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Natural Language Semantic Representation Method Based on the Scene Framework 基于场景框架的自然语言语义表示方法
Ping Zhu
This paper constructs a standard semantic reference system with a large number of scene semantic representations, then interprets and understands the reference system with low-level semantics, that is, commonsense, and compares the semantic representations of the standard reference system with the input text, forming the premise and foundation of machine analogy thinking. This paper discusses the method of using the scene framework to construct standard semantic reference system, describes the dynamic process of semantic recognition by analogy with standard reference system, describes the application examples of machine thinking oriented semantic representation, finally, summarizes the paper and explains the application prospect of natural language semantic representation method based on the scene framework.
本文构建了具有大量场景语义表征的标准语义参照系,然后用低级语义即常识对参照系进行解释和理解,并将标准参照系的语义表征与输入文本进行比较,形成了机器类比思维的前提和基础。本文讨论了利用场景框架构建标准语义参照系的方法,通过与标准参照系的类比描述了语义识别的动态过程,描述了面向机器思维的语义表示的应用实例,最后对本文进行了总结,说明了基于场景框架的自然语言语义表示方法的应用前景。
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引用次数: 0
Sentiment Analysis Tool for Spanish Tweets in the Ecuadorian Context 情感分析工具的西班牙文推文在厄瓜多尔上下文
Ismael Utitiaj, Paulina Morillo, Diego Vallejo-Huanga
The huge amount of textual information that exists on social networks added by users through comments, has aroused a great interest in companies and research groups, which seek to use this information to identify trends and acceptance levels of brands, products, and services. A technique to know the level of acceptance or rejection of a particular topic, in an automated way, is the Sentiment Analysis. Some informatics tools incorporate this technique, however, there are few contributions to texts in Spanish. It is because of the difficulty of identifying different contexts, dialects, complex grammatical structures, and semantic language variances in each region. This article presents a web tool for the analysis of sentiments in texts written in Spanish that include Ecuadorian dialect or idioms. The tool was developed in R-Shiny with an approach lexicon-based. The tool allows the customization of the lexicons based on context and facilitates the automatic download of tweets according to search criteria such as the place, dates, and topic. To evaluate the effectiveness of the application, their result was compared with two commercial tools (Azure Text Analytics and IBM Watson NLU) and a manual score carried out by a group of people. The tests include the analysis of three corpora created from tweets. The results show the effectiveness of the tool to identify the sentiment polarity, especially in texts that include dialects, colloquial words, and negative expressions.
社交网络上用户通过评论添加的大量文本信息引起了公司和研究小组的极大兴趣,他们试图利用这些信息来识别品牌、产品和服务的趋势和接受程度。一种以自动方式了解接受或拒绝特定主题的程度的技术是情感分析。一些信息学工具结合了这种技术,然而,对西班牙语文本的贡献很少。这是因为在每个地区很难识别不同的语境、方言、复杂的语法结构和语义语言差异。这篇文章提出了一个网络工具的情绪分析文本写在西班牙语,包括厄瓜多尔方言或习语。该工具是在R-Shiny中使用基于词典的方法开发的。该工具允许根据上下文定制词典,并根据地点、日期和主题等搜索条件自动下载tweet。为了评估应用程序的有效性,他们的结果与两个商业工具(Azure文本分析和IBM Watson NLU)和一组人进行的手动评分进行了比较。测试包括对从推文创建的三个语料库的分析。结果表明,该工具在识别情感极性方面是有效的,特别是在包含方言、口语化单词和负面表达的文本中。
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引用次数: 1
Monitoring Early Warning Signs Evolution Through Time 监测早期预警信号随时间的演变
Manal El Akrouchi, H. Benbrahim, I. Kassou
In excessive business competition, detecting weak signals is very important to anticipate future changes and events. The process of detecting weak signals is very challenging, and many techniques were proposed to automatize this challenge but still needs the intervention of experts’ opinion. Understanding those detected signals and their evolution in time is crucial to reveal the alertness of possible future events and warnings. For this reason, this paper proposes a new algorithm to strengthen weak signals into early warning signs. The proposed algorithm aims to monitor and track weak signals’ evolution within time. The output will be a list of early warning signs and visualization to illustrate their evolution in time. Finally, to adequately understand the early warning signs obtained and enhance their semantic alertness, we used Word2Vec modeling to provide semantically similar words to these warning signs and improve their contextual alertness. We tested this algorithm on a web news dataset of 2006-2007 to detect early warning signs related to the 2008 financial crisis ahead of time. We obtained prominent results in strengthening and monitoring the evolution of early warning signs related to this crisis.
