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Task-oriented grasping (TOG) refers to the problem of predicting grasps on an object that enable subsequent manipulation tasks. To model the complex relationships between objects, tasks, and grasps, existing methods incorporate semantic…

机器人学 · 计算机科学 2023-09-21 Chao Tang , Dehao Huang , Wenqi Ge , Weiyu Liu , Hong Zhang

The knowledge graph (KG) stores a large amount of structural knowledge, while it is not easy for direct human understanding. Knowledge graph-to-text (KG-to-text) generation aims to generate easy-to-understand sentences from the KG, and at…

人工智能 · 计算机科学 2022-07-05 Jin Liu , Chongfeng Fan , Fengyu Zhou , Huijuan Xu

Document categorization, which aims to assign a topic label to each document, plays a fundamental role in a wide variety of applications. Despite the success of existing studies in conventional supervised document classification, they are…

计算与语言 · 计算机科学 2023-10-24 Yu Zhang , Yu Meng , Jiaxin Huang , Frank F. Xu , Xuan Wang , Jiawei Han

Graph representation learning is to learn universal node representations that preserve both node attributes and structural information. The derived node representations can be used to serve various downstream tasks, such as node…

机器学习 · 计算机科学 2020-11-16 Yuxiang Ren , Bo Liu , Chao Huang , Peng Dai , Liefeng Bo , Jiawei Zhang

Document-level knowledge graph (KG) construction faces a fundamental scaling challenge: existing methods either rely on expensive large language models (LLMs), making them economically nonviable for large-scale corpora, or employ smaller…

Large language models (LLMs) have demonstrated remarkable capabilities in a wide range of tasks, yet their application to specialized domains remains challenging due to the need for deep expertise. Retrieval-Augmented generation (RAG) has…

In data-to-text (D2T) generation, training on in-domain data leads to overfitting to the data representation and repeating training data noise. We examine how to avoid finetuning pretrained language models (PLMs) on D2T generation datasets…

计算与语言 · 计算机科学 2022-03-31 Zdeněk Kasner , Ondřej Dušek

We propose the Graph2Graph Transformer architecture for conditioning on and predicting arbitrary graphs, and apply it to the challenging task of transition-based dependency parsing. After proposing two novel Transformer models of…

计算与语言 · 计算机科学 2021-03-22 Alireza Mohammadshahi , James Henderson

Graph Neural Networks (GNNs) have achieved state-of-the-art results for semi-supervised node classification on graphs. Nevertheless, the challenge of how to effectively learn GNNs with very few labels is still under-explored. As one of the…

机器学习 · 计算机科学 2022-01-21 Yayong Li , Jie Yin , Ling Chen

Commonsense knowledge is crucial to many natural language processing tasks. Existing works usually incorporate graph knowledge with conventional graph neural networks (GNNs), resulting in a sequential pipeline that compartmentalizes the…

计算与语言 · 计算机科学 2024-09-24 Hongbo Zhang , Chen Tang , Tyler Loakman , Bohao Yang , Stefan Goetze , Chenghua Lin

It's useful to automatically transform an image from its original form to some synthetic form (style, partial contents, etc.), while keeping the original structure or semantics. We define this requirement as the "image-to-image translation"…

计算机视觉与模式识别 · 计算机科学 2017-01-11 Hao Dong , Paarth Neekhara , Chao Wu , Yike Guo

Graph condensation (GC) aims to distill the original graph into a small-scale graph, mitigating redundancy and accelerating GNN training. However, conventional GC approaches heavily rely on rigid GNNs and task-specific supervision. Such a…

机器学习 · 计算机科学 2025-09-19 Yeyu Yan , Shuai Zheng , Wenjun Hui , Xiangkai Zhu , Dong Chen , Zhenfeng Zhu , Yao Zhao , Kunlun He

Existing state-of-the-art 3D point clouds understanding methods only perform well in a fully supervised manner. To the best of our knowledge, there exists no unified framework which simultaneously solves the downstream high-level…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Kangcheng Liu

Learning on text-attributed graphs (TAGs), in which nodes are associated with one or more texts, has been the subject of much recent work. However, most approaches tend to make strong assumptions about the downstream task of interest, are…

计算与语言 · 计算机科学 2024-07-11 William Brannon , Wonjune Kang , Suyash Fulay , Hang Jiang , Brandon Roy , Deb Roy , Jad Kabbara

Graphs can model complex relationships between objects, enabling a myriad of Web applications such as online page/article classification and social recommendation. While graph neural networks(GNNs) have emerged as a powerful tool for graph…

机器学习 · 计算机科学 2023-02-28 Zemin Liu , Xingtong Yu , Yuan Fang , Xinming Zhang

The effective communication of procedural knowledge remains a significant challenge in natural language processing (NLP), as purely textual instructions often fail to convey complex physical actions and spatial relationships. We address…

计算与语言 · 计算机科学 2025-05-23 Jing Bi , Pinxin Liu , Ali Vosoughi , Jiarui Wu , Jinxi He , Chenliang Xu

For robots to perform a wide variety of tasks, they require a 3D representation of the world that is semantically rich, yet compact and efficient for task-driven perception and planning. Recent approaches have attempted to leverage features…

Graph-based computations are crucial in a wide range of applications, where graphs can scale to trillions of edges. To enable efficient training on such large graphs, mini-batch subgraph sampling is commonly used, which allows training…

机器学习 · 计算机科学 2025-04-04 Yue Jin , Yongchao Liu , Chuntao Hong

Graphs can inherently model interconnected objects on the Web, thereby facilitating a series of Web applications, such as web analyzing and content recommendation. Recently, Graph Neural Networks (GNNs) have emerged as a mainstream…

计算与语言 · 计算机科学 2024-08-27 Xingtong Yu , Chang Zhou , Yuan Fang , Xinming Zhang

Large Language Models (LLMs) offer significant promise for intelligent traffic management; however, current chain-based systems like TrafficGPT are hindered by sequential task execution, high token usage, and poor scalability, making them…

人工智能 · 计算机科学 2025-07-21 Nabil Abdelaziz Ferhat Taleb , Abdolazim Rezaei , Raj Atulkumar Patel , Mehdi Sookhak
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