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The existing network attack and defense method can be regarded as game, but most of the game only involves network domain, not multiple domain cyberspace. To address this challenge, this paper proposed a multiple domain cyberspace attack…

人工智能 · 计算机科学 2022-05-24 Lei Zhang , Yu Pan , Yi Liu , Qibin Zheng , Zhisong Pan

Knowledge Graph (KG) alignment is to discover the mappings (i.e., equivalent entities, relations, and others) between two KGs. The existing methods can be divided into the embedding-based models, and the conventional reasoning and lexical…

计算与语言 · 计算机科学 2021-06-14 Zhiyuan Qi , Ziheng Zhang , Jiaoyan Chen , Xi Chen , Yuejia Xiang , Ningyu Zhang , Yefeng Zheng

Inductive Knowledge Graph Reasoning (KGR) aims to discover facts in open-domain KGs containing unknown entities and relations, which poses a challenge for KGR models in comprehending uncertain KG components. Existing studies have proposed…

计算与语言 · 计算机科学 2026-04-08 Xingrui Zhuo , Jiapu Wang , Gongqing Wu , Zhongyuan Wang , Jichen Zhang , Shirui Pan , Xindong Wu

The ability to reason over learned knowledge is an innate ability for humans and humans can easily master new reasoning rules with only a few demonstrations. While most existing studies on knowledge graph (KG) reasoning assume enough…

计算与语言 · 计算机科学 2019-08-15 Hong Wang , Wenhan Xiong , Mo Yu , Xiaoxiao Guo , Shiyu Chang , William Yang Wang

The integration of Knowledge Graphs (KGs) into the Retrieval Augmented Generation (RAG) framework has attracted significant interest, with early studies showing promise in mitigating hallucinations and improving model accuracy. However, a…

人工智能 · 计算机科学 2025-05-20 Xujie Yuan , Yongxu Liu , Shimin Di , Shiwen Wu , Libin Zheng , Rui Meng , Lei Chen , Xiaofang Zhou , Jian Yin

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

Large language models have shown remarkable language processing and reasoning ability but are prone to hallucinate when asked about private data. Retrieval-augmented generation (RAG) retrieves relevant data that fit into an LLM's context…

机器学习 · 计算机科学 2025-11-13 Alfred Clemedtson , Borun Shi

Knowledge Graph-based Retrieval-Augmented Generation (KG-RAG) significantly enhances the reasoning capabilities of LargeLanguage Models by leveraging structured knowledge. However, existing KG-RAG frameworks typically operate as open-loop…

信息检索 · 计算机科学 2025-08-14 Xujie Yuan , Shimin Di , Jielong Tang , Libin Zheng , Jian Yin

Path-based relational reasoning over knowledge graphs has become increasingly popular due to a variety of downstream applications such as question answering in dialogue systems, fact prediction, and recommender systems. In recent years,…

机器学习 · 计算机科学 2020-03-16 Mandana Saebi , Steven Krieg , Chuxu Zhang , Meng Jiang , Nitesh Chawla

In this work, we present a learning-based approach to analysis cyberspace security configuration. Unlike prior methods, our approach has the ability to learn from past experience and improve over time. In particular, as we train over a…

密码学与安全 · 计算机科学 2021-04-16 Lei Zhang , Wei Bai , Wei Li , Shiming Xia , Qibin Zheng

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

Retrieval Augmented Generation (RAG) has gradually emerged as a promising paradigm for enhancing the accuracy and factual consistency of content generated by large language models (LLMs). However, existing RAG studies primarily focus on…

信息检索 · 计算机科学 2025-07-24 Qikai Wei , Huansheng Ning , Chunlong Han , Jianguo Ding

Large Language Models (LLMs) exhibit strong abilities in natural language understanding and generation, yet they struggle with knowledge-intensive reasoning. Structured Knowledge Graphs (KGs) provide an effective form of external knowledge…

计算与语言 · 计算机科学 2026-04-15 Shuai Wang , Yinan Yu

Graph mining tasks arise from many different application domains, ranging from social networks, transportation to E-commerce, etc., which have been receiving great attention from the theoretical and algorithmic design communities in recent…

机器学习 · 计算机科学 2023-01-18 Mingshuo Nie , Dongming Chen , Dongqi Wang

Large Language Models (LLMs) excel at language understanding but remain limited in knowledge-intensive domains due to hallucinations, outdated information, and limited explainability. Text-based retrieval-augmented generation (RAG) helps…

计算与语言 · 计算机科学 2026-02-09 Larissa Pusch , Alexandre Courtiol , Tim Conrad

Self-play reinforcement learning has shown strong performance in domains with formally verifiable structure, such as mathematics and coding, where both problem generation and reward computation can be grounded in explicit rules. Extending…

人工智能 · 计算机科学 2026-05-08 Hyobin Park , Taeseop Kim , Dong-Geol Choi

Knowledge graph (KG) embeddings have been a mainstream approach for reasoning over incomplete KGs. However, limited by their inherently shallow and static architectures, they can hardly deal with the rising focus on complex logical queries,…

机器学习 · 计算机科学 2022-08-17 Xiao Liu , Shiyu Zhao , Kai Su , Yukuo Cen , Jiezhong Qiu , Mengdi Zhang , Wei Wu , Yuxiao Dong , Jie Tang

Retrieval-Augmented Generation (RAG) based on knowledge graphs (KGs) enhances large language models (LLMs) by providing structured and interpretable external knowledge. However, existing KG-based RAG methods struggle to retrieve accurate…

人工智能 · 计算机科学 2025-10-21 Junchi Yu , Yujie Liu , Jindong Gu , Philip Torr , Dongzhan Zhou

Large language models (LLMs) show promise for diagnostic reasoning but often lack reliable, knowledge grounded inference. Knowledge graphs (KGs), such as the Unified Medical Language System (UMLS), offer structured biomedical knowledge that…

计算与语言 · 计算机科学 2025-09-24 Saksham Khatwani , He Cheng , Majid Afshar , Dmitriy Dligach , Yanjun Gao

Temporal knowledge graphs (TKGs) model the temporal evolution of events and have recently attracted increasing attention. Since TKGs are intrinsically incomplete, it is necessary to reason out missing elements. Although existing TKG…

人工智能 · 计算机科学 2023-04-11 Shangfei Zheng , Hongzhi Yin , Tong Chen , Quoc Viet Hung Nguyen , Wei Chen , Lei Zhao