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Most approaches that model time-series data in human activity recognition based on body-worn sensing (HAR) use a fixed size temporal context to represent different activities. This might, however, not be apt for sets of activities with…

计算机视觉与模式识别 · 计算机科学 2018-05-22 Vishvak S Murahari , Thomas Ploetz

Transformers have had tremendous impact for several sequence related tasks, largely due to their ability to retrieve from any part of the sequence via softmax based dot-product attention. This mechanism plays a crucial role in Transformer's…

机器学习 · 计算机科学 2025-07-15 Sai Surya Duvvuri , Inderjit S. Dhillon

The Transformer architecture aggregates input information through the self-attention mechanism, but there is no clear understanding of how this information is mixed across the entire model. Additionally, recent works have demonstrated that…

计算与语言 · 计算机科学 2022-10-25 Javier Ferrando , Gerard I. Gállego , Marta R. Costa-jussà

Attention layers -- which map a sequence of inputs to a sequence of outputs -- are core building blocks of the Transformer architecture which has achieved significant breakthroughs in modern artificial intelligence. This paper presents a…

机器学习 · 计算机科学 2023-07-24 Hengyu Fu , Tianyu Guo , Yu Bai , Song Mei

We propose a novel Transformer encoder-based architecture with syntactical knowledge encoded for intent detection and slot filling. Specifically, we encode syntactic knowledge into the Transformer encoder by jointly training it to predict…

人工智能 · 计算机科学 2020-12-23 Jixuan Wang , Kai Wei , Martin Radfar , Weiwei Zhang , Clement Chung

Attention mechanisms represent a fundamental paradigm shift in neural network architectures, enabling models to selectively focus on relevant portions of input sequences through learned weighting functions. This monograph provides a…

机器学习 · 计算机科学 2026-01-08 Hasi Hays

Transformers have shown strong ability to model long-term dependencies and are increasingly adopted as world models in model-based reinforcement learning (RL) under partial observability. However, unlike natural language corpora, RL…

机器学习 · 计算机科学 2025-11-11 Daniel De Dios Allegue , Jinke He , Frans A. Oliehoek

Traditional sentiment analysis has long been a unimodal task, relying solely on text. This approach overlooks non-verbal cues such as vocal tone and prosody that are essential for capturing true emotional intent. We introduce Dynamic…

计算与语言 · 计算机科学 2025-09-30 Sadia Abdulhalim , Muaz Albaghdadi , Moshiur Farazi

The Transformer model is widely used in natural language processing for sentence representation. However, the previous Transformer-based models focus on function words that have limited meaning in most cases and could merely extract…

计算与语言 · 计算机科学 2021-07-05 Yu Shi

Initially introduced as a machine translation model, the Transformer architecture has now become the foundation for modern deep learning architecture, with applications in a wide range of fields, from computer vision to natural language…

计算与语言 · 计算机科学 2024-06-21 Martin Courtois , Malte Ostendorff , Leonhard Hennig , Georg Rehm

We introduce a new attention mechanism, dubbed structural self-attention (StructSA), that leverages rich correlation patterns naturally emerging in key-query interactions of attention. StructSA generates attention maps by recognizing…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Manjin Kim , Paul Hongsuck Seo , Cordelia Schmid , Minsu Cho

The attention mechanism within the transformer architecture enables the model to weigh and combine tokens based on their relevance to the query. While self-attention has enjoyed major success, it notably treats all queries $q$ in the same…

机器学习 · 计算机科学 2024-11-21 Xuechen Zhang , Xiangyu Chang , Mingchen Li , Amit Roy-Chowdhury , Jiasi Chen , Samet Oymak

Structured sentiment analysis, which aims to extract the complex semantic structures such as holders, expressions, targets, and polarities, has obtained widespread attention from both industry and academia. Unfortunately, the existing…

计算与语言 · 计算机科学 2022-06-01 Qi Zhang , Jie Zhou , Qin Chen , Qingchun Bai , Jun Xiao , Liang He

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

Large language models (LLMs) are known for their exceptional performance in natural language processing, making them highly effective in many human life-related or even job-related tasks. The attention mechanism in the Transformer…

计算与语言 · 计算机科学 2023-04-27 Shuai Li , Zhao Song , Yu Xia , Tong Yu , Tianyi Zhou

Neural sequence models have achieved great success in sentence-level sentiment classification. However, some models are exceptionally complex or based on expensive features. Some other models recognize the value of existed linguistic…

计算与语言 · 计算机科学 2019-10-21 Yan Zeng , Yangyang Lan , Yazhou Hao , Chen Li , Qinhua Zheng

Different from the emotion recognition in individual utterances, we propose a multimodal learning framework using relation and dependencies among the utterances for conversational emotion analysis. The attention mechanism is applied to the…

计算与语言 · 计算机科学 2019-10-25 Zheng Lian , Jianhua Tao , Bin Liu , Jian Huang

Building models that take advantage of the hierarchical structure of language without a priori annotation is a longstanding goal in natural language processing. We introduce such a model for the task of machine translation, pairing a…

计算与语言 · 计算机科学 2017-09-07 James Bradbury , Richard Socher

The quadratic complexity of self-attention in Transformer models remains a significant bottleneck for processing long sequences and deploying large language models efficiently. For this approach, there has been significant research into…

计算与语言 · 计算机科学 2026-05-26 Spandan Pratyush

In this paper we propose a neural network model with a novel Sequential Attention layer that extends soft attention by assigning weights to words in an input sequence in a way that takes into account not just how well that word matches a…

计算与语言 · 计算机科学 2017-06-28 Sebastian Brarda , Philip Yeres , Samuel R. Bowman