链接预测的任务旨在解决由于难以从现实世界中收集事实而引起的不完整知识的问题。基于GCN的模型由于其复杂性而广泛应用于解决链接预测问题，但基于GCN的模型在结构和培训过程中遇到了两个问题。 1）GCN层的转化方法在基于GCN的知识表示模型中变得越来越复杂； 2）由于知识图收集过程的不完整，标记为负样本中有许多未收集的真实事实。因此，本文研究了相邻节点的信息聚合系数（自我注意）的特征，并重新设计了GAT结构的自我注意力。同时，受到人类思维习惯的启发，我们在预训练的模型上设计了一种半监督的自训练方法。基准数据集FB15K-237和WN18RR上的实验结果表明，我们提出的自我发项机制和半监督的自我训练方法可以有效地提高链接预测任务的性能。例如，如果您查看FB15K-237，则建议的方法将@1的命中率提高了约30％。

工作记忆（WM）表示在脑海中存储的信息，是人类认知领域的一个基本研究主题。可以监测大脑的电活动的脑电图（EEG）已被广泛用于测量WM的水平。但是，关键的挑战之一是个体差异可能会导致无效的结果，尤其是当既定模型符合陌生主题时。在这项工作中，我们提出了一个具有空间注意力（CS-DASA）的跨主题深层适应模型，以概括跨科目的工作负载分类。首先，我们将EEG时间序列转换为包含空间，光谱和时间信息的多帧EEG图像。首先，CS-DASA中的主题共享模块从源和目标主题中接收多帧的EEG图像数据，并学习了共同的特征表示。然后，在特定于主题的模块中，实现了最大平均差异，以测量重现的内核希尔伯特空间中的域分布差异，这可以为域适应增加有效的罚款损失。此外，采用主题对象的空间注意机制专注于目标图像数据的判别空间特征。在包含13个受试者的公共WM EEG数据集上进行的实验表明，所提出的模型能够达到比现有最新方法更好的性能。

由于图神经网络（GNN）的成功和异质信息网络的广泛应用，近年来，异质图学习近年来引起了极大的关注。已经提出了各种异质图神经网络，以概括GNN来处理异质图。不幸的是，这些方法通过各种复杂的模块对异质性进行建模。本文旨在提出一个简单而有效的框架，以使均质GNN具有足够的处理异质图的能力。具体而言，我们提出了基于关系嵌入的图形神经网络（RE-GNNS），该图形仅使用一个参数来嵌入边缘类型关系和自动连接的重要性。为了同时优化这些关系嵌入和其他参数，提出了一个梯度缩放因子来约束嵌入以收敛到合适的值。此外，我们从理论上证明，与基于元路径的异质GNN相比，我们的RE-GNN具有更高的表现力。关于节点分类任务的广泛实验验证了我们提出的方法的有效性。

风能供应的可变性可能会给将风力发电纳入网格系统带来重大挑战。因此，风力预测（WPF）已被广泛认为是风能整合和操作中最关键的问题之一。在过去的几十年中，关于风能预测问题的研究爆炸了。然而，如何很好地处理WPF问题仍然具有挑战性，因为始终要求高预测准确性以确保电网稳定性和供应的安全性。我们提出了独特的空间动态风能预测数据集：SDWPF，其中包括风力涡轮机的空间分布以及动态上下文因素。鉴于，大多数现有数据集只有少量的风力涡轮机，而无需以细粒度的时间尺度了解风力涡轮机的位置和上下文信息。相比之下，SDWPF提供了半年多的风力涡轮机的风能数据，其相对位置和内部地位。我们使用此数据集启动BAIDU KDD杯2022来检查当前WPF解决方案的极限。该数据集在https://aistudio.baidu.com/aistudio/competition/detail/152/0/datasets上发布。

在本文中，我们为音乐驱动的舞蹈运动综合构成了一个新颖的框架，并具有可控的关键姿势约束。与仅基于音乐生成舞蹈运动序列的方法相反，该工作的目标是综合由音乐驱动的高质量舞蹈运动以及用户执行的定制姿势。我们的模型涉及两个用于音乐和运动表示形式的单模式变压器编码器，以及用于舞蹈动作生成的跨模式变压器解码器。跨模式变压器解码器可以通过引入局部邻居位置嵌入来使其合成平滑舞蹈运动序列合成平滑舞蹈运动序列的能力。这种机制使解码器对关键姿势和相应位置更加敏感。我们的舞蹈合成模型通过广泛的实验在定量和定性评估上取得了令人满意的表现，这证明了我们提出的方法的有效性。