在激烈的商业竞争中,发现微弱的信号对于预测未来的变化和事件非常重要。微弱信号的检测是一个非常具有挑战性的过程,已经提出了许多技术来实现这一挑战,但仍然需要专家意见的干预。了解这些探测到的信号及其随时间的演变,对于揭示未来可能发生的事件和警告的警觉性至关重要。为此,本文提出了一种将弱信号强化为预警信号的新算法。该算法旨在监测和跟踪弱信号在时间内的演变。输出将是早期预警信号的列表和可视化,以说明它们在时间上的演变。最后,为了充分理解所获得的预警信号,增强其语义警觉性,我们使用Word2Vec建模,提供与这些预警信号语义相似的词语,提高其上下文警觉性。我们在2006-2007年的网络新闻数据集上测试了该算法,以提前发现与2008年金融危机相关的早期预警信号。我们在加强和监测与这场危机有关的早期预警信号的演变方面取得了显著成果。
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引用次数: 0
AEB Test Scene Extraction and Control Simulation based on Rain or Snow Weather 基于雨雪天气的AEB测试场景提取与控制仿真
Xinyue Yang, Haiyun Gan, Ying Yan
To provide an effective test environment for ADAS(Advanced Driver Assistance Systems)functions and enrich the AEB(Autonomous Emergency Brake) test scenarios library. This paper refers to the existing methods of AEB test scenarios extraction at home and abroad. 114 natural driving samples data were collected, and 60 representative cases of rain or snow weather were selected manually. The K-means cluster analysis is adopted to analyze and classify the sample data, and obtained three AEB test scenarios with typical characteristics based on rain or snow weather. Built VTD and Matlab/Simulink co-simulation platform, to carry out the simulation test of AEB system. VTD and Matlab/Simulink co-simulation test proves that the scene extract in this paper are feasible.
为ADAS(高级驾驶辅助系统)功能提供有效的测试环境,丰富AEB(自动紧急制动)测试场景库。本文参考了国内外已有的AEB测试场景提取方法。采集114个自然驾驶样本数据,人工选取60个雨雪天气代表性案例。采用K-means聚类分析对样本数据进行分析和分类,得到基于雨雪天气的三个具有典型特征的AEB测试场景。搭建VTD与Matlab/Simulink联合仿真平台,对AEB系统进行仿真测试。VTD和Matlab/Simulink联合仿真测试证明了本文场景提取的可行性。
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引用次数: 0
An anti-collision algorithm based on tag serial number extended grouping 基于标签序列号扩展分组的抗碰撞算法
Bowen Wang
RFID tag recognition technology is widely used in logistics and retail industry. In order to solve the problem of long time delay of information transmission in the process of multi tag recognition, a new anti-collision algorithm based on extended group of tag serial number is proposed after analyzing the key technologies of multi tag recognition, especially the advantages and disadvantages of tag anti-collision technology. The algorithm adds recursive grouping tag recognition method based on the Manchester code. This method changes the information interaction logic between the reader and the tag in the existing algorithm, makes great use of the advantages of the Manchester code, and makes use of the characteristics of the error code in the Manchester code to reverse the bit of the collision tag conflict, which effectively simplifies the communication between the reader and the writer to identify multiple tags. Delay[1]. Compared with the existing algorithms, this algorithm has a higher efficiency in the field of multi tag recognition technology. It can quickly identify multiple tags in a short time, effectively improve the capacity of the system, and ensure the stability and reliability of the tag recognition system.
