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Related papers: A Method for Multi-Hop Question Answering on Persi…

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Parameter-Preserving Knowledge Editing (PPKE) enables updating models with new information without retraining or parameter adjustment. Recent PPKE approaches used knowledge graphs (KG) to extend knowledge editing (KE) capabilities to…

Computation and Language · Computer Science 2026-01-07 Lingwen Deng , Yifei Han , Shijie Li , Yue Du , Bin Li

Multi-hop question generation (MQG) aims to generate complex questions which require reasoning over multiple pieces of information of the input passage. Most existing work on MQG has focused on exploring graph-based networks to equip the…

Computation and Language · Computer Science 2022-02-15 Dan Su , Peng Xu , Pascale Fung

Many models that leverage knowledge graphs (KGs) have recently demonstrated remarkable success in question answering (QA) tasks. In the real world, many facts contained in KGs are time-constrained thus temporal KGQA has received increasing…

Computation and Language · Computer Science 2024-02-21 Chao Xue , Di Liang , Pengfei Wang , Jing Zhang

While most of the knowledge bases already support the English language, there is only one knowledge base for the Persian language, known as FarsBase, which is automatically created via semi-structured web information. Unlike English…

Computation and Language · Computer Science 2020-05-06 Majid Asgari-Bidhendi , Behrooz Janfada , Behrouz Minaei-Bidgoli

Biomedical knowledge graphs (KG) are heterogenous networks consisting of biological entities as nodes and relations between them as edges. These entities and relations are extracted from millions of research papers and unified in a single…

Artificial Intelligence · Computer Science 2022-11-11 Dattaraj J. Rao , Shraddha S. Mane , Mukta A. Paliwal

Multi-hop Knowledge Graph Question Answering (KGQA) requires coherent reasoning across relational paths, yet existing methods often treat each reasoning step independently and fail to effectively leverage experience from prior explorations,…

Computation and Language · Computer Science 2026-04-14 Yingxu Wang , Jiaxin Huang , Mengzhu Wang , Nan Yin

Existing Scholarly Question Answering (QA) methods typically target homogeneous data sources, relying solely on either text or Knowledge Graphs (KGs). However, scholarly information often spans heterogeneous sources, necessitating the…

Computation and Language · Computer Science 2024-12-06 Tilahun Abedissa Taffa , Debayan Banerjee , Yaregal Assabie , Ricardo Usbeck

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…

Computation and Language · Computer Science 2022-09-08 Haowei Du , Quzhe Huang , Chen Zhang , Dongyan Zhao

Multi-hop question answering (MQA) under knowledge editing (KE) has garnered significant attention in the era of large language models. However, existing models for MQA under KE exhibit poor performance when dealing with questions…

Computation and Language · Computer Science 2024-04-02 Keyuan Cheng , Gang Lin , Haoyang Fei , Yuxuan zhai , Lu Yu , Muhammad Asif Ali , Lijie Hu , Di Wang

State-of-the-art approaches to reasoning and question answering over knowledge graphs (KGs) usually scale with the number of edges and can only be applied effectively on small instance-dependent subgraphs. In this paper, we address this…

Machine Learning · Computer Science 2021-10-28 Mattia Atzeni , Jasmina Bogojeska , Andreas Loukas

Multi-hop reasoning for question answering (QA) plays a critical role in retrieval-augmented generation (RAG) for modern large language models (LLMs). The accurate answer can be obtained through retrieving relational structure of entities…

Artificial Intelligence · Computer Science 2025-10-21 Changhao Wang , Yanfang Liu , Xinxin Fan , Anzhi Zhou , Lao Tian , Yunfeng 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

Recent advances in reading comprehension have resulted in models that surpass human performance when the answer is contained in a single, continuous passage of text. However, complex Question Answering (QA) typically requires multi-hop…

Artificial Intelligence · Computer Science 2019-10-02 Mokanarangan Thayaparan , Marco Valentino , Viktor Schlegel , Andre Freitas

In conversational question answering, users express their information needs through a series of utterances with incomplete context. Typical ConvQA methods rely on a single source (a knowledge base (KB), or a text corpus, or a set of…

Information Retrieval · Computer Science 2023-07-19 Philipp Christmann , Rishiraj Saha Roy , Gerhard Weikum

Large Language Models (LLMs) demonstrate strong reasoning capabilities but struggle with hallucinations and limited transparency. Recently, KG-enhanced LLMs that integrate knowledge graphs (KGs) have been shown to improve reasoning…

Artificial Intelligence · Computer Science 2025-12-10 Minbae Park , Hyemin Yang , Jeonghyun Kim , Kunsoo Park , Hyunjoon Kim

This paper presents a novel reranking method to better choose the optimal query graph, a sub-graph of knowledge graph, to retrieve the answer for an input question in Knowledge Base Question Answering (KBQA). Existing methods suffer from a…

Computation and Language · Computer Science 2022-04-28 Yonghui Jia , Wenliang Chen

Question answering (QA) over tables and text has gained much popularity over the years. Multi-hop table-text QA requires multiple hops between the table and text, making it a challenging QA task. Although several works have attempted to…

Computation and Language · Computer Science 2024-10-02 Jayetri Bardhan , Bushi Xiao , Daisy Zhe Wang

Knowledge graphs (KGs) have been widely used for question answering (QA) applications, especially the entity based QA. However, searching an-swers from an entire large-scale knowledge graph is very time-consuming and it is hard to meet the…

Artificial Intelligence · Computer Science 2021-07-30 Shuangyong Song

A multi-hop question answering (QA) dataset aims to test reasoning and inference skills by requiring a model to read multiple paragraphs to answer a given question. However, current datasets do not provide a complete explanation for the…

Computation and Language · Computer Science 2020-11-13 Xanh Ho , Anh-Khoa Duong Nguyen , Saku Sugawara , Akiko Aizawa

Large Language Models (LLMs) have excelled in multi-hop question-answering (M-QA) due to their advanced reasoning abilities. However, the impact of the inherent reasoning structures on LLM M-QA performance remains unclear, largely due to…

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