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Past works that investigate out-of-domain performance of QA systems have mainly focused on general domains (e.g. news domain, wikipedia domain), underestimating the importance of subdomains defined by the internal characteristics of QA…

计算与语言 · 计算机科学 2022-04-12 Chenyang Lyu , Jennifer Foster , Yvette Graham

There have been growing concerns regarding the out-of-domain generalization ability of natural language processing (NLP) models, particularly in question-answering (QA) tasks. Current synthesized data augmentation methods for QA are…

计算与语言 · 计算机科学 2023-05-19 Yingjie Niu , Linyi Yang , Ruihai Dong , Yue Zhang

Quantification is the machine learning task of estimating test-data class proportions that are not necessarily similar to those in training. Apart from its intrinsic value as an aggregate statistic, quantification output can also be used to…

机器学习 · 计算机科学 2016-06-06 Aykut Firat

Natural language question answering (QA) over structured data sources such as tables and knowledge graphs have been widely investigated, especially with Large Language Models (LLMs) in recent years. The main solutions include question to…

计算与语言 · 计算机科学 2024-12-16 Wen Zhang , Long Jin , Yushan Zhu , Jiaoyan Chen , Zhiwei Huang , Junjie Wang , Yin Hua , Lei Liang , Huajun Chen

Visual question answering (VQA) is a task that combines both the techniques of computer vision and natural language processing. It requires models to answer a text-based question according to the information contained in a visual. In recent…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Yeyun Zou , Qiyu Xie

Deep learning methods for Visual Place Recognition (VPR) have advanced significantly, largely driven by large-scale datasets. However, most existing approaches are trained on a single dataset, which can introduce dataset-specific inductive…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Jiuhong Xiao , Yang Zhou , Giuseppe Loianno

Question answering (QA) over tables and linked text, also called TextTableQA, has witnessed significant research in recent years, as tables are often found embedded in documents along with related text. HybridQA and OTT-QA are the two…

The advent and proliferation of large multi-modal models (LMMs) have introduced new paradigms to computer vision, transforming various tasks into a unified visual question answering framework. Video Quality Assessment (VQA), a classic field…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Ziheng Jia , Zicheng Zhang , Jiaying Qian , Haoning Wu , Wei Sun , Chunyi Li , Xiaohong Liu , Weisi Lin , Guangtao Zhai , Xiongkuo Min

Incorporating multiple knowledge sources is proven to be beneficial for answering complex factoid questions. To utilize multiple knowledge bases (KB), previous works merge all KBs into a single graph via entity alignment and reduce the…

计算与语言 · 计算机科学 2023-09-12 Minhao Zhang , Yongliang Ma , Yanzeng Li , Ruoyu Zhang , Lei Zou , Ming Zhou

Existing question answering (QA) systems owe much of their success to large, high-quality training data. Such annotation efforts are costly, and the difficulty compounds in the cross-lingual setting. Therefore, prior cross-lingual QA work…

计算与语言 · 计算机科学 2023-10-18 Bryan Li , Chris Callison-Burch

Question Answering (QA) is in increasing demand as the amount of information available online and the desire for quick access to this content grows. A common approach to QA has been to fine-tune a pretrained language model on a…

计算与语言 · 计算机科学 2020-04-27 Alexander R. Fabbri , Patrick Ng , Zhiguo Wang , Ramesh Nallapati , Bing Xiang

Over the last twenty years, significant progress has been made in designing and implementing Question Answering (QA) systems. However, addressing complex questions, the answers to which are spread across multiple documents, remains a…

计算与语言 · 计算机科学 2026-02-26 Sourav Saha , Dwaipayan Roy , Mandar Mitra

Question Answering (QA) is a growing area of research, often used to facilitate the extraction of information from within documents. State-of-the-art QA models are usually pre-trained on domain-general corpora like Wikipedia and thus tend…

计算与语言 · 计算机科学 2022-12-01 Matthew Maufe , James Ravenscroft , Rob Procter , Maria Liakata

Visual question answering (VQA) models are designed to demonstrate visual-textual reasoning capabilities. However, their real-world applicability is hindered by a lack of comprehensive benchmark datasets. Existing domain generalization…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Suraj Jyothi Unni , Raha Moraffah , Huan Liu

We show that the task of question answering (QA) can significantly benefit from the transfer learning of models trained on a different large, fine-grained QA dataset. We achieve the state of the art in two well-studied QA datasets, WikiQA…

计算与语言 · 计算机科学 2018-06-22 Sewon Min , Minjoon Seo , Hannaneh Hajishirzi

Multi-query attention (MQA), which only uses a single key-value head, drastically speeds up decoder inference. However, MQA can lead to quality degradation, and moreover it may not be desirable to train a separate model just for faster…

计算与语言 · 计算机科学 2023-12-27 Joshua Ainslie , James Lee-Thorp , Michiel de Jong , Yury Zemlyanskiy , Federico Lebrón , Sumit Sanghai

Image Quality Assessment (IQA) and Image Aesthetic Assessment (IAA) aim to simulate human subjective perception of image visual quality and aesthetic appeal. Despite distinct learning objectives, they have underlying interconnectedness due…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Hantao Zhou , Longxiang Tang , Rui Yang , Guanyi Qin , Yan Zhang , Yutao Li , Xiu Li , Runze Hu , Guangtao Zhai

To date, most of recent work under the retrieval-reader framework for open-domain QA focuses on either extractive or generative reader exclusively. In this paper, we study a hybrid approach for leveraging the strengths of both models. We…

计算与语言 · 计算机科学 2021-06-04 Hao Cheng , Yelong Shen , Xiaodong Liu , Pengcheng He , Weizhu Chen , Jianfeng Gao

Conformalized multiple testing offers a model-free way to control predictive uncertainty in decision-making. Existing methods typically use only part of the available data to build score functions tailored to specific settings. We propose a…

统计方法学 · 统计学 2026-05-22 Yuyang Huo , Xiaoyang Wu , Changliang Zou , Haojie Ren

The widely used Fact-based Visual Question Answering (FVQA) dataset contains visually-grounded questions that require information retrieval using common sense knowledge graphs to answer. It has been observed that the original dataset is…

计算与语言 · 计算机科学 2023-03-21 Weizhe Lin , Zhilin Wang , Bill Byrne