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Large language models excel in question-answering (QA) yet still struggle with multi-hop reasoning and temporal questions. Query-based knowledge graph QA (KGQA) offers a modular alternative by generating executable queries instead of direct…

Computation and Language · Computer Science 2025-07-17 Artem Alekseev , Mikhail Chaichuk , Miron Butko , Alexander Panchenko , Elena Tutubalina , Oleg Somov

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

Large language models (LLMs) have recently transformed both the academic and industrial landscapes due to their remarkable capacity to understand, analyze, and generate texts based on their vast knowledge and reasoning ability.…

Computation and Language · Computer Science 2024-09-23 Song Wang , Yaochen Zhu , Haochen Liu , Zaiyi Zheng , Chen Chen , Jundong Li

Despite the impressive performance of large language models (LLMs) pretrained on vast knowledge corpora, advancing their knowledge manipulation-the ability to effectively recall, reason, and transfer relevant knowledge-remains challenging.…

Computation and Language · Computer Science 2026-01-13 Qitan Lv , Tianyu Liu , Qiaosheng Zhang , Xingcheng Xu , Chaochao Lu

Large language models (LLMs) have exhibited remarkable performance on various natural language processing (NLP) tasks, especially for question answering. However, in the face of problems beyond the scope of knowledge, these LLMs tend to…

Computation and Language · Computer Science 2024-01-02 Chaojie Wang , Yishi Xu , Zhong Peng , Chenxi Zhang , Bo Chen , Xinrun Wang , Lei Feng , Bo An

The Knowledge Base Question Answering (KBQA) task aims to answer natural language questions based on a given knowledge base. Recently, Large Language Models (LLMs) have shown strong capabilities in language understanding and can be used to…

Computation and Language · Computer Science 2024-02-13 Yantao Liu , Zixuan Li , Xiaolong Jin , Yucan Guo , Long Bai , Saiping Guan , Jiafeng Guo , Xueqi Cheng

Large language models (LLMs) demonstrate superior reasoning capabilities compared to small language models (SLMs), but incur substantially higher costs. We propose COllaborative REAsoner (COREA), a system that cascades an SLM with an LLM to…

Computation and Language · Computer Science 2026-03-05 Chuang Zhang , Zizhen Zhu , Yihao Wei , Bing Tian , Junyi Liu , Henan Wang , Xavier Wang , Yaxiao Liu

Understanding complex biomolecular mechanisms requires multi-step reasoning across molecular interactions, signaling cascades, and metabolic pathways. While large language models(LLMs) show promise in such tasks, their application to…

Artificial Intelligence · Computer Science 2025-11-12 Tianwen Lyu , Xiang Zhuang , Keyan Ding , Xinzhe Cao , Lei Liang , Wei Zhao , Qiang Zhang , Huajun Chen

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

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…

Computation and Language · Computer Science 2025-10-16 Zhongze Luo , Weixuan Wan , Tianya Zhang , Dan Wang , Xiaoying Tang

A standard way to evaluate the abilities of LLM involves presenting a multiple-choice question and selecting the option with the highest logit as the model's predicted answer. However, such a format for evaluating LLMs has limitations,…

Efficient knowledge management plays a pivotal role in augmenting both the operational efficiency and the innovative capacity of businesses and organizations. By indexing knowledge through vectorization, a variety of knowledge retrieval…

Computation and Language · Computer Science 2024-04-23 Feihu Jiang , Chuan Qin , Kaichun Yao , Chuyu Fang , Fuzhen Zhuang , Hengshu Zhu , Hui Xiong

The development of large language models (LLMs) has been catalyzed by advancements in pre-training techniques. These models have demonstrated robust reasoning capabilities through manually designed prompts. In this work, we evaluate the…

Computation and Language · Computer Science 2024-11-18 Yuxuan Huang

Knowledge Base Question Answering (KBQA) aims to answer natural language questions using structured knowledge from KBs. While LLM-only approaches offer generalization, they suffer from outdated knowledge, hallucinations, and lack of…

Computation and Language · Computer Science 2025-11-18 Yihua Zhu , Qianying Liu , Akiko Aizawa , Hidetoshi Shimodaira

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

Question Answering (QA) over Knowledge Base (KB) aims to automatically answer natural language questions via well-structured relation information between entities stored in knowledge bases. In order to make KBQA more applicable in actual…

Computation and Language · Computer Science 2020-07-28 Bin Fu , Yunqi Qiu , Chengguang Tang , Yang Li , Haiyang Yu , Jian Sun

The problem of answering questions using knowledge from pre-trained language models (LMs) and knowledge graphs (KGs) presents two challenges: given a QA context (question and answer choice), methods need to (i) identify relevant knowledge…

Computation and Language · Computer Science 2022-12-14 Michihiro Yasunaga , Hongyu Ren , Antoine Bosselut , Percy Liang , Jure Leskovec

Large language models (LLMs) have achieved remarkable performance on knowledge graph question answering (KGQA) tasks by planning and interacting with knowledge graphs. However, existing methods often confuse tool utilization with knowledge…

Computation and Language · Computer Science 2025-03-10 Mufan Xu , Gewen Liang , Kehai Chen , Wei Wang , Xun Zhou , Muyun Yang , Tiejun Zhao , Min Zhang

In this paper, we aim to improve the reasoning ability of large language models (LLMs) over knowledge graphs (KGs) to answer complex questions. Inspired by existing methods that design the interaction strategy between LLMs and KG, we…

Computation and Language · Computer Science 2024-02-20 Jinhao Jiang , Kun Zhou , Wayne Xin Zhao , Yang Song , Chen Zhu , Hengshu Zhu , Ji-Rong Wen

Can language models (LM) ground question-answering (QA) tasks in the knowledge base via inherent relational reasoning ability? While previous models that use only LMs have seen some success on many QA tasks, more recent methods include…

Computation and Language · Computer Science 2023-06-07 Yujie Lu , Siqi Ouyang , Kairui Zhou