English
Related papers

Related papers: BioGraphletQA: Knowledge-Anchored Generation of Co…

200 papers

In this paper, we present KG20C and KG20C-QA, two curated datasets for advancing question answering (QA) research on scholarly data. KG20C is a high-quality scholarly knowledge graph constructed from the Microsoft Academic Graph through…

Information Retrieval · Computer Science 2026-01-01 Hung-Nghiep Tran , Atsuhiro Takasu

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

Commonsense question-answering (QA) methods combine the power of pre-trained Language Models (LM) with the reasoning provided by Knowledge Graphs (KG). A typical approach collects nodes relevant to the QA pair from a KG to form a Working…

Computation and Language · Computer Science 2023-05-17 Dhaval Taunk , Lakshya Khanna , Pavan Kandru , Vasudeva Varma , Charu Sharma , Makarand Tapaswi

Knowledge Graph Question Answering (KGQA) systems rely on high-quality benchmarks to evaluate complex multi-hop reasoning. However, despite their widespread use, popular datasets such as WebQSP and CWQ suffer from critical quality issues,…

Computation and Language · Computer Science 2025-11-05 Liangliang Zhang , Zhuorui Jiang , Hongliang Chi , Haoyang Chen , Mohammed Elkoumy , Fali Wang , Qiong Wu , Zhengyi Zhou , Shirui Pan , Suhang Wang , Yao Ma

Knowledge graph simple question answering (KGSQA), in its standard form, does not take into account that human-curated question answering training data only cover a small subset of the relations that exist in a Knowledge Graph (KG), or even…

Computation and Language · Computer Science 2020-05-26 Georgios Sidiropoulos , Nikos Voskarides , Evangelos Kanoulas

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

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

While multi-modal models have successfully integrated information from image, video, and audio modalities, integrating graph modality into large language models (LLMs) remains unexplored. This discrepancy largely stems from the inherent…

Computation and Language · Computer Science 2023-10-13 Yuanchun Shen , Ruotong Liao , Zhen Han , Yunpu Ma , Volker Tresp

Retrieval-Augmented Generation (RAG) is a cornerstone of modern question answering (QA) systems, enabling grounded answers based on external knowledge. Although recent progress has been driven by open-domain datasets, enterprise QA systems…

Artificial Intelligence · Computer Science 2025-05-14 Dvir Cohen , Lin Burg , Sviatoslav Pykhnivskyi , Hagit Gur , Stanislav Kovynov , Olga Atzmon , Gilad Barkan

Knowledge Graph Retrieval-Augmented Generation (KG-RAG) extends the RAG paradigm by incorporating structured knowledge from knowledge graphs, enabling Large Language Models (LLMs) to perform more precise and explainable reasoning. While…

Computation and Language · Computer Science 2026-02-04 Jing Ren , Bowen Li , Ziqi Xu , Xikun Zhang , Haytham Fayek , Xiaodong Li

In this paper, we focus on task-specific question answering (QA). To this end, we introduce a method for generating exhaustive and high-quality training data, which allows us to train compact (e.g., run on a mobile device), task-specific QA…

Computation and Language · Computer Science 2024-01-25 Hai X. Pham , Isma Hadji , Xinnuo Xu , Ziedune Degutyte , Jay Rainey , Evangelos Kazakos , Afsaneh Fazly , Georgios Tzimiropoulos , Brais Martinez

The rapidly growth of biomedical literature creates challenges acquiring specific medical information. Current biomedical question-answering systems primarily focus on short-form answers, failing to provide comprehensive explanations…

Computation and Language · Computer Science 2026-01-05 Lovely Yeswanth Panchumarthi , Sumalatha Saleti , Sai Prasad Gudari , Atharva Negi , Praveen Raj Budime , Harsit Upadhya

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

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…

Computation and Language · Computer Science 2026-02-09 Larissa Pusch , Alexandre Courtiol , Tim Conrad

In this work, we present an end-to-end Knowledge Graph Question Answering (KGQA) system named GETT-QA. GETT-QA uses T5, a popular text-to-text pre-trained language model. The model takes a question in natural language as input and produces…

Computation and Language · Computer Science 2023-03-29 Debayan Banerjee , Pranav Ajit Nair , Ricardo Usbeck , Chris Biemann

Natural language question answering (QA) over structured data sources such as tables and knowledge graphs have been widely investigated, especially with Large Language Models (LLMs) in recent years. The main solutions include question to…

Computation and Language · Computer Science 2024-12-16 Wen Zhang , Long Jin , Yushan Zhu , Jiaoyan Chen , Zhiwei Huang , Junjie Wang , Yin Hua , Lei Liang , Huajun Chen

We introduce PubMedQA, a novel biomedical question answering (QA) dataset collected from PubMed abstracts. The task of PubMedQA is to answer research questions with yes/no/maybe (e.g.: Do preoperative statins reduce atrial fibrillation…

Computation and Language · Computer Science 2019-09-16 Qiao Jin , Bhuwan Dhingra , Zhengping Liu , William W. Cohen , Xinghua Lu

With the development of deep learning techniques and large scale datasets, the question answering (QA) systems have been quickly improved, providing more accurate and satisfying answers. However, current QA systems either focus on the…

Computation and Language · Computer Science 2021-01-19 Bingning Wang , Ting Yao , Weipeng Chen , Jingfang Xu , Xiaochuan Wang

Retrieval of information from graph-structured knowledge bases represents a promising direction for improving the factuality of LLMs. While various solutions have been proposed, a comparison of methods is difficult due to the lack of…

Machine Learning · Computer Science 2025-12-05 Alberto Cattaneo , Carlo Luschi , Daniel Justus

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