RFID标签识别技术广泛应用于物流和零售行业。为了解决多标签识别过程中信息传输时延大的问题,在分析了多标签识别的关键技术,特别是标签防碰撞技术的优缺点后,提出了一种基于标签序列号扩展群的新型防碰撞算法。该算法增加了基于曼彻斯特码的递归分组标签识别方法。该方法改变了现有算法中读写器与标签之间的信息交互逻辑,充分利用了曼彻斯特码的优势,利用曼彻斯特码中错误码的特点,对碰撞标签冲突的位进行反转,有效简化了读写器之间的通信,实现了对多个标签的识别。延迟[1]。与现有算法相比,该算法在多标签识别技术领域具有更高的效率。它可以在短时间内快速识别多个标签,有效地提高了系统的容量,保证了标签识别系统的稳定性和可靠性。
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引用次数: 0
Siamese Multiplicative LSTM for Semantic Text Similarity 语义文本相似度的暹罗乘法LSTM
Chao Lv, Fupo Wang, Jianhui Wang, Lei Yao, Xinkai Du
Learning the Semantic Textual Similarity (STS) is a critical issue for many NLP tasks such as question answering, document summarization and etc.. In this paper, we combine the Multiplicative LSTM structure with a Siamese architecture which learn to project word embeddings of each sentence into a fixed-dimensional embedding space to represent this sentence. Then these sentence embeddings can be used to evaluate the STS task. We compare with several similar architectures and the proposed method has achieved better results and is competitive with the best state-of-the-art siamese neural network architecture.
语义文本相似度(STS)的学习是许多NLP任务(如问答、文档摘要等)的关键问题。在本文中,我们将乘法LSTM结构与Siamese结构相结合,学习将每个句子的词嵌入投影到固定维的嵌入空间中来表示该句子。然后这些句子嵌入可以用来评估STS任务。通过与几种类似结构的比较,该方法取得了较好的效果,与目前最先进的暹罗神经网络结构相媲美。
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引用次数: 1
Dynamical Alignment and Estimation for Horizontal Attitude of UAV Based on Vision and IMU. 基于视觉和IMU的无人机水平姿态动态对准与估计。
Xueyong Wu, Jie Li, Cheng Zhang, Yu Yang, Yachao Yang
Exact attitude estimation of an unmanned aerial vehicle (UAV) is the critical requirement for an autonomous and stable flight. Under dynamic conditions, the autopilot of a UAV cannot complete self-alignment and calculate its accurate attitude only by relying on an inertial measurement unit (IMU). This paper presents a dynamical alignment and estimation method for the horizontal attitude (the pitch and roll Euler angle) based on vision and inertial measurement units (IMU). Firstly, the horizontal attitude is estimated through image information of a visible light camera (hereinafter referred to as visual pose), and is used as the initial alignment input for IMU. Then the visual pose is corrected according to the normalized accelerometer output when UAV is stationary. Finally, Sage-Husa Adaptive Kalman Filter (SHAKF) is used for the fusion of the visual pose and the inertial attitude (the attitude calculated by the IMU). The simulation results show that the maximum estimation error of the UAV's horizontal attitude is within 3°, and the average estimation absolute error is less than 1°, which verifies the effectiveness of this method.
准确的姿态估计是无人机自主稳定飞行的关键要求。在动态条件下,无人机的自动驾驶仪仅依靠惯性测量单元(IMU)无法完成自对准并计算其精确姿态。提出了一种基于视觉和惯性测量单元(IMU)的水平姿态(俯仰和横滚欧拉角)动态对准和估计方法。首先,通过可见光相机的图像信息估计水平姿态(以下简称视觉姿态),并将其作为IMU的初始对准输入。然后根据无人机静止时归一化加速度计输出的视觉姿态进行校正。最后,采用Sage-Husa自适应卡尔曼滤波(SHAKF)对视觉姿态和惯性姿态(由IMU计算姿态)进行融合。仿真结果表明,无人机水平姿态的最大估计误差在3°以内,平均估计绝对误差小于1°,验证了该方法的有效性。
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引用次数: 1
An Intelligent Forecasting Method for Cigarette Equipment Maintenance Based on Fuzzy Mathematics Improved Analytic Hierarchy Process 基于模糊数学改进层次分析法的卷烟设备维修智能预测方法
Li-ming Zhu, Min Zhang, Qiang Zhang
Predictive maintenance uses improved Fuzzy Analytic Hierarchy Process (FAHP) model to calculate the weight of equipment failure and the comprehensive index information of equipment failure, to identify its deterioration trend, and to judge its trend, to calculate the comprehensive maintenance threshold, to generate maintenance decision information and to identify the equipment locations that need to be disposed of.
