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Node classification on text-attributed graphs (TAGs) is a fundamental task with broad applications in citation analysis, social networks, and recommendation systems. Current GNN-based approaches suffer from shallow text encoding and heavy…

计算与语言 · 计算机科学 2026-04-21 Ziqing Wang , Kaize Ding

Recent efforts leverage Large Language Models (LLMs) for modeling text-attributed graph structures in node classification tasks. These approaches describe graph structures for LLMs to understand or aggregate LLM-generated textual attribute…

计算与语言 · 计算机科学 2025-05-27 Huachi Zhou , Jiahe Du , Chuang Zhou , Chang Yang , Yilin Xiao , Yuxuan Xie , Xiao Huang

We present Graformer, a novel Transformer-based encoder-decoder architecture for graph-to-text generation. With our novel graph self-attention, the encoding of a node relies on all nodes in the input graph - not only direct neighbors -…

计算与语言 · 计算机科学 2021-04-28 Martin Schmitt , Leonardo F. R. Ribeiro , Philipp Dufter , Iryna Gurevych , Hinrich Schütze

Can we combine heterogenous graph structure with text to learn high-quality semantic and behavioural representations? Graph neural networks (GNN)s encode numerical node attributes and graph structure to achieve impressive performance in a…

机器学习 · 计算机科学 2022-06-23 Vassilis N. Ioannidis , Xiang Song , Da Zheng , Houyu Zhang , Jun Ma , Yi Xu , Belinda Zeng , Trishul Chilimbi , George Karypis

Over the last few years, machine learning over graph structures has manifested a significant enhancement in text mining applications such as event detection, opinion mining, and news recommendation. One of the primary challenges in this…

计算与语言 · 计算机科学 2019-11-26 Kayvan Bijari , Hadi Zare , Emad Kebriaei , Hadi Veisi

To better support retrieval applications such as web search and question answering, growing effort is made to develop retrieval-oriented language models. Most of the existing works focus on improving the semantic representation capability…

计算与语言 · 计算机科学 2022-11-17 Shitao Xiao , Zheng Liu

Descriptive region features extracted by object detection networks have played an important role in the recent advancements of image captioning. However, they are still criticized for the lack of contextual information and fine-grained…

计算机视觉与模式识别 · 计算机科学 2021-08-04 Yunpeng Luo , Jiayi Ji , Xiaoshuai Sun , Liujuan Cao , Yongjian Wu , Feiyue Huang , Chia-Wen Lin , Rongrong Ji

The latest advancements in large language models (LLMs) have revolutionized the field of natural language processing (NLP). Inspired by the success of LLMs in NLP tasks, some recent work has begun investigating the potential of applying…

人工智能 · 计算机科学 2025-02-25 Shengyin Sun , Yuxiang Ren , Jiehao Chen , Chen Ma

Despite the ubiquity of mobile and wearable text messaging applications, the problem of keyboard text decoding is not tackled sufficiently in the light of the enormous success of the deep learning Recurrent Neural Network (RNN) and…

计算与语言 · 计算机科学 2017-09-20 Shaona Ghosh , Per Ola Kristensson

One of the cardinal tasks in achieving robust medical question answering systems is textual entailment. The existing approaches make use of an ensemble of pre-trained language models or data augmentation, often to clock higher numbers on…

计算与语言 · 计算机科学 2020-11-11 Shweta Yadav , Vishal Pallagani , Amit Sheth

We propose a novel model for multi-label text classification, which is based on sequence-to-sequence learning. The model generates higher-level semantic unit representations with multi-level dilated convolution as well as a corresponding…

计算与语言 · 计算机科学 2018-11-13 Junyang Lin , Qi Su , Pengcheng Yang , Shuming Ma , Xu Sun

Graphs provide a unified representation of semantic content and relational structure, making them a natural fit for domains such as molecular modeling, citation networks, and social graphs. Meanwhile, large language models (LLMs) have…

机器学习 · 计算机科学 2026-05-04 Haotian Xu , Yuning You , Tengfei Ma

Diffusion models have revolted the field of text-to-image generation recently. The unique way of fusing text and image information contributes to their remarkable capability of generating highly text-related images. From another…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Changming Xiao , Qi Yang , Feng Zhou , Changshui Zhang

Rich textual and topological information of textual graphs need to be modeled in real-world applications such as webpages, e-commerce, and academic articles. Practitioners have been long following the path of adopting a shallow text encoder…

计算与语言 · 计算机科学 2024-07-25 Yun Zhu , Yaoke Wang , Haizhou Shi , Siliang Tang

Textual graphs (TGs) are graphs whose nodes correspond to text (sentences or documents), which are widely prevalent. The representation learning of TGs involves two stages: (i) unsupervised feature extraction and (ii) supervised graph…

计算与语言 · 计算机科学 2023-08-08 Keyu Duan , Qian Liu , Tat-Seng Chua , Shuicheng Yan , Wei Tsang Ooi , Qizhe Xie , Junxian He

We introduce a stochastic graph-based method for computing relative importance of textual units for Natural Language Processing. We test the technique on the problem of Text Summarization (TS). Extractive TS relies on the concept of…

计算与语言 · 计算机科学 2011-09-28 Gunes Erkan , Dragomir R. Radev

Graph-structured data is prevalent in the real world. Recently, due to the powerful emergent capabilities, Large Language Models (LLMs) have shown promising performance in modeling graphs. The key to effectively applying LLMs on graphs is…

计算与语言 · 计算机科学 2024-10-16 Haitong Luo , Xuying Meng , Suhang Wang , Tianxiang Zhao , Fali Wang , Hanyun Cao , Yujun Zhang

Document-level relation extraction (RE), which requires reasoning on multiple entities in different sentences to identify complex inter-sentence relations, is more challenging than sentence-level RE. To extract the complex inter-sentence…

计算与语言 · 计算机科学 2022-04-04 Liang Zhang , Yidong Cheng

Existing image captioning methods just focus on understanding the relationship between objects or instances in a single image, without exploring the contextual correlation existed among contextual image. In this paper, we propose Dual Graph…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Xinzhi Dong , Chengjiang Long , Wenju Xu , Chunxia Xiao

The Handwritten Text Recognition problem has been a challenge for researchers for the last few decades, especially in the domain of computer vision, a subdomain of pattern recognition. Variability of texts amongst writers, cursiveness, and…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Lalita Kumari , Sukhdeep Singh , Vaibhav Varish Singh Rathore , Anuj Sharma