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Knowledge Graph (KG), as a side-information, tends to be utilized to supplement the collaborative filtering (CF) based recommendation model. By mapping items with the entities in KGs, prior studies mostly extract the knowledge information…

Information Retrieval · Computer Science 2022-12-21 Yinwei Wei , Xiang Wang , Liqiang Nie , Shaoyu Li , Dingxian Wang , Tat-Seng Chua

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 widely employed in artificial intelligence applications, such as question-answering and recommendation systems. However, KGs are frequently found to be incomplete. While much of the existing literature focuses on…

Artificial Intelligence · Computer Science 2024-06-28 Sakher Khalil Alqaaidi , Krzysztof Kochut

We propose a new end-to-end method for extending a Knowledge Graph (KG) from tables. Existing techniques tend to interpret tables by focusing on information that is already in the KG, and therefore tend to extract many redundant facts. Our…

Information Retrieval · Computer Science 2019-07-16 Benno Kruit , Peter Boncz , Jacopo Urbani

Knowledge representation (KR) is vital in designing symbolic notations to represent real-world facts and facilitate automated decision-making tasks. Knowledge graphs (KGs) have emerged so far as a popular form of KR, offering a contextual…

Artificial Intelligence · Computer Science 2023-10-18 Diego Rincon-Yanez , Chahinez Ounoughi , Bassem Sellami , Tarmo Kalvet , Marek Tiits , Sabrina Senatore , Sadok Ben Yahia

The trends of open science have enabled several open scholarly datasets which include millions of papers and authors. Managing, exploring, and utilizing such large and complicated datasets effectively are challenging. In recent years, the…

Artificial Intelligence · Computer Science 2025-08-19 Hung Nghiep Tran , Atsuhiro Takasu

Numerous Knowledge Graphs (KGs) are being created to make Recommender Systems (RSs) not only intelligent but also knowledgeable. Integrating a KG in the recommendation process allows the underlying model to extract reasoning paths between…

Information Retrieval · Computer Science 2022-11-11 Giacomo Balloccu , Ludovico Boratto , Gianni Fenu , Mirko Marras

Knowledge Graph (KG) completion is an important task that greatly benefits knowledge discovery in many fields (e.g. biomedical research). In recent years, learning KG embeddings to perform this task has received considerable attention.…

Machine Learning · Computer Science 2022-08-01 Adil Bahaj , Safae Lhazmir , Mounir Ghogho

Biomedical datasets are often modeled as knowledge graphs (KGs) because they capture the multi-relational, heterogeneous, and dynamic natures of biomedical systems. KG completion (KGC), can, therefore, help researchers make predictions to…

Artificial Intelligence · Computer Science 2023-07-18 Lauren Nicole DeLong , Ramon Fernández Mir , Zonglin Ji , Fiona Niamh Coulter Smith , Jacques D. Fleuriot

Knowledge graph completion (KGC), the task of predicting missing information based on the existing relational data inside a knowledge graph (KG), has drawn significant attention in recent years. However, the predictive power of KGC methods…

Computation and Language · Computer Science 2023-05-26 Weihang Zhang , Ovidiu Serban , Jiahao Sun , Yi-ke Guo

With knowledge graphs (KGs) at the center of numerous applications such as recommender systems and question answering, the need for generalized pipelines to construct and continuously update such KGs is increasing. While the individual…

Artificial Intelligence · Computer Science 2024-09-05 Marvin Hofer , Daniel Obraczka , Alieh Saeedi , Hanna Köpcke , Erhard Rahm

Adoption of recently developed methods from machine learning has given rise to creation of drug-discovery knowledge graphs (KG) that utilize the interconnected nature of the domain. Graph-based modelling of the data, combined with KG…

Machine Learning · Computer Science 2022-07-27 Stephen Bonner , Ufuk Kirik , Ola Engkvist , Jian Tang , Ian P Barrett

In the digital era, user interactions with various resources such as databases, data warehouses, websites, and knowledge graphs (KGs) are increasingly mediated through digital platforms. These interactions leave behind digital traces,…

Databases · Computer Science 2025-08-20 Dihia Lanasri

The size of the National Aeronautics and Space Administration (NASA) Science Mission Directorate (SMD) is growing exponentially, allowing researchers to make discoveries. However, making discoveries is challenging and time-consuming due to…

In today's rapidly evolving landscape of Artificial Intelligence, large language models (LLMs) have emerged as a vibrant research topic. LLMs find applications in various fields and contribute significantly. Despite their powerful language…

Computation and Language · Computer Science 2024-09-10 Tuan Bui , Oanh Tran , Phuong Nguyen , Bao Ho , Long Nguyen , Thang Bui , Tho Quan

Smart factories are equipped with machines that can sense their manufacturing environments, interact with each other, and control production processes. Smooth operation of such factories requires that the machines and engineering personnel…

Knowledge graph completion (KGC) can predict missing links and is crucial for real-world knowledge graphs, which widely suffer from incompleteness. KGC methods assume a knowledge graph is static, but that may lead to inaccurate prediction…

Artificial Intelligence · Computer Science 2023-11-14 Borui Cai , Yong Xiang , Longxiang Gao , He Zhang , Yunfeng Li , Jianxin Li

Given multiple input signals, how can we infer node importance in a knowledge graph (KG)? Node importance estimation is a crucial and challenging task that can benefit a lot of applications including recommendation, search, and query…

Machine Learning · Computer Science 2020-06-23 Namyong Park , Andrey Kan , Xin Luna Dong , Tong Zhao , Christos Faloutsos

Identifying and predicting the factors that contribute to the success of interdisciplinary research is crucial for advancing scientific discovery. However, there is a lack of methods to quantify the integration of new ideas and…

Instrumentation and Methods for Astrophysics · Physics 2024-06-18 Zechang Sun , Yuan-Sen Ting , Yaobo Liang , Nan Duan , Song Huang , Zheng Cai