本文提出了一类具有多项式非线性的非线性系统的基于数据驱动的集基估计算法。使用系统的输入输出数据，所提出的方法实时计算，保证包含系统状态的集合。尽管假设系统是多项式类型，但不需要知道精确的多项式函数及其系数。为此，估算器依赖于离线和在线阶段。离线阶段利用过去的输入输出数据来估计多项式系统的一组可能的系数。然后，使用该估计的系数和关于系统的侧面信息，在线阶段提供了对状态的集合估计。最后，通过其对SIR（易感，受感染的）的流行病模型的应用来评估所提出的方法。

我们为具有有界过程和测量噪声的未知线性系统模型提供了一种强大的数据驱动控制方案。不取决于传统预测控制中的系统模型，提出了利用数据驱动的可达区域的控制器。数据驱动的可到达区域基于矩阵Zonotope递归，并且基于仅系统的轨迹的噪声输入输出数据来计算。我们假设测量和过程噪声包含在有界集中。虽然我们承担了这些界限的知识，但假设了关于噪声的统计特性的知识。在无噪声情况下，我们证明所呈现的纯粹数据驱动的控制方案导致等效的闭环行为到标称模型预测控制方案。在测量和过程噪声的情况下，我们提出的方案保证了强大的约束满足感，这在安全关键型应用中至关重要。数值实验表明了所提出的数据驱动控制器与基于模型的控制方案相比的有效性。

Convolutional neural networks (CNNs) are one of the most successful computer vision systems to solve object recognition. Furthermore, CNNs have major applications in understanding the nature of visual representations in the human brain. Yet it remains poorly understood how CNNs actually make their decisions, what the nature of their internal representations is, and how their recognition strategies differ from humans. Specifically, there is a major debate about the question of whether CNNs primarily rely on surface regularities of objects, or whether they are capable of exploiting the spatial arrangement of features, similar to humans. Here, we develop a novel feature-scrambling approach to explicitly test whether CNNs use the spatial arrangement of features (i.e. object parts) to classify objects. We combine this approach with a systematic manipulation of effective receptive field sizes of CNNs as well as minimal recognizable configurations (MIRCs) analysis. In contrast to much previous literature, we provide evidence that CNNs are in fact capable of using relatively long-range spatial relationships for object classification. Moreover, the extent to which CNNs use spatial relationships depends heavily on the dataset, e.g. texture vs. sketch. In fact, CNNs even use different strategies for different classes within heterogeneous datasets (ImageNet), suggesting CNNs have a continuous spectrum of classification strategies. Finally, we show that CNNs learn the spatial arrangement of features only up to an intermediate level of granularity, which suggests that intermediate rather than global shape features provide the optimal trade-off between sensitivity and specificity in object classification. These results provide novel insights into the nature of CNN representations and the extent to which they rely on the spatial arrangement of features for object classification.

Unavailability of parallel corpora for training text style transfer (TST) models is a very challenging yet common scenario. Also, TST models implicitly need to preserve the content while transforming a source sentence into the target style. To tackle these problems, an intermediate representation is often constructed that is devoid of style while still preserving the meaning of the source sentence. In this work, we study the usefulness of Abstract Meaning Representation (AMR) graph as the intermediate style agnostic representation. We posit that semantic notations like AMR are a natural choice for an intermediate representation. Hence, we propose T-STAR: a model comprising of two components, text-to-AMR encoder and a AMR-to-text decoder. We propose several modeling improvements to enhance the style agnosticity of the generated AMR. To the best of our knowledge, T-STAR is the first work that uses AMR as an intermediate representation for TST. With thorough experimental evaluation we show T-STAR significantly outperforms state of the art techniques by achieving on an average 15.2% higher content preservation with negligible loss (3% approx.) in style accuracy. Through detailed human evaluation with 90,000 ratings, we also show that T-STAR has up to 50% lesser hallucinations compared to state of the art TST models.

AMR parsing is the task that maps a sentence to an AMR semantic graph automatically. We focus on the breadth-first strategy of this task, which was proposed recently and achieved better performance than other strategies. However, current models under this strategy only \emph{encourage} the model to produce the AMR graph in breadth-first order, but \emph{cannot guarantee} this. To solve this problem, we propose a new architecture that \emph{guarantees} that the parsing will strictly follow the breadth-first order. In each parsing step, we introduce a \textbf{focused parent} vertex and use this vertex to guide the generation. With the help of this new architecture and some other improvements in the sentence and graph encoder, our model obtains better performance on both the AMR 1.0 and 2.0 dataset.

