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Traditional object detection are ill-equipped for incremental learning. However, fine-tuning directly on a well-trained detection model with only new data will leads to catastrophic forgetting. Knowledge distillation is a straightforward…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Tao Feng , Mang Wang

Generative question answering (QA) models generate answers to questions either solely based on the parameters of the model (the closed-book setting) or additionally retrieving relevant evidence (the open-book setting). Generative QA models…

Computation and Language · Computer Science 2022-10-11 Zhengbao Jiang , Jun Araki , Haibo Ding , Graham Neubig

This study presents a question-based knowledge encoding approach that improves retrieval-augmented generation (RAG) systems without requiring fine-tuning or traditional chunking. We encode textual content using generated questions that span…

With the rise of large-scale language models (LLMs), it is currently popular and effective to convert multimodal information into text descriptions for multimodal multi-hop question answering. However, we argue that the current methods of…

Computation and Language · Computer Science 2024-12-11 Qing Zhang , Haocheng Lv , Jie Liu , Zhiyun Chen , Jianyong Duan , Hao Wang , Li He , Mingying Xv

Recent progress in retrieval-augmented generation (RAG) has led to more accurate and interpretable multi-hop question answering (QA). Yet, challenges persist in integrating iterative reasoning steps with external knowledge retrieval. To…

Computation and Language · Computer Science 2025-10-06 Tengjun Ni , Xin Yuan , Shenghong Li , Kai Wu , Ren Ping Liu , Wei Ni , Wenjie Zhang

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…

Computation and Language · Computer Science 2024-02-16 Hengrui Gu , Kaixiong Zhou , Xiaotian Han , Ninghao Liu , Ruobing Wang , Xin Wang

Evidence retrieval is a critical stage of question answering (QA), necessary not only to improve performance, but also to explain the decisions of the corresponding QA method. We introduce a simple, fast, and unsupervised iterative evidence…

Computation and Language · Computer Science 2020-05-05 Vikas Yadav , Steven Bethard , Mihai Surdeanu

Multi-hop textual question answering requires combining information from multiple sentences. We focus on a natural setting where, unlike typical reading comprehension, only partial information is provided with each question. The model must…

Computation and Language · Computer Science 2019-09-23 Tushar Khot , Ashish Sabharwal , Peter Clark

Despite substantial progress in multilingual extractive Question Answering (QA), models with high and uniformly distributed performance across languages remain challenging, especially for languages with limited resources. We study…

Computation and Language · Computer Science 2023-10-02 Casimiro Pio Carrino , Carlos Escolano , José A. R. Fonollosa

Transformer-based models have advanced the field of question answering, but multi-hop reasoning, where answers require combining evidence across multiple passages, remains difficult. This paper presents a comprehensive evaluation of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Zichen Zhang , Kunlong Zhang , Hongwei Ruan , Yiming Luo

Multi-hop knowledge based question answering (KBQA) is a complex task for natural language understanding. Many KBQA approaches have been proposed in recent years, and most of them are trained based on labeled reasoning path. This hinders…

Machine Learning · Computer Science 2020-05-25 Kechen Qin , Yu Wang , Cheng Li , Kalpa Gunaratna , Hongxia Jin , Virgil Pavlu , Javed A. Aslam

The success of deep learning models on multi-hop fact verification has prompted researchers to understand the behavior behind their veracity. One possible way is erasure search: obtaining the rationale by entirely removing a subset of input…

Computation and Language · Computer Science 2023-05-17 Jiasheng Si , Yingjie Zhu , Deyu Zhou

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 question answering faces substantial challenges due to data sparsity, which increases the likelihood of language models learning spurious patterns. To address this issue, prior research has focused on diversifying question…

Computation and Language · Computer Science 2026-04-14 Yangfan Wang , Jie Liu , Chen Tang , Lian Yan , Jingchi Jiang

There is no doubt that advanced artificial intelligence models and high quality data are the keys to success in developing computational pathology tools. Although the overall volume of pathology data keeps increasing, a lack of quality data…

Image and Video Processing · Electrical Eng. & Systems 2024-12-12 Trinh Thi Le Vuong , Jin Tae Kwak

Knowledge-intensive multi-hop question answering (QA) tasks, which require integrating evidence from multiple sources to address complex queries, often necessitate multiple rounds of retrieval and iterative generation by large language…

Computation and Language · Computer Science 2025-06-24 Binquan Ji , Haibo Luo , Yifei Lu , Lei Hei , Jiaqi Wang , Tingjing Liao , Lingyu Wang , Shichao Wang , Feiliang Ren

In multi-hop QA, answering complex questions entails iterative document retrieval for finding the missing entity of the question. The main steps of this process are sub-question detection, document retrieval for the sub-question, and…

Computation and Language · Computer Science 2021-06-21 Yeon Seonwoo , Sang-Woo Lee , Ji-Hoon Kim , Jung-Woo Ha , Alice Oh

Continual learning aims to rapidly and continually learn the current task from a sequence of tasks. Compared to other kinds of methods, the methods based on experience replay have shown great advantages to overcome catastrophic forgetting.…

Machine Learning · Computer Science 2022-09-14 Ya-nan Han , Jian-wei Liu

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 QA requires reasoning over multiple supporting facts to answer the question. However, the existing QA models always rely on shortcuts, e.g., providing the true answer by only one fact, rather than multi-hop reasoning, which is…

Artificial Intelligence · Computer Science 2022-10-14 Wangzhen Guo , Qinkang Gong , Hanjiang Lai