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This paper proposes a question-answering system that can answer questions whose supporting evidence is spread over multiple (potentially long) documents. The system, called Visconde, uses a three-step pipeline to perform the task:…

计算与语言 · 计算机科学 2022-12-20 Jayr Pereira , Robson Fidalgo , Roberto Lotufo , Rodrigo Nogueira

Non-extractive commonsense QA remains a challenging AI task, as it requires systems to reason about, synthesize, and gather disparate pieces of information, in order to generate responses to queries. Recent approaches on such tasks show…

计算与语言 · 计算机科学 2019-11-01 Kaixin Ma , Jonathan Francis , Quanyang Lu , Eric Nyberg , Alessandro Oltramari

This paper introduces a novel neural network model for question answering, the \emph{entity-based memory network}. It enhances neural networks' ability of representing and calculating information over a long period by keeping records of…

计算与语言 · 计算机科学 2024-02-23 Xun Wang , Katsuhito Sudoh , Masaaki Nagata , Tomohide Shibata , Daisuke Kawahara , Sadao Kurohashi

This work addresses an alternative approach for query expansion (QE) using a generative adversarial network (GAN) to enhance the effectiveness of information search in e-commerce. We propose a modified QE conditional GAN (mQE-CGAN)…

机器学习 · 计算机科学 2023-01-03 Altan Cakir , Mert Gurkan

Retrieval augmented Question Answering (QA) helps QA models overcome knowledge gaps by incorporating retrieved evidence, typically a set of passages, alongside the question at test time. Previous studies show that this approach improves QA…

计算与语言 · 计算机科学 2025-09-12 Laura Perez-Beltrachini , Mirella Lapata

In this paper, we propose a novel end-to-end trainable Video Question Answering (VideoQA) framework with three major components: 1) a new heterogeneous memory which can effectively learn global context information from appearance and motion…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Chenyou Fan , Xiaofan Zhang , Shu Zhang , Wensheng Wang , Chi Zhang , Heng Huang

Training large-scale question answering systems is complicated because training sources usually cover a small portion of the range of possible questions. This paper studies the impact of multitask and transfer learning for simple question…

机器学习 · 计算机科学 2015-06-09 Antoine Bordes , Nicolas Usunier , Sumit Chopra , Jason Weston

Visual Question Answering with Natural Language Explanation (VQA-NLE) task is challenging due to its high demand for reasoning-based inference. Recent VQA-NLE studies focus on enhancing model networks to amplify the model's reasoning…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Su Hyeon Lim , Minkuk Kim , Hyeon Bae Kim , Seong Tae Kim

Effective cross-lingual dense retrieval methods that rely on multilingual pre-trained language models (PLMs) need to be trained to encompass both the relevance matching task and the cross-language alignment task. However, cross-lingual data…

信息检索 · 计算机科学 2023-05-09 Shengyao Zhuang , Linjun Shou , Guido Zuccon

Tabular and textual question answering requires systems to perform reasoning over heterogeneous information, considering table structure, and the connections among table and text. In this paper, we propose a ChAin-centric Reasoning and…

计算与语言 · 计算机科学 2022-01-19 Wanjun Zhong , Junjie Huang , Qian Liu , Ming Zhou , Jiahai Wang , Jian Yin , Nan Duan

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

We present a system for answering questions based on the full text of books (BookQA), which first selects book passages given a question at hand, and then uses a memory network to reason and predict an answer. To improve generalization, we…

计算与语言 · 计算机科学 2019-10-03 Stefanos Angelidis , Lea Frermann , Diego Marcheggiani , Roi Blanco , Lluís Màrquez

We propose a video story question-answering (QA) architecture, Multimodal Dual Attention Memory (MDAM). The key idea is to use a dual attention mechanism with late fusion. MDAM uses self-attention to learn the latent concepts in scene…

计算机视觉与模式识别 · 计算机科学 2018-09-24 Kyung-Min Kim , Seong-Ho Choi , Jin-Hwa Kim , Byoung-Tak Zhang

A resistive memory network that has no crossover wiring is proposed to overcome the hardware limitations to size and functional complexity that is associated with conventional analogue neural networks. The proposed memory network is based…

人工智能 · 计算机科学 2012-01-31 Alex Pappachen James , Sima Dimitrijev

A quantum random access memory (qRAM) is considered an essential computing unit to enable polynomial speedups in quantum information processing. Proposed implementations include using neutral atoms and superconducting circuits to construct…

量子物理 · 物理学 2021-08-11 Kevin C. Chen , Wenhan Dai , Carlos Errando-Herranz , Seth Lloyd , Dirk Englund

Question answering systems usually use keyword searches to retrieve potential passages related to a question, and then extract the answer from passages with the machine reading comprehension methods. However, many questions tend to be…

计算与语言 · 计算机科学 2021-05-25 Wei Peng , Yue Hu , Jing Yu , Luxi Xing , Yuqiang Xie , Zihao Zhu , Yajing Sun

The widespread adoption of Large Language Models (LLMs) has exponentially increased the demand for efficient serving systems. With growing requests and context lengths, key-value (KV)-related operations, including attention computation and…

硬件体系结构 · 计算机科学 2026-02-13 Lian Liu , Shixin Zhao , Yutian Zhou , Yintao He , Mengdi Wang , Yinhe Han , Ying Wang

The rapid evolution of Large Language Model (LLM) agents has necessitated robust memory systems to support cohesive long-term interaction and complex reasoning. Benefiting from the strong capabilities of LLMs, recent research focus has…

人工智能 · 计算机科学 2026-04-16 Weiquan Huang , Zixuan Wang , Hehai Lin , Sudong Wang , Bo Xu , Qian Li , Beier Zhu , Linyi Yang , Chengwei Qin

Quantum Random Access Memory (QRAM) is a crucial architectural component for querying classical or quantum data in superposition, enabling algorithms with wide-ranging applications in quantum arithmetic, quantum chemistry, machine learning,…

量子物理 · 物理学 2025-03-04 Shifan Xu , Alvin Lu , Yongshan Ding

Despite extensive research on a wide range of question answering (QA) systems, most existing work focuses on answer containment-i.e., assuming that answers can be directly extracted and/or generated from documents in the corpus. However,…

计算与语言 · 计算机科学 2026-02-03 Jamshid Mozafari , Hamed Zamani , Guido Zuccon , Adam Jatowt