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Current methods for embedding-based query answering over incomplete Knowledge Graphs (KGs) only focus on inductive reasoning, i.e., predicting answers by learning patterns from the data, and lack the complementary ability to do deductive…

人工智能 · 计算机科学 2023-09-01 Medina Andresel , Trung-Kien Tran , Csaba Domokos , Pasquale Minervini , Daria Stepanova

Reasoning is essential for the development of large knowledge graphs, especially for completion, which aims to infer new triples based on existing ones. Both rules and embeddings can be used for knowledge graph reasoning and they have their…

人工智能 · 计算机科学 2019-03-22 Wen Zhang , Bibek Paudel , Liang Wang , Jiaoyan Chen , Hai Zhu , Wei Zhang , Abraham Bernstein , Huajun Chen

One challenge in fact checking is the ability to improve the transparency of the decision. We present a fact checking method that uses reference information in knowledge graphs (KGs) to assess claims and explain its decisions. KGs contain a…

数据库 · 计算机科学 2019-06-24 Naser Ahmadi , Joohyung Lee , Paolo Papotti , Mohammed Saeed

Knowledge graphs (KGs) have proven to be effective for high-quality recommendation, where the connectivities between users and items provide rich and complementary information to user-item interactions. Most existing methods, however, are…

信息检索 · 计算机科学 2021-09-16 Xiao Sha , Zhu Sun , Jie Zhang

Injecting textual information into knowledge graph (KG) entity representations has been a worthwhile expedition in terms of improving performance in KG oriented tasks within the NLP community. External knowledge often adopted to enhance KG…

计算与语言 · 计算机科学 2023-10-26 Micheal Abaho , Yousef H. Alfaifi

Knowledge Graphs (KGs) are symbolically structured storages of facts. The KG embedding contains concise data used in NLP tasks requiring implicit information about the real world. Furthermore, the size of KGs that may be useful in actual…

计算与语言 · 计算机科学 2022-05-26 Viktoriia Chekalina , Anton Razzhigaev , Albert Sayapin , Evgeny Frolov , Alexander Panchenko

Graph neural networks (GNNs) are frequently used to predict missing facts in knowledge graphs (KGs). Motivated by the lack of explainability for the outputs of these models, recent work has aimed to explain their predictions using Datalog,…

机器学习 · 计算机科学 2024-08-21 Matthew Morris , David J. Tena Cucala , Bernardo Cuenca Grau , Ian Horrocks

Reasoning is a fundamental problem for computers and deeply studied in Artificial Intelligence. In this paper, we specifically focus on answering multi-hop logical queries on Knowledge Graphs (KGs). This is a complicated task because, in…

人工智能 · 计算机科学 2022-09-30 Alfonso Amayuelas , Shuai Zhang , Susie Xi Rao , Ce Zhang

Knowledge graphs (KGs) represent world's facts in structured forms. KG completion exploits the existing facts in a KG to discover new ones. Translation-based embedding model (TransE) is a prominent formulation to do KG completion. Despite…

人工智能 · 计算机科学 2019-10-11 Mojtaba Nayyeri , Chengjin Xu , Yadollah Yaghoobzadeh , Hamed Shariat Yazdi , Jens Lehmann

Foundation models excel at language, where sentences become tokens, and vision, where images become pixels, because both reduce to discrete symbols on a shared, fixed grid. Knowledge Graphs share the discreteness, but not the geometry.…

人工智能 · 计算机科学 2026-05-08 Kossi Amouzouvi , Robert Wardenga , Jens Lehmann , Sahar Vahdati

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…

计算与语言 · 计算机科学 2026-05-28 Jake Stephen , Niraj K. Jha

Graph Neural Networks (GNNs) have gained popularity in healthcare and other domains due to their ability to process multi-modal and multi-relational graphs. However, efficient training of GNNs remains challenging, with several open research…

机器学习 · 计算机科学 2023-09-13 Víctor Valls , Mykhaylo Zayats , Alessandra Pascale

Predicting missing links between entities in a knowledge graph is a fundamental task to deal with the incompleteness of data on the Web. Knowledge graph embeddings map nodes into a vector space to predict new links, scoring them according…

人工智能 · 计算机科学 2023-02-14 Cosimo Gregucci , Mojtaba Nayyeri , Daniel Hernández , Steffen Staab

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…

计算机科学中的逻辑 · 计算机科学 2024-04-02 Nurendra Choudhary , Chandan K. Reddy

Knowledge Graph Embedding (KGE) methods have gained enormous attention from a wide range of AI communities including Natural Language Processing (NLP) for text generation, classification and context induction. Embedding a huge number of…

人工智能 · 计算机科学 2022-09-19 Mojtaba Moattari , Sahar Vahdati , Farhana Zulkernine

The rise of graph-structured data has driven major advances in Graph Machine Learning (GML), where graph embeddings (GEs) map features from Knowledge Graphs (KGs) into vector spaces, enabling tasks like node classification and link…

机器学习 · 计算机科学 2026-01-27 Rosario Napoli , Gabriele Morabito , Antonio Celesti , Massimo Villari , Maria Fazio

Knowledge graphs (KGs) composed of users, objects, and tags are widely used in web applications ranging from E-commerce, social media sites to news portals. This paper concentrates on an attractive application which aims to predict the…

信息检索 · 计算机科学 2020-07-17 Chenyang Li , Xu Chen , Ya Zhang , Siheng Chen , Dan Lv , Yanfeng Wang

Logical rules are essential for uncovering the logical connections between relations, which could improve reasoning performance and provide interpretable results on knowledge graphs (KGs). Although there have been many efforts to mine…

人工智能 · 计算机科学 2024-01-23 Linhao Luo , Jiaxin Ju , Bo Xiong , Yuan-Fang Li , Gholamreza Haffari , Shirui Pan

Learning fair graph representations for downstream applications is becoming increasingly important, but existing work has mostly focused on improving fairness at the global level by either modifying the graph structure or objective function…

社会与信息网络 · 计算机科学 2022-12-26 April Chen , Ryan Rossi , Nedim Lipka , Jane Hoffswell , Gromit Chan , Shunan Guo , Eunyee Koh , Sungchul Kim , Nesreen K. Ahmed

In pace with developments in the research field of artificial intelligence, knowledge graphs (KGs) have attracted a surge of interest from both academia and industry. As a representation of semantic relations between entities, KGs have…

计算与语言 · 计算机科学 2022-10-04 Phillip Schneider , Tim Schopf , Juraj Vladika , Mikhail Galkin , Elena Simperl , Florian Matthes