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Phrase detection requires methods to identify if a phrase is relevant to an image and localize it, if applicable. A key challenge for training more discriminative detection models is sampling negatives. Sampling techniques from prior work…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Maan Qraitem , Bryan A. Plummer

Query by Example is a well-known information retrieval task in which a document is chosen by the user as the search query and the goal is to retrieve relevant documents from a large collection. However, a document often covers multiple…

信息检索 · 计算机科学 2021-11-09 Sheshera Mysore , Tim O'Gorman , Andrew McCallum , Hamed Zamani

During the last years, deep learning trackers achieved stimulating results while bringing interesting ideas to solve the tracking problem. This progress is mainly due to the use of learned deep features obtained by training deep…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Ahmed Zgaren , Wassim Bouachir , Riadh Ksantini

Direct answering of questions that involve multiple entities and relations is a challenge for text-based QA. This problem is most pronounced when answers can be found only by joining evidence from multiple documents. Curated knowledge…

信息检索 · 计算机科学 2020-12-01 Xiaolu Lu , Soumajit Pramanik , Rishiraj Saha Roy , Abdalghani Abujabal , Yafang Wang , Gerhard Weikum

In this paper, we propose a novel deep coherence model (DCM) using a convolutional neural network architecture to capture the text coherence. The text coherence problem is investigated with a new perspective of learning sentence…

计算与语言 · 计算机科学 2017-10-24 Baiyun Cui , Yingming Li , Yaqing Zhang , Zhongfei Zhang

The communication of scientific knowledge has become increasingly multimodal, spanning text, visuals, and speech through materials such as research papers, slides, and recorded presentations. These different representations collectively…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Megha Mariam K. M , Vineeth N. Balasubramanian , C. V. Jawahar

Reasoning over tabular data is a crucial capability for tasks like question answering and fact verification, as it requires models to comprehend both free-form questions and semi-structured tables. However, while methods like…

人工智能 · 计算机科学 2026-04-14 Qixian Huang , Hongqiang Lin , Tong Fu , Yingsen Wang , Zhenghui Fu , Qirui Wang , Yiding Sun , Dongxu Zhang

Multiple-Choice Question Answering (MCQA) is a challenging task in machine reading comprehension. The main challenge in MCQA is to extract "evidence" from the given context that supports the correct answer. In the OpenbookQA dataset, the…

计算与语言 · 计算机科学 2020-10-07 Sicheng Yu , Hao Zhang , Wei Jing , Jing Jiang

Deep learning methods are powerful tools but often suffer from expensive computation and limited flexibility. An alternative is to combine light-weight models with deep representations. As successful cases exist in several visual problems,…

计算机视觉与模式识别 · 计算机科学 2015-09-25 Bin Yang , Junjie Yan , Zhen Lei , Stan Z. Li

The Process Reward Model (PRM) plays a crucial role in mathematical reasoning tasks, requiring high-quality supervised process data. However, we observe that reasoning steps generated by Large Language Models (LLMs) often fail to exhibit…

人工智能 · 计算机科学 2025-08-25 Yulan Hu , Sheng Ouyang , Jinman Zhao , Yong Liu

Multi-hop Question Generation (QG) aims to generate answer-related questions by aggregating and reasoning over multiple scattered evidence from different paragraphs. It is a more challenging yet under-explored task compared to conventional…

计算与语言 · 计算机科学 2021-02-10 Dan Su , Yan Xu , Wenliang Dai , Ziwei Ji , Tiezheng Yu , Pascale Fung

Current document reasoning paradigms are constrained by a fundamental trade-off between scalability (processing long-context documents) and fidelity (capturing fine-grained, multimodal details). To bridge this gap, we propose CogDoc, a…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Qixin Xu , Haozhe Wang , Che Liu , Fangzhen Lin , Wenhu Chen

Large language models have demonstrated impressive performance on commonsense tasks; however, these tasks are often posed as multiple-choice questions, allowing models to exploit systematic biases. Commonsense is also inherently…

计算与语言 · 计算机科学 2024-06-07 Qi Cheng , Michael Boratko , Pranay Kumar Yelugam , Tim O'Gorman , Nalini Singh , Andrew McCallum , Xiang Lorraine Li

Model checking, a formal verification technique, ensures systems meet predefined requirements, playing a crucial role in minimizing errors and enhancing quality during development. This paper introduces a novel hybrid framework integrating…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Elhoucine Elfatimi , Lahcen El Fatimi , Hanifa Bouchaneb

Interpreting the predictions of existing Question Answering (QA) models is critical to many real-world intelligent applications, such as QA systems for healthcare, education, and finance. However, existing QA models lack interpretability…

计算与语言 · 计算机科学 2022-01-17 Yuyan Chen , Yanghua Xiao , Bang Liu

In recent years, convolutional neural networks (CNNs) took over the field of document analysis and they became the predominant model for word spotting. Especially attribute CNNs, which learn the mapping between a word image and an attribute…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Fabian Wolf , Philipp Oberdiek , Gernot A. Fink

Human tackle reading comprehension not only based on the given context itself but often rely on the commonsense beyond. To empower the machine with commonsense reasoning, in this paper, we propose a Commonsense Evidence Generation and…

人工智能 · 计算机科学 2020-05-12 Ye Liu , Tao Yang , Zeyu You , Wei Fan , Philip S. Yu

In recent years, deep learning has led to significant advances in bearing fault diagnosis (FD). Most techniques aim to achieve greater accuracy. However, they are sensitive to noise and lack robustness, resulting in insufficient domain…

人工智能 · 计算机科学 2024-05-31 Huanbai Liu , Fanlong Zhang , Yin Tan , Lian Huang , Yan Li , Guoheng Huang , Shenghong Luo , An Zeng

To assist humans in efficiently validating RAG-generated content, developing a fine-grained attribution mechanism that provides supporting evidence from retrieved documents for every answer span is essential. Existing fine-grained…

计算与语言 · 计算机科学 2024-12-17 Qiang Ding , Lvzhou Luo , Yixuan Cao , Ping Luo

Recent advances in reading comprehension have resulted in models that surpass human performance when the answer is contained in a single, continuous passage of text. However, complex Question Answering (QA) typically requires multi-hop…

人工智能 · 计算机科学 2019-10-02 Mokanarangan Thayaparan , Marco Valentino , Viktor Schlegel , Andre Freitas