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A Modified Maximum Relevance Minimum Redundancy Feature Selection Method Based on Tabu Search For Parkinson’s Disease Mining 一种改进的基于禁忌搜索的帕金森病挖掘最大相关最小冗余特征选择方法
Pub Date : 2020-03-31 DOI: 10.5121/ijaia.2020.11201
Waheeda Almayyan
Parkinson’s disease is a complex chronic neurodegenerative disorder of the central nervous system. One of the common symptoms for the Parkinson’s disease subjects, is vocal performance degradation. Patients usually advised to follow personalized rehabilitative treatment sessions with speech experts. Recent research trends aim to investigate the potential of using sustained vowel phonations for replicating the speech experts’ assessments of Parkinson’s disease subjects’ voices. With the purpose of improving the accuracy and efficiency of Parkinson’s disease treatment, this article proposes a two-stage diagnosis model to evaluate an LSVT dataset. Firstly, we propose a modified minimum Redundancy-Maximum Relevance (mRMR) feature selection approach, based on Cuckoo Search and Tabu Search to reduce the features numbers. Secondly, we apply simple random sampling technique to dataset to increase the samples of the minority class. Promisingly, the developed approach obtained a classification Accuracy rate of 95% with 24 features by 10-fold CV method.
帕金森病是一种复杂的中枢神经系统慢性神经退行性疾病。帕金森氏症患者的常见症状之一是声乐表现下降。通常建议患者遵循语音专家的个性化康复治疗课程。最近的研究趋势旨在调查使用持续元音发音来复制语音专家对帕金森病受试者声音的评估的潜力。为了提高帕金森病治疗的准确性和效率,本文提出了一个两阶段诊断模型来评估LSVT数据集。首先,我们提出了一种改进的最小冗余最大相关(mRMR)特征选择方法,该方法基于杜鹃搜索和禁忌搜索来减少特征数量。其次,我们将简单的随机抽样技术应用于数据集,以增加少数类的样本。令人鼓舞的是,所开发的方法通过10倍CV方法获得了24个特征的95%的分类准确率。
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引用次数: 4
Using Semi-supervised Classifier to Forecast Extreme CPU Utilization 使用半监督分类器预测极端CPU利用率
Pub Date : 2020-01-31 DOI: 10.5121/ijaia.2020.11104
N. Khosla, D. Sharma
A semi-supervised classifier is used in this paper is to investigate a model for forecasting unpredictable load on the IT systems and to predict extreme CPU utilization in a complex enterprise environment with large number of applications running concurrently. This proposed model forecasts the likelihood of a scenario where extreme load of web traffic impacts the IT systems and this model predicts the CPU utilization under extreme stress conditions. The enterprise IT environment consists of a large number of applications running in a real time system. Load features are extracted while analysing an envelope of the patterns of work-load traffic which are hidden in the transactional data of these applications. This method simulates and generates synthetic workload demand patterns, run use-case high priority scenarios in a test environment and use our model to predict the excessive CPU utilization under peak load conditions for validation. Expectation Maximization classifier with forced-learning, attempts to extract and analyse the parameters that can maximize the chances of the model after subsiding the unknown labels. As a result of this model, likelihood of an excessive CPU utilization can be predicted in short duration as compared to few days in a complex enterprise environment. Workload demand prediction and profiling has enormous potential in optimizing usages of IT resources with minimal risk.
本文使用了一个半监督分类器来研究一个模型,该模型用于预测IT系统上不可预测的负载,并预测在大量应用程序同时运行的复杂企业环境中CPU的极端利用率。所提出的模型预测了网络流量的极端负载影响IT系统的情况的可能性,并且该模型预测了极端压力条件下的CPU利用率。企业IT环境由在实时系统中运行的大量应用程序组成。负载特征是在分析隐藏在这些应用程序的事务数据中的工作负载流量模式的包络时提取的。该方法模拟并生成合成的工作负载需求模式,在测试环境中运行用例高优先级场景,并使用我们的模型预测峰值负载条件下的过度CPU利用率以进行验证。具有强制学习的期望最大化分类器,试图提取和分析在沉降未知标签后能够最大化模型机会的参数。该模型的结果是,与复杂企业环境中的几天相比,可以在短时间内预测CPU过度使用的可能性。工作负载需求预测和分析在以最小风险优化IT资源使用方面具有巨大潜力。
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引用次数: 1
Hybrid ANT Colony Algorithm for the Multi-depot Periodic Open Capacitated Arc Routing Problem 多仓库周期开放电容电弧路由问题的混合蚁群算法
Pub Date : 2020-01-30 DOI: 10.5121/ijaia.2020.11105
B. Kanso
In this paper we present a hybrid technique that applies an ant colony optimization algorithm followed by simulated annealing local search approach to solving the Multi-Depot Periodic Open Capacitated Arc Routing Problem (MDPOCARP). This problem is a new variant of OCARP that has never been studied in the literature and consists of determining optimal routes in each period where each route starts from a given depot, visits a list of required edges and finishes by the last one. The final edge of the route is not required to be a depot. We developed a constructive heuristic, called Nearest Insertion Heuristic (NIH) to build an initial solution. The proposed algorithm is evaluated on three different benchmarks sets and numerical results show that the proposed approach achieves highly efficient results.
