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Related papers: Reasoning over Hybrid Chain for Table-and-Text Ope…

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Retrieval-augmented generation (RAG) has become a fundamental paradigm for addressing the challenges faced by large language models in handling real-time information and domain-specific problems. Traditional RAG systems primarily rely on…

Computation and Language · Computer Science 2025-09-11 YiHan Jiao , ZheHao Tan , Dan Yang , DuoLin Sun , Jie Feng , Yue Shen , Jian Wang , Peng Wei

The knowledge graph is a structure to store and represent knowledge, and recent studies have discussed its capability to assist language models for various applications. Some variations of knowledge graphs aim to record arguments and their…

Computation and Language · Computer Science 2023-12-05 Jingcong Liang , Rong Ye , Meng Han , Qi Zhang , Ruofei Lai , Xinyu Zhang , Zhao Cao , Xuanjing Huang , Zhongyu Wei

Retrieval-augmented generation (RAG) is a framework enabling large language models (LLMs) to enhance their accuracy and reduce hallucinations by integrating external knowledge bases. In this paper, we introduce a hybrid RAG system enhanced…

Computation and Language · Computer Science 2024-09-04 Ye Yuan , Chengwu Liu , Jingyang Yuan , Gongbo Sun , Siqi Li , Ming Zhang

Table-and-text hybrid question answering (HybridQA) is a widely used and challenging NLP task commonly applied in the financial and scientific domain. The early research focuses on migrating other QA task methods to HybridQA, while with…

Computation and Language · Computer Science 2023-02-03 Dingzirui Wang , Longxu Dou , Wanxiang Che

We present ReasonBert, a pre-training method that augments language models with the ability to reason over long-range relations and multiple, possibly hybrid contexts. Unlike existing pre-training methods that only harvest learning signals…

Computation and Language · Computer Science 2021-09-13 Xiang Deng , Yu Su , Alyssa Lees , You Wu , Cong Yu , Huan Sun

Retrieval-Augmented Generation (RAG) systems and large language model (LLM)-powered chatbots have significantly advanced conversational AI by combining generative capabilities with external knowledge retrieval. Despite their success,…

Artificial Intelligence · Computer Science 2025-06-26 Priyaranjan Pattnayak , Amit Agarwal , Hansa Meghwani , Hitesh Laxmichand Patel , Srikant Panda

We propose a novel, path-based reasoning approach for the multi-hop reading comprehension task where a system needs to combine facts from multiple passages to answer a question. Although inspired by multi-hop reasoning over knowledge…

Computation and Language · Computer Science 2019-07-10 Souvik Kundu , Tushar Khot , Ashish Sabharwal , Peter Clark

Large language models (LLMs) continue to struggle with knowledge-intensive questions that require up-to-date information and multi-hop reasoning. Augmenting LLMs with hybrid external knowledge, such as unstructured text and structured…

Machine Learning · Computer Science 2026-02-12 Junhong Lin , Bing Zhang , Song Wang , Ziyan Liu , Dan Gutfreund , Julian Shun , Yada Zhu

Recent advances in large language models (LLMs) have shown that Chain-of-Thought (CoT) reasoning can substantially improve performance on complex reasoning tasks. At the same time, In-Context Learning (ICL) has become an important mechanism…

Computation and Language · Computer Science 2026-05-19 Rui Chu

Fusion-in-decoder (Fid) (Izacard and Grave, 2020) is a generative question answering (QA) model that leverages passage retrieval with a pre-trained transformer and pushed the state of the art on single-hop QA. However, the complexity of…

Computation and Language · Computer Science 2022-05-20 Semih Yavuz , Kazuma Hashimoto , Yingbo Zhou , Nitish Shirish Keskar , Caiming Xiong

The current state-of-the-art generative models for open-domain question answering (ODQA) have focused on generating direct answers from unstructured textual information. However, a large amount of world's knowledge is stored in structured…

Computation and Language · Computer Science 2021-12-09 Alexander Hanbo Li , Patrick Ng , Peng Xu , Henghui Zhu , Zhiguo Wang , Bing Xiang

In this study, we introduced a new benchmark consisting of a curated dataset and a defined evaluation process to assess the compositional reasoning capabilities of large language models within the chemistry domain. We designed and validated…

Computation and Language · Computer Science 2025-08-07 Mohammad Khodadad , Ali Shiraee Kasmaee , Mahdi Astaraki , Nicholas Sherck , Hamidreza Mahyar , Soheila Samiee

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

Given that rich information is hidden behind ubiquitous numbers in text, numerical reasoning over text should be an essential skill of AI systems. To derive precise equations to solve numerical reasoning problems, previous work focused on…

Computation and Language · Computer Science 2022-11-30 Zhihong Shao , Fei Huang , Minlie Huang

This work deals with the challenge of learning and reasoning over multi-hop question answering (QA). We propose a graph reasoning network based on the semantic structure of the sentences to learn cross paragraph reasoning paths and find the…

Computation and Language · Computer Science 2020-11-19 Chen Zheng , Parisa Kordjamshidi

Regenerating natural language explanations in the scientific domain has been proposed as a benchmark to evaluate complex multi-hop and explainable inference. In this context, large language models can achieve state-of-the-art performance…

Computation and Language · Computer Science 2021-12-07 Marco Valentino , Mokanarangan Thayaparan , Deborah Ferreira , André Freitas

An important aspect of artificial intelligence (AI) is the ability to reason in a step-by-step "algorithmic" manner that can be inspected and verified for its correctness. This is especially important in the domain of question answering…

Artificial Intelligence · Computer Science 2021-11-08 Kwabena Nuamah

Retrieval-augmented generation (RAG) offers an effective approach for addressing question answering (QA) tasks. However, the imperfections of the retrievers in RAG models often result in the retrieval of irrelevant information, which could…

Computation and Language · Computer Science 2024-06-18 Jinyuan Fang , Zaiqiao Meng , Craig Macdonald

Document-level relation extraction requires integrating information within and across multiple sentences of a document and capturing complex interactions between inter-sentence entities. However, effective aggregation of relevant…

Computation and Language · Computer Science 2020-07-29 Guoshun Nan , Zhijiang Guo , Ivan Sekulić , Wei Lu

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