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In this paper we propose a novel approach based on knowledge graphs to provide timely access to structured information, to enable actionable technology intelligence, and improve cyber-physical systems planning. Our framework encompasses a…

Artificial Intelligence · Computer Science 2024-10-01 Frank Wawrzik , Matthias Plaue , Savan Vekariya , Christoph Grimm

Traditional methods of linking large language models (LLMs) to knowledge bases via the semantic similarity search often fall short of capturing complex relational dynamics. To address these limitations, we introduce AutoKG, a lightweight…

Computation and Language · Computer Science 2023-11-28 Bohan Chen , Andrea L. Bertozzi

Knowledge graph completion (KGC) seeks to predict missing entities (e.g., heads or tails) or relationships in knowledge graphs (KGs), which often contain incomplete data. Traditional embedding-based methods, such as TransE and ComplEx, have…

Computation and Language · Computer Science 2025-03-11 Haji Gul , Ajaz Ahmad Bhat , Abdul Ghani Haji Naim

Knowledge graph completion (KGC) aims to infer new knowledge and make predictions from knowledge graphs. Recently, large language models (LLMs) have exhibited remarkable reasoning capabilities. LLM-enhanced KGC methods primarily focus on…

Computation and Language · Computer Science 2025-09-03 Yu Liu , Yanan Cao , Xixun Lin , Yanmin Shang , Shi Wang , Shirui Pan

Recently, cross-spectral image patch matching based on feature relation learning has attracted extensive attention. However, performance bottleneck problems have gradually emerged in existing methods. To address this challenge, we make the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Chuang Yu , Yunpeng Liu , Jinmiao Zhao , Xiangyu Yue

Knowledge Graph-based Retrieval-Augmented Generation (KG-RAG) is an increasingly explored approach for combining the reasoning capabilities of large language models with the structured evidence of knowledge graphs. However, current…

Artificial Intelligence · Computer Science 2026-01-13 Dongzhuoran Zhou , Yuqicheng Zhu , Xiaxia Wang , Hongkuan Zhou , Yuan He , Jiaoyan Chen , Steffen Staab , Evgeny Kharlamov

Over the past few years, large knowledge bases have been constructed to store massive amounts of knowledge. However, these knowledge bases are highly incomplete, for example, over 70% of people in Freebase have no known place of birth. To…

Databases · Computer Science 2023-05-11 Yang Peng , Daisy Zhe Wang

In biostatistics, propensity score is a common approach to analyze the imbalance of covariate and process confounding covariates to eliminate differences between groups. While there are an abundant amount of methods to compute propensity…

Methodology · Statistics 2018-01-11 Chen Wang , Suzhen Wang , Fuyan Shi , Zaixiang Wang

Tensor factorization has become an increasingly popular approach to knowledge graph completion(KGC), which is the task of automatically predicting missing facts in a knowledge graph. However, even with a simple model like…

Machine Learning · Computer Science 2019-02-11 Koki Kishimoto , Katsuhiko Hayashi , Genki Akai , Masashi Shimbo , Kazunori Komatani

An approach to evolutionary ensemble learning for classification is proposed in which boosting is used to construct a stack of programs. Each application of boosting identifies a single champion and a residual dataset, i.e. the training…

Neural and Evolutionary Computing · Computer Science 2023-11-27 Zhilei Zhou , Ziyu Qiu , Brad Niblett , Andrew Johnston , Jeffrey Schwartzentruber , Nur Zincir-Heywood , Malcolm Heywood

Large, heterogeneous datasets are characterized by missing or even erroneous information. This is more evident when they are the product of community effort or automatic fact extraction methods from external sources, such as text. A special…

Databases · Computer Science 2021-02-24 Ruud van Bakel , Teodor Aleksiev , Daniel Daza , Dimitrios Alivanistos , Michael Cochez

Knowledge graph completion (KGC) aims to predict missing facts in knowledge graphs (KGs), which is crucial as modern KGs remain largely incomplete. While training KGC models on multiple aligned KGs can improve performance, previous methods…

Computation and Language · Computer Science 2023-12-19 Wei Tang , Zhiqian Wu , Yixin Cao , Yong Liao , Pengyuan Zhou

This paper proposes a universal method, Boost Picking, to train supervised classification models mainly by un-labeled data. Boost Picking only adopts two weak classifiers to estimate and correct the error. It is theoretically proved that…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Fuqiang Liu , Fukun Bi , Yiding Yang , Liang Chen

The technique of combining multiple votes to enhance the quality of a decision is the core of boosting algorithms in machine learning. In particular, boosting provably increases decision quality by combining multiple weak…

Quantum Physics · Physics 2025-10-07 Amira Abbas , Yanlin Chen , Tuyen Nguyen , Ronald de Wolf

Knowledge Graph based Retrieval-Augmented Generation (KG-RAG) is a technique that enhances Large Language Model (LLM) inference in tasks like Question Answering (QA) by retrieving relevant information from knowledge graphs (KGs). However,…

Artificial Intelligence · Computer Science 2025-09-01 Dongzhuoran Zhou , Yuqicheng Zhu , Xiaxia Wang , Yuan He , Jiaoyan Chen , Steffen Staab , Evgeny Kharlamov

Link prediction is critical for the application of incomplete knowledge graph (KG) in the downstream tasks. As a family of effective approaches for link predictions, embedding methods try to learn low-rank representations for both entities…

Computation and Language · Computer Science 2019-11-22 Canran Xu , Ruijiang Li

In the era of big data, the utilization of credit-scoring models to determine the credit risk of applicants accurately becomes a trend in the future. The conventional machine learning on credit scoring data sets tends to have poor…

Machine Learning · Statistics 2021-02-10 Xiaofan Liua , Zuoquan Zhanga , Di Wanga

The design and development of text-based knowledge graph completion (KGC) methods leveraging textual entity descriptions are at the forefront of research. These methods involve advanced optimization techniques such as soft prompts and…

Computation and Language · Computer Science 2024-06-28 Rui Yang , Jiahao Zhu , Jianping Man , Li Fang , Yi Zhou

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…

Artificial Intelligence · Computer Science 2022-09-19 Mojtaba Moattari , Sahar Vahdati , Farhana Zulkernine

In the dynamic landscape of machine learning, where datasets vary widely in size and complexity, selecting the most effective model poses a significant challenge. Rather than fixating on a single model, our research propels the field…

Machine Learning · Computer Science 2024-05-01 Syed Tahir Abbas Hasani