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In large language model-based agents, memory serves as a critical capability for achieving personalization by storing and utilizing users' information. Although some previous studies have adopted memory to implement user personalization,…

人工智能 · 计算机科学 2025-08-20 Zeyu Zhang , Yang Zhang , Haoran Tan , Rui Li , Xu Chen

In Textual question answering (TQA) systems, complex questions often require retrieving multiple textual fact chains with multiple reasoning steps. While existing benchmarks are limited to single-chain or single-hop retrieval scenarios. In…

计算与语言 · 计算机科学 2023-05-24 Minjun Zhu , Yixuan Weng , Shizhu He , Kang Liu , Jun Zhao

Multi-hop QA requires the machine to answer complex questions through finding multiple clues and reasoning, and provide explanatory evidence to demonstrate the machine reasoning process. We propose Relation Extractor-Reader and Comparator…

计算与语言 · 计算机科学 2021-10-27 Ruiliu Fu , Han Wang , Xuejun Zhang , Jun Zhou , Yonghong Yan

Large language models can use chain-of-thought (CoT) to externalize reasoning, potentially enabling oversight of capable LLM agents. Prior work has shown that models struggle at two-hop question-answering without CoT. This capability is so…

计算与语言 · 计算机科学 2025-11-25 Mikita Balesni , Tomek Korbak , Owain Evans

KBQA is a task that requires to answer questions by using semantic structured information in knowledge base. Previous work in this area has been restricted due to the lack of large semantic parsing dataset and the exponential growth of…

计算与语言 · 计算机科学 2022-01-28 Meihao Fan , Lei Zhang , Siyao Xiao , Yuru Liang

Multi-hop knowledge graph (KG) reasoning is an effective and explainable method for predicting the target entity via reasoning paths in query answering (QA) task. Most previous methods assume that every relation in KGs has enough training…

人工智能 · 计算机科学 2019-09-02 Xin Lv , Yuxian Gu , Xu Han , Lei Hou , Juanzi Li , Zhiyuan Liu

A key limitation in current datasets for multi-hop reasoning is that the required steps for answering the question are mentioned in it explicitly. In this work, we introduce StrategyQA, a question answering (QA) benchmark where the required…

计算与语言 · 计算机科学 2021-01-08 Mor Geva , Daniel Khashabi , Elad Segal , Tushar Khot , Dan Roth , Jonathan Berant

Vision-Language Models (VLMs) have demonstrated remarkable capabilities in interpreting visual layouts and text. However, a significant challenge remains in their ability to interpret robustly and reason over multi-tabular data presented as…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Anshul Singh , Chris Biemann , Jan Strich

Multi-hop Question Answering over Knowledge Graph~(KGQA) aims to find the answer entities that are multiple hops away from the topic entities mentioned in a natural language question on a large-scale Knowledge Graph (KG). To cope with the…

计算与语言 · 计算机科学 2023-03-02 Jinhao Jiang , Kun Zhou , Wayne Xin Zhao , Ji-Rong Wen

Hyperbolic representations are effective in modeling knowledge graph data which is prevalently used to facilitate multi-hop reasoning. However, a rigorous and detailed comparison of the two spaces for this task is lacking. In this paper,…

计算与语言 · 计算机科学 2025-07-08 Simon Welz , Lucie Flek , Akbar Karimi

The sheer volume of financial statements makes it difficult for humans to access and analyze a business's financials. Robust numerical reasoning likewise faces unique challenges in this domain. In this work, we focus on answering deep…

Automatic multi-hop fact verification task has gained significant attention in recent years. Despite impressive results, these well-designed models perform poorly on out-of-domain data. One possible solution is to augment the training data…

计算与语言 · 计算机科学 2023-10-24 Yingjie Zhu , Jiasheng Si , Yibo Zhao , Haiyang Zhu , Deyu Zhou , Yulan He

Multi-hop question answering (MHQA) enables accurate answers to complex queries by retrieving and reasoning over evidence dispersed across multiple documents. Existing MHQA approaches mainly rely on iterative retrieval-augmented generation,…

人工智能 · 计算机科学 2026-04-21 Wei Chen , Lili Zhao , Zhi Zheng , HuiJun Hou , Tong Xu

Multi-hop Knowledge Base Question Answering (KBQA) aims to find the answer entities that are multiple hops away in the Knowledge Base (KB) from the entities in the question. A major challenge is the lack of supervision signals at…

计算与语言 · 计算机科学 2021-04-08 Gaole He , Yunshi Lan , Jing Jiang , Wayne Xin Zhao , Ji-Rong Wen

Machine comprehension of texts longer than a single sentence often requires coreference resolution. However, most current reading comprehension benchmarks do not contain complex coreferential phenomena and hence fail to evaluate the ability…

计算与语言 · 计算机科学 2019-09-06 Pradeep Dasigi , Nelson F. Liu , Ana Marasović , Noah A. Smith , Matt Gardner

Effective multi-hop question answering (QA) requires reasoning over multiple scattered paragraphs and providing explanations for answers. Most existing approaches cannot provide an interpretable reasoning process to illustrate how these…

计算与语言 · 计算机科学 2022-08-29 Zhenyun Deng , Yonghua Zhu , Yang Chen , Michael Witbrock , Patricia Riddle

This study focuses on the problem of path modeling in heterogeneous information networks and proposes a multi-hop path-aware recommendation framework. The method centers on multi-hop paths composed of various types of entities and…

信息检索 · 计算机科学 2025-05-12 Hongye Zheng , Yue Xing , Lipeng Zhu , Xu Han , Junliang Du , Wanyu Cui

Multi-hop question answering (MQA) is one of the challenging tasks to evaluate machine's comprehension and reasoning abilities, where large language models (LLMs) have widely achieved the human-comparable performance. Due to the dynamics of…

计算与语言 · 计算机科学 2024-02-16 Hengrui Gu , Kaixiong Zhou , Xiaotian Han , Ninghao Liu , Ruobing Wang , Xin Wang

Question-answering datasets require a broad set of reasoning skills. We show how to use question decompositions to teach language models these broad reasoning skills in a robust fashion. Specifically, we use widely available QDMR…

计算与语言 · 计算机科学 2022-11-07 Harsh Trivedi , Niranjan Balasubramanian , Tushar Khot , Ashish Sabharwal

Event commonsense reasoning requires the ability to reason about the relationship between events, as well as infer implicit context underlying that relationship. However, data scarcity makes it challenging for language models to learn to…

计算与语言 · 计算机科学 2024-06-25 Tianqing Fang , Zeming Chen , Yangqiu Song , Antoine Bosselut