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Large Language Models (LLMs) have showcased impressive reasoning abilities, but often suffer from hallucinations or outdated knowledge. Knowledge Graph (KG)-based Retrieval-Augmented Generation (RAG) remedies these shortcomings by grounding…

Information Retrieval · Computer Science 2025-05-29 Martin Böckling , Heiko Paulheim , Andreea Iana

In this work we study various Retrieval Augmented Regeneration (RAG) approaches to gain an understanding of the strengths and weaknesses of each approach in a question-answering analysis. To gain this understanding we use a case-study…

Information Retrieval · Computer Science 2025-06-25 Audun Myers , Max Vargas , Sinan G. Aksoy , Cliff Joslyn , Benjamin Wilson , Lee Burke , Tom Grimes

The integration of knowledge graphs (KGs) with large language models (LLMs) offers significant potential to improve the retrieval phase of retrieval-augmented generation (RAG) systems. In this study, we propose KG-CQR, a novel framework for…

Computation and Language · Computer Science 2025-09-09 Chi Minh Bui , Ngoc Mai Thieu , Van Vinh Nguyen , Jason J. Jung , Khac-Hoai Nam Bui

Knowledge-enhanced language models (KELMs) have emerged as promising tools to bridge the gap between large-scale language models and domain-specific knowledge. KELMs can achieve higher factual accuracy and mitigate hallucinations by…

Computation and Language · Computer Science 2024-11-26 Alexander Fichtl , Juraj Vladika , Georg Groh

Domain experts often rely on most recent knowledge for apprehending and disseminating specific biological processes that help them design strategies for developing prevention and therapeutic decision-making in various disease scenarios. A…

Computation and Language · Computer Science 2023-11-21 Md. Rezaul Karim , Lina Molinas Comet , Md Shajalal , Oya Deniz Beyan , Dietrich Rebholz-Schuhmann , Stefan Decker

Current action recognition systems require large amounts of training data for recognizing an action. Recent works have explored the paradigm of zero-shot and few-shot learning to learn classifiers for unseen categories or categories with…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Pallabi Ghosh , Nirat Saini , Larry S. Davis , Abhinav Shrivastava

Knowledge graph (KG) is an abstraction that can be extracted from text corpora and used for in-depth reasoning. Prior work has leveraged KGs to fine-tune language models (LMs), enabling domain-specific superintelligence. In this work, we…

Computation and Language · Computer Science 2026-05-28 Jake Stephen , Niraj K. Jha

Knowledge graphs (KGs) have commonly been constructed using predefined symbolic relation schemas, typically implemented as categorical relation labels. This design has notable shortcomings: real-world relations are often contextual,…

Computation and Language · Computer Science 2026-01-15 Kanyao Han , Yushang Lai

In any system that uses structured knowledge graph (KG) data as its underlying knowledge representation, KG-to-text generation is a useful tool for turning parts of the graph data into text that can be understood by humans. Recent work has…

Computation and Language · Computer Science 2023-08-23 Agnes Axelsson , Gabriel Skantze

Few-shot learning aims to learn novel categories from very few samples given some base categories with sufficient training samples. The main challenge of this task is the novel categories are prone to dominated by color, texture, shape of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Riquan Chen , Tianshui Chen , Xiaolu Hui , Hefeng Wu , Guanbin Li , Liang Lin

Relational graph neural networks have garnered particular attention to encode graph context in knowledge graphs (KGs). Although they achieved competitive performance on small KGs, how to efficiently and effectively utilize graph context for…

Computation and Language · Computer Science 2022-05-16 Huijuan Wang , Siming Dai , Weiyue Su , Hui Zhong , Zeyang Fang , Zhengjie Huang , Shikun Feng , Zeyu Chen , Yu Sun , Dianhai Yu

Neural-based end-to-end approaches to natural language generation (NLG) from structured data or knowledge are data-hungry, making their adoption for real-world applications difficult with limited data. In this work, we propose the new task…

Computation and Language · Computer Science 2020-04-21 Zhiyu Chen , Harini Eavani , Wenhu Chen , Yinyin Liu , William Yang Wang

To tackle the problem of domain-specific knowledge scarcity within large language models (LLMs), knowledge graph-retrievalaugmented method has been proven to be an effective and efficient technique for knowledge infusion. However, existing…

Computation and Language · Computer Science 2024-06-07 Zhouyu Jiang , Ling Zhong , Mengshu Sun , Jun Xu , Rui Sun , Hui Cai , Shuhan Luo , Zhiqiang Zhang

Few-shot Knowledge Graph Completion (FKGC) infers missing triples from limited support samples, tackling long-tail distribution challenges. Existing methods, however, struggle to capture complex relational patterns and mitigate data…

Computation and Language · Computer Science 2026-01-22 Zilong Wang , Qingtian Zeng , Hua Duan , Cheng Cheng , Minghao Zou , Ziyang Wang

Although language models (LMs) have boosted the performance of Question Answering, they still need plenty of data. Data annotation, in contrast, is a time-consuming process. This especially applies to Question Answering, where possibly…

Computation and Language · Computer Science 2024-05-16 Maximilian Schmidt , Andrea Bartezzaghi , Ngoc Thang Vu

Zero-shot and few-shot learning aim to improve generalization to unseen concepts, which are promising in many realistic scenarios. Due to the lack of data in unseen domain, relation modeling between seen and unseen domains is vital for…

Machine Learning · Computer Science 2019-09-02 Chenrui Zhang , Xiaoqing Lyu , Zhi Tang

This paper presents an exhaustive quantitative and qualitative evaluation of Large Language Models (LLMs) for Knowledge Graph (KG) construction and reasoning. We engage in experiments across eight diverse datasets, focusing on four…

Computation and Language · Computer Science 2024-12-30 Yuqi Zhu , Xiaohan Wang , Jing Chen , Shuofei Qiao , Yixin Ou , Yunzhi Yao , Shumin Deng , Huajun Chen , Ningyu Zhang

Knowledge-intensive tasks pose a significant challenge for Machine Learning (ML) techniques. Commonly adopted methods, such as Large Language Models (LLMs), often exhibit limitations when applied to such tasks. Nevertheless, there have been…

Machine Learning · Computer Science 2024-05-20 Albert Sawczyn , Jakub Binkowski , Piotr Bielak , Tomasz Kajdanowicz

Knowledge Graph (KG) and attention mechanism have been demonstrated effective in introducing and selecting useful information for weakly supervised methods. However, only qualitative analysis and ablation study are provided as evidence. In…

Computation and Language · Computer Science 2021-11-19 Zikun Hu , Yixin Cao , Lifu Huang , Tat-Seng Chua

Knowledge graphs (KGs) enhance the performance of large language models (LLMs) and search engines by providing structured, interconnected data that improves reasoning and context-awareness. However, KGs only focus on text data, thereby…

Computation and Language · Computer Science 2024-08-09 Khai Le-Duc , Quy-Anh Dang , Tan-Hanh Pham , Truong-Son Hy