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Information extraction (IE) for visually-rich documents (VRDs) has achieved SOTA performance recently thanks to the adaptation of Transformer-based language models, which shows the great potential of pre-training methods. In this paper, we…

人工智能 · 计算机科学 2021-07-07 Tuan-Anh D. Nguyen , Hieu M. Vu , Nguyen Hong Son , Minh-Tien Nguyen

The conventional paradigm in neural question answering (QA) for narrative content is limited to a two-stage process: first, relevant text passages are retrieved and, subsequently, a neural network for machine comprehension extracts the…

计算与语言 · 计算机科学 2019-08-13 Bernhard Kratzwald , Anna Eigenmann , Stefan Feuerriegel

Attention is typically used to select informative sub-phrases that are used for prediction. This paper investigates the novel use of attention as a form of feature augmentation, i.e, casted attention. We propose Multi-Cast Attention…

计算与语言 · 计算机科学 2018-06-05 Yi Tay , Luu Anh Tuan , Siu Cheung Hui

Electronic health records (EHRs) hold significant value for research and applications. As a new way of information extraction, question answering (QA) can extract more flexible information than conventional methods and is more accessible to…

计算与语言 · 计算机科学 2024-02-20 Huaiyuan Ying , Sheng Yu

It is challenging for current one-step retrieve-and-read question answering (QA) systems to answer questions like "Which novel by the author of 'Armada' will be adapted as a feature film by Steven Spielberg?" because the question seldom…

计算与语言 · 计算机科学 2019-10-17 Peng Qi , Xiaowen Lin , Leo Mehr , Zijian Wang , Christopher D. Manning

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…

计算与语言 · 计算机科学 2025-10-06 Tengjun Ni , Xin Yuan , Shenghong Li , Kai Wu , Ren Ping Liu , Wei Ni , Wenjie Zhang

The reading comprehension task, that asks questions about a given evidence document, is a central problem in natural language understanding. Recent formulations of this task have typically focused on answer selection from a set of…

计算与语言 · 计算机科学 2017-03-21 Kenton Lee , Shimi Salant , Tom Kwiatkowski , Ankur Parikh , Dipanjan Das , Jonathan Berant

This paper considers the reading comprehension task in which multiple documents are given as input. Prior work has shown that a pipeline of retriever, reader, and reranker can improve the overall performance. However, the pipeline system is…

计算与语言 · 计算机科学 2019-06-12 Minghao Hu , Yuxing Peng , Zhen Huang , Dongsheng Li

Recent work on Event Extraction has reframed the task as Question Answering (QA), with promising results. The advantage of this approach is that it addresses the error propagation issue found in traditional token-based classification…

计算与语言 · 计算机科学 2023-07-13 Di Lu , Shihao Ran , Joel Tetreault , Alejandro Jaimes

Modern systems produce a large volume of logs to record run-time status and events. System operators use these raw logs to track a system in order to obtain some useful information to diagnose system anomalies. One of the most important…

网络与互联网体系结构 · 计算机科学 2023-03-22 Shaohan Huang , Yi Liu , Carol Fung , Jiaxing Qi , Hailong Yang , Zhongzhi Luan

Multi-entity question answering (MEQA) represents significant challenges for large language models (LLM) and retrieval-augmented generation (RAG) systems, which frequently struggle to consolidate scattered information across diverse…

计算与语言 · 计算机科学 2025-09-25 Teng Lin , Yuyu Luo , Honglin Zhang , Jicheng Zhang , Chunlin Liu , Kaishun Wu , Nan Tang

With the explosive growth of scientific publications, making the synthesis of scientific knowledge and fact checking becomes an increasingly complex task. In this paper, we propose a multi-task approach for verifying the scientific…

计算与语言 · 计算机科学 2022-05-02 Loïc Rakotoson , Charles Letaillieur , Sylvain Massip , Fréjus Laleye

Language agents have achieved considerable performance on various complex question-answering tasks by planning with external tools. Despite the incessant exploration in this field, existing language agent systems still struggle with costly,…

计算与语言 · 计算机科学 2024-05-28 Shuofei Qiao , Ningyu Zhang , Runnan Fang , Yujie Luo , Wangchunshu Zhou , Yuchen Eleanor Jiang , Chengfei Lv , Huajun Chen

In this paper, we present a novel approach to machine reading comprehension for the MS-MARCO dataset. Unlike the SQuAD dataset that aims to answer a question with exact text spans in a passage, the MS-MARCO dataset defines the task as…

计算与语言 · 计算机科学 2018-01-03 Chuanqi Tan , Furu Wei , Nan Yang , Bowen Du , Weifeng Lv , Ming Zhou

Scaling Visual Question Answering (VQA) to the open-domain and multi-hop nature of web searches, requires fundamental advances in visual representation learning, knowledge aggregation, and language generation. In this work, we introduce…

计算与语言 · 计算机科学 2022-03-29 Yingshan Chang , Mridu Narang , Hisami Suzuki , Guihong Cao , Jianfeng Gao , Yonatan Bisk

Information retrieval (IR) or knowledge retrieval, is a critical component for many down-stream tasks such as open-domain question answering (QA). It is also very challenging, as it requires succinctness, completeness, and correctness. In…

计算与语言 · 计算机科学 2023-08-10 Xiaodong Yu , Ben Zhou , Dan Roth

Commonsense question answering requires reasoning about everyday situations and causes and effects implicit in context. Typically, existing approaches first retrieve external evidence and then perform commonsense reasoning using these…

计算与语言 · 计算机科学 2022-10-05 Xunlin Zhan , Yuan Li , Xiao Dong , Xiaodan Liang , Zhiting Hu , Lawrence Carin

This study considers the task of machine reading at scale (MRS) wherein, given a question, a system first performs the information retrieval (IR) task of finding relevant passages in a knowledge source and then carries out the reading…

计算与语言 · 计算机科学 2018-09-03 Kyosuke Nishida , Itsumi Saito , Atsushi Otsuka , Hisako Asano , Junji Tomita

Popular QA benchmarks like SQuAD have driven progress on the task of identifying answer spans within a specific passage, with models now surpassing human performance. However, retrieving relevant answers from a huge corpus of documents is…

计算与语言 · 计算机科学 2020-02-13 Amin Ahmad , Noah Constant , Yinfei Yang , Daniel Cer

This paper introduces our proposed system for the MIA Shared Task on Cross-lingual Open-retrieval Question Answering (COQA). In this challenging scenario, given an input question the system has to gather evidence documents from a…