Pub Date : 2019-09-01DOI: 10.1109/IDAACS.2019.8924369
T. Polhul, A. Yarovyi
This study aimed to develop a method of fraudster fingerprint formation during mobile application installations, based on a fuzzy model for fraudster fingerprint formation and algorithms of its use for fraudster fingerprint formation. This method allows determining the reason of labeling user by a particular class during fraud detection. The use of the developed method in fraud detection tasks makes it possible to correctly identify 99.56% of users in general and 80.43% of correctly determined fraudsters in particular and speed up the fraud detection process.
{"title":"Method of Fraudster Fingerprint Formation During Mobile Application Installations","authors":"T. Polhul, A. Yarovyi","doi":"10.1109/IDAACS.2019.8924369","DOIUrl":"https://doi.org/10.1109/IDAACS.2019.8924369","url":null,"abstract":"This study aimed to develop a method of fraudster fingerprint formation during mobile application installations, based on a fuzzy model for fraudster fingerprint formation and algorithms of its use for fraudster fingerprint formation. This method allows determining the reason of labeling user by a particular class during fraud detection. The use of the developed method in fraud detection tasks makes it possible to correctly identify 99.56% of users in general and 80.43% of correctly determined fraudsters in particular and speed up the fraud detection process.","PeriodicalId":415006,"journal":{"name":"2019 10th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS)","volume":"254 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117324079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-01DOI: 10.1109/IDAACS.2019.8924276
A. Lagunov, A. Orlov
The article describes the mathematical apparatus of the inertial navigation system, developed algorithms for the functioning of the navigation system, in particular, motion detection and correction of inertial navigation system readings, which allow to improve the accuracy of coordinates, as well as the method of integrating data from a strapless inertial navigation system and tachometers based on Kalman filter. Based on the mathematical model, we built a flowchart of the navigation system operating in the form of functional diagrams by the DFD methodology. Based on the algorithm, we created a prototype of a robot with an inertial navigation system. The tests of the robot were successful.
{"title":"Mathematical Model of the Compact Inertial Navigation System of the Robot","authors":"A. Lagunov, A. Orlov","doi":"10.1109/IDAACS.2019.8924276","DOIUrl":"https://doi.org/10.1109/IDAACS.2019.8924276","url":null,"abstract":"The article describes the mathematical apparatus of the inertial navigation system, developed algorithms for the functioning of the navigation system, in particular, motion detection and correction of inertial navigation system readings, which allow to improve the accuracy of coordinates, as well as the method of integrating data from a strapless inertial navigation system and tachometers based on Kalman filter. Based on the mathematical model, we built a flowchart of the navigation system operating in the form of functional diagrams by the DFD methodology. Based on the algorithm, we created a prototype of a robot with an inertial navigation system. The tests of the robot were successful.","PeriodicalId":415006,"journal":{"name":"2019 10th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117173395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-01DOI: 10.1109/idaacs.2019.8924298
Mahboobeh Ramezani Farokhad, J. Otegi-Olaso, Leonardo Sastoque Pinilla, N. Toledo, L. N. L. Lacalle
The success of R&D projects and innovation projects have a significant effect on technology enhancement and new product development, while developing project success criteria and customizing methods to measure the project success for R&D projects and innovation projects is a demanding task. In addition, the late assessment of project success in R&D projects and innovation projects has been associated with noticeable waste in time and budget. This research is based on previous studies of the authors that customized the new hybrid methodology to manage R&D&I projects in CFAA and validated the project success dimensions and criteria. In the previous researches of authors the hybrid project management methodology for R&D&I projects was developed and the project success dimensions and criteria were defined. This research aimed to answer the following question regarding the R&D&I project success evaluation. When is an appropriate time to assess the project success? Apparently the late assessment of project success is associated with significant drawbacks, therefore, the assessment of project success during the project management life cycle is the purpose of this research. The research methodology is based on the survey regarding the assessment of the project success from the project manager's perspective. The project's success criteria in the survey were translated into qualitative questions ranked through Likert scale and the survey was constructed through reviewing the literature regarding the project success criteria. The validity and reliability of survey were confirmed through smart PLS software to validate the relevancy of questions to measure the contribution of each project success dimensions in the project's success. Finally, the extension of the Hybrid R&D&I project management methodology is proposed which contains the gates to assess the project success criteria by means of this survey in each gate during the project management life cycle.
{"title":"Assessing the Success of R&D Projects and Innovation Projects through Project Management Life Cycle","authors":"Mahboobeh Ramezani Farokhad, J. Otegi-Olaso, Leonardo Sastoque Pinilla, N. Toledo, L. N. L. Lacalle","doi":"10.1109/idaacs.2019.8924298","DOIUrl":"https://doi.org/10.1109/idaacs.2019.8924298","url":null,"abstract":"The success of R&D projects and innovation projects have a significant effect on technology enhancement and new product development, while developing project success criteria and customizing methods to measure the project success for R&D projects and innovation projects is a demanding task. In addition, the late assessment of project success in R&D projects and innovation projects has been associated with noticeable waste in time and budget. This research is based on previous studies of the authors that customized the new hybrid methodology to manage R&D&I projects in CFAA and validated the project success dimensions and criteria. In the previous researches of authors the hybrid project management methodology for R&D&I projects was developed and the project success dimensions and criteria were defined. This research aimed to answer the following question regarding the R&D&I project success evaluation. When is an appropriate time to assess the project success? Apparently the late assessment of project success is associated with significant drawbacks, therefore, the assessment of project success during the project management life cycle is the purpose of this research. The research methodology is based on the survey regarding the assessment of the project success from the project manager's perspective. The project's success criteria in the survey were translated into qualitative questions ranked through Likert scale and the survey was constructed through reviewing the literature regarding the project success criteria. The validity and reliability of survey were confirmed through smart PLS software to validate the relevancy of questions to measure the contribution of each project success dimensions in the project's success. Finally, the extension of the Hybrid R&D&I project management methodology is proposed which contains the gates to assess the project success criteria by means of this survey in each gate during the project management life cycle.","PeriodicalId":415006,"journal":{"name":"2019 10th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115655988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-01DOI: 10.1109/IDAACS.2019.8924355
F. Alilat, R. Yahiaoui
An efficient coding leading to the implementation on FPGA of an optimal architecture of a multilayer Perceptron is proposed. The implementation of this architecture meets the requirements of embark, on the one hand by minimizing the consumed power, the execution time, the logical resources used, etc ‥) and on the other hand by ensuring the portability of the computer application (the ability of the latter to run on different platforms and environments). Massive parallelization, efficient coding of the sigmoid and pipeline processing are used. The neuronal approach developed and implemented on FPGA was evaluated in the context of the application on objective criteria according to the two aspects of software and hardware. The results obtained are in line with expectations and objectives.
{"title":"MLP on FPGA: Optimal Coding of Data and Activation Function","authors":"F. Alilat, R. Yahiaoui","doi":"10.1109/IDAACS.2019.8924355","DOIUrl":"https://doi.org/10.1109/IDAACS.2019.8924355","url":null,"abstract":"An efficient coding leading to the implementation on FPGA of an optimal architecture of a multilayer Perceptron is proposed. The implementation of this architecture meets the requirements of embark, on the one hand by minimizing the consumed power, the execution time, the logical resources used, etc ‥) and on the other hand by ensuring the portability of the computer application (the ability of the latter to run on different platforms and environments). Massive parallelization, efficient coding of the sigmoid and pipeline processing are used. The neuronal approach developed and implemented on FPGA was evaluated in the context of the application on objective criteria according to the two aspects of software and hardware. The results obtained are in line with expectations and objectives.","PeriodicalId":415006,"journal":{"name":"2019 10th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116453641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-01DOI: 10.1109/IDAACS.2019.8924413
Wenshuo Bian, Chunzhi Wang, Z. Ye, Lingyu Yan
In order to improve the accuracy and generalization performance of text sentiment analysis model, an integrated learning model is proposed in this paper, which includes three different classification algorithms - Logistic regression, support vector machine and K-Neighborhood algorithm. Compared with single classification algorithm, this algorithm shows better accuracy. The experimental results show that the model has good generalization performance and robustness.
{"title":"Emotional Text Analysis Based on Ensemble Learning of Three Different Classification Algorithms","authors":"Wenshuo Bian, Chunzhi Wang, Z. Ye, Lingyu Yan","doi":"10.1109/IDAACS.2019.8924413","DOIUrl":"https://doi.org/10.1109/IDAACS.2019.8924413","url":null,"abstract":"In order to improve the accuracy and generalization performance of text sentiment analysis model, an integrated learning model is proposed in this paper, which includes three different classification algorithms - Logistic regression, support vector machine and K-Neighborhood algorithm. Compared with single classification algorithm, this algorithm shows better accuracy. The experimental results show that the model has good generalization performance and robustness.","PeriodicalId":415006,"journal":{"name":"2019 10th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123819321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-01DOI: 10.1109/IDAACS.2019.8924242
N. Yehorchenkova, Iurii Teslia, Oleksii Yehorchenkov, Liubov Kubiavka, T. Latysheva, Yevheniia Kataieva, V. Olena
In the article authors present model of management of project and operational production what base on using of Monte-Carlo method. The main feature of the model is providing the ability to effective manage every stage of creating and using of resources in project activity of project-oriented enterprise.
{"title":"Model Of Management Of Resources Production In 4P-Environment Of Project-Oriented Enterprise","authors":"N. Yehorchenkova, Iurii Teslia, Oleksii Yehorchenkov, Liubov Kubiavka, T. Latysheva, Yevheniia Kataieva, V. Olena","doi":"10.1109/IDAACS.2019.8924242","DOIUrl":"https://doi.org/10.1109/IDAACS.2019.8924242","url":null,"abstract":"In the article authors present model of management of project and operational production what base on using of Monte-Carlo method. The main feature of the model is providing the ability to effective manage every stage of creating and using of resources in project activity of project-oriented enterprise.","PeriodicalId":415006,"journal":{"name":"2019 10th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS)","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124458596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-01DOI: 10.1109/IDAACS.2019.8924393
G. Markowsky, L. Markowsky
Automated and semi-automated systems that derive actionable information from massive, heterogeneous datasets are essential for many applications. The reasoning of such systems must be as clear as possible in order to earn our trust. Lattices have begun to play a key role in computer science finding applications in distributed computing, programming languages, concurrency theory, and data mining, thereby justifying G. C. Rota's belief that lattice theory will play an important role in 21st Century mathematics [1]. In some instances, researchers must deal with posets that are not necessarily lattices and the question arises how these posets can be embedded in lattices. A classic way to answer this question is to construct the MacNeille completion of the lattice, which is the most compact way to embed a poset into a lattice. In 1973 G. Markowsky introduced the poset of irreducibles construction in his dissertation and demonstrated that this was a very compact way to represent a lattice. In addition, the poset of irreducibles has many of the properties of the poset of join-irreducibles of distributive lattices that was introduced by G. Birkhoff and described in his book [2]. In this paper, we show how to construct the poset of irreducibles for the MacNeille completion of a poset efficiently. We conclude with some applications of these ideas.
从海量异构数据集中获取可操作信息的自动化和半自动化系统对于许多应用程序至关重要。为了赢得我们的信任,这些系统的推理必须尽可能清晰。格已经开始在计算机科学中发挥关键作用,在分布式计算、编程语言、并发理论和数据挖掘中得到应用,从而证明了G. C. Rota关于格理论将在21世纪数学中发挥重要作用的信念[1]。在某些情况下,研究人员必须处理不一定是格的偏序集,问题是如何将这些偏序集嵌入到格中。回答这个问题的一个经典方法是构造晶格的MacNeille补全,这是将偏序集嵌入晶格的最紧凑的方法。1973年,G. Markowsky在他的论文中引入了不可约构造的序集,并证明了这是一种非常紧凑的表示格的方法。此外,不可约偏集具有G. Birkhoff在其著作[2]中引入的分配格的联合不可约偏集的许多性质。在本文中,我们给出了如何有效地构造一个微集的不可约微集的MacNeille补全。最后给出了这些思想的一些应用。
{"title":"Lattice Data Analytics: The Poset of Irreducibles and the MacNeille Completion","authors":"G. Markowsky, L. Markowsky","doi":"10.1109/IDAACS.2019.8924393","DOIUrl":"https://doi.org/10.1109/IDAACS.2019.8924393","url":null,"abstract":"Automated and semi-automated systems that derive actionable information from massive, heterogeneous datasets are essential for many applications. The reasoning of such systems must be as clear as possible in order to earn our trust. Lattices have begun to play a key role in computer science finding applications in distributed computing, programming languages, concurrency theory, and data mining, thereby justifying G. C. Rota's belief that lattice theory will play an important role in 21st Century mathematics [1]. In some instances, researchers must deal with posets that are not necessarily lattices and the question arises how these posets can be embedded in lattices. A classic way to answer this question is to construct the MacNeille completion of the lattice, which is the most compact way to embed a poset into a lattice. In 1973 G. Markowsky introduced the poset of irreducibles construction in his dissertation and demonstrated that this was a very compact way to represent a lattice. In addition, the poset of irreducibles has many of the properties of the poset of join-irreducibles of distributive lattices that was introduced by G. Birkhoff and described in his book [2]. In this paper, we show how to construct the poset of irreducibles for the MacNeille completion of a poset efficiently. We conclude with some applications of these ideas.","PeriodicalId":415006,"journal":{"name":"2019 10th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123402064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-01DOI: 10.1109/IDAACS.2019.8924428
O. Savenko, A. Sachenko, S. Lysenko, G. Markowsky
This article presents the technique for botnet detection using the distributed systems in the local area network. Distributed system contains host and network levels. At the host level, the botnets detection is based on Bayes classification. In order to perform the classification, the classes and subclasses were constructed on the basis of botnets patterns. An algorithm for classifier training was developed. The network level provides the exchange of the classification results for the knowledge transfer to the rest of the antivirus program units of the distributed system.
{"title":"Botnet Detection Approach for the Distributed Systems","authors":"O. Savenko, A. Sachenko, S. Lysenko, G. Markowsky","doi":"10.1109/IDAACS.2019.8924428","DOIUrl":"https://doi.org/10.1109/IDAACS.2019.8924428","url":null,"abstract":"This article presents the technique for botnet detection using the distributed systems in the local area network. Distributed system contains host and network levels. At the host level, the botnets detection is based on Bayes classification. In order to perform the classification, the classes and subclasses were constructed on the basis of botnets patterns. An algorithm for classifier training was developed. The network level provides the exchange of the classification results for the knowledge transfer to the rest of the antivirus program units of the distributed system.","PeriodicalId":415006,"journal":{"name":"2019 10th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128679365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-01DOI: 10.1109/IDAACS.2019.8924331
V. Mukhin, V. Vyshnivskyi, Y. Kornaga, O. Herasymenko, Yuriy Bazaka, M. Bazaliy
The task to increase the scalability of the distributed computer systems (DCS) arises the new challenges for developing of the effective resources control mechanisms for such systems. This issue is particularly significant for the distributed computer systems with a decentralized resource control mechanism. The paper describes a resource reservation mechanism which allow to prevent the total loading of DCS computational resources. This research is devoted to the study of the functioning of the resource control system (RCS) based on a network-centric approach in the context of resource reservations.
{"title":"Study of the Functioning of the Distributed Computer System with a Resource Control Mechanism Based on a Network-Centric Approach","authors":"V. Mukhin, V. Vyshnivskyi, Y. Kornaga, O. Herasymenko, Yuriy Bazaka, M. Bazaliy","doi":"10.1109/IDAACS.2019.8924331","DOIUrl":"https://doi.org/10.1109/IDAACS.2019.8924331","url":null,"abstract":"The task to increase the scalability of the distributed computer systems (DCS) arises the new challenges for developing of the effective resources control mechanisms for such systems. This issue is particularly significant for the distributed computer systems with a decentralized resource control mechanism. The paper describes a resource reservation mechanism which allow to prevent the total loading of DCS computational resources. This research is devoted to the study of the functioning of the resource control system (RCS) based on a network-centric approach in the context of resource reservations.","PeriodicalId":415006,"journal":{"name":"2019 10th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128805075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-01DOI: 10.1109/IDAACS.2019.8924425
G. Shilo, V. Beskorovainyi, E. Ogrenich, Nataliia Furmanova, N. Myronova
Thermal mode of electronic devices with forced air cooling system is researched. The influence of air velocity on the thermal mode of electronic modules is investigated. The algorithms of optimizing the mass and thermal resistance of electronic devices are proposed. These algorithms can be applied for finned channel and heatsink covers. Thermal parameters of electronic devices are obtained using advanced computer-aided design systems.
{"title":"Thermal Design of Electronic Devices with a Forced Cooling System","authors":"G. Shilo, V. Beskorovainyi, E. Ogrenich, Nataliia Furmanova, N. Myronova","doi":"10.1109/IDAACS.2019.8924425","DOIUrl":"https://doi.org/10.1109/IDAACS.2019.8924425","url":null,"abstract":"Thermal mode of electronic devices with forced air cooling system is researched. The influence of air velocity on the thermal mode of electronic modules is investigated. The algorithms of optimizing the mass and thermal resistance of electronic devices are proposed. These algorithms can be applied for finned channel and heatsink covers. Thermal parameters of electronic devices are obtained using advanced computer-aided design systems.","PeriodicalId":415006,"journal":{"name":"2019 10th IEEE International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129801301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}