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Yu, Fuyang (author), Wang, Zhen (author), Li, Dongyuan (author), Zhu, P. (author), Liang, Xiaohui (author), Wang, Xiaochuan (author), Okumura, Manabu (author)Cross-modal retrieval, as an important emerging foundational information retrieval task, benefits from recent advances in multimodal technologies. However, current cross-modal retrieval methods mainly focus on the interaction between textual information and 2D images, lacking research on 3D data, especially point clouds at scene level,...conference paper 2024
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Zhu, P. (author), Wang, Zhen (author), Okumura, Manabu (author), Yang, J. (author)Textbook question answering is challenging as it aims to automatically answer various questions on textbook lessons with long text and complex diagrams, requiring reasoning across modalities. In this work, we propose MRHF, a novel framework that incorporates dense passage re-ranking and the mixture-of-experts architecture for TQA. MRHF...conference paper 2024
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Zhu, P. (author), Câmara, Arthur (author), Roy, N. (author), Maxwell, D.M. (author), Hauff, C. (author)Actively engaging learners with learning materials has been shown to be very important in the Search as Learning (SAL) setting. One active reading strategy relies on asking so-called adjunct questions, i.e., manually curated questions geared towards essential concepts of the target material. However, manual question creation is impractical...conference paper 2024
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Zhu, C. (author), Klapwijk, R.M. (author)Encoding intangible data variables with visual, spatial, and physical properties demands a high level of spatial reasoning. The ability to reason spatially is widely deemed critical to science, technology, engineering, arts, and mathematics (STEAM) learning. While much research has explored the relationship between learning with...conference paper 2023
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Fasching, L.R. (author), Zhu, P. (author), Mulder, Atticus (author), Beltrao, Gabriel Spiller (author), Neeleman, Yannick (author), Rwei, A.Y. (author)Accurate and real-time monitoring of biomarker proteins, such as Tumor Necrosis Factor (TNF) alpha, plays a vital role in early disease diagnosis, effective treatment design, and personalized health management strategies. However, existing detection methods, including enzyme-linked immunosorbent assay (ELISA), radioimmune assays (RIA), and...conference paper 2023
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Zhu, G. (author), Dong, J. (author), Bauer, P. (author)It is ideal for the wireless power transfer (WPT) systems to operate at the resonance state for better transmission performance. In practice, however, the parameters of the resonant circuits often deviate because of the capacitance drift and coil misalignment. To this end, this paper proposes a new parameter estimation method for the WPT systems...conference paper 2023
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Clancy III, R.F. (author), Zhu, Qin (author), Streiner, Scott (author), Thorpe, Ryan (author)Ethics has long been recognized as crucial to responsible engineering, but the increasingly globalized environments present challenges to effective engineering ethics training. This paper is part of a larger research project that aims to examine the effects of culture and education on ethics training in undergraduate engineering students at...conference paper 2023
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Zhu, S. (author), Fioranelli, F. (author), Yarovoy, Alexander (author)The problem of 2D instantaneous ego-motion estimation for vehicles equipped with automotive radars is studied. To leverage multi-dimensional radar point clouds and exploit point features automatically, without human engineering, a novel approach is proposed that transforms ego-motion estimation into a weighted least squares (wLSQ) problem using...conference paper 2023
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Zhu, R. (author), Yang, M. (author), Yang, J. (author), Wang, Q. (author)Federated Learning (FL) is an important privacy-preserving learning paradigm that is expected to play an essential role in the future Intelligent Internet of Things (IoT). However, model training in FL is vulnerable to noise and the statistical heterogeneity of local data across IoT clients. In this paper, we propose FedNaWi, a “Go Narrow, Then...conference paper 2023
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Zhu, Songfeng (author), Li, Xueyuan (author), Qu, Xinyi (author), Liu, Qi (author), Li, Z. (author)This paper proposes a linear quadratic controller based on particle swarm algorithm for the rear wheel control of four-wheel steering vehicle. Particle swarm optimization with fitness functions is used to optimize the coefficients of the weight matrix offline. The fuzzy rules following the controller is used if the road condition is terrible....conference paper 2022