With the recently increasing capabilities of modern vehicles, novel approaches for interaction emerged that go beyond traditional touch-based and voice command approaches. Therefore, hand gestures, head pose, eye gaze, and speech have been extensively investigated in automotive applications for object selection and referencing. Despite these significant advances, existing approaches mostly employ a one-model-fits-all approach unsuitable for varying user behavior and individual differences. Moreover, current referencing approaches either consider these modalities separately or focus on a stationary situation, whereas the situation in a moving vehicle is highly dynamic and subject to safety-critical constraints. In this paper, I propose a research plan for a user-centered adaptive multimodal fusion approach for referencing external objects from a moving vehicle. The proposed plan aims to provide an open-source framework for user-centered adaptation and personalization using user observations and heuristics, multimodal fusion, clustering, transfer-of-learning for model adaptation, and continuous learning, moving towards trusted human-centered artificial intelligence.

在本文中，我们在CAMRP-2022评估中提供了对系统的详细说明。我们首先提出了一种两阶段的方法来进行中文AMR解析，并产生对齐，其中包括概念预测和关系预测阶段。我们的型号在CAMR 2.0测试集上获得了0.7756和0.7074对齐的F1分数，并单独使用CAMRP-2022的盲目测试集。我们还分析了结果和限制，例如误差传播和阶级失衡问题，我们在当前方法中得出结论。代码和训练有素的模型将在https://github.com/pkunlp-icler/two-stage-camrp上发布，用于复制。

意见摘要是创建摘要的任务，以获取用户评论中的流行意见。在本文中，我们介绍了Geodesic Summarizer（GeoSumm），这是一种新型系统，可执行无监督的提取意见摘要。 GeoSumm涉及基于编码器的表示模型，该模型将文本表示为潜在语义单元的分布。 GeoSumm通过在多个解码器层上对预训练的文本表示进行字典学习来生成这些表示。然后，我们使用这些表示形式使用新型的基于测量距离的评分机制来量化审查句子的相关性。我们使用相关得分来确定流行意见，以构成一般和特定方面的摘要。我们提出的模型GeoSumm在三个意见摘要数据集上实现了最先进的性能。我们执行其他实验来分析模型的功能，并展示跨不同域{\ x}的概括能力。

尽管深度神经网络（DNN）已成为多个无处不在的应用程序的骨干技术，但它们在资源受限的机器中的部署，例如物联网（IoT）设备，仍然具有挑战性。为了满足这种范式的资源要求，引入了与IoT协同作用的深入推断。但是，DNN网络的分布遭受严重的数据泄漏。已经提出了各种威胁，包括黑盒攻击，恶意参与者可以恢复送入其设备的任意输入。尽管许多对策旨在实现隐私的DNN，但其中大多数会导致额外的计算和较低的准确性。在本文中，我们提出了一种方法，该方法通过重新考虑分配策略而无需牺牲模型性能来针对协作深度推断的安全性。特别是，我们检查了使该模型容易受到黑盒威胁的不同DNN分区，并得出了应分配每个设备的数据量以隐藏原始输入的所有权。我们将这种方法制定为一种优化，在该方法中，我们在共同推导的延迟与数据级别的数据级别之间建立了权衡。接下来，为了放大最佳解决方案，我们将方法塑造为支持异质设备以及多个DNN/数据集的增强学习（RL）设计。

以安全为导向的研究思想和应用的开发需要精细的车辆轨迹数据，这些数据不仅具有很高的精度，而且还捕获了大量关键安全事件。本文介绍了Citysim数据集，该数据集的设计核心目的是促进基于安全的研究和应用。 Citysim的车辆轨迹从在12个不同位置录制的1140分钟的无人机视频中提取。它涵盖了各种道路几何形状，包括高速公路基本段，编织段，高速公路合并/偏离段，信号交叉点，停止对照的交叉点以及没有符号/信号控制的交叉点。通过五步操作生成CitySim轨迹，以确保轨迹精度。此外，数据集提供了车辆旋转的边界框信息，该信息被证明可以改善安全评估。与其他基于视频的轨迹数据集相比，CitySim数据集的严重性更高，包括切入，合并和分歧事件，其严重性更高。此外，CitySim通过提供相关资产（如记录位置的3D基本地图和信号时间）来促进对数字双胞胎应用的研究。这些功能为安全研究和应用程序提供了更全面的条件，例如自动驾驶汽车安全和基于位置的安全分析。该数据集可在https://github.com/ozheng1993/ucf-sst-citysim-dataset上在线获得。