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A Web Semantic-Based Text Analysis Approach for Enhancing Named Entity Recognition Using PU-Learning and Negative Sampling 基于网络语义的文本分析方法,利用 PU 学习和负采样增强命名实体识别能力
IF 3.2 4区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pub Date : 2023-12-29 DOI: 10.4018/ijswis.335113
Shunqin Zhang, Sanguo Zhang, Wenduo He, Xuan Zhang
The NER task is largely developed based on well-annotated data. However, in many scenarios, the entities may not be fully annotated, leading to serious performance degradation. To address this issue, the authors propose a robust NER approach that combines a novel PU-learning algorithm and negative sampling. Unlike many existing studies, the proposed method adopts a two-step procedure for handling unlabeled entities, thereby enhancing its capability to mitigate the impact of such entities. Moreover, this algorithm demonstrates high versatility and can be integrated into any token-level NER model with ease. The effectiveness of the proposed method is verified on several classic NER models and datasets, demonstrating its strong ability to handle unlabeled entities. Finally, the authors achieve competitive performances on synthetic and real-world datasets.
NER 任务在很大程度上是基于注释完备的数据开发的。然而,在很多情况下,实体可能没有得到充分注释,从而导致性能严重下降。为了解决这个问题,作者提出了一种结合了新型 PU 学习算法和负采样的稳健 NER 方法。与许多现有研究不同的是,所提出的方法采用了两步程序来处理未标记的实体,从而增强了其减轻此类实体影响的能力。此外,该算法还具有很强的通用性,可以轻松集成到任何标记级 NER 模型中。所提方法的有效性在多个经典 NER 模型和数据集上得到了验证,证明了其处理无标记实体的强大能力。最后,作者在合成数据集和实际数据集上取得了具有竞争力的性能。
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引用次数: 0
A Network Intrusion Detection Method for Information Systems Using Federated Learning and Improved Transformer 使用联合学习和改进变压器的信息系统网络入侵检测方法
IF 3.2 4区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pub Date : 2023-12-15 DOI: 10.4018/ijswis.334845
Qi Zhou, Zhoupu Wang
A network intrusion detection method for information systems using federated learning and improved transformer is proposed to address the problems of long detection time and low security and accuracy when analyzing massive data in most existing intrusion detection methods. Firstly, a network intrusion detection system is constructed based on a federated learning framework, and the transformer model is used as its universal detection model. Then, the dataset is divided and an improved generative adversarial network is used for data augmentation to generate a new sample set to overcome the influence of minority class samples. At the same time, the new samples are input into the transformer local model for network attack type detection and analysis. Finally, the authors aggregate the detection results of each local model and input them into the Softmax classifier to obtain the final classification prediction results.
针对现有大多数入侵检测方法在分析海量数据时存在的检测时间长、安全性和准确性低等问题,提出了一种利用联合学习和改进的变换器的信息系统网络入侵检测方法。首先,构建了基于联盟学习框架的网络入侵检测系统,并将变换器模型作为其通用检测模型。然后,对数据集进行划分,利用改进的生成对抗网络进行数据增强,生成新的样本集,以克服少数类样本的影响。同时,将新样本输入变换器局部模型,进行网络攻击类型检测和分析。最后,作者汇总了每个局部模型的检测结果,并将其输入 Softmax 分类器,得到最终的分类预测结果。
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引用次数: 0
Blockchain-Based Lightweight Authentication Mechanisms for Industrial Internet of Things and Information Systems 基于区块链的工业物联网和信息系统轻量级认证机制
IF 3.2 4区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pub Date : 2023-12-15 DOI: 10.4018/ijswis.334704
Mingrui Zhao, Chunjing Shi, Yixiao Yuan
The industrial internet of things (IIoT) necessitates robust cross-domain authentication to secure sensitive on-site equipment data. This paper presents a refined reputation-based lightweight consensus mechanism (LRBCM) tailored for IIoT's distributed network structures. Leveraging node reputation values, LRBCM streamlines ledger consensus, minimizing communication overhead and complexity. Comparative experiments show LRBCM outperforms competing mechanisms. It maintains higher throughput as the number of participating nodes increases and achieves a throughput approximately 10.78% higher than ReCon. Moreover, runtime analysis demonstrates LRBCM's scalability, surpassing ReCon by approximately 12.79% with equivalent nodes and transactions. In addition, as a combination of LRBCM, the proposed distributed lightweight authentication mechanism (ELAM) is rigorously evaluated against the security of various attacks, and its resilience is confirmed. Experiments show that ELAM has good efficiency while maintaining high security.