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Zhu, P. (author), Wang, Z. (author), Yang, J. (author), Hauff, C. (author), Anand, A. (author)Quality control is essential for creating extractive question answering (EQA) datasets via crowdsourcing. Aggregation across answers, i.e. word spans within passages annotated, by different crowd workers is one major focus for ensuring its quality. However, crowd workers cannot reach a consensus on a considerable portion of questions. We...conference paper 2022
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Zhu, P. (author), Hauff, C. (author)Question generation (QG) approaches based on large neural models require (i) large-scale and (ii) high-quality training data. These two requirements pose difficulties for specific application domains where training data is expensive and difficult to obtain. The trained QG models' effectiveness can degrade significantly when they are applied...conference paper 2022
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Xie, Jiahong (author), Cheng, Haibo (author), Zhu, Rong (author), Wang, Ping (author), Liang, K. (author)To date there are few researches on the semantic information of passwords, which leaves a gap preventing us from fully understanding the passwords characteristic and security. We propose a new password probability model for semantic information based on Markov Chain with both generalization and accuracy, called WordMarkov, that can capture the...conference paper 2022
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Gammon, A.R. (author), Zhu, Qin (author), Streiner, Scott (author), Clancy III, R.F. (author), Thorpe, Ryan (author)This full research paper develops a framework for using comparative case studies to triangulate with quantitative survey data in engineering ethics education research.Ethics has long been recognized as crucial to responsible engineering, but the increasingly globalized environments of contemporary engineering present challenges to effective...conference paper 2022
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Zhu, C. (author), Klapwijk, R.M. (author)Spatial thinking is embedded in science, technology, engineering, arts, and mathematics (STEAM) learning. Design and Technology education inherently encompasses a wide range of spatial activities, such as mentally transforming objects and materials to form representations of design ideas, visually communicating ideas, and creating 2D and 3D...conference paper 2022
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Gao, Hanyan (author), Zhang, Jing (author), Zhu, Yingcan (author), Guo, Ruiqian (author), Zhang, Wanlu (author), Zhang, Kouchi (author), Liu, Pan (author)With the trend of miniaturization and the increasing power density, the operating temperature of electronic devices keeps climbing, especially for wide band-gap semiconductors such as silicon carbide and gallium nitride. The high operating temperature up to 250℃ brings challenges to encapsulation materials since traditional encapsulation...conference paper 2022
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Zhu, Yujin (author), Zhao, Z. (author), Birke, Robert (author), Chen, Lydia Y. (author)Tabular data synthesis is an emerging approach to circumvent strict regulations on data privacy while discovering knowledge through big data. Although state-of-the-art AI-based tabular data synthesizers, e.g., table-GAN, CTGAN, TVAE, and CTAB-GAN, are effective at generating synthetic tabular data, their training is sensitive to column...conference paper 2022
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Porot, Laurent (author), Chailleux, Emmanuel (author), Apostolidis, P. (author), Zhu, Jiqing (author), Margaritis, Alexandros (author), Tsantilis, Lucia (author)The asphalt industry is constantly working to enhance the performances of asphalt materials, introducing innovative and more sustainable solutions. In this context, the incorporation of materials, such as additives, polymers, is more and more used to improve the properties of neat bitumen. This leads to even more complex bituminous binders,...conference paper 2021
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Zhu, B. (author), Hofstee, H.P. (author), Lee, Jinho (author), Al-Ars, Z. (author)Attention mechanism has been regarded as an advanced technique to capture long-range feature interactions and to boost the representation capability for convolutional neural networks. However, we found two ignored problems in current attentional activations-based models: the approximation problem and the insufficient capacity problem of the...conference paper 2021
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Zhu, H. (author), Chun, Jen Jen (author), Lawrance, Nicholas R.J. (author), Siegwart, Roland (author), Alonso-Mora, J. (author)This paper presents an online informative path planning approach for active information gathering on three-dimensional surfaces using aerial robots. Most existing works on surface inspection focus on planning a path offline that can provide full coverage of the surface, which inherently assumes the surface information is uniformly distributed...conference paper 2021