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Signed Graph Neural Networks (SGNNs) are effective in learning expressive representations for signed graphs but typically require substantial task-specific labels, limiting their applicability in label-scarce industrial scenarios. In…

机器学习 · 计算机科学 2025-08-19 Zian Zhai , Sima Qing , Xiaoyang Wang , Wenjie Zhang

Deep graph generative modeling has gained enormous attraction in recent years due to its impressive ability to directly learn the underlying hidden graph distribution. Despite their initial success, these techniques, like much of the…

机器学习 · 计算机科学 2023-12-15 Sahil Manchanda , Shubham Gupta , Sayan Ranu , Srikanta Bedathur

Deep neural networks are known to suffer the catastrophic forgetting problem, where they tend to forget the knowledge from the previous tasks when sequentially learning new tasks. Such failure hinders the application of deep learning based…

机器学习 · 计算机科学 2018-12-04 Junfeng Wen , Yanshuai Cao , Ruitong Huang

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

Reinforcement learning (RL) is an effective method of finding reasoning pathways in incomplete knowledge graphs (KGs). To overcome the challenges of a large action space, a self-supervised pre-training method is proposed to warm up the…

计算与语言 · 计算机科学 2025-04-17 Ying Ma , Owen Burns , Mingqiu Wang , Gang Li , Nan Du , Laurent El Shafey , Liqiang Wang , Izhak Shafran , Hagen Soltau

In this paper, we mainly focus on the problem of how to learn additional feature representations for few-shot image classification through pretext tasks (e.g., rotation or color permutation and so on). This additional knowledge generated by…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Min Zhang , Siteng Huang , Wenbin Li , Donglin Wang

Recent developments in pre-trained neural language modeling have led to leaps in accuracy on commonsense question-answering benchmarks. However, there is increasing concern that models overfit to specific tasks, without learning to utilize…

计算与语言 · 计算机科学 2020-12-16 Kaixin Ma , Filip Ilievski , Jonathan Francis , Yonatan Bisk , Eric Nyberg , Alessandro Oltramari

Few-Shot Relation Extraction (FSRE) remains a challenging task due to the scarcity of annotated data and the limited generalization capabilities of existing models. Although large language models (LLMs) have demonstrated potential in FSRE…

计算与语言 · 计算机科学 2025-05-20 Quanjiang Guo , Jinchuan Zhang , Sijie Wang , Ling Tian , Zhao Kang , Bin Yan , Weidong Xiao

While relation extraction is an essential task in knowledge acquisition and representation, and new-generated relations are common in the real world, less effort is made to predict unseen relations that cannot be observed at the training…

计算与语言 · 计算机科学 2021-04-13 Chih-Yao Chen , Cheng-Te Li

We tackle real-world problems with complex structures beyond the pixel-based game or simulator. We formulate it as a few-shot reinforcement learning problem where a task is characterized by a subtask graph that defines a set of subtasks and…

机器学习 · 计算机科学 2022-05-26 Sungryull Sohn , Hyunjae Woo , Jongwook Choi , lyubing qiang , Izzeddin Gur , Aleksandra Faust , Honglak Lee

Despite the advances made in visual object recognition, state-of-the-art deep learning models struggle to effectively recognize novel objects in a few-shot setting where only a limited number of examples are provided. Unlike humans who…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Sarthak Bhagat , Simon Stepputtis , Joseph Campbell , Katia Sycara

Data-driven semantic communication is based on superficial statistical patterns, thereby lacking interpretability and generalization, especially for applications with the presence of unseen data. To address these challenges, we propose a…

机器学习 · 计算机科学 2025-07-04 Zhaoyu Zhang , Lingyi Wang , Wei Wu , Fuhui Zhou , Qihui Wu

This paper tackles the problem of few-shot learning, which aims to learn new visual concepts from a few examples. A common problem setting in few-shot classification assumes random sampling strategy in acquiring data labels, which is…

计算机视觉与模式识别 · 计算机科学 2022-01-10 Shipeng Yan , Songyang Zhang , Xuming He

As a structured representation of the image content, the visual scene graph (visual relationship) acts as a bridge between computer vision and natural language processing. Existing models on the scene graph generation task notoriously…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Yuyu Guo , Jingkuan Song , Lianli Gao , Heng Tao Shen

Recently, few-shot molecular property prediction (FSMPP) has garnered increasing attention. Despite impressive breakthroughs achieved by existing methods, they often overlook the inherent many-to-many relationships between molecules and…

定量方法 · 定量生物学 2024-05-27 Zeyu Wang , Tianyi Jiang , Yao Lu , Xiaoze Bao , Shanqing Yu , Bin Wei , Qi Xuan

Question answering (QA) over knowledge bases (KBs) is challenging because of the diverse, essentially unbounded, types of reasoning patterns needed. However, we hypothesize in a large KB, reasoning patterns required to answer a query type…

Extracting hyper-relations is crucial for constructing comprehensive knowledge graphs, but there are limited supervised methods available for this task. To address this gap, we introduce a zero-shot prompt-based method using OpenAI's…

计算与语言 · 计算机科学 2024-03-19 Preetha Datta , Fedor Vitiugin , Anastasiia Chizhikova , Nitin Sawhney

In the task of Knowledge Graph Completion (KGC), the existing datasets and their inherent subtasks carry a wealth of shared knowledge that can be utilized to enhance the representation of knowledge triplets and overall performance. However,…

计算与语言 · 计算机科学 2024-05-14 Yongxue Shan , Jie Zhou , Jie Peng , Xin Zhou , Jiaqian Yin , Xiaodong Wang

Different from traditional knowledge graphs (KGs) where facts are represented as entity-relation-entity triplets, hyper-relational KGs (HKGs) allow triplets to be associated with additional relation-entity pairs (a.k.a qualifiers) to convey…

机器学习 · 计算机科学 2021-04-19 Donghan Yu , Yiming Yang

Zero-shot Relation Triplet Extraction (ZeroRTE) aims to extract relation triplets from texts containing unseen relation types. This capability benefits various downstream information retrieval (IR) tasks. The primary challenge lies in…

计算与语言 · 计算机科学 2025-04-29 Wanli Li , Tieyun Qian , Yi Song , Zeyu Zhang , Jiawei Li , Zhuang Chen , Lixin Zou