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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…

Computation and Language · Computer Science 2025-07-24 Aleksandr Perevalov , Andreas Both

This paper presents a scholarly Knowledge Graph Question Answering (KGQA) that answers bibliographic natural language questions by leveraging a large language model (LLM) in a few-shot manner. The model initially identifies the top-n…

Computation and Language · Computer Science 2023-11-17 Tilahun Abedissa Taffa , Ricardo Usbeck

Knowledge Graph Question Answering (KGQA) has become a prominent area in natural language processing due to the emergence of large-scale Knowledge Graphs (KGs). Recently Neural Machine Translation based approaches are gaining momentum that…

Computation and Language · Computer Science 2021-09-21 Sukannya Purkayastha , Saswati Dana , Dinesh Garg , Dinesh Khandelwal , G P Shrivatsa Bhargav

Knowledge Graph Question Answering (KGQA) systems are based on machine learning algorithms, requiring thousands of question-answer pairs as training examples or natural language processing pipelines that need module fine-tuning. In this…

Artificial Intelligence · Computer Science 2022-02-03 Daniel Vollmers , Rricha Jalota , Diego Moussallem , Hardik Topiwala , Axel-Cyrille Ngonga Ngomo , Ricardo Usbeck

The goal of Question Answering over Knowledge Graphs (KGQA) is to find answers for natural language questions over a knowledge graph. Recent KGQA approaches adopt a neural machine translation (NMT) approach, where the natural language…

Artificial Intelligence · Computer Science 2021-07-08 Daniel Diomedi , Aidan Hogan

Question Answering over Knowledge Graph (KGQA) aims to seek answer entities for the natural language question from a large-scale Knowledge Graph~(KG). To better perform reasoning on KG, recent work typically adopts a pre-trained language…

Computation and Language · Computer Science 2024-01-02 Jinhao Jiang , Kun Zhou , Wayne Xin Zhao , Yaliang Li , Ji-Rong Wen

Knowledge from diverse application domains is organized as knowledge graphs (KGs) that are stored in RDF engines accessible in the web via SPARQL endpoints. Expressing a well-formed SPARQL query requires information about the graph…

Artificial Intelligence · Computer Science 2023-08-10 Reham Omar , Ishika Dhall , Panos Kalnis , Essam Mansour

Knowledge Graph Question Answering (KGQA) is a crucial task in natural language processing that requires reasoning over knowledge graphs (KGs) to answer natural language questions. Recent methods utilizing large language models (LLMs) have…

Computation and Language · Computer Science 2025-06-12 Xiujun Zhou , Pingjian Zhang , Deyou Tang

With the recent spike in the number and availability of Large Language Models (LLMs), it has become increasingly important to provide large and realistic benchmarks for evaluating Knowledge Graph Question Answering (KGQA) systems. So far…

Computation and Language · Computer Science 2024-02-08 Catherine Kosten , Philippe Cudré-Mauroux , Kurt Stockinger

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

Knowledge Graph Question Answering (KGQA) aims to answer user-questions from a knowledge graph (KG) by identifying the reasoning relations between topic entity and answer. As a complex branch task of KGQA, multi-hop KGQA requires reasoning…

Computation and Language · Computer Science 2022-11-15 Weiqiang Jin , Biao Zhao , Hang Yu , Xi Tao , Ruiping Yin , Guizhong Liu

Knowledge graph question answering (KGQA) involves answering natural language questions by leveraging structured information stored in a knowledge graph. Typically, KGQA initially retrieve a targeted subgraph from a large-scale knowledge…

Computation and Language · Computer Science 2024-10-03 Yu Zhang , Kehai Chen , Xuefeng Bai , zhao kang , Quanjiang Guo , Min Zhang

Adopting Knowledge Graphs (KGs) as a structured, semantic-oriented, data representation model has significantly improved data integration, reasoning, and querying capabilities across different domains. This is especially true in modern…

Information Retrieval · Computer Science 2026-01-19 Marco Arazzi , Davide Ligari , Serena Nicolazzo , Antonino Nocera

Despite their competitive performance on knowledge-intensive tasks, large language models (LLMs) still have limitations in memorizing all world knowledge especially long tail knowledge. In this paper, we study the KG-augmented language…

Computation and Language · Computer Science 2023-09-22 Yike Wu , Nan Hu , Sheng Bi , Guilin Qi , Jie Ren , Anhuan Xie , Wei Song

Large Language Models (LLMs) have shown remarkable progress in medical question answering (QA), yet their effectiveness remains predominantly limited to English due to imbalanced multilingual training data and scarce medical resources for…

Question answering over knowledge graphs (KGQA) has evolved from simple single-fact questions to complex questions that require graph traversal and aggregation. We propose a novel approach for complex KGQA that uses unsupervised message…

Computation and Language · Computer Science 2019-08-20 Svitlana Vakulenko , Javier David Fernandez Garcia , Axel Polleres , Maarten de Rijke , Michael Cochez

Knowledge graph question answering (KGQA) based on information retrieval aims to answer a question by retrieving answer from a large-scale knowledge graph. Most existing methods first roughly retrieve the knowledge subgraphs (KSG) that may…

Computation and Language · Computer Science 2022-10-06 Hanning Gao , Lingfei Wu , Po Hu , Zhihua Wei , Fangli Xu , Bo Long

We present LinkQ, a system that leverages a large language model (LLM) to facilitate knowledge graph (KG) query construction through natural language question-answering. Traditional approaches often require detailed knowledge of a graph…

Computation and Language · Computer Science 2025-02-11 Harry Li , Gabriel Appleby , Ashley Suh

Large Language Models (LLMs) excel in many natural language processing tasks but often exhibit factual inconsistencies in knowledge-intensive settings. Integrating external knowledge resources, particularly knowledge graphs (KGs), provides…

Computation and Language · Computer Science 2026-02-17 Shuai Wang , Yinan Yu

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…

Computation and Language · Computer Science 2026-05-12 Shusaku Egami , Aoi Ohta , Tomoki Tsujimura , Masaki Asada , Tatsuya Ishigaki , Ken Fukuda , Masahiro Hamasaki , Hiroya Takamura
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