工业物联网(IIoT)需要强大的跨域身份验证,以确保敏感的现场设备数据安全。本文针对 IIoT 的分布式网络结构,提出了一种经过改进的基于信誉的轻量级共识机制(LRBCM)。利用节点信誉值,LRBCM 简化了分类账共识,最大限度地减少了通信开销和复杂性。对比实验表明,LRBCM 优于其他竞争机制。随着参与节点数量的增加,它能保持更高的吞吐量,吞吐量比 ReCon 高出约 10.78%。此外,运行时分析表明了 LRBCM 的可扩展性,在节点和事务数量相当的情况下,LRBCM 比 ReCon 高出约 12.79%。此外,作为 LRBCM 的一种组合,所提出的分布式轻量级认证机制(ELAM)针对各种攻击的安全性进行了严格评估,其弹性得到了证实。实验表明,ELAM 在保持高安全性的同时还具有良好的效率。
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引用次数: 0
Semantic Trajectory Planning for Industrial Robotics 工业机器人的语义轨迹规划
IF 3.2 4区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pub Date : 2023-12-07 DOI: 10.4018/ijswis.334556
Zhou Li, Gengming Xie, Varsha Arya, Kwok Tai Chui
The implementation of industrial robots across various sectors has ushered in unparalleled advancements in efficiency, productivity, and safety. This paper explores the domain of semantic trajectory planning in the area of industrial robotics. By adeptly merging physical constraints and semantic knowledge of environments, the proposed methodology enables robots to navigate complex surroundings with utmost precision and efficiency. In a landscape marked by dynamic challenges, the research positions semantic trajectory planning as a linchpin in fostering adaptability. It ensures robots interact safely with their surroundings, providing vital object detection and recognition capabilities. The proposed ResNet model exhibits remarkable classification performance, bolstering overall productivity. The study underscores the significance of this approach in addressing real-world industrial applications while emphasizing accuracy, precision, and enhanced productivity.
工业机器人在各个领域的应用在效率、生产率和安全性方面取得了无与伦比的进步。本文探讨了工业机器人领域的语义轨迹规划领域。通过巧妙地融合物理约束和环境的语义知识,所提出的方法使机器人能够以最大的精度和效率导航复杂的环境。在以动态挑战为特征的景观中,研究将语义轨迹规划定位为培养适应性的关键。它确保机器人与周围环境安全互动,提供重要的物体检测和识别能力。提出的ResNet模型表现出显著的分类性能,提高了整体生产率。该研究强调了这种方法在解决现实世界工业应用中的重要性,同时强调了准确性、精度和提高生产率。
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引用次数: 0
Digital Copyright Management Mechanism Based on Dynamic Encryption for Multiplatform Browsers 基于多平台浏览器动态加密的数字版权管理机制
IF 3.2 4区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pub Date : 2023-12-04 DOI: 10.4018/ijswis.334591
Ming-Te Chen, Yi Yang Chang, Ta Jen Wu
In recent years, the internet and smart devices have developed rapidly. Many people no longer rely on newspapers, magazines, or television to receive news. They can see the latest news using computers or mobile phones. According to a study by the Taiwan Internet Information Center, nearly 90% of Taiwanese people have used the internet. Many online streaming services have emerged, and people can easily watch movies and TV programs through computers or mobile phones. Hence, some websites use digital copyright management mechanisms to protect videos from being directly downloaded. However, 30% of websites use AES-128 encryption to protect their content. If the key access mechanism is not well protected, the encryption methodology may be useless. Therefore, this paper proposes a cross-platform digital copyright management mechanism for adaptive streaming. With this mechanism, users do not need to download additional applications, as the mechanism implements Web-Assembly language through the browser.
近年来,互联网和智能设备发展迅速。许多人不再依靠报纸、杂志或电视来获取新闻。他们可以用电脑或手机看到最新的新闻。根据台湾互联网信息中心的一项研究,近90%的台湾人使用过互联网。许多在线流媒体服务已经出现,人们可以很容易地通过电脑或手机观看电影和电视节目。因此,一些网站使用数字版权管理机制来保护视频不被直接下载。然而,30%的网站使用AES-128加密来保护他们的内容。如果密钥访问机制没有得到很好的保护,那么加密方法可能是无用的。为此,本文提出了一种跨平台的自适应流媒体数字版权管理机制。使用这种机制,用户不需要下载额外的应用程序,因为该机制通过浏览器实现了Web-Assembly语言。
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引用次数: 0
Redefining E-Commerce Experience 重新定义电子商务体验
IF 3.2 4区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pub Date : 2023-11-28 DOI: 10.4018/ijswis.334123
Mohammad Al Khaldy, Abdelraouf Ishtaiwi, Ahmad Al-qerem, A. Aldweesh, Mohammad Alauthman, Ammar Almomani, Varsha Arya
Integrating virtual reality (VR) and augmented reality (AR) technology into online stores enables more immersive and engaging shopping experiences, which is crucial for businesses to succeed in today's competitive e-commerce market. These technologies offer unique, personalized experiences that consider the preferences and requirements of each customer. This research aims to understand better the most recent developments in AR and VR technology, and how these technologies might be used in e-commerce. Multiple databases were used to conduct a thorough search, and the inclusion criteria focused on using AR and VR in e-commerce. A total of 55 papers were found and categorized based on the research methodologies and issues used. Based on the findings of the research paper, it can be concluded that integrating AR and VR technologies in e-commerce has significant potential to improve various aspects of the online shopping experience.