在本文中,我们提出了一种混合技术,该技术应用蚁群优化算法和模拟退火局部搜索方法来解决多仓库周期性开放电容电弧路由问题(MDPOCARP)。这个问题是OCARP的一个新变体,文献中从未对其进行过研究,它包括确定每个时期的最佳路线,每条路线从给定的停车场开始,访问所需的边缘列表,并在最后一个停车场完成。路线的最后边缘不需要是停车场。我们开发了一种构造性启发式,称为最近插入启发式(NIH),以构建初始解决方案。在三个不同的基准集上对所提出的算法进行了评估,数值结果表明,所提出的方法取得了高效的结果。
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引用次数: 6
Construction of Amharic-arabic Parallel Text Corpus for Neural Machine Translation 神经机器翻译用阿姆哈拉语-阿拉伯语并行文本语料库的构建
Pub Date : 2020-01-30 DOI: 10.5121/ijaia.2020.11107
Ibrahim Gashaw, H. Shashirekha
Many automatic translation works have been addressed between major European language pairs, by taking advantage of large scale parallel corpora, but very few research works are conducted on the Amharic-Arabic language pair due to its parallel data scarcity. However, there is no benchmark parallel Amharic-Arabic text corpora available for Machine Translation task. Therefore, a small parallel Quranic text corpus is constructed by modifying the existing monolingual Arabic text and its equivalent translation of Amharic language text corpora available on Tanzile. Experiments are carried out on Two Long ShortTerm Memory (LSTM) and Gated Recurrent Units (GRU) based Neural Machine Translation (NMT) using Attention-based Encoder-Decoder architecture which is adapted from the open-source OpenNMT system. LSTM and GRU based NMT models and Google Translation system are compared and found that LSTM based OpenNMT outperforms GRU based OpenNMT and Google Translation system, with a BLEU score of 12%, 11%, and 6% respectively.
利用大规模的平行语料库,许多欧洲主要语言对之间的自动翻译工作已经得到了解决,但由于阿姆哈拉语-阿拉伯语对的平行数据稀缺,很少对其进行研究。然而,没有可用于机器翻译任务的基准平行阿姆哈拉语-阿拉伯语文本语料库。因此,通过修改Tanzile上现有的单语阿拉伯语文本及其阿姆哈拉语文本语料库的等效翻译,构建了一个小型的平行古兰经文本语料库。在基于两个长短期存储器(LSTM)和门控递归单元(GRU)的神经机器翻译(NMT)上使用基于注意力的编码器-编码器架构进行了实验,该架构改编自开源的OpenNMT系统。将基于LSTM和GRU的NMT模型与谷歌翻译系统进行比较,发现基于LSTM的OpenNMT优于基于GRU的OpenNMT和谷歌翻译系统,BLEU得分分别为12%、11%和6%。
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引用次数: 1
A Hybrid Algorithm Based on Invasive Weed Optimization Algorithm and Grey Wolf Optimization Algorithm 基于入侵杂草优化算法和灰狼优化算法的混合算法
Pub Date : 2020-01-30 DOI: 10.5121/ijaia.2020.11103
W. Qasim, B. Mitras
In this research, two algorithms first, considered to be one of hybrid algorithms. And it is algorithm represents invasive weed optimization. This algorithm is a random numerical algorithm and the second algorithm representing the grey wolves optimization. This algorithm is one of the algorithms of swarm intelligence in intelligent optimization. The algorithm of invasive weed optimization is inspired by nature as the weeds have colonial behavior and were introduced by Mehrabian and Lucas in 2006. Invasive weeds are a serious threat to cultivated plants because of their adaptability and are a threat to the overall planting process. The behavior of these weeds has been studied and applied in the invasive weed algorithm. The algorithm of grey wolves, which is considered as a swarm intelligence algorithm, has been used to reach the goal and reach the best solution. The algorithm was designed by SeyedaliMirijalili in 2014 and taking advantage of the intelligence of the squadrons is to avoid falling into local solutions so the new hybridization process between the previous algorithms GWO and IWO and we will symbolize the new algorithm IWOGWO.Comparing the suggested hybrid algorithm with the orig.
