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Relation Extraction (RE) has attracted increasing attention, but current RE evaluation is limited to in-domain evaluation setups. Little is known on how well a RE system fares in challenging, but realistic out-of-distribution evaluation…

计算与语言 · 计算机科学 2022-10-19 Elisa Bassignana , Barbara Plank

Though deep learning based scene text detection has achieved great progress, well-trained detectors suffer from severe performance degradation for different domains. In general, a tremendous amount of data is indispensable to train the…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Yudi Chen , Wei Wang , Yu Zhou , Fei Yang , Dongbao Yang , Weiping Wang

Retrieval Augmented Generation (RAG) is widely employed to ground responses to queries on domain-specific documents. But do RAG implementations leave out important information when answering queries that need an integrated analysis of…

信息检索 · 计算机科学 2025-01-24 Jingwei Ni , Tobias Schimanski , Meihong Lin , Mrinmaya Sachan , Elliott Ash , Markus Leippold

Generating adversarial scenarios, which have the potential to fail autonomous driving systems, provides an effective way to improve robustness. Extending purely data-driven generative models, recent specialized models satisfy additional…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Wenhao Ding , Haohong Lin , Bo Li , Ding Zhao

Text augmentation is a technique for constructing synthetic data from an under-resourced corpus to improve predictive performance. Synthetic data generation is common in numerous domains. However, recently text augmentation has emerged in…

计算与语言 · 计算机科学 2023-09-12 Mosleh Mahamud , Zed Lee , Isak Samsten

Generative document retrieval, an emerging paradigm in information retrieval, learns to build connections between documents and identifiers within a single model, garnering significant attention. However, there are still two challenges: (1)…

信息检索 · 计算机科学 2024-05-14 Yong Guan , Dingxiao Liu , Jinchen Ma , Hao Peng , Xiaozhi Wang , Lei Hou , Ru Li

Identification and categorization of social media posts generated during disasters are crucial to reduce the sufferings of the affected people. However, lack of labeled data is a significant bottleneck in learning an effective…

计算与语言 · 计算机科学 2024-10-28 Samujjwal Ghosh , Subhadeep Maji , Maunendra Sankar Desarkar

Machine learning models are vulnerable to maliciously crafted Adversarial Examples (AEs). Training a machine learning model with AEs improves its robustness and stability against adversarial attacks. It is essential to develop models that…

计算与语言 · 计算机科学 2024-03-19 Javad Rafiei Asl , Mohammad H. Rafiei , Manar Alohaly , Daniel Takabi

Nested Event Extraction (NEE) aims to extract complex event structures where an event contains other events as its arguments recursively. Nested events involve a kind of Pivot Elements (PEs) that simultaneously act as arguments of…

计算与语言 · 计算机科学 2024-04-09 Weicheng Ren , Zixuan Li , Xiaolong Jin , Long Bai , Miao Su , Yantao Liu , Saiping Guan , Jiafeng Guo , Xueqi Cheng

Event argument extraction (EAE) has been well studied at the sentence level but under-explored at the document level. In this paper, we study to capture event arguments that actually spread across sentences in documents. Prior works usually…

计算与语言 · 计算机科学 2023-05-29 Xianjun Yang , Yujie Lu , Linda Petzold

Crowdsourcing is regarded as one prospective solution for effective supervised learning, aiming to build large-scale annotated training data by crowd workers. Previous studies focus on reducing the influences from the noises of the…

计算与语言 · 计算机科学 2021-11-16 Xin Zhang , Guangwei Xu , Yueheng Sun , Meishan Zhang , Pengjun Xie

Sound event detection is an important facet of audio tagging that aims to identify sounds of interest and define both the sound category and time boundaries for each sound event in a continuous recording. With advances in deep neural…

声音 · 计算机科学 2024-12-31 Sangwook Park , David K. Han , Mounya Elhilali

Speech Event Extraction (SpeechEE) is a challenging task that lies at the intersection of Automatic Speech Recognition (ASR) and Natural Language Processing (NLP), requiring the identification of structured event information from spoken…

计算与语言 · 计算机科学 2025-09-30 Máté Gedeon

Event-based cameras have recently shown great potential for high-speed motion estimation owing to their ability to capture temporally rich information asynchronously. Spiking Neural Networks (SNNs), with their neuro-inspired event-driven…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Adarsh Kumar Kosta , Kaushik Roy

Unsupervised Graph Domain Adaptation (UGDA) leverages labeled source domain graphs to achieve effective performance in unlabeled target domains despite distribution shifts. However, existing methods often yield suboptimal results due to the…

机器学习 · 计算机科学 2025-07-11 Junyu Luo , Yuhao Tang , Yiwei Fu , Xiao Luo , Zhizhuo Kou , Zhiping Xiao , Wei Ju , Wentao Zhang , Ming Zhang

Target domain pseudo-labelling has shown effectiveness in unsupervised domain adaptation (UDA). However, pseudo-labels of unlabeled target domain data are inevitably noisy due to the distribution shift between source and target domains.…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Zhongying Deng , Da Li , Junjun He , Yi-Zhe Song , Tao Xiang

This paper presents a new learning strategy for the Sound Event Detection (SED) system to tackle the issues of i) knowledge migration from a pre-trained model to a new target model and ii) learning new sound events without forgetting the…

机器学习 · 计算机科学 2020-03-30 Eunjeong Koh , Fatemeh Saki , Yinyi Guo , Cheng-Yu Hung , Erik Visser

Event cameras, with their high dynamic range and temporal resolution, are ideally suited for object detection, especially under scenarios with motion blur and challenging lighting conditions. However, while most existing approaches…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Ziming Wang , Ziling Wang , Huaning Li , Lang Qin , Runhao Jiang , De Ma , Huajin Tang

Unsupervised domain adaptation (UDA) aims to transfer the knowledge from the labeled source domain to the unlabeled target domain. Existing self-training based UDA approaches assign pseudo labels for target data and treat them as ground…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Xiaoqing Guo , Chen Yang , Baopu Li , Yixuan Yuan

Recently, it has attracted much attention to build reliable named entity recognition (NER) systems using limited annotated data. Nearly all existing works heavily rely on domain-specific resources, such as external lexicons and knowledge…

计算与语言 · 计算机科学 2021-01-05 Houjin Yu , Xian-Ling Mao , Zewen Chi , Wei Wei , Heyan Huang