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Graph-based Retrieval-Augmented Generation (GraphRAG) extends traditional RAG by using knowledge graphs (KGs) to give large language models (LLMs) a structured, semantically coherent context, yielding more grounded answers. However,…

Artificial Intelligence · Computer Science 2026-04-28 Zhuoling Li , Ha Linh Hong Tran Nguyen , Valeria Bladinieres , Maxim Romanovsky

The advancement of Large Language Models (LLMs) has remarkably pushed the boundaries towards artificial general intelligence (AGI), with their exceptional ability on understanding diverse types of information, including but not limited to…

Computation and Language · Computer Science 2023-10-10 Ziwei Chai , Tianjie Zhang , Liang Wu , Kaiqiao Han , Xiaohai Hu , Xuanwen Huang , Yang Yang

Retrieval-Augmented Generation enhances language models by retrieving external knowledge to support informed and grounded responses. However, traditional RAG methods rely on fragment-level retrieval, limiting their ability to address…

Information Retrieval · Computer Science 2026-05-05 Wenbiao Tao , Xinyuan Li , Yunshi Lan , Weining Qian

Despite the strong abilities, large language models (LLMs) still suffer from hallucinations and reliance on outdated knowledge, raising concerns in knowledge-intensive tasks. Graph-based retrieval-augmented generation (GRAG) enriches LLMs…

Computation and Language · Computer Science 2026-01-14 Derong Xu , Pengyue Jia , Xiaopeng Li , Yingyi Zhang , Maolin Wang , Qidong Liu , Xiangyu Zhao , Yichao Wang , Huifeng Guo , Ruiming Tang , Enhong Chen , Tong Xu

Federated Graph Learning (FGL) aims to collaboratively and privately optimize graph models on divergent data for different tasks. A critical challenge in FGL is to enable effective yet efficient federated optimization against multifaceted…

Machine Learning · Computer Science 2024-11-05 Zhuoning Guo , Ruiqian Han , Hao Liu

Text-attributed graphs (TAGs) enhance graph learning by integrating rich textual semantics and topological context for each node. While boosting expressiveness, they also expose new vulnerabilities in graph learning through text-based…

Artificial Intelligence · Computer Science 2026-03-24 Zihui Chen , Yuling Wang , Pengfei Jiao , Kai Wu , Xiao Wang , Xiang Ao , Dalin Zhang

Semantic parsing is the task of producing a structured meaning representation for natural language utterances or questions. Recent research has pointed out that the commonly-used sequence-to-sequence (seq2seq) semantic parsers struggle to…

Computation and Language · Computer Science 2022-06-06 Dora Jambor , Dzmitry Bahdanau

Retrieval-Augmented Generation (RAG) systems often face limitations in specialized domains such as fintech, where domain-specific ontologies, dense terminology, and acronyms complicate effective retrieval and synthesis. This paper…

Artificial Intelligence · Computer Science 2025-10-30 Thomas Cook , Richard Osuagwu , Liman Tsatiashvili , Vrynsia Vrynsia , Koustav Ghosal , Maraim Masoud , Riccardo Mattivi

In knowledge-intensive tasks, especially in high-stakes domains like medicine and law, it is critical not only to retrieve relevant information but also to provide causal reasoning and explainability. Large language models (LLMs) have…

Artificial Intelligence · Computer Science 2025-03-18 Hang Luo , Jian Zhang , Chujun Li

We introduce AccurateRAG -- a novel framework for constructing high-performance question-answering applications based on retrieval-augmented generation (RAG). Our framework offers a pipeline for development efficiency with tools for raw…

Computation and Language · Computer Science 2026-03-04 Linh The Nguyen , Chi Tran , Dung Ngoc Nguyen , Van-Cuong Pham , Hoang Ngo , Dat Quoc Nguyen

For decades, SQL has been the default language for composing queries, but it is increasingly used as an artifact to be read and verified rather than authored. With Large Language Models (LLMs), queries are increasingly machine-generated,…

Databases · Computer Science 2025-12-16 Wolfgang Gatterbauer , Diandre Miguel Sabale

Retrieval-Augmented Generation (RAG) systems enhance large language models (LLMs) by integrating external knowledge sources, enabling more accurate and contextually relevant responses tailored to user needs. However, existing RAG systems…

Information Retrieval · Computer Science 2025-04-29 Zirui Guo , Lianghao Xia , Yanhua Yu , Tu Ao , Chao Huang

Integrating large language models (LLMs) with knowledge graphs derived from domain-specific data represents an important advancement towards more powerful and factual reasoning. As these models grow more capable, it is crucial to enable…

Artificial Intelligence · Computer Science 2024-04-19 Stefan Dernbach , Khushbu Agarwal , Alejandro Zuniga , Michael Henry , Sutanay Choudhury

Multimodal Attributed Graphs (MAGs) are ubiquitous in real-world applications, encompassing extensive knowledge through multimodal attributes attached to nodes (e.g., texts and images) and topological structure representing node…

Machine Learning · Computer Science 2025-02-28 Hao Yan , Chaozhuo Li , Jun Yin , Zhigang Yu , Weihao Han , Mingzheng Li , Zhengxin Zeng , Hao Sun , Senzhang Wang

We introduce GrapAL (Graph database of Academic Literature), a versatile tool for exploring and investigating a knowledge base of scientific literature, that was semi-automatically constructed using NLP methods. GrapAL satisfies a variety…

Databases · Computer Science 2019-05-21 Christine Betts , Joanna Power , Waleed Ammar

Querying graph databases has recently received much attention. We propose a new approach to this problem, which balances competing goals of expressive power, language clarity and computational complexity. A distinctive feature of our…

Databases · Computer Science 2017-10-13 Jakub Michaliszyn , Jan Otop , Piotr Wieczorek

Deep graph learning has gained grand popularity over the past years due to its versatility and success in representing graph data across a wide range of domains. However, the pervasive issue of imbalanced graph data distributions, where…

Machine Learning · Computer Science 2025-03-04 Jiawen Qin , Haonan Yuan , Qingyun Sun , Lyujin Xu , Jiaqi Yuan , Pengfeng Huang , Zhaonan Wang , Xingcheng Fu , Hao Peng , Jianxin Li , Philip S. Yu

While high-level data parallel frameworks, like MapReduce, simplify the design and implementation of large-scale data processing systems, they do not naturally or efficiently support many important data mining and machine learning…

Databases · Computer Science 2012-04-30 Yucheng Low , Joseph Gonzalez , Aapo Kyrola , Danny Bickson , Carlos Guestrin , Joseph M. Hellerstein

The graph data structure is a staple in mathematics, yet graph-based machine learning is a relatively green field within the domain of data science. Recent advances in graph-based ML and open source implementations of relevant algorithms…

Machine Learning · Computer Science 2021-04-06 Keenan Venuti

The rise of graph analytic systems has created a need for ways to measure and compare the capabilities of these systems. Graph analytics present unique scalability difficulties. The machine learning, high performance computing, and visual…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-03-07 Siddharth Samsi , Vijay Gadepally , Michael Hurley , Michael Jones , Edward Kao , Sanjeev Mohindra , Paul Monticciolo , Albert Reuther , Steven Smith , William Song , Diane Staheli , Jeremy Kepner