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Existing question answering datasets focus on dealing with homogeneous information, based either only on text or KB/Table information alone. However, as human knowledge is distributed over heterogeneous forms, using homogeneous information…

计算与语言 · 计算机科学 2021-05-13 Wenhu Chen , Hanwen Zha , Zhiyu Chen , Wenhan Xiong , Hong Wang , William Wang

Machine Reading Comprehension (MRC) holds a pivotal role in shaping Medical Question Answering Systems (QAS) and transforming the landscape of accessing and applying medical information. However, the inherent challenges in the medical…

计算与语言 · 计算机科学 2024-04-19 Jimenez Eladio , Hao Wu

We propose a novel open-domain question answering (ODQA) framework for answering single/multi-hop questions across heterogeneous knowledge sources. The key novelty of our method is the introduction of the intermediary modules into the…

计算与语言 · 计算机科学 2022-10-25 Kaixin Ma , Hao Cheng , Xiaodong Liu , Eric Nyberg , Jianfeng Gao

With social media becoming increasingly pop-ular on which lots of news and real-time eventsare reported, developing automated questionanswering systems is critical to the effective-ness of many applications that rely on real-time knowledge.…

计算与语言 · 计算机科学 2019-07-16 Wenhan Xiong , Jiawei Wu , Hong Wang , Vivek Kulkarni , Mo Yu , Shiyu Chang , Xiaoxiao Guo , William Yang Wang

While various end-to-end models for spoken language understanding tasks have been explored recently, this paper is probably the first known attempt to challenge the very difficult task of end-to-end spoken question answering (SQA). Learning…

计算与语言 · 计算机科学 2020-08-12 Yung-Sung Chuang , Chi-Liang Liu , Hung-Yi Lee , Lin-shan Lee

Question Answering (QA) systems are used to provide proper responses to users' questions automatically. Sentence matching is an essential task in the QA systems and is usually reformulated as a Paraphrase Identification (PI) problem. Given…

计算与语言 · 计算机科学 2019-11-19 Qiang Huang , Jianhui Bu , Weijian Xie , Shengwen Yang , Weijia Wu , Liping Liu

In today's fast-paced industry, professionals face the challenge of summarizing a large number of documents and extracting vital information from them on a daily basis. These metrics are frequently hidden away in tables and/or their nested…

计算与语言 · 计算机科学 2024-03-29 Che Guan , Mengyu Huang , Peng Zhang

We examine the capabilities of a unified, multi-task framework for three information extraction tasks: named entity recognition, relation extraction, and event extraction. Our framework (called DyGIE++) accomplishes all tasks by…

计算与语言 · 计算机科学 2019-09-11 David Wadden , Ulme Wennberg , Yi Luan , Hannaneh Hajishirzi

We propose a new CogQA framework for multi-hop question answering in web-scale documents. Inspired by the dual process theory in cognitive science, the framework gradually builds a \textit{cognitive graph} in an iterative process by…

计算与语言 · 计算机科学 2019-06-05 Ming Ding , Chang Zhou , Qibin Chen , Hongxia Yang , Jie Tang

In this paper, we propose a recent and under-researched paradigm for the task of event detection (ED) by casting it as a question-answering (QA) problem with the possibility of multiple answers and the support of entities. The extraction of…

计算与语言 · 计算机科学 2021-04-15 Emanuela Boros , Jose G. Moreno , Antoine Doucet

Answering questions asked from instructional corpora such as E-manuals, recipe books, etc., has been far less studied than open-domain factoid context-based question answering. This can be primarily attributed to the absence of standard…

计算与语言 · 计算机科学 2021-09-15 Abhilash Nandy , Soumya Sharma , Shubham Maddhashiya , Kapil Sachdeva , Pawan Goyal , Niloy Ganguly

Constructing a large-scale labeled dataset in the real world, especially for high-level tasks (eg, Visual Question Answering), can be expensive and time-consuming. In addition, with the ever-growing amounts of data and architecture…

计算机视觉与模式识别 · 计算机科学 2021-11-19 Dong-Jin Kim , Jae Won Cho , Jinsoo Choi , Yunjae Jung , In So Kweon

Community Question Answering (CQA) becomes increasingly prevalent in recent years. However, there are a large number of answers, which is difficult for users to select the relevant answers. Therefore, answer selection is a very significant…

计算与语言 · 计算机科学 2023-11-30 Xinghang Hu

Seeking answers to questions within long scientific research articles is a crucial area of study that aids readers in quickly addressing their inquiries. However, existing question-answering (QA) datasets based on scientific papers are…

计算与语言 · 计算机科学 2025-01-14 Shraman Pramanick , Rama Chellappa , Subhashini Venugopalan

Recent developments in modeling language and vision have been successfully applied to image question answering. It is both crucial and natural to extend this research direction to the video domain for video question answering (VideoQA).…

计算机视觉与模式识别 · 计算机科学 2019-06-07 Zhou Yu , Dejing Xu , Jun Yu , Ting Yu , Zhou Zhao , Yueting Zhuang , Dacheng Tao

Spoken question answering (SQA) is a challenging task that requires the machine to fully understand the complex spoken documents. Automatic speech recognition (ASR) plays a significant role in the development of QA systems. However, the…

计算与语言 · 计算机科学 2021-04-02 Chenyu You , Nuo Chen , Yuexian Zou

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 prevalence of large-scale multimodal datasets presents unique challenges in assessing dataset quality. We propose a two-step method to analyze multimodal datasets, which leverages a small seed of human annotation to map each multimodal…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Netta Madvil , Yonatan Bitton , Roy Schwartz

Multimodal systems have great potential to assist humans in procedural activities, where people follow instructions to achieve their goals. Despite diverse application scenarios, systems are typically evaluated on traditional classification…

Retrieval-augmented generation (RAG) has become a key paradigm for knowledge-intensive question answering. However, existing multi-hop RAG systems remain inefficient, as they alternate between retrieval and reasoning at each step, resulting…

计算与语言 · 计算机科学 2026-02-06 Hao Yang , Zhiyu Yang , Xupeng Zhang , Wei Wei , Yunjie Zhang , Lin Yang