中文
相关论文

相关论文: A Probabilistic Framework for Knowledge Graph Data…

200 篇论文

Graph augmentation is a fundamental and well-studied problem that arises in network optimization. We consider a new variant of this model motivated by reconfigurable communication networks. In this variant, we consider a given physical…

数据结构与算法 · 计算机科学 2024-11-19 Aleksander Figiel , Darya Melnyk , André Nichterlein , Arash Pourdamghani , Stefan Schmid

Knowledge Graph based Retrieval-Augmented Generation (KG-RAG) is a technique that enhances Large Language Model (LLM) inference in tasks like Question Answering (QA) by retrieving relevant information from knowledge graphs (KGs). However,…

人工智能 · 计算机科学 2025-09-01 Dongzhuoran Zhou , Yuqicheng Zhu , Xiaxia Wang , Yuan He , Jiaoyan Chen , Steffen Staab , Evgeny Kharlamov

Commonsense question-answering (QA) methods combine the power of pre-trained Language Models (LM) with the reasoning provided by Knowledge Graphs (KG). A typical approach collects nodes relevant to the QA pair from a KG to form a Working…

计算与语言 · 计算机科学 2023-05-17 Dhaval Taunk , Lakshya Khanna , Pavan Kandru , Vasudeva Varma , Charu Sharma , Makarand Tapaswi

We propose a scalable and cost-efficient framework for deploying Graph-based Retrieval-Augmented Generation (GraphRAG) in enterprise environments. While GraphRAG has shown promise for multi- hop reasoning and structured retrieval, its…

人工智能 · 计算机科学 2025-12-19 Congmin Min , Sahil Bansal , Joyce Pan , Abbas Keshavarzi , Rhea Mathew , Amar Viswanathan Kannan

Most NLP datasets are manually labeled, so suffer from inconsistent labeling or limited size. We propose methods for automatically improving datasets by viewing them as graphs with expected semantic properties. We construct a paraphrase…

计算与语言 · 计算机科学 2020-11-04 Hannah Chen , Yangfeng Ji , David Evans

Knowledge graphs are useful for many artificial intelligence tasks but often have missing data. Hence, a method for completing knowledge graphs is required. Existing approaches include embedding models, the Path Ranking Algorithm, and rule…

人工智能 · 计算机科学 2019-09-11 Takuma Ebisu , Ryutaro Ichise

Knowledge graph (KG) link prediction aims to infer new facts based on existing facts in the KG. Recent studies have shown that using the graph neighborhood of a node via graph neural networks (GNNs) provides more useful information compared…

计算与语言 · 计算机科学 2024-02-15 Vardaan Pahuja , Boshi Wang , Hugo Latapie , Jayanth Srinivasa , Yu Su

Graph data is omnipresent and has a wide variety of applications, such as in natural science, social networks, or the semantic web. However, while being rich in information, graphs are often noisy and incomplete. As a result, graph…

人工智能 · 计算机科学 2023-09-01 Luisa Werner , Nabil Layaïda , Pierre Genevès , Sarah Chlyah

Knowledge augmentation has significantly enhanced the performance of Large Language Models (LLMs) in knowledge-intensive tasks. However, existing methods typically operate on the simplistic premise that model performance equates with…

计算与语言 · 计算机科学 2026-02-16 Hao Chen , Ye He , Yuchun Fan , Yukun Yan , Zhenghao Liu , Qingfu Zhu , Maosong Sun , Wanxiang Che

Brain networks/graphs derived from resting-state functional MRI (fMRI) help study underlying pathophysiology of neurocognitive disorders by measuring neuronal activities in the brain. Some studies utilize learning-based methods for brain…

图像与视频处理 · 电气工程与系统科学 2024-11-05 Qianqian Wang , Wei Wang , Yuqi Fang , Hong-Jun Li , Andrea Bozoki , Mingxia Liu

We propose a probabilistic framework for dynamic quantization of neural networks that allows for a computationally efficient input-adaptive rescaling of the quantization parameters. Our framework applies a probabilistic model to the…

机器学习 · 计算机科学 2025-05-19 Gabriele Santini , Francesco Paissan , Elisabetta Farella

We present a novel extension to embedding-based knowledge graph completion models which enables them to perform open-world link prediction, i.e. to predict facts for entities unseen in training based on their textual description. Our model…

人工智能 · 计算机科学 2020-01-10 Haseeb Shah , Johannes Villmow , Adrian Ulges , Ulrich Schwanecke , Faisal Shafait

In recent years, graph representation learning has achieved remarkable success while suffering from low-quality data problems. As a mature technology to improve data quality in computer vision, data augmentation has also attracted…

机器学习 · 计算机科学 2024-06-24 Jiajun Zhou , Chenxuan Xie , Shengbo Gong , Zhenyu Wen , Xiangyu Zhao , Qi Xuan , Xiaoniu Yang

Graph neural networks, a powerful deep learning tool to model graph-structured data, have demonstrated remarkable performance on numerous graph learning tasks. To address the data noise and data scarcity issues in deep graph learning, the…

机器学习 · 计算机科学 2022-11-22 Kaize Ding , Zhe Xu , Hanghang Tong , Huan Liu

Test-time augmentation, such as Retrieval-Augmented Generation (RAG) or tool use, critically depends on an interplay between a model's parametric knowledge and externally retrieved information. However, the theoretical underpinnings of this…

机器学习 · 计算机科学 2026-05-19 Avrim Blum , Daniel Hsu , Cyrus Rashtchian , Donya Saless

Existing approaches to constructing training data for Natural Language Inference (NLI) tasks, such as for semi-structured table reasoning, are either via crowdsourcing or fully automatic methods. However, the former is expensive and…

计算与语言 · 计算机科学 2022-10-25 Dibyakanti Kumar , Vivek Gupta , Soumya Sharma , Shuo Zhang

Increasing amounts of freely available data both in textual and relational form offers exploration of richer document representations, potentially improving the model performance and robustness. An emerging problem in the modern era is fake…

计算与语言 · 计算机科学 2022-02-16 Boshko Koloski , Timen Stepišnik-Perdih , Marko Robnik-Šikonja , Senja Pollak , Blaž Škrlj

The ability of knowledge graphs to represent complex relationships at scale has led to their adoption for various needs including knowledge representation, question-answering, and recommendation systems. Knowledge graphs are often…

计算与语言 · 计算机科学 2023-05-18 Jason Youn , Ilias Tagkopoulos

Current knowledge graph (KG) construction methods are confirmatory, focusing on recovering known relationships rather than identifying novel or context-dependent nodes. This paper proposes a phenotype-driven and evidence-governed framework…

人工智能 · 计算机科学 2026-04-21 Adela Bâra , Simona-Vasilica Oprea

This study focuses on long-term forecasting (LTF) on continuous-time dynamic graph networks (CTDGNs), which is important for real-world modeling. Existing CTDGNs are effective for modeling temporal graph data due to their ability to capture…

机器学习 · 计算机科学 2024-05-28 Yuxing Tian , Mingjie Zhu , Jiachi Luo , Song Li