes in a continuous vector space and preserves structure information from the Network. Existing methods usually adopt a "one-size-fits-all" approach when concerning multi-scale structure information, such as…

机器学习 · 计算机科学 2018-03-28 Lei Sang , Min Xu , Shengsheng Qian , Xindong Wu

Recent work in learning ontologies (hierarchical and partially-ordered structures) has leveraged the intrinsic geometry of spaces of learned representations to make predictions that automatically obey complex structural constraints. We…

计算与语言 · 计算机科学 2017-08-03 Xiang Li , Luke Vilnis , Andrew McCallum

Language models can be viewed as functions that embed text into Euclidean space, where the quality of the embedding vectors directly determines model performance, training such neural networks involves various uncertainties. This paper…

计算与语言 · 计算机科学 2025-03-31 Yifei Duan , Raphael Shang , Deng Liang , Yongqiang Cai

In the near future, more and more machines will perform tasks in the vicinity of human spaces or support them directly in their spatially bound activities. In order to simplify the verbal communication and the interaction between robotic…

机器学习 · 计算机科学 2020-04-14 Sebastian Feld , Steffen Illium , Andreas Sedlmeier , Lenz Belzner

Mechanisms for encoding positional information are central for transformer-based language models. In this paper, we analyze the position embeddings of existing language models, finding strong evidence of translation invariance, both for the…

计算与语言 · 计算机科学 2021-06-04 Ulme Wennberg , Gustav Eje Henter

The attention mechanism provides a sequential prediction framework for learning spatial models with enhanced implicit temporal consistency. In this work, we show a systematic design (from 2D to 3D) for how conventional networks and other…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Ruixu Liu , Ju Shen , He Wang , Chen Chen , Sen-ching Cheung , Vijayan K. Asari