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Related papers: Reasoning over Multi-view Knowledge Graphs

200 papers

Conversational recommender systems (CRS) utilize natural language interactions and dialogue history to infer user preferences and provide accurate recommendations. Due to the limited conversation context and background knowledge, existing…

Computation and Language · Computer Science 2024-05-02 Zhangchi Qiu , Ye Tao , Shirui Pan , Alan Wee-Chung Liew

Knowledge graph question answering (KGQA) presents significant challenges due to the structural and semantic variations across input graphs. Existing works rely on Large Language Model (LLM) agents for graph traversal and retrieval; an…

Computation and Language · Computer Science 2025-07-08 Costas Mavromatis , Soji Adeshina , Vassilis N. Ioannidis , Zhen Han , Qi Zhu , Ian Robinson , Bryan Thompson , Huzefa Rangwala , George Karypis

The ability of knowledge graphs to represent complex relationships at scale has led to their adoption for various needs including knowledge representation, question-answering, and recommendation systems. Knowledge graphs are often…

Computation and Language · Computer Science 2023-05-18 Jason Youn , Ilias Tagkopoulos

Logical reasoning over Knowledge Graphs (KGs) is a fundamental technique that can provide efficient querying mechanism over large and incomplete databases. Current approaches employ spatial geometries such as boxes to learn query…

Machine Learning · Computer Science 2021-11-02 Nurendra Choudhary , Nikhil Rao , Sumeet Katariya , Karthik Subbian , Chandan K. Reddy

E-Commerce customer support requires quick and accurate answers grounded in product data and past support cases. This paper develops a novel retrieval-augmented generation (RAG) framework that uses knowledge graphs (KGs) to improve the…

Computation and Language · Computer Science 2025-09-19 Piyushkumar Patel

Large language models (LLMs) still struggle with multi-hop reasoning over knowledge-graphs (KGs), and we identify a previously overlooked structural reason for this difficulty: Transformer attention heads naturally specialize in distinct…

Computation and Language · Computer Science 2026-04-15 Jinliang Liu , Jiale Bai , Shaoning Zeng

This study addresses the challenge of ambiguity in knowledge graph question answering (KGQA). While recent KGQA systems have made significant progress, particularly with the integration of large language models (LLMs), they typically assume…

Computation and Language · Computer Science 2025-04-15 Liqiang Wen , Guanming Xiong , Tong Mo , Bing Li , Weiping Li , Wen Zhao

Recent advances in knowledge representation learning (KRL) highlight the urgent necessity to unify symbolic knowledge graphs (KGs) with language models (LMs) for richer semantic understanding. However, existing approaches typically…

Computation and Language · Computer Science 2025-06-05 Zirui Chen , Xin Wang , Zhao Li , Wenbin Guo , Dongxiao He

Despite the rapid progress of large language models (LLMs), knowledge graph-based question answering (KGQA) remains essential for producing verifiable and hallucination-resistant answers in many real-world settings where answer…

Computation and Language · Computer Science 2026-01-21 Ruijie Wang , Luca Rossetto , Michael Cochez , Abraham Bernstein

Retrieval augmented generation (RAG) has shown great power in improving Large Language Models (LLMs). However, most existing RAG-based LLMs are dedicated to retrieving single modality information, mainly text; while for many real-world…

Computation and Language · Computer Science 2025-06-09 Saptarshi Sengupta , Shuhua Yang , Paul Kwong Yu , Fali Wang , Suhang Wang

In this work we study various Retrieval Augmented Regeneration (RAG) approaches to gain an understanding of the strengths and weaknesses of each approach in a question-answering analysis. To gain this understanding we use a case-study…

Information Retrieval · Computer Science 2025-06-25 Audun Myers , Max Vargas , Sinan G. Aksoy , Cliff Joslyn , Benjamin Wilson , Lee Burke , Tom Grimes

Recent years have witnessed rapid advances in graph representation learning, with the continuous embedding approach emerging as the dominant paradigm. However, such methods encounter issues regarding parameter efficiency, interpretability,…

Machine Learning · Computer Science 2026-01-22 Qika Lin , Zhen Peng , Kaize Shi , Kai He , Yiming Xu , Jian Zhang , Erik Cambria , Mengling Feng

In the realm of computational knowledge representation, Knowledge Graph Reasoning (KG-R) stands at the forefront of facilitating sophisticated inferential capabilities across multifarious domains. The quintessence of this research…

Artificial Intelligence · Computer Science 2024-03-12 Chen Li , Haotian Zheng , Yiping Sun , Cangqing Wang , Liqiang Yu , Che Chang , Xinyu Tian , Bo Liu

While Large Language Models (LLMs) demonstrate exceptional performance in a multitude of Natural Language Processing (NLP) tasks, they encounter challenges in practical applications, including issues with hallucinations, inadequate…

Computation and Language · Computer Science 2024-06-13 Yihao Li , Ru Zhang , Jianyi Liu

Recent advancements have witnessed the ascension of Large Language Models (LLMs), endowed with prodigious linguistic capabilities, albeit marred by shortcomings including factual inconsistencies and opacity. Conversely, Knowledge Graphs…

Information Retrieval · Computer Science 2024-07-29 DaiFeng Li , Fan Xu

While large language models (LLMs) have made considerable advancements in understanding and generating unstructured text, their application in structured data remains underexplored. Particularly, using LLMs for complex reasoning tasks on…

Computation and Language · Computer Science 2023-10-18 Jiho Kim , Yeonsu Kwon , Yohan Jo , Edward Choi

Knowledge-based Visual Question Answering (KVQA) requires external knowledge beyond the visible content to answer questions about an image. This ability is challenging but indispensable to achieve general VQA. One limitation of existing…

Artificial Intelligence · Computer Science 2020-11-04 Jing Yu , Zihao Zhu , Yujing Wang , Weifeng Zhang , Yue Hu , Jianlong Tan

Graph Representation Learning (GRL) has experienced significant progress as a means to extract structural information in a meaningful way for subsequent learning tasks. Current approaches including shallow embeddings and Graph Neural…

Machine Learning · Computer Science 2020-06-19 Antonia Gogoglou , C. Bayan Bruss , Brian Nguyen , Reza Sarshogh , Keegan E. Hines

Knowledge-intensive tasks pose a significant challenge for Machine Learning (ML) techniques. Commonly adopted methods, such as Large Language Models (LLMs), often exhibit limitations when applied to such tasks. Nevertheless, there have been…

Machine Learning · Computer Science 2024-05-20 Albert Sawczyn , Jakub Binkowski , Piotr Bielak , Tomasz Kajdanowicz

Knowledge Graphs (KGs) have long served as a fundamental infrastructure for structured knowledge representation and reasoning. With the advent of Large Language Models (LLMs), the construction of KGs has entered a new paradigm-shifting from…

Artificial Intelligence · Computer Science 2025-10-24 Haonan Bian
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