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Key-value relations are prevalent in Visually-Rich Documents (VRDs), often depicted in distinct spatial regions accompanied by specific color and font styles. These non-textual cues serve as important indicators that greatly enhance human…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Hao Wang , Tang Li , Chenhui Chu , Nengjun Zhu , Rui Wang , Pinpin Zhu

Entity type prediction is an important problem in knowledge graph (KG) research. A new KG entity type prediction method, named CORE (COmplex space Regression and Embedding), is proposed in this work. The proposed CORE method leverages the…

机器学习 · 计算机科学 2022-04-12 Xiou Ge , Yun-Cheng Wang , Bin Wang , C. -C. Jay Kuo

Knowledge graphs (KGs) have been successfully applied to the analysis of complex scientific and technological domains, with automatic KG generation methods typically building upon relation extraction models capturing fine-grained relations…

计算与语言 · 计算机科学 2025-10-15 Vanni Zavarella , Juan Carlos Gamero-Salinas , Sergio Consoli

Robust face clustering is a vital step in enabling computational understanding of visual character portrayal in media. Face clustering for long-form content is challenging because of variations in appearance and lack of supporting…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Krishna Somandepalli , Rajat Hebbar , Shrikanth Narayanan

Named entity recognition (NER) identifies typed entity mentions in raw text. While the task is well-established, there is no universally used tagset: often, datasets are annotated for use in downstream applications and accordingly only…

计算与语言 · 计算机科学 2019-10-08 Xiao Huang , Li Dong , Elizabeth Boschee , Nanyun Peng

Document-level relation extraction (DocRE) is the process of identifying and extracting relations between entities that span multiple sentences within a document. Due to its realistic settings, DocRE has garnered increasing research…

计算与语言 · 计算机科学 2025-03-19 Zhichao Duan , Tengyu Pan , Zhenyu Li , Xiuxing Li , Jianyong Wang

Relation Extraction (RE) refers to extracting the relation triples in the input text. Existing neural work based systems for RE rely heavily on manually labeled training data, but there are still a lot of domains where sufficient labeled…

计算与语言 · 计算机科学 2022-08-18 Xukun Luo , Ping Wang

Recently, the field of machine learning has undergone a transition from model-centric to data-centric. The advancements in diverse learning tasks have been propelled by the accumulation of more extensive datasets, subsequently facilitating…

机器学习 · 计算机科学 2023-10-20 Yao Lu , Yutian Huang , Jiaqi Nie , Zuohui Chen , Qi Xuan

Although having achieved great success in medical image segmentation, deep convolutional neural networks usually require a large dataset with manual annotations for training and are difficult to generalize to unseen classes. Few-shot…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Hao Tang , Xingwei Liu , Shanlin Sun , Xiangyi Yan , Xiaohui Xie

In few-shot relation classification (FSRC), models must generalize to novel relations with only a few labeled examples. While much of the recent progress in NLP has focused on scaling data size, we argue that diversity in relation types is…

计算与语言 · 计算机科学 2024-12-10 Amir DN Cohen , Shauli Ravfogel , Shaltiel Shmidman , Yoav Goldberg

Scholars studying organizations often work with multiple datasets lacking shared identifiers or covariates. In such situations, researchers usually use approximate string ("fuzzy") matching methods to combine datasets. String matching,…

社会与信息网络 · 计算机科学 2025-09-24 Brian Libgober , Connor T. Jerzak

In natural language, often multiple entities appear in the same text. However, most previous works in Relation Extraction (RE) limit the scope to identifying the relation between two entities at a time. Such an approach induces a quadratic…

计算与语言 · 计算机科学 2020-10-13 Zhijing Jin , Yongyi Yang , Xipeng Qiu , Zheng Zhang

Retrieving fine-grained visual content based on user intent remains a challenge in multi-modal systems. Although current Composed Image Retrieval (CIR) methods combine reference images with retrieval texts, they are constrained to…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Tong Wang , Guanyu Yang , Nian Liu , Zongyan Han , Jinxing Zhou , Salman Khan , Fahad Shahbaz Khan

Despite the huge and continuous advances in computational linguistics, the lack of annotated data for Named Entity Recognition (NER) is still a challenging issue, especially in low-resource languages and when domain knowledge is required…

计算与语言 · 计算机科学 2021-11-25 Valerio La Gatta , Vincenzo Moscato , Marco Postiglione , Giancarlo Sperlì

This paper addresses the few-shot image classification problem, where the classification task is performed on unlabeled query samples given a small amount of labeled support samples only. One major challenge of the few-shot learning problem…

计算机视觉与模式识别 · 计算机科学 2023-07-24 Quang-Huy Nguyen , Cuong Q. Nguyen , Dung D. Le , Hieu H. Pham

Current language models require a lot of training data to obtain high performance. For Relation Classification (RC), many datasets are domain-specific, so combining datasets to obtain better performance is non-trivial. We explore a…

Few-shot relation extraction (FSRE) focuses on recognizing novel relations by learning with merely a handful of annotated instances. Meta-learning has been widely adopted for such a task, which trains on randomly generated few-shot tasks to…

计算与语言 · 计算机科学 2021-10-26 Jiale Han , Bo Cheng , Wei Lu

The growing demand for efficient knowledge graph (KG) enrichment leveraging external corpora has intensified interest in relation extraction (RE), particularly under low-supervision settings. To address the need for adaptable and…

计算与语言 · 计算机科学 2025-07-10 Luca Mariotti , Veronica Guidetti , Federica Mandreoli

Entity recognition is a fundamental task in understanding document images. Traditional sequence labeling frameworks treat the entity types as class IDs and rely on extensive data and high-quality annotations to learn semantics which are…

计算与语言 · 计算机科学 2022-04-13 Zilong Wang , Jingbo Shang

We study the visual semantic embedding problem for image-text matching. Most existing work utilizes a tailored cross-attention mechanism to perform local alignment across the two image and text modalities. This is computationally expensive,…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Khoi Pham , Chuong Huynh , Ser-Nam Lim , Abhinav Shrivastava