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Multi-hop Knowledge Base Question Answering(KBQA) aims to find the answer entity in a knowledge base which is several hops from the topic entity mentioned in the question. Existing Retrieval-based approaches first generate instructions from…

计算与语言 · 计算机科学 2022-09-08 Haowei Du , Quzhe Huang , Chen Zhang , Dongyan Zhao

Large Language Models (LLMs) have impressive capabilities in text understanding and zero-shot reasoning. However, delays in knowledge updates may cause them to reason incorrectly or produce harmful results. Knowledge Graphs (KGs) provide…

人工智能 · 计算机科学 2025-04-07 Tu Ao , Yanhua Yu , Yuling Wang , Yang Deng , Zirui Guo , Liang Pang , Pinghui Wang , Tat-Seng Chua , Xiao Zhang , Zhen Cai

Knowledge Graph Completion (KGC) aims at automatically predicting missing links for large-scale knowledge graphs. A vast number of state-of-the-art KGC techniques have got published at top conferences in several research fields, including…

计算与语言 · 计算机科学 2020-07-10 Zhiqing Sun , Shikhar Vashishth , Soumya Sanyal , Partha Talukdar , Yiming Yang

Large Language Models (LLMs) often struggle with tasks requiring external knowledge, such as knowledge-intensive Multiple Choice Question Answering (MCQA). Integrating Knowledge Graphs (KGs) can enhance reasoning; however, existing methods…

计算与语言 · 计算机科学 2025-04-01 Haochen Liu , Song Wang , Chen Chen , Jundong Li

Knowledge-based visual question answering (VQA) is a vision-language task that requires an agent to correctly answer image-related questions using knowledge that is not presented in the given image. It is not only a more challenging task…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Mingxiao Li , Marie-Francine Moens

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

Due to the remarkable reasoning ability, Large language models (LLMs) have demonstrated impressive performance in knowledge graph question answering (KGQA) tasks, which find answers to natural language questions over knowledge graphs (KGs).…

计算与语言 · 计算机科学 2025-02-25 Xiao Long , Liansheng Zhuang , Aodi Li , Minghong Yao , Shafei Wang

Question answering systems are the latest evolution in information retrieval technology, designed to accept complex queries in natural language and provide accurate answers using both unstructured and structured knowledge sources. Knowledge…

信息检索 · 计算机科学 2025-01-29 Arash Ghafouri , Mahdi Firouzmandi , Hasan Naderi

The rise of personal assistants has made conversational question answering (ConvQA) a very popular mechanism for user-system interaction. State-of-the-art methods for ConvQA over knowledge graphs (KGs) can only learn from crisp…

信息检索 · 计算机科学 2021-08-23 Magdalena Kaiser , Rishiraj Saha Roy , Gerhard Weikum

The rapid evolution of communication technologies has led to an explosion of standards, rendering traditional expert-dependent consultation methods inefficient and slow. To address this challenge, we propose \textbf{KG2QA}, a question…

计算与语言 · 计算机科学 2025-10-16 Zhongze Luo , Weixuan Wan , Tianya Zhang , Dan Wang , Xiaoying Tang

Knowledge graph question answering (KGQA) aims to answer natural language questions using knowledge graphs. Recent research leverages large language models (LLMs) to enhance KGQA reasoning, but faces limitations: retrieval-based methods are…

计算与语言 · 计算机科学 2025-10-03 Can Lin , Zhengwang Jiang , Ling Zheng , Qi Zhao , Yuhang Zhang , Qi Song , Wangqiu Zhou

Large Language Models (LLMs) have shown remarkable capabilities across various tasks but remain prone to hallucinations in knowledge-intensive scenarios. Knowledge Base Question Answering (KBQA) mitigates this by grounding generation in…

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

Large Language Models (LLMs) have demonstrated significant potential across various domains. However, they often struggle with integrating external knowledge and performing complex reasoning, leading to hallucinations and unreliable…

机器学习 · 计算机科学 2025-11-25 Yao Cheng , Yibo Zhao , Jiapeng Zhu , Yao Liu , Xing Sun , Xiang Li

Knowledge graph reasoning plays a vital role in various applications and has garnered considerable attention. Recently, path-based methods have achieved impressive performance. However, they may face limitations stemming from constraints in…

人工智能 · 计算机科学 2024-12-18 Junnan Liu , Qianren Mao , Weifeng Jiang , Jianxin Li

Large Language Models (LLMs) provide flexible natural language processing capabilities, while knowledge graphs (KGs) offer explicit and structured knowledge. Integrating these two in a complementary manner enables the development of…

The fusion of language models (LMs) and knowledge graphs (KGs) is widely used in commonsense question answering, but generating faithful explanations remains challenging. Current methods often overlook path decoding faithfulness, leading to…

计算与语言 · 计算机科学 2024-09-23 Weihe Zhai , Arkaitz Zubiaga

Accessing knowledge via multilingual natural-language interfaces is one of the emerging challenges in the field of information retrieval and related ones. Structured knowledge stored in knowledge graphs can be queried via a specific query…

计算与语言 · 计算机科学 2025-07-24 Aleksandr Perevalov , Andreas Both

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

Multi-hop Knowledge Base Question Answering(KBQA) aims to find the answer entity in a knowledge graph (KG), which requires multiple steps of reasoning. Existing retrieval-based approaches solve this task by concentrating on the specific…

计算与语言 · 计算机科学 2023-12-20 Haowei Du , Quzhe Huang , Chen Li , Chen Zhang , Yang Li , Dongyan Zhao

Knowledge Graph Question Answering (KGQA) methods seek to answer Natural Language questions using the relational information stored in Knowledge Graphs (KGs). With the recent advancements of Large Language Models (LLMs) and their remarkable…

计算与语言 · 计算机科学 2025-03-26 Armin Toroghi , Willis Guo , Mohammad Mahdi Abdollah Pour , Scott Sanner