本文首先研究了两种算法,认为这是一种混合算法。它是代表入侵杂草优化的算法。该算法是一种随机数值算法,第二种算法代表灰狼优化。该算法是群智能在智能优化中的一种算法。入侵杂草优化算法受到自然的启发,因为杂草具有殖民行为,由Mehrabian和Lucas于2006年提出。入侵杂草由于其适应性而对栽培植物构成严重威胁,并对整个种植过程构成威胁。这些杂草的行为已经被研究并应用于入侵杂草算法中。灰狼算法被认为是一种群体智能算法,已被用于达到目标并获得最佳解。该算法由SeyedaliMirijalili于2014年设计,利用中队的智能是为了避免陷入局部解决方案,因此之前的算法GWO和IWO之间的新杂交过程,我们将象征新算法IWOGWO。将所提出的混合算法与原始算法进行了比较。
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引用次数: 0
An Ontological Analysis and Natural Language Processing of Figures of Speech 修辞的本体论分析与自然语言处理
Pub Date : 2020-01-30 DOI: 10.5121/ijaia.2020.11102
Christiana Panayiotou
The purpose of the current paper is to present an ontological analysis to the identification of a particular type of prepositional figures of speech via the identification of inconsistencies in ontological concepts. Prepositional noun phrases are used widely in a multiplicity of domains to describe real world events and activities. However, one aspect that makes a prepositional noun phrase poetical is that the latter suggests a semantic relationship between concepts that does not exist in the real world. The current paper shows that a set of rules based on WordNet classes and an ontology representing human behaviour and properties, can be used to identify figures of speech due to the discrepancies in the semantic relations of the concepts involved. Based on this realization, the paper describes a method for determining poetic vs. non-poetic prepositional figures of speech, using WordNet class hierarchies. The paper also addresses the problem of inconsistency resulting from the assertion of figures of speech in ontological knowledge bases, identifying the problems involved in their representation. Finally, it discusses how a contextualized approach might help to resolve this problem.
本文的目的是通过识别本体论概念中的不一致性,对特定类型的介词词性的识别进行本体论分析。介词名词短语在许多领域被广泛用于描述现实世界中的事件和活动。然而,介词名词短语富有诗意的一个方面是,后者暗示了现实世界中不存在的概念之间的语义关系。目前的论文表明,由于所涉及的概念的语义关系存在差异,一组基于WordNet类和表示人类行为和属性的本体的规则可以用于识别词性。基于这一认识,本文描述了一种使用WordNet类层次结构确定诗意和非诗意介词词性的方法。本文还解决了本体论知识库中由于修辞格的断言而导致的不一致问题,并确定了修辞格表示中涉及的问题。最后,它讨论了情境化方法如何帮助解决这个问题。
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引用次数: 1
DETECTION OF DENSE, OVERLAPPING, GEOMETRIC OBJECTS. 密集,重叠,几何物体的检测。
Pub Date : 2020-01-01 DOI: 10.5121/ijaia.2020.11403
Adele Peskin, Boris Wilthan, Michael Majurski

Using a unique data collection, we are able to study the detection of dense geometric objects in image data where object density, clarity, and size vary. The data is a large set of black and white images of scatterplots, taken from journals reporting thermophysical property data of metal systems, whose plot points are represented primarily by circles, triangles, and squares. We built a highly accurate single class U-Net convolutional neural network model to identify 97 % of image objects in a defined set of test images, locating the centers of the objects to within a few pixels of the correct locations. We found an optimal way in which to mark our training data masks to achieve this level of accuracy. The optimal markings for object classification, however, required more information in the masks to identify particular types of geometries. We show a range of different patterns used to mark the training data masks, and how they help or hurt our dual goals of location and classification. Altering the annotations in the segmentation masks can increase both the accuracy of object classification and localization on the plots, more than other factors such as adding loss terms to the network calculations. However, localization of the plot points and classification of the geometric objects require different optimal training data.

使用独特的数据集,我们能够研究在物体密度,清晰度和大小变化的图像数据中密集几何物体的检测。数据是一组大的黑白散点图,取自报道金属系统热物性数据的期刊,其图点主要由圆形、三角形和正方形表示。我们建立了一个高度精确的单类U-Net卷积神经网络模型,在一组定义的测试图像中识别97%的图像物体,并将物体的中心定位到正确位置的几个像素以内。我们找到了一种最佳的方法来标记我们的训练数据掩码,以达到这种精度水平。然而,用于物体分类的最佳标记需要更多的掩模信息来识别特定类型的几何形状。我们展示了一系列用于标记训练数据掩码的不同模式,以及它们如何帮助或损害我们的位置和分类的双重目标。改变分割掩码中的注释,比在网络计算中添加损失项等其他因素更能提高目标分类和定位的准确性。然而,图点的定位和几何目标的分类需要不同的最优训练数据。
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引用次数: 3
2D Features-based Detector and Descriptor Selection System for Hierarchical Recognition of Industrial Parts 基于二维特征的工业零件层次识别检测器和描述符选择系统
Pub Date : 2019-11-30 DOI: 10.5121/ijaia.2019.10601
Ibon Merino, J. Azpiazu, Anthony Remazeilles, B. Sierra
Detection and description of keypoints from an image is a well-studied problem in Computer Vision. Some methods like SIFT, SURF or ORB are computationally really efficient. This paper proposes a solution for a particular case study on object recognition of industrial parts based on hierarchical classification. Reducing the number of instances leads to better performance, indeed, that is what the use of the hierarchical classification is looking for. We demonstrate that this method performs better than using just one method like ORB, SIFT or FREAK, despite being fairly slower.
