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相关论文: Temporal Knowledge Graph Completion using Box Embe…

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Existing knowledge graph (KG) embedding models have primarily focused on static KGs. However, real-world KGs do not remain static, but rather evolve and grow in tandem with the development of KG applications. Consequently, new facts and…

计算与语言 · 计算机科学 2023-04-11 Yuanning Cui , Yuxin Wang , Zequn Sun , Wenqiang Liu , Yiqiao Jiang , Kexin Han , Wei Hu

Multi-hop logical reasoning over knowledge graph (KG) plays a fundamental role in many artificial intelligence tasks. Recent complex query embedding (CQE) methods for reasoning focus on static KGs, while temporal knowledge graphs (TKGs)…

机器学习 · 计算机科学 2023-10-17 Xueyuan Lin , Chengjin Xu , Haihong E , Fenglong Su , Gengxian Zhou , Tianyi Hu , Ningyuan Li , Mingzhi Sun , Haoran Luo

A fundamental task for knowledge graphs (KGs) is knowledge graph completion (KGC). It aims to predict unseen edges by learning representations for all the entities and relations in a KG. A common concern when learning representations on…

机器学习 · 计算机科学 2023-02-13 Harry Shomer , Wei Jin , Wentao Wang , Jiliang Tang

Since large knowledge bases are typically incomplete, missing facts need to be inferred from observed facts in a task called knowledge base completion. The most successful approaches to this task have typically explored explicit paths…

人工智能 · 计算机科学 2018-04-24 Yelong Shen , Po-Sen Huang , Ming-Wei Chang , Jianfeng Gao

Question answering over temporal knowledge graphs (TKGQA) has recently found increasing interest. TKGQA requires temporal reasoning techniques to extract the relevant information from temporal knowledge bases. The only existing TKGQA…

人工智能 · 计算机科学 2023-07-21 Zifeng Ding , Zongyue Li , Ruoxia Qi , Jingpei Wu , Bailan He , Yunpu Ma , Zhao Meng , Shuo Chen , Ruotong Liao , Zhen Han , Volker Tresp

Knowledge graph is a popular format for representing knowledge, with many applications to semantic search engines, question-answering systems, and recommender systems. Real-world knowledge graphs are usually incomplete, so knowledge graph…

机器学习 · 计算机科学 2023-04-26 Hung Nghiep Tran , Atsuhiro Takasu

In recent years, we have witnessed the proliferation of knowledge graphs (KG) in various domains, aiming to support applications like question answering, recommendations, etc. A frequent task when integrating knowledge from different KGs is…

数据库 · 计算机科学 2023-06-08 Nikolaos Fanourakis , Vasilis Efthymiou , Dimitris Kotzinos , Vassilis Christophides

Knowledge Graph Embedding (KGE) has proven to be an effective approach to solving the Knowledge Graph Completion (KGC) task. Relational patterns which refer to relations with specific semantics exhibiting graph patterns are an important…

人工智能 · 计算机科学 2023-08-16 Long Jin , Zhen Yao , Mingyang Chen , Huajun Chen , Wen Zhang

Knowledge graphs (KGs) are crucial for representing and reasoning over structured information, supporting a wide range of applications such as information retrieval, question answering, and decision-making. However, their effectiveness is…

计算与语言 · 计算机科学 2024-12-13 Udari Madhushani Sehwag , Kassiani Papasotiriou , Jared Vann , Sumitra Ganesh

Temporal knowledge graph (TKG) reasoning aims to predict the future missing facts based on historical information and has gained increasing research interest recently. Lots of works have been made to model the historical structural and…

人工智能 · 计算机科学 2023-04-26 Hao Dong , Zhiyuan Ning , Pengyang Wang , Ziyue Qiao , Pengfei Wang , Yuanchun Zhou , Yanjie Fu

Inferring missing facts in temporal knowledge graphs (TKGs) is a fundamental and challenging task. Previous works have approached this problem by augmenting methods for static knowledge graphs to leverage time-dependent representations.…

机器学习 · 计算机科学 2020-10-09 Jiapeng Wu , Meng Cao , Jackie Chi Kit Cheung , William L. Hamilton

Recently there is an increasing scholarly interest in time-varying knowledge graphs, or temporal knowledge graphs (TKG). Previous research suggests diverse approaches to TKG reasoning that uses historical information. However, less…

机器学习 · 计算机科学 2022-09-14 Jihoon Sohn , Mingyu Derek Ma , Muhao Chen

Knowledge graph (KG) reasoning is becoming increasingly popular in both academia and industry. Conventional KG reasoning based on symbolic logic is deterministic, with reasoning results being explainable, while modern embedding-based…

人工智能 · 计算机科学 2022-02-16 Wen Zhang , Jiaoyan Chen , Juan Li , Zezhong Xu , Jeff Z. Pan , Huajun Chen

Tracing a student's knowledge growth given the past exercise answering is a vital objective in automatic tutoring systems to customize the learning experience. Yet, achieving this objective is a non-trivial task as it involves modeling the…

计算机与社会 · 计算机科学 2024-10-04 Seif Gad , Sherif Abdelfattah , Ghodai Abdelrahman

Knowledge graph completion (KGC) aims to reason over known facts and infer the missing links. Text-based methods such as KGBERT (Yao et al., 2019) learn entity representations from natural language descriptions, and have the potential for…

计算与语言 · 计算机科学 2022-03-07 Liang Wang , Wei Zhao , Zhuoyu Wei , Jingming Liu

Knowledge graph completion (KGC) can be framed as a 3-order binary tensor completion task. Tensor decomposition-based (TDB) models have demonstrated strong performance in KGC. In this paper, we provide a summary of existing TDB models and…

机器学习 · 计算机科学 2025-06-04 Changyi Xiao , Yixin Cao

Recent advances in knowledge graph completion (KGC) have emphasized text-based approaches to navigate the inherent complexities of large-scale knowledge graphs (KGs). While these methods have achieved notable progress, they frequently…

计算与语言 · 计算机科学 2025-06-16 Haotian Li , Rui Zhang , Lingzhi Wang , Bin Yu , Youwei Wang , Yuliang Wei , Kai Wang , Richard Yi Da Xu , Bailing Wang

Multi-hop reasoning over real-life knowledge graphs (KGs) is a highly challenging problem as traditional subgraph matching methods are not capable to deal with noise and missing information. To address this problem, it has been recently…

人工智能 · 计算机科学 2022-07-05 Zhiwei Hu , Víctor Gutiérrez-Basulto , Zhiliang Xiang , Xiaoli Li , Ru Li , Jeff Z. Pan

There has been an increasing interest in inferring future links on temporal knowledge graphs (KG). While links on temporal KGs vary continuously over time, the existing approaches model the temporal KGs in discrete state spaces. To this…

机器学习 · 计算机科学 2022-06-03 Zhen Han , Zifeng Ding , Yunpu Ma , Yujia Gu , Volker Tresp

Knowledge Graphs (KGs), representing facts as triples, have been widely adopted in many applications. Reasoning tasks such as link prediction and rule induction are important for the development of KGs. Knowledge Graph Embeddings (KGEs)…

人工智能 · 计算机科学 2021-12-17 Wen Zhang , Shumin Deng , Mingyang Chen , Liang Wang , Qiang Chen , Feiyu Xiong , Xiangwen Liu , Huajun Chen