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Semantic parsing is the process of translating natural language utterances into logical forms, which has many important applications such as question answering and instruction following. Sequence-to-sequence models have been very successful…

Computation and Language · Computer Science 2019-05-29 Amir Ziai

Multi-hop reading comprehension across multiple documents attracts much attention recently. In this paper, we propose a novel approach to tackle this multi-hop reading comprehension problem. Inspired by human reasoning processing, we…

Computation and Language · Computer Science 2020-06-15 Zeyun Tang , Yongliang Shen , Xinyin Ma , Wei Xu , Jiale Yu , Weiming Lu

The ability to perform multi-modal multi-hop reasoning by iteratively integrating information across various modalities and external knowledge is critical for addressing complex real-world challenges. However, existing Multi-modal Large…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Tao Zhang , Ziqi Zhang , Zongyang Ma , Yuxin Chen , Bing Li , Chunfeng Yuan , Guangting Wang , Fengyun Rao , Ying Shan , Weiming Hu

Repeated executions of reasoning tasks for varying inputs are necessary in many applicative settings, such as stream reasoning. In this context, we propose an incremental grounding approach for the answer set semantics. We focus on the…

Artificial Intelligence · Computer Science 2020-02-19 Francesco Calimeri , Giovambattista Ianni , Francesco Pacenza , Simona Perri , Jessica Zangari

Retrieval-augmented generation (RAG) methods encounter difficulties when addressing complex questions like multi-hop queries. While iterative retrieval methods improve performance by gathering additional information, current approaches…

Computation and Language · Computer Science 2024-09-27 Ziyuan Zhuang , Zhiyang Zhang , Sitao Cheng , Fangkai Yang , Jia Liu , Shujian Huang , Qingwei Lin , Saravan Rajmohan , Dongmei Zhang , Qi Zhang

This paper addresses the problem of generating questions from a given context and an answer, specifically focusing on questions that require multi-hop reasoning across an extended context. Previous studies have suggested that key phrase…

Computation and Language · Computer Science 2023-10-24 Zehua Xia , Qi Gou , Bowen Yu , Haiyang Yu , Fei Huang , Yongbin Li , Cam-Tu Nguyen

Question answering systems are the latest evolution in information retrieval technology, designed to accept complex queries in natural language and provide accurate answers using both unstructured and structured knowledge sources. Knowledge…

Information Retrieval · Computer Science 2025-01-29 Arash Ghafouri , Mahdi Firouzmandi , Hasan Naderi

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by incorporating external knowledge. Current hybrid RAG system retrieves evidence from both knowledge graphs (KGs) and text documents to support LLM reasoning.…

Computation and Language · Computer Science 2025-09-22 Xingyu Tan , Xiaoyang Wang , Qing Liu , Xiwei Xu , Xin Yuan , Liming Zhu , Wenjie Zhang

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…

Computation and Language · Computer Science 2022-08-29 Zhenyun Deng , Yonghua Zhu , Yang Chen , Michael Witbrock , Patricia Riddle

Multi-hop reading comprehension (RC) questions are challenging because they require reading and reasoning over multiple paragraphs. We argue that it can be difficult to construct large multi-hop RC datasets. For example, even highly…

Computation and Language · Computer Science 2019-06-10 Sewon Min , Eric Wallace , Sameer Singh , Matt Gardner , Hannaneh Hajishirzi , Luke Zettlemoyer

An important component of any generation system is the mapping dictionary, a lexicon of elementary semantic expressions and corresponding natural language realizations. Typically, labor-intensive knowledge-based methods are used to…

Computation and Language · Computer Science 2007-05-23 Regina Barzilay , Lillian Lee

Multi-hop Question Generation is the task of generating questions which require the reader to reason over and combine information spread across multiple passages using several reasoning steps. Chain-of-thought rationale generation has been…

Computation and Language · Computer Science 2022-11-17 Saurabh Kulshreshtha , Anna Rumshisky

Neural models, including large language models (LLMs), achieve superior performance on multi-hop question-answering. To elicit reasoning capabilities from LLMs, recent works propose using the chain-of-thought (CoT) mechanism to generate…

Computation and Language · Computer Science 2023-11-08 Ruosen Li , Xinya Du

Program synthesis is the process of generating a computer program following a set of specifications, which can be a high-level description of the problem and/or a set of input-output examples. The synthesis can be modeled as a search…

Neural and Evolutionary Computing · Computer Science 2023-04-07 Matheus Campos Fernandes , Fabrício Olivetti de França , Emilio Francesquini

Multi-hop question answering (QA) necessitates multi-step reasoning and retrieval across interconnected subjects, attributes, and relations. Existing retrieval-augmented generation (RAG) methods struggle to capture these structural…

Computation and Language · Computer Science 2026-02-19 Jimeng Shi , Wei Hu , Runchu Tian , Bowen Jin , Wonbin Kweon , SeongKu Kang , Yunfan Kang , Dingqi Ye , Sizhe Zhou , Shaowen Wang , Jiawei Han

Question answering requiring discrete reasoning, e.g., arithmetic computing, comparison, and counting, over knowledge is a challenging task. In this paper, we propose UniRPG, a semantic-parsing-based approach advanced in interpretability…

Computation and Language · Computer Science 2022-10-18 Yongwei Zhou , Junwei Bao , Chaoqun Duan , Youzheng Wu , Xiaodong He , Tiejun Zhao

Despite the significant progress of large language models (LLMs) in various tasks, they often produce factual errors due to their limited internal knowledge. Retrieval-Augmented Generation (RAG), which enhances LLMs with external knowledge…

Computation and Language · Computer Science 2024-10-10 Yuanjie Lyu , Zihan Niu , Zheyong Xie , Chao Zhang , Tong Xu , Yang Wang , Enhong Chen

Digital learning platforms enable students to learn on a flexible and individual schedule as well as providing instant feedback mechanisms. The field of STEM education requires students to solve numerous training exercises to grasp…

Computation and Language · Computer Science 2021-10-01 Stanley Uros Keller

This paper is concerned with the task of multi-hop open-domain Question Answering (QA). This task is particularly challenging since it requires the simultaneous performance of textual reasoning and efficient searching. We present a method…

Computation and Language · Computer Science 2019-06-18 Yair Feldman , Ran El-Yaniv

Building explainable systems is a critical problem in the field of Natural Language Processing (NLP), since most machine learning models provide no explanations for the predictions. Existing approaches for explainable machine learning…

Computation and Language · Computer Science 2019-06-12 Hui Liu , Qingyu Yin , William Yang Wang
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