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We present a joint model for entity-level relation extraction from documents. In contrast to other approaches - which focus on local intra-sentence mention pairs and thus require annotations on mention level - our model operates on entity…

计算与语言 · 计算机科学 2021-12-06 Markus Eberts , Adrian Ulges

We present a novel self-supervised approach for representation learning, particularly for the task of Visual Relationship Detection (VRD). Motivated by the effectiveness of Masked Image Modeling (MIM), we propose Masked Bounding Box…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Zacharias Anastasakis , Dimitrios Mallis , Markos Diomataris , George Alexandridis , Stefanos Kollias , Vassilis Pitsikalis

Segmenting an entire 3D image often has high computational complexity and requires large memory consumption; by contrast, performing volumetric segmentation in a slice-by-slice manner is efficient but does not fully leverage the 3D data. To…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Rutu Gandhi , Yi Hong

Relation extraction (RE) consists in categorizing the relationship between entities in a sentence. A recent paradigm to develop relation extractors is Distant Supervision (DS), which allows the automatic creation of new datasets by taking…

计算与语言 · 计算机科学 2020-10-20 Johny Moreira , Chaina Oliveira , David Macêdo , Cleber Zanchettin , Luciano Barbosa

Most of the existing multi-relational network embedding methods, e.g., TransE, are formulated to preserve pair-wise connectivity structures in the networks. With the observations that significant triangular connectivity structures and…

社会与信息网络 · 计算机科学 2018-06-11 Xin Li , Huiting Hong , Lin Liu , William K. Cheung

Weakly Labelled learning has garnered lot of attention in recent years due to its potential to scale Sound Event Detection (SED) and is formulated as Multiple Instance Learning (MIL) problem. This paper proposes a Multi-Task Learning (MTL)…

音频与语音处理 · 电气工程与系统科学 2020-11-02 Soham Deshmukh , Bhiksha Raj , Rita Singh

Long-term prediction of multivariate time series is still an important but challenging problem. The key to solve this problem is to capture the spatial correlations at the same time, the spatio-temporal relationships at different times and…

机器学习 · 计算机科学 2019-04-17 Yeqi Liu , Chuanyang Gong , Ling Yang , Yingyi Chen

Attention layers are widely used in natural language processing (NLP) and are beginning to influence computer vision architectures. Training very large transformer models allowed significant improvement in both fields, but once trained,…

机器学习 · 计算机科学 2021-05-21 Jean-Baptiste Cordonnier , Andreas Loukas , Martin Jaggi

Distributed radar sensors enable robust human activity recognition. However, scaling the number of coordinated nodes introduces challenges in feature extraction from large datasets, and transparent data fusion. We propose an end-to-end…

信号处理 · 电气工程与系统科学 2026-01-07 Mina Shahbazifar , Zolfa Zeinalpour-Yazdi , Matthias Hollick , Arash Asadi , Vahid Jamali

This paper proposes a serialized multi-layer multi-head attention for neural speaker embedding in text-independent speaker verification. In prior works, frame-level features from one layer are aggregated to form an utterance-level…

声音 · 计算机科学 2021-07-15 Hongning Zhu , Kong Aik Lee , Haizhou Li

Transformer models have achieved remarkable success in sequential recommender systems (SRSs). However, computing the attention matrix in traditional dot-product attention mechanisms results in a quadratic complexity with sequence lengths,…

信息检索 · 计算机科学 2024-11-05 Langming Liu , Xiangyu Zhao , Chi Zhang , Jingtong Gao , Wanyu Wang , Wenqi Fan , Yiqi Wang , Ming He , Zitao Liu , Qing Li

The tracking-by-detection framework requires a set of positive and negative training samples to learn robust tracking models for precise localization of target objects. However, existing tracking models mostly treat different samples…

计算机视觉与模式识别 · 计算机科学 2018-11-28 Xiao Wang , Chenglong Li , Rui Yang , Tianzhu Zhang , Jin Tang , Bin Luo

Attributed network representation learning aims at learning node embeddings by integrating network structure and attribute information. It is a challenge to fully capture the microscopic structure and the attribute semantics simultaneously,…

人工智能 · 计算机科学 2021-04-13 Cong Li , Min Shi , Bo Qu , Xiang Li

At the heart of all automated driving systems is the ability to sense the surroundings, e.g., through semantic segmentation of LiDAR sequences, which experienced a remarkable progress due to the release of large datasets such as…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Kunyu Peng , Juncong Fei , Kailun Yang , Alina Roitberg , Jiaming Zhang , Frank Bieder , Philipp Heidenreich , Christoph Stiller , Rainer Stiefelhagen

In this manuscript, we study the learning of deep attention neural networks, defined as the composition of multiple self-attention layers, with tied and low-rank weights. We first establish a mapping of such models to sequence multi-index…

机器学习 · 计算机科学 2025-11-13 Emanuele Troiani , Hugo Cui , Yatin Dandi , Florent Krzakala , Lenka Zdeborová

Distant supervised relation extraction has been successfully applied to large corpus with thousands of relations. However, the inevitable wrong labeling problem by distant supervision will hurt the performance of relation extraction. In…

计算与语言 · 计算机科学 2018-11-15 Shanchan Wu , Kai Fan , Qiong Zhang

Strongly supervised learning requires detailed knowledge of truth labels at instance levels, and in many machine learning applications this is a major drawback. Multiple instance learning (MIL) is a popular weakly supervised learning method…

机器学习 · 计算机科学 2022-02-18 Saul Fuster , Trygve Eftestøl , Kjersti Engan

State-of-the-art audio event detection (AED) systems rely on supervised learning using strongly labeled data. However, this dependence severely limits scalability to large-scale datasets where fine resolution annotations are too expensive…

声音 · 计算机科学 2018-03-28 Shao-Yen Tseng , Juncheng Li , Yun Wang , Joseph Szurley , Florian Metze , Samarjit Das

Attention-based architectures have become ubiquitous in machine learning, yet our understanding of the reasons for their effectiveness remains limited. This work proposes a new way to understand self-attention networks: we show that their…

机器学习 · 计算机科学 2023-08-02 Yihe Dong , Jean-Baptiste Cordonnier , Andreas Loukas

Self-supervised learning holds promise to revolutionize molecule property prediction - a central task to drug discovery and many more industries - by enabling data efficient learning from scarce experimental data. Despite significant…

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