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相关论文: Towards Better Evolution Modeling for Temporal Kno…

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Symbolic knowledge graphs (KGs) play a pivotal role in knowledge-centric applications such as search, question answering and recommendation. As contemporary language models (LMs) trained on extensive textual data have gained prominence,…

计算与语言 · 计算机科学 2023-08-29 Vishwas Mruthyunjaya , Pouya Pezeshkpour , Estevam Hruschka , Nikita Bhutani

Temporal Knowledge Graphs have emerged as a powerful way of not only modeling static relationships between entities but also the dynamics of how relations evolve over time. As these informational structures can be used to store information…

机器学习 · 计算机科学 2025-10-29 Edward Markai , Sina Molavipour

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…

人工智能 · 计算机科学 2022-09-14 Feng Zhao , Ziqi Zhang , Donglin Wang

Pre-trained large language models (PLLMs) like OpenAI ChatGPT and Google Gemini face challenges such as inaccurate factual recall, hallucinations, biases, and future data leakage for temporal Knowledge Graph (tKG) forecasting. To address…

计算与语言 · 计算机科学 2024-08-27 Geethan Sannidhi , Sagar Srinivas Sakhinana , Venkataramana Runkana

Outdated facts in temporal knowledge graphs (TKGs) result from exceeding the expiration date of facts, which negatively impact reasoning performance on TKGs. However, existing reasoning methods primarily focus on positive importance of…

人工智能 · 计算机科学 2025-05-13 Feng Ding , Tingting Wang , Yupeng Gao , Shuo Yu , Jing Ren , Feng Xia

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

Knowledge Graph (KG) completion is the problem of extending an incomplete KG with missing facts. A key feature of Machine Learning approaches for KG completion is their ability to learn inference patterns, so that the predicted facts are…

人工智能 · 计算机科学 2023-06-09 Shuwen Liu , Bernardo Cuenca Grau , Ian Horrocks , Egor V. Kostylev

Current Multimodal Knowledge Graph Construction (MKGC) models struggle with the real-world dynamism of continuously emerging entities and relations, often succumbing to catastrophic forgetting-loss of previously acquired knowledge. This…

计算与语言 · 计算机科学 2024-05-28 Xiang Chen , Jintian Zhang , Xiaohan Wang , Ningyu Zhang , Tongtong Wu , Yuxiang Wang , Yongheng Wang , Huajun Chen

Frontier large language models generate clinically accurate outputs, but their citations are often fabricated. We term this the Provenance Gap. We tested five frontier LLMs across 36 clinician-validated scenarios for three rare…

Sequential recommendation has increasingly shifted toward generative recommenders that combine sequential patterns with semantic item information. Yet these methods are often evaluated on a small set of widely used benchmarks, raising a key…

Knowledge graph embeddings (KGEs) were originally developed to infer true but missing facts in incomplete knowledge repositories. In this paper, we link knowledge graph completion and counterfactual reasoning via our new task CFKGR. We…

机器学习 · 计算机科学 2024-03-12 Lena Zellinger , Andreas Stephan , Benjamin Roth

Knowledge Graphs (KGs) are foundational structures in many AI applications, representing entities and their interrelations through triples. However, triple-based KGs lack the contextual information of relational knowledge, like temporal…

人工智能 · 计算机科学 2024-07-01 Chengjin Xu , Muzhi Li , Cehao Yang , Xuhui Jiang , Lumingyuan Tang , Yiyan Qi , Jian Guo

Neural implicit mapping has emerged as a powerful paradigm for robotic navigation and scene understanding. However, real-world robotic deployment requires continual adaptation to changing environments under strict memory and computation…

机器人学 · 计算机科学 2026-05-29 Xunlan Zhou , Hongrui Zhao , Negar Mehr

Deep graph clustering has recently received significant attention due to its ability to enhance the representation learning capabilities of models in unsupervised scenarios. Nevertheless, deep clustering for temporal graphs, which could…

机器学习 · 计算机科学 2024-04-12 Meng Liu , Yue Liu , Ke Liang , Wenxuan Tu , Siwei Wang , Sihang Zhou , Xinwang Liu

Most knowledge graphs (KGs) are incomplete, which motivates one important research topic on automatically complementing knowledge graphs. However, evaluation of knowledge graph completion (KGC) models often ignores the incompleteness --…

人工智能 · 计算机科学 2022-09-20 Haotong Yang , Zhouchen Lin , Muhan Zhang

Advances in information extraction have enabled the automatic construction of large knowledge graphs (e.g., Yago, Wikidata or Google KG), which are widely used in many applications like semantic search or data analytics. However, due to…

计算与语言 · 计算机科学 2024-09-13 Zihang Peng , Daria Stepanova , Vinh Thinh Ho , Heike Adel , Alessandra Russo , Simon Ott

To alleviate data sparsity and cold-start problems of traditional recommender systems (RSs), incorporating knowledge graphs (KGs) to supplement auxiliary information has attracted considerable attention recently. However, simply integrating…

信息检索 · 计算机科学 2022-01-04 Yankai Chen , Yaming Yang , Yujing Wang , Jing Bai , Xiangchen Song , Irwin King

Temporal knowledge graph question answering (TKGQA) poses a significant challenge task, due to the temporal constraints hidden in questions and the answers sought from dynamic structured knowledge. Although large language models (LLMs) have…

计算与语言 · 计算机科学 2024-07-25 Yifu Gao , Linbo Qiao , Zhigang Kan , Zhihua Wen , Yongquan He , Dongsheng Li

Knowledge Base Question Answering (KBQA) has been a long-standing field to answer questions based on knowledge bases. Recently, the evolving dynamics of knowledge have attracted a growing interest in Temporal Knowledge Graph Question…

计算与语言 · 计算机科学 2026-01-15 Miao Su , Zixuan Li , Zhuo Chen , Long Bai , Xiaolong Jin , Jiafeng Guo

To handle graphs in which features or connectivities are evolving over time, a series of temporal graph neural networks (TGNNs) have been proposed. Despite the success of these TGNNs, the previous TGNN evaluations reveal several limitations…