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We focus on graph-to-sequence learning, which can be framed as transducing graph structures to sequences for text generation. To capture structural information associated with graphs, we investigate the problem of encoding graphs using…

计算与语言 · 计算机科学 2019-09-10 Zhijiang Guo , Yan Zhang , Zhiyang Teng , Wei Lu

Recently, large language models (LLMs) have been widely researched in the field of graph machine learning due to their outstanding abilities in language comprehension and learning. However, the significant gap between natural language tasks…

人工智能 · 计算机科学 2024-06-21 Zhong Guan , Hongke Zhao , Likang Wu , Ming He , Jianpin Fan

To better support information retrieval tasks such as web search and open-domain question answering, growing effort is made to develop retrieval-oriented language models, e.g., RetroMAE and many others. Most of the existing works focus on…

计算与语言 · 计算机科学 2023-05-05 Shitao Xiao , Zheng Liu , Yingxia Shao , Zhao Cao

Neural network-based approaches have become the driven forces for Natural Language Processing (NLP) tasks. Conventionally, there are two mainstream neural architectures for NLP tasks: the recurrent neural network (RNN) and the convolution…

计算与语言 · 计算机科学 2020-08-13 Zhenyu Liu , Chaohong Lu , Haiwei Huang , Shengfei Lyu , Zhenchao Tao

Advances in Visually Rich Document Understanding (VrDU) have enabled information extraction and question answering over documents with complex layouts. Two tropes of architectures have emerged -- transformer-based models inspired by LLMs,…

计算与语言 · 计算机科学 2024-01-08 Dongsheng Wang , Zhiqiang Ma , Armineh Nourbakhsh , Kang Gu , Sameena Shah

Recursion is a prominent feature of human language, and fundamentally challenging for self-attention due to the lack of an explicit recursive-state tracking mechanism. Consequently, Transformer language models poorly capture long-tail…

计算与语言 · 计算机科学 2023-10-31 Shikhar Murty , Pratyusha Sharma , Jacob Andreas , Christopher D. Manning

Representing a text as a graph for obtaining automatic text summarization has been investigated for over ten years. With the development of attention or Transformer on natural language processing (NLP), it is possible to make a connection…

计算与语言 · 计算机科学 2022-07-27 Yuan-Ching Lin , Jinwen Ma

In knowledge graph construction, a challenging issue is how to extract complex (e.g., overlapping) entities and relationships from a small amount of unstructured historical data. The traditional pipeline methods are to divide the extraction…

计算与语言 · 计算机科学 2024-05-24 Jian Cheng , Tian Zhang , Shuang Zhang , Huimin Ren , Guo Yu , Xiliang Zhang , Shangce Gao , Lianbo Ma

With the rapid development of Natural Language Processing (NLP) technologies, text steganography methods have been significantly innovated recently, which poses a great threat to cybersecurity. In this paper, we propose a novel attentional…

多媒体 · 计算机科学 2022-02-21 YongJian Bao , Hao Yang , Zhongliang Yang , Sheng Liu , Yongfeng Huang

Document images are a ubiquitous source of data where the text is organized in a complex hierarchical structure ranging from fine granularity (e.g., words), medium granularity (e.g., regions such as paragraphs or figures), to coarse…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Zilong Wang , Jiuxiang Gu , Chris Tensmeyer , Nikolaos Barmpalios , Ani Nenkova , Tong Sun , Jingbo Shang , Vlad I. Morariu

Real-world fraud detection applications benefit from graph learning techniques that jointly exploit node features, often rich in textual data, and graph structural information. Recently, Graph-Enhanced LLMs emerge as a promising graph…

机器学习 · 计算机科学 2025-07-30 Yuan Li , Jun Hu , Bryan Hooi , Bingsheng He , Cheng Chen

Ever since neural models were adopted in data-to-text language generation, they have invariably been reliant on extrinsic components to improve their semantic accuracy, because the models normally do not exhibit the ability to generate text…

计算与语言 · 计算机科学 2021-09-16 Juraj Juraska , Marilyn Walker

Graph Convolutional Networks (GCNs) have shown strong performance in learning text representations for various tasks such as text classification, due to its expressive power in modeling graph structure data (e.g., a literature citation…

计算与语言 · 计算机科学 2023-05-12 Zhibin Lu , Qianqian Xie , Benyou Wang , Jian-yun Nie

Graph Neural Networks (GNNs) have emerged as the de facto standard for modeling graph data, with attention mechanisms and transformers significantly enhancing their performance on graph-based tasks. Despite these advancements, the…

机器学习 · 计算机科学 2025-04-07 Nikhil Shivakumar Nayak

Generalizing to unseen graph tasks without task-specific supervision is challenging: conventional graph neural networks are typically tied to a fixed label space, while large language models (LLMs) struggle to capture graph structure. We…

机器学习 · 计算机科学 2025-10-21 Duo Wang , Yuan Zuo , Guangyue Lu , Junjie Wu

This study presents a hybrid deep learning architecture that integrates LSTM, CNN, and an Attention mechanism to enhance the classification of web content based on text. Pretrained GloVe embeddings are used to represent words as dense…

计算与语言 · 计算机科学 2025-12-29 Mykola Kuz , Ihor Lazarovych , Mykola Kozlenko , Mykola Pikuliak , Andrii Kvasniuk

Current Multimodal Large Language Model (MLLM) architectures face a critical tradeoff between performance and efficiency: decoder-only architectures achieve higher performance but lower efficiency, while cross-attention-based architectures…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Hongliang Li , Jiaxin Zhang , Wenhui Liao , Dezhi Peng , Kai Ding , Lianwen Jin

Graph Neural Networks (GNNs) have proven effective in various medical imaging applications, such as automated disease diagnosis. However, due to the local neighborhood aggregation paradigm in message passing which characterizes these…

机器学习 · 计算机科学 2024-11-05 K. Mancini , I. Rekik

Natural Questions is a new challenging machine reading comprehension benchmark with two-grained answers, which are a long answer (typically a paragraph) and a short answer (one or more entities inside the long answer). Despite the…

计算与语言 · 计算机科学 2020-05-14 Bo Zheng , Haoyang Wen , Yaobo Liang , Nan Duan , Wanxiang Che , Daxin Jiang , Ming Zhou , Ting Liu

Graph Neural Networks (GNNs) have demonstrated significant success in learning from graph-structured data but often struggle on heterophilous graphs, where connected nodes differ in features or class labels. This limitation arises from…

机器学习 · 计算机科学 2025-09-30 Zhongtian Sun , Anoushka Harit , Alexandra Cristea , Christl A. Donnelly , Pietro Liò