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Despite recent advances in large language models (LLMs), most QA benchmarks are still confined to single-paragraph or single-document settings, failing to capture the complexity of real-world information-seeking tasks. Practical QA often…

Computation and Language · Computer Science 2025-08-25 Jiwon Park , Seohyun Pyeon , Jinwoo Kim , Rina Carines Cabal , Yihao Ding , Soyeon Caren Han

This paper proposes a group deliberation oriented multi-agent conversational model to address the limitations of single large language models in complex reasoning tasks. The model adopts a three-level role division architecture consisting…

Artificial Intelligence · Computer Science 2026-01-01 Zheyu Shi , Dong Qiu , Shanlong Yu

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 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

Multi-hop question answering (QA) is widely used to evaluate the reasoning capabilities of large language models, yet most benchmarks focus on final answer correctness and overlook intermediate reasoning, especially in long multimodal…

Computation and Language · Computer Science 2026-03-10 Biao Xiang , Soyeon Caren Han , Yihao Ding

Multi-hop QA requires a model to connect multiple pieces of evidence scattered in a long context to answer the question. The recently proposed HotpotQA (Yang et al., 2018) dataset is comprised of questions embodying four different multi-hop…

Computation and Language · Computer Science 2019-11-01 Yichen Jiang , Mohit Bansal

Multi-hop question answering (QA) is a challenging task requiring QA systems to perform complex reasoning over multiple documents and provide supporting facts together with the exact answer. Existing works tend to utilize graph-based…

Computation and Language · Computer Science 2022-05-25 Xin-Yi Li , Wei-Jun Lei , Yu-Bin Yang

Multi-hop Question Answering (MHQA) adds layers of complexity to question answering, making it more challenging. When Language Models (LMs) are prompted with multiple search results, they are tasked not only with retrieving relevant…

Computation and Language · Computer Science 2025-05-20 Wenyu Huang , Pavlos Vougiouklis , Mirella Lapata , Jeff Z. Pan

Large language models (LLMs) have demonstrated impressive capabilities in various reasoning tasks but face significant challenges with complex, knowledge-intensive multi-hop queries, particularly those involving new or long-tail knowledge.…

Computation and Language · Computer Science 2025-08-25 Jie He , Nan Hu , Wanqiu Long , Jiaoyan Chen , Jeff Z. Pan

Multi-hop QA (MHQA) involves step-by-step reasoning to answer complex questions and find multiple relevant supporting facts. However, Existing large language models'(LLMs) reasoning ability in multi-hop question answering remains…

Computation and Language · Computer Science 2024-02-20 Jian Wu , Linyi Yang , Yuliang Ji , Wenhao Huang , Börje F. Karlsson , Manabu Okumura

Multi-hop question answering (QA) requires an information retrieval (IR) system that can find \emph{multiple} supporting evidence needed to answer the question, making the retrieval process very challenging. This paper introduces an IR…

Computation and Language · Computer Science 2019-09-18 Ameya Godbole , Dilip Kavarthapu , Rajarshi Das , Zhiyu Gong , Abhishek Singhal , Hamed Zamani , Mo Yu , Tian Gao , Xiaoxiao Guo , Manzil Zaheer , Andrew McCallum

Scaling Visual Question Answering (VQA) to the open-domain and multi-hop nature of web searches, requires fundamental advances in visual representation learning, knowledge aggregation, and language generation. In this work, we introduce…

Computation and Language · Computer Science 2022-03-29 Yingshan Chang , Mridu Narang , Hisami Suzuki , Guihong Cao , Jianfeng Gao , Yonatan Bisk

While Large Language Models (LLMs) have shown impressive capabilities in numerous Natural Language Processing (NLP) tasks, they still struggle with financial question answering (QA), particularly when numerical reasoning is required.…

Computation and Language · Computer Science 2024-10-30 Sorouralsadat Fatemi , Yuheng Hu

The real-world information sources are inherently multilingual, which naturally raises a question about whether language models can synthesize information across languages. In this paper, we introduce a simple two-hop question answering…

Computation and Language · Computer Science 2026-01-13 Yan Meng , Wafaa Mohammed , Christof Monz

Large Language Models (LLMs) employing Chain-of-Thought (CoT) prompting have broadened the scope for improving multi-step reasoning capabilities. We generally divide multi-step reasoning into two phases: path generation to generate the…

Computation and Language · Computer Science 2024-08-20 Shumin Deng , Ningyu Zhang , Nay Oo , Bryan Hooi

Modern systems for multi-hop question answering (QA) typically break questions into a sequence of reasoning steps, termed chain-of-thought (CoT), before arriving at a final answer. Often, multiple chains are sampled and aggregated through a…

Computation and Language · Computer Science 2024-08-05 Ori Yoran , Tomer Wolfson , Ben Bogin , Uri Katz , Daniel Deutch , Jonathan Berant

Large Language Models (LLMs) demonstrate strong performance but often lack interpretable reasoning. This paper introduces the Multi-Agent Collaboration Framework for Diverse Thinking Modes (DiMo), which enhances both performance and…

Computation and Language · Computer Science 2025-10-21 Zhixuan He , Yue Feng

Multi-hop reasoning (i.e., reasoning across two or more documents) is a key ingredient for NLP models that leverage large corpora to exhibit broad knowledge. To retrieve evidence passages, multi-hop models must contend with a fast-growing…

Computation and Language · Computer Science 2022-07-12 Omar Khattab , Christopher Potts , Matei Zaharia

In this paper, we introduce SWE-QA, a text and code corpus aimed at benchmarking multi-hop code comprehension, addressing the gap between simplified evaluation tasks and the complex reasoning required in real-world software development.…

Software Engineering · Computer Science 2026-04-29 Laïla Elkoussy , Julien Perez

As Large Language Models are increasingly deployed in high-stakes domains, their ability to detect false assumptions and reason critically is crucial for ensuring reliable outputs. False-premise questions (FPQs) serve as an important…

Computation and Language · Computer Science 2025-06-05 Mohammadamin Shafiei , Hamidreza Saffari , Nafise Sadat Moosavi