尽管事实证明，视听表征适用于许多下游任务，但舞蹈视频的表示，这是更具体的，并且总是伴随着具有复杂听觉内容的音乐，但仍然具有挑战性且没有评估。考虑到舞者和音乐节奏的节奏运动之间的内在结合，我们介绍了Mudar，这是一个新颖的音乐舞蹈表示学习框架，以明确和隐性的方式执行音乐和舞蹈节奏的同步。具体而言，我们根据音乐节奏分析启发的视觉外观和运动提示得出舞蹈节奏。然后，视觉节奏在时间上与音乐对应物对齐，这些音乐由声音强度的幅度提取。同时，我们利用对比度学习在音频和视觉流中隐含的节奏的隐式连贯性。该模型通过预测视听对之间的时间一致性来学习关节嵌入。音乐舞蹈表示以及检测音频和视觉节奏的能力，可以进一步应用于三个下游任务：（a）舞蹈分类，（b）音乐舞蹈检索，以及（c）音乐舞蹈重新定位。广泛的实验表明，我们提出的框架以大幅度优于其他自我监督方法。

Deep learning models can achieve high accuracy when trained on large amounts of labeled data. However, real-world scenarios often involve several challenges: Training data may become available in installments, may originate from multiple different domains, and may not contain labels for training. Certain settings, for instance medical applications, often involve further restrictions that prohibit retention of previously seen data due to privacy regulations. In this work, to address such challenges, we study unsupervised segmentation in continual learning scenarios that involve domain shift. To that end, we introduce GarDA (Generative Appearance Replay for continual Domain Adaptation), a generative-replay based approach that can adapt a segmentation model sequentially to new domains with unlabeled data. In contrast to single-step unsupervised domain adaptation (UDA), continual adaptation to a sequence of domains enables leveraging and consolidation of information from multiple domains. Unlike previous approaches in incremental UDA, our method does not require access to previously seen data, making it applicable in many practical scenarios. We evaluate GarDA on two datasets with different organs and modalities, where it substantially outperforms existing techniques.

The development of social media user stance detection and bot detection methods rely heavily on large-scale and high-quality benchmarks. However, in addition to low annotation quality, existing benchmarks generally have incomplete user relationships, suppressing graph-based account detection research. To address these issues, we propose a Multi-Relational Graph-Based Twitter Account Detection Benchmark (MGTAB), the first standardized graph-based benchmark for account detection. To our knowledge, MGTAB was built based on the largest original data in the field, with over 1.55 million users and 130 million tweets. MGTAB contains 10,199 expert-annotated users and 7 types of relationships, ensuring high-quality annotation and diversified relations. In MGTAB, we extracted the 20 user property features with the greatest information gain and user tweet features as the user features. In addition, we performed a thorough evaluation of MGTAB and other public datasets. Our experiments found that graph-based approaches are generally more effective than feature-based approaches and perform better when introducing multiple relations. By analyzing experiment results, we identify effective approaches for account detection and provide potential future research directions in this field. Our benchmark and standardized evaluation procedures are freely available at: https://github.com/GraphDetec/MGTAB.

As one of the prevalent methods to achieve automation systems, Imitation Learning (IL) presents a promising performance in a wide range of domains. However, despite the considerable improvement in policy performance, the corresponding research on the explainability of IL models is still limited. Inspired by the recent approaches in explainable artificial intelligence methods, we proposed a model-agnostic explaining framework for IL models called R2RISE. R2RISE aims to explain the overall policy performance with respect to the frames in demonstrations. It iteratively retrains the black-box IL model from the randomized masked demonstrations and uses the conventional evaluation outcome environment returns as the coefficient to build an importance map. We also conducted experiments to investigate three major questions concerning frames' importance equality, the effectiveness of the importance map, and connections between importance maps from different IL models. The result shows that R2RISE successfully distinguishes important frames from the demonstrations.

Compressed videos often exhibit visually annoying artifacts, known as Perceivable Encoding Artifacts (PEAs), which dramatically degrade video visual quality. Subjective and objective measures capable of identifying and quantifying various types of PEAs are critical in improving visual quality. In this paper, we investigate the influence of four spatial PEAs (i.e. blurring, blocking, bleeding, and ringing) and two temporal PEAs (i.e. flickering and floating) on video quality. For spatial artifacts, we propose a visual saliency model with a low computational cost and higher consistency with human visual perception. In terms of temporal artifacts, self-attention based TimeSFormer is improved to detect temporal artifacts. Based on the six types of PEAs, a quality metric called Saliency-Aware Spatio-Temporal Artifacts Measurement (SSTAM) is proposed. Experimental results demonstrate that the proposed method outperforms state-of-the-art metrics. We believe that SSTAM will be beneficial for optimizing video coding techniques.