预测性维修采用改进的模糊层次分析法(FAHP)模型计算设备故障权重和设备故障综合指标信息,识别设备劣化趋势,判断其劣化趋势,计算综合维修阈值,生成维修决策信息,确定需要处理的设备位置。
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引用次数: 0
CLGNet: A New Network for Human Pose Estimation using Commodity Millimeter Wave Radar 基于商用毫米波雷达的人体姿态估计新网络
Qing Wang, Kai Wang, Wai Chen
This paper introduces a new network (CLGNet: Combined Local and Global information encoding Network) for human pose estimation based on commodity millimeter wave (mmWave) radar. Based on the benchmark model of ResNet, a global spatial information encoding module is introduced at the early stage of the network. This new module is expected to help learning the relationship between sparsely distributed human pose keypoints with internal relations. Our experimental results show that the addition of this structural module improves the prediction accuracy of human pose keypoints, especially on minor body parts, such as hands and feet.
本文介绍了一种基于商用毫米波雷达的人体姿态估计新网络(CLGNet: Combined Local and Global information encoding network)。在ResNet基准模型的基础上,在网络前期引入了全局空间信息编码模块。这个新模块有望帮助学习稀疏分布的人体姿势关键点与内部关系之间的关系。我们的实验结果表明,该结构模块的加入提高了人体姿势关键点的预测精度,特别是对身体的次要部位,如手和脚。
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引用次数: 2
Research on Survey Path Planning Based on mTSP Planning Model and Ant Algorithm 基于mTSP规划模型和蚁群算法的调查路径规划研究
Jia Li, Tianci Jiao, Yan Wang
TSP is one of the most famous problems in graph theory, and it is often used in the fields of urban infrastructure planning, logistics distribution, and transportation route arrangement. So far, no effective algorithm has been found to deal with this type of problem. Scholars believe that large-scale examples of this type of problem cannot be solved with an accurate algorithm, and an effective approximate algorithm for this type of problem must be sought. In order to gain a deeper understanding of the mTSP problem, this paper takes the national survey route planning as an actual case, and combines the improved circle algorithm and the Ant Algorithm to propose a specific solution. Based on the large amount of real data collected, the research route planning of the research team of Beijing M University traversing 30 ethnic minority autonomous prefectures and 120 ethnic minority autonomous counties was used as a calculation case, and various constraints were comprehensively considered to construct a cluster center based on 18 clusters. The TSP planning model with time constraints splits provinces based on clustering results, regenerates the split provinces and neighboring provinces into a new improvement circle for optimization, and finally obtains a survey time of at least 9.5 years, and integrates a specific survey route.
TSP问题是图论中最著名的问题之一,常用于城市基础设施规划、物流配送、运输路线安排等领域。到目前为止,还没有找到有效的算法来处理这类问题。学者们认为,这类问题的大规模实例无法用精确的算法求解,必须寻求一种有效的近似算法。为了对mTSP问题有更深入的了解,本文以全国调查路线规划为实际案例,结合改进的圆算法和蚁群算法提出了具体的解决方案。在收集大量真实数据的基础上,以北京M大学课题组穿越30个少数民族自治州和120个少数民族自治县的研究路线规划为计算案例,综合考虑各种约束条件,构建基于18个集群的集群中心。具有时间约束的TSP规划模型根据聚类结果对省份进行拆分,将拆分后的省份与相邻省份重新生成一个新的改进圈进行优化,最终得到至少9.5年的调查时间,并整合了具体的调查路线。
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引用次数: 0
期刊
Proceedings of the 2020 3rd International Conference on Algorithms, Computing and Artificial Intelligence
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