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In this paper, we propose a novel method for question answering over knowledge graphs based on graph-to-segment mapping, designed to improve the understanding of natural language questions. Our approach is grounded in semantic parsing, a…

计算与语言 · 计算机科学 2025-09-03 Sijia Wei , Wenwen Zhang , Qisong Li , Jiang Zhao

Recently, ''pre-training and fine-tuning'' has been adopted as a standard workflow for many graph tasks since it can take general graph knowledge to relieve the lack of graph annotations from each application. However, graph tasks with node…

社会与信息网络 · 计算机科学 2023-12-19 Xiangguo Sun , Hong Cheng , Jia Li , Bo Liu , Jihong Guan

One of the major prerequisites for any deep learning approach is the availability of large-scale training data. When dealing with scanned document images in real world scenarios, the principal information of its content is stored in the…

计算机视觉与模式识别 · 计算机科学 2021-07-12 Sanket Biswas , Pau Riba , Josep Lladós , Umapada Pal

A mind-map is a diagram that represents the central concept and key ideas in a hierarchical way. Converting plain text into a mind-map will reveal its key semantic structure and be easier to understand. Given a document, the existing…

计算与语言 · 计算机科学 2021-09-07 Mengting Hu , Honglei Guo , Shiwan Zhao , Hang Gao , Zhong Su

Recently, graph neural networks (GNNs) have been shown powerful capacity at modeling structural data. However, when adapted to downstream tasks, it usually requires abundant task-specific labeled data, which can be extremely scarce in…

机器学习 · 计算机科学 2022-03-04 Yupeng Hou , Binbin Hu , Wayne Xin Zhao , Zhiqiang Zhang , Jun Zhou , Ji-Rong Wen

In the era of personalized education, the provision of comprehensible explanations for learning recommendations is of a great value to enhance the learner's understanding and engagement with the recommended learning content. Large language…

人工智能 · 计算机科学 2025-01-23 Hasan Abu-Rasheed , Christian Weber , Madjid Fathi

The development of robust Document AI models has been constrained by limited access to high-quality, labeled datasets, primarily due to data privacy concerns, scarcity, and the high cost of manual annotation. Traditional methods of…

计算与语言 · 计算机科学 2024-12-06 Amit Agarwal , Hitesh Patel , Priyaranjan Pattnayak , Srikant Panda , Bhargava Kumar , Tejaswini Kumar

Knowledge Base Question Answering (KBQA) aims to answer natural language questions with factual information such as entities and relations in KBs. However, traditional Pre-trained Language Models (PLMs) are directly pre-trained on…

计算与语言 · 计算机科学 2023-08-29 Guanting Dong , Rumei Li , Sirui Wang , Yupeng Zhang , Yunsen Xian , Weiran Xu

We present GraPPa, an effective pre-training approach for table semantic parsing that learns a compositional inductive bias in the joint representations of textual and tabular data. We construct synthetic question-SQL pairs over…

We introduce a new task of entailment relation aware paraphrase generation which aims at generating a paraphrase conforming to a given entailment relation (e.g. equivalent, forward entailing, or reverse entailing) with respect to a given…

计算与语言 · 计算机科学 2022-03-22 Abhilasha Sancheti , Balaji Vasan Srinivasan , Rachel Rudinger

Although Large Language Models (LLMs) have demonstrated remarkable progress, their proficiency in graph-related tasks remains notably limited, hindering the development of truly general-purpose models. Previous attempts, including…

机器学习 · 计算机科学 2025-08-20 Xiaojun Guo , Ang Li , Yifei Wang , Stefanie Jegelka , Yisen Wang

Developing methods of automated inference that are able to provide users with compelling human-readable justifications for why the answer to a question is correct is critical for domains such as science and medicine, where user trust and…

计算与语言 · 计算机科学 2018-02-12 Peter A. Jansen , Elizabeth Wainwright , Steven Marmorstein , Clayton T. Morrison

While LLMs demonstrate remarkable fluency in narrative generation, existing methods struggle to maintain global narrative coherence, contextual logical consistency, and smooth character development, often producing monotonous scripts with…

计算与语言 · 计算机科学 2026-04-24 Hanwen Gu , Chao Guo , Junle Wang , Wenda Xie , Yisheng Lv

Complex automated proof strategies are often difficult to extract, visualise, modify, and debug. Traditional tactic languages, often based on stack-based goal propagation, make it easy to write proofs that obscure the flow of goals between…

计算机科学中的逻辑 · 计算机科学 2014-06-13 Gudmund Grov , Aleks Kissinger , Yuhui Lin

Large Language Models (LLMs) have demonstrated remarkable capabilities in modeling sequential textual data and generalizing across diverse tasks. However, adapting LLMs to effectively handle structural data, such as knowledge graphs or web…

计算与语言 · 计算机科学 2025-11-12 Jiarui Feng , Donghong Cai , Yixin Chen , Muhan Zhang

Generation of graphs is a major challenge for real-world tasks that require understanding the complex nature of their non-Euclidean structures. Although diffusion models have achieved notable success in graph generation recently, they are…

机器学习 · 计算机科学 2024-06-04 Jaehyeong Jo , Dongki Kim , Sung Ju Hwang

Do current large language models (LLMs) better solve graph reasoning and generation tasks with parameter updates? In this paper, we propose InstructGraph, a framework that empowers LLMs with the abilities of graph reasoning and generation…

计算与语言 · 计算机科学 2024-02-15 Jianing Wang , Junda Wu , Yupeng Hou , Yao Liu , Ming Gao , Julian McAuley

Comprehending natural language instructions is a charming property for both 2D and 3D layout synthesis systems. Existing methods implicitly model object joint distributions and express object relations, hindering generation's…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Chenguo Lin , Yuchen Lin , Panwang Pan , Xuanyang Zhang , Yadong Mu

Large Language Models are now key assistants in human decision-making processes. However, a common note always seems to follow: "LLMs can make mistakes. Be careful with important info." This points to the reality that not all outputs from…

计算与语言 · 计算机科学 2025-05-16 Longchao Da , Parth Mitesh Shah , Kuan-Ru Liou , Jiaxing Zhang , Hua Wei

Model pre-training on large text corpora has been demonstrated effective for various downstream applications in the NLP domain. In the graph mining domain, a similar analogy can be drawn for pre-training graph models on large graphs in the…