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Temporal knowledge graph completion (TKGC) aims to predict the missing links among the entities in a temporal knwoledge graph (TKG). Most previous TKGC methods only consider predicting the missing links among the entities seen in the…

Machine Learning · Computer Science 2023-06-13 Zifeng Ding , Jingpei Wu , Zongyue Li , Yunpu Ma , Volker Tresp

Few-shot relation reasoning on knowledge graphs (FS-KGR) aims to infer long-tail data-poor relations, which has drawn increasing attention these years due to its practicalities. The pre-training of previous methods needs to manually…

Machine Learning · Computer Science 2024-10-28 Lingyuan Meng , Ke Liang , Bin Xiao , Sihang Zhou , Yue Liu , Meng Liu , Xihong Yang , Xinwang Liu

Conventional deep learning based methods for object detection require a large amount of bounding box annotations for training, which is expensive to obtain such high quality annotated data. Few-shot object detection, which learns to adapt…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Hanzhe Hu , Shuai Bai , Aoxue Li , Jinshi Cui , Liwei Wang

Event correlation reasoning infers whether a natural language paragraph containing multiple events conforms to human common sense. For example, "Andrew was very drowsy, so he took a long nap, and now he is very alert" is sound and…

Computation and Language · Computer Science 2021-10-14 Yucheng Zhou , Xiubo Geng , Tao Shen , Guodong Long , Daxin Jiang

This paper focuses on the problem of unsupervised relation extraction. Existing probabilistic generative model-based relation extraction methods work by extracting sentence features and using these features as inputs to train a generative…

Computation and Language · Computer Science 2020-09-29 Chenhan Yuan , Ryan Rossi , Andrew Katz , Hoda Eldardiry

Entity matching is a critical challenge in data integration and cleaning, central to tasks like fuzzy joins and deduplication. Traditional approaches have focused on overcoming fuzzy term representations through methods such as edit…

Databases · Computer Science 2024-05-30 Zezhou Huang

Named Entity Recognition task is one of the core tasks of information extraction. Word ambiguity and word abbreviation are important reasons for the low recognition rate of named entities. In this paper, we propose a novel named entity…

Computation and Language · Computer Science 2022-08-16 Renjie Zhou , Qiang Hu , Jian Wan , Jilin Zhang , Qiang Liu , Tianxiang Hu , Jianjun Li

Entity matching, a core data integration problem, is the task of deciding whether two data tuples refer to the same real-world entity. Recent advances in deep learning methods, using pre-trained language models, were proposed for resolving…

Databases · Computer Science 2023-11-28 Bar Genossar , Avigdor Gal , Roee Shraga

Learning with few labeled data is a key challenge for visual recognition, as deep neural networks tend to overfit using a few samples only. One of the Few-shot learning methods called metric learning addresses this challenge by first…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Li Ke , Meng Pan , Weigao Wen , Dong Li

Entity alignment (EA) aims to identify entities referring to the same real-world object across different knowledge graphs (KGs). Recent approaches based on large language models (LLMs) typically obtain entity embeddings through knowledge…

Computation and Language · Computer Science 2026-04-16 Cunda Wang , Ziying Ma , Po Hu , Weihua Wang , Feilong Bao

Multiclass neural network classifiers are typically trained using cross-entropy loss but evaluated using metrics derived from the confusion matrix, such as Accuracy, $F_\beta$-Score, and Matthews Correlation Coefficient. This mismatch…

Machine Learning · Computer Science 2025-05-27 Deyuan Li , Taesoo Daniel Lee , Marynel Vázquez , Nathan Tsoi

Document-level relation extraction is a complex human process that requires logical inference to extract relationships between named entities in text. Existing approaches use graph-based neural models with words as nodes and edges as…

Computation and Language · Computer Science 2019-09-04 Fenia Christopoulou , Makoto Miwa , Sophia Ananiadou

Usually, entity relation recognition systems either use a pipe-lined model that treats the entity tagging and relation identification as separate tasks or a joint model that simultaneously identifies the relation and entities. This paper…

Computation and Language · Computer Science 2020-09-21 Venkata Sasank Pagolu

Few-shot learning focuses on learning a new visual concept with very limited labelled examples. A successful approach to tackle this problem is to compare the similarity between examples in a learned metric space based on convolutional…

Machine Learning · Computer Science 2024-02-06 Heda Song , Mercedes Torres Torres , Ender Özcan , Isaac Triguero

Relation classification, a crucial component of relation extraction, involves identifying connections between two entities. Previous studies have predominantly focused on integrating the attention mechanism into relation classification at a…

Computation and Language · Computer Science 2024-07-02 Yiping Sun

We present a novel attention mechanism: Causal Attention (CATT), to remove the ever-elusive confounding effect in existing attention-based vision-language models. This effect causes harmful bias that misleads the attention module to focus…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Xu Yang , Hanwang Zhang , Guojun Qi , Jianfei Cai

Few-shot learning is an interesting and challenging study, which enables machines to learn from few samples like humans. Existing studies rarely exploit auxiliary information from large amount of unlabeled data. Self-supervised learning is…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Hainan Li , Renshuai Tao , Jun Li , Haotong Qin , Yifu Ding , Shuo Wang , Xianglong Liu

Document-level Relation Extraction (DocRE) is a more challenging task compared to its sentence-level counterpart. It aims to extract relations from multiple sentences at once. In this paper, we propose a semi-supervised framework for DocRE…

Computation and Language · Computer Science 2022-03-22 Qingyu Tan , Ruidan He , Lidong Bing , Hwee Tou Ng

A typical architecture for end-to-end entity linking systems consists of three steps: mention detection, candidate generation and entity disambiguation. In this study we investigate the following questions: (a) Can all those steps be…

Computation and Language · Computer Science 2021-01-14 Samuel Broscheit

Few-shot named entity recognition (NER) systems aims at recognizing new classes of entities based on a few labeled samples. A significant challenge in the few-shot regime is prone to overfitting than the tasks with abundant samples. The…

Computation and Language · Computer Science 2023-05-04 Zhen Yang , Yongbin Liu , Chunping Ouyang
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