图像中关键点的检测和描述是计算机视觉中一个被广泛研究的问题。像SIFT、SURF或ORB这样的方法在计算上非常高效。针对工业零件的目标识别问题,提出了一种基于层次分类的解决方案。减少实例的数量会带来更好的性能,这正是层次分类的目的所在。我们证明了这种方法比只使用ORB、SIFT或FREAK这样的方法性能更好,尽管速度相当慢。
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引用次数: 3
Predicting Road Accident Risk Using Google Maps Images and A Convolutional Neural Network 使用谷歌地图图像和卷积神经网络预测道路事故风险
Pub Date : 2019-11-30 DOI: 10.5121/ijaia.2019.10605
A. Agarwal
Location specific characteristics of a road segment such as road geometry as well as surrounding road features can contribute significantly to road accident risk. A Google Maps image of a road segment provides a comprehensive visual of its complex geometry and the surrounding features. This paper proposes a novel machine learning approach using Convolutional Neural Networks (CNN) to accident risk prediction by unlocking the precise interaction of these many small road features that work in combination to contribute to a greater accident risk. The model has worldwide applicability and a very low cost/time effort to implement for a new city since Google Maps are available in most places across the globe. It also significantly contributes to existing research on accident prevention by allowing for the inclusion of highly detailed road geometry to weigh in on the prediction as well as the new locationbased attributes like proximity to schools and businesses.
路段的特定位置特征,如道路几何形状以及周围道路特征,会显著增加道路事故风险。路段的谷歌地图图像提供了其复杂几何形状和周围特征的全面视觉效果。本文提出了一种新的机器学习方法,使用卷积神经网络(CNN)来预测事故风险,通过解锁这些小道路特征的精确相互作用,这些特征结合起来会导致更大的事故风险。由于谷歌地图在全球大多数地方都可以使用,因此该模型在全球范围内具有适用性,在新城市实施成本/时间非常低。它还通过允许将高度详细的道路几何形状纳入预测以及新的基于位置的属性(如靠近学校和企业),对现有的事故预防研究做出了重大贡献。
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引用次数: 1
Robot Based Interactive Game for Teaching Arabic Spelling 基于机器人的阿拉伯语拼写教学互动游戏
Pub Date : 2019-11-30 DOI: 10.5121/ijaia.2019.10602
Ghada Alsebayel, J. Berri
Game based learning is becoming a widespread technique used to enhance motivation, involvement and educational experience of learners. Games have the potential to support educational curricula when designed effectively. In this work, an educational game to teach Arabic spelling to children is proposed. The game consists of two main parts; a robot and a desktop application. The robot is connected to the desktop application to form the complete game. Our mere focus is to develop an interactive, adaptive game to motivate students and let them interact joyfully in their environment while learning simple Arabic spelling rules. The interaction was implemented through designing an interaction model between the user and the robot, where the robot responds to user input with appropriate facial expressions and vocal statements. On the other hand, adaption and intelligence of the game is done through utilizing the nutshell of expert systems’ framework with some alterations. Our proposed game is based on the curriculum of Saudi Arabia in elementary schools. It is anticipated that the deployment of robot-based games in the classroom will advance students’ engagement and enthusiasm about learning Arabic spelling.
基于游戏的学习正在成为一种广泛使用的技术,用于增强学习者的动机、参与度和教育体验。如果设计有效,游戏有可能支持教育课程。在这项工作中,提出了一个教育游戏,教孩子们阿拉伯语拼写。游戏由两个主要部分组成;机器人和桌面应用程序。机器人连接到桌面应用程序以形成完整的游戏。我们的重点是开发一款互动、自适应的游戏,激励学生,让他们在学习简单的阿拉伯语拼写规则的同时,在自己的环境中愉快地互动。交互是通过设计用户和机器人之间的交互模型来实现的,在该模型中,机器人通过适当的面部表情和语音陈述来响应用户输入。另一方面,游戏的适应性和智能性是通过利用专家系统的框架进行一些修改来实现的。我们提议的游戏是以沙特阿拉伯小学的课程为基础的。预计在课堂上部署基于机器人的游戏将提高学生学习阿拉伯语拼写的参与度和热情。
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引用次数: 2
期刊
International journal of artificial intelligence & applications
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