将虚拟现实(VR)和增强现实(AR)技术整合到在线商店中,可以实现更加身临其境和引人入胜的购物体验,这对企业在当今竞争激烈的电子商务市场中取得成功至关重要。这些技术考虑到每位顾客的偏好和要求,提供了独特的个性化体验。本研究旨在更好地了解 AR 和 VR 技术的最新发展,以及这些技术在电子商务中的应用。本研究使用了多个数据库进行全面搜索,纳入标准侧重于在电子商务中使用 AR 和 VR。共找到 55 篇论文,并根据所使用的研究方法和问题进行了分类。根据研究论文的结果,可以得出结论:在电子商务中整合 AR 和 VR 技术在改善在线购物体验的各个方面具有巨大潜力。
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引用次数: 0
Deep Learning-Based Sentiment and Stance Analysis of Tweets About Vaccination 基于深度学习的疫苗接种推文情感和立场分析
IF 3.2 4区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pub Date : 2023-11-21 DOI: 10.4018/ijswis.333865
D. Küçük, Nursal Arıcı
Sentiment analysis and stance detection are interrelated problems of affective computing, and their outputs commonly complement each other. The focus of this article is to determine sentiments and stances of Twitter users about vaccination. A tweet dataset on COVID-19 vaccination is compiled and jointly annotated with sentiment and stance. This deep learning approach employs BERT, which is a model based on pre-trained transformers. The generative deep learning model, ChatGPT, is also used for stance and sentiment analysis on the dataset. ChatGPT achieves the best performance for stance detection, while BERT is the best performer for sentiment analysis. This study is the first one to observe stance and sentiment detection performance of ChatGPT on health-related tweets. This article also includes a full-fledged system proposal based on automatic sentiment and stance analysis. COVID-19 pandemic is an impactful global public health phenomenon, and hence, joint extraction of sentiments and stances from health-related tweets can profoundly contribute to health-related decision-making processes.
情感分析和立场检测是情感计算中相互关联的问题,它们的输出结果通常相辅相成。本文的重点是确定 Twitter 用户对疫苗接种的情感和立场。本文汇编了一个关于 COVID-19 疫苗接种的推特数据集,并对其进行了情感和立场联合注释。这种深度学习方法采用了 BERT,这是一种基于预训练变换器的模型。生成式深度学习模型 ChatGPT 也用于对数据集进行立场和情感分析。ChatGPT 在立场检测方面表现最佳,而 BERT 在情感分析方面表现最佳。本研究首次观察了 ChatGPT 在健康相关推文中的立场和情感检测性能。本文还包括一个基于自动情感和立场分析的完整系统提案。COVID-19 大流行是一种具有影响力的全球公共卫生现象,因此,从与健康相关的推文中联合提取情感和立场可以为健康相关的决策过程做出深远的贡献。
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引用次数: 0
A Named Entity Recognition Approach for Electronic Medical Records Using BERT Semantic Enhancement and BiLSTM 使用 BERT 语义增强和 BiLSTM 的电子病历命名实体识别方法
IF 3.2 4区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pub Date : 2023-11-16 DOI: 10.4018/ijswis.333711
Xuewei Lai, Qingqing Jie
Aiming at the problems of missing local context features, single word vector representation, and low entity recognition accuracy, a method for e-medical recording with named entity recognition, which is based on BERT and model fusion, is proposed. First, with the model of BERT for pre-training, the preceding and following contextual information is fused for the enhancement of word semantic representation and alleviation of the problem of polysemy; second, the network of bi-directional long-short term memory is for obtaining the sequence feature matrix, generation of optimal sequence in global sense achieved through the conditional random field model; finally, data enhancement is used to alleviate the class imbalance and improve the model ability in generalization. Results of the experiments find model proposal measured by F1 on CCKS21 data set reaches 0.8548, which is 0.51% and 0.08% higher than models with ID-CNNs-CRF and multi-task RNN. This demonstrates the excellent performance of the method proposed in this paper in improving named entity recognition.
针对局部语境特征缺失、词向量表示单一、实体识别准确率低等问题,提出了一种基于 BERT 和模型融合的电子病历命名实体识别方法。首先,利用 BERT 模型进行预训练,融合前后语境信息,增强词的语义表示,缓解多义性问题;其次,利用双向长短期记忆网络获取序列特征矩阵,通过条件随机场模型生成全局意义上的最优序列;最后,利用数据增强缓解类不平衡问题,提高模型的泛化能力。实验结果发现,在 CCKS21 数据集上用 F1 度量的模型建议度达到了 0.8548,比 ID-CNNs-CRF 模型和多任务 RNN 模型分别高出 0.51% 和 0.08%。这表明本文提出的方法在提高命名实体识别率方面表现出色。
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引用次数: 0
Remote Sensing Image Semantic Segmentation Method Based on a Deep Convolutional Neural Network and Multiscale Feature Fusion 基于深度卷积神经网络和多尺度特征融合的遥感图像语义分割方法
IF 3.2 4区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pub Date : 2023-11-16 DOI: 10.4018/ijswis.333712
Guangzhen Zhang, Wangyang Jiang
There are many problems with remote sensing images, such as large data scales, complex illumination conditions, occlusion, and dense targets. The existing semantic segmentation methods for remote sensing images are not accurate enough for small and irregular target segmentation results, and the edge extraction results are poor. The authors propose a remote sensing image segmentation method based on a DCNN and multiscale feature fusion. Firstly, an end-to-end remote sensing image segmentation model using complete residual connection and multiscale feature fusion was designed based on a deep convolutional encoder–decoder network. Secondly, weighted high-level features were obtained using an attention mechanism, which better preserved the edges, texture, and other information of remote sensing images. The experimental results on ISPRS Potsdam and Urban Drone datasets show that compared with the comparison methods, this method has better segmentation effect on small and irregular objects and achieves the best segmentation performance while ensuring the computation speed.
遥感图像存在许多问题,如数据尺度大、光照条件复杂、遮挡和目标密集等。现有的遥感图像语义分割方法对于小目标和不规则目标的分割结果不够准确,边缘提取效果较差。作者提出了一种基于 DCNN 和多尺度特征融合的遥感图像分割方法。首先,基于深度卷积编码器-解码器网络,设计了一种使用完全残差连接和多尺度特征融合的端到端遥感图像分割模型。其次,利用注意力机制获得了加权高级特征,更好地保留了遥感图像的边缘、纹理等信息。在 ISPRS 波茨坦数据集和城市无人机数据集上的实验结果表明,与对比方法相比,该方法对小型和不规则物体的分割效果更好,在保证计算速度的前提下实现了最佳的分割性能。
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引用次数: 0
A Decentralized Architecture for Semantic Interoperability of Personal Dental Data Based on FHIR 基于FHIR的个人牙科数据语义互操作的分散体系结构
4区 计算机科学 Q2 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Pub Date : 2023-11-14 DOI: 10.4018/ijswis.333633
Hugo Lebredo, Daniel Fernández-Álvarez, Jose Emilio Labra-Gayo
Several problems arise due to the differences between dentistry and general medicine. The storage of dental data in information silos, the incompatibility of data between different dental clinics or institutions from other medical areas are the most significant ones. The authors propose a decentralized architecture that combines FHIR archetypes, shape expressions, and personal online datastores (PODs) to tackle those issues as follows: FHIR archetypes are used to express the data, shape expressions are used to handle data structure and data access requests, and PODs are used to store information in a decentralized and safe manner that let the owner of the information stored to handle data access. The system allows the patient to store dental information from heterogeneous data sources transparently and respecting the patient's right to autonomy and consent. In this paper, the authors develop this architecture proposal and discuss its relevance and feasibility in the area of dental health.
由于牙科和普通医学之间的差异,出现了一些问题。其中最显著的问题是牙科数据存储在信息孤岛中,不同牙科诊所或其他医疗领域机构之间的数据不兼容。作者提出了一种结合FHIR原型、形状表达式和个人在线数据存储(pod)的分散架构,以解决以下问题:FHIR原型用于表达数据,形状表达式用于处理数据结构和数据访问请求,pod用于以分散和安全的方式存储信息,使存储信息的所有者能够处理数据访问。该系统允许患者透明地存储来自异构数据源的牙科信息,并尊重患者的自主权和同意权。在本文中,作者提出了这一架构建议,并讨论了其在牙齿健康领域的相关性和可行性。
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引用次数: 0
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International Journal on Semantic Web and Information Systems
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