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Related papers: On the Evolution of Knowledge Graphs: A Survey and…

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Knowledge graphs (KGs) have shown to be an important asset of large companies like Google and Microsoft. KGs play an important role in providing structured and semantically rich information, making them available to people and machines, and…

Databases · Computer Science 2020-05-05 Elwin Huaman , Elias Kärle , Dieter Fensel

Knowledge Graphs (KGs) have been popularized during the last decade, for instance, they are used widely in the context of the web. In 2012 Google has presented the Google's Knowledge Graph that is used to improve their web search services.…

Databases · Computer Science 2022-08-17 Elwin Huaman

Knowledge graphs are an efficient method for representing and connecting information across various concepts, useful in reasoning, question answering, and knowledge base completion tasks. They organize data by linking points, enabling…

Artificial Intelligence · Computer Science 2025-02-25 Saher Mohamed , Kirollos Farah , Abdelrahman Lotfy , Kareem Rizk , Abdelrahman Saeed , Shahenda Mohamed , Ghada Khouriba , Tamer Arafa

Large Language Models (LLMs) have demonstrated remarkable capabilities in natural language understanding and generation. However, they often struggle with complex reasoning tasks and are prone to hallucination. Recent research has shown…

Computation and Language · Computer Science 2024-12-17 Xue Wu , Kostas Tsioutsiouliklis

With the explosive growth of artificial intelligence (AI) and big data, it has become vitally important to organize and represent the enormous volume of knowledge appropriately. As graph data, knowledge graphs accumulate and convey…

Artificial Intelligence · Computer Science 2023-03-27 Ciyuan Peng , Feng Xia , Mehdi Naseriparsa , Francesco Osborne

Knowledge Graphs (KGs) serving as semantic networks, prove highly effective in managing complex interconnected data in different domains, by offering a unified, contextualized, and structured representation with flexibility that allows for…

Computation and Language · Computer Science 2024-10-01 Azmine Toushik Wasi

Knowledge graphs (KGs) have become the standard technology for the representation of factual information in applications such as recommendation engines, search, and question-answering systems. However, the continual updating of KGs, as well…

Artificial Intelligence · Computer Science 2023-07-24 Walid S. Saba

Knowledge Graphs (KG) constitute a flexible representation of complex relationships between entities particularly useful for biomedical data. These KG, however, are very sparse with many missing edges (facts) and the visualisation of the…

Artificial Intelligence · Computer Science 2016-12-08 Armando Vieira

Knowledge graphs (KGs) are large datasets with specific structures representing large knowledge bases (KB) where each node represents a key entity and relations amongst them are typed edges. Natural language queries formed to extract…

Artificial Intelligence · Computer Science 2024-05-01 Abir Chakraborty

Despite the recent popularity of knowledge graph (KG) related tasks and benchmarks such as KG embeddings, link prediction, entity alignment and evaluation of the reasoning abilities of pretrained language models as KGs, the structure and…

Machine Learning · Computer Science 2023-11-14 Nedelina Teneva , Estevam Hruschka

Recent years have witnessed the resurgence of knowledge engineering which is featured by the fast growth of knowledge graphs. However, most of existing knowledge graphs are represented with pure symbols, which hurts the machine's capability…

Artificial Intelligence · Computer Science 2022-12-20 Xiangru Zhu , Zhixu Li , Xiaodan Wang , Xueyao Jiang , Penglei Sun , Xuwu Wang , Yanghua Xiao , Nicholas Jing Yuan

Generative Knowledge Graph Construction (KGC) refers to those methods that leverage the sequence-to-sequence framework for building knowledge graphs, which is flexible and can be adapted to widespread tasks. In this study, we summarize the…

Computation and Language · Computer Science 2023-09-19 Hongbin Ye , Ningyu Zhang , Hui Chen , Huajun Chen

Reasoning over knowledge graphs (KGs) is a challenging task that requires a deep understanding of the complex relationships between entities and the underlying logic of their relations. Current approaches rely on learning geometries to…

Logic in Computer Science · Computer Science 2024-04-02 Nurendra Choudhary , Chandan K. Reddy

Knowledge Graphs (KGs) play a pivotal role in advancing various AI applications, with the semantic web community's exploration into multi-modal dimensions unlocking new avenues for innovation. In this survey, we carefully review over 300…

Human knowledge provides a formal understanding of the world. Knowledge graphs that represent structural relations between entities have become an increasingly popular research direction towards cognition and human-level intelligence. In…

Computation and Language · Computer Science 2021-04-02 Shaoxiong Ji , Shirui Pan , Erik Cambria , Pekka Marttinen , Philip S. Yu

Knowledge Graphs (KGs) and their machine learning counterpart, Knowledge Graph Embedding Models (KGEMs), have seen ever-increasing use in a wide variety of academic and applied settings. In particular, KGEMs are typically applied to KGs to…

Machine Learning · Computer Science 2024-12-16 Jeffrey Sardina , John D. Kelleher , Declan O'Sullivan

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 graphs (KGs) have become the preferred technology for representing, sharing and adding knowledge to modern AI applications. While KGs have become a mainstream technology, the RDF/SPARQL-centric toolset for operating with them at…

The knowledge graph (KG) is an essential form of knowledge representation that has grown in prominence in recent years. Because it concentrates on nominal entities and their relationships, traditional knowledge graphs are static and…

Artificial Intelligence · Computer Science 2022-09-14 Feng Zhao , Ziqi Zhang , Donglin Wang

Knowledge graphs (KGs) are inherently incomplete because of incomplete world knowledge and bias in what is the input to the KG. Additionally, world knowledge constantly expands and evolves, making existing facts deprecated or introducing…