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Global journal of computer science and technology最新文献

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Solution of Integral Equation in Two-Dimensional using Spectral Relationships 利用谱关系求解二维积分方程
Global journal of computer science and technology Pub Date : 2020-03-23 DOI: 10.34257/gjsfrfvol20is2pg1
F. Alharbi
{"title":"Solution of Integral Equation in Two-Dimensional using Spectral Relationships","authors":"F. Alharbi","doi":"10.34257/gjsfrfvol20is2pg1","DOIUrl":"https://doi.org/10.34257/gjsfrfvol20is2pg1","url":null,"abstract":"This paper concerned using spectral relationships in the solution of the integral equation (IE) in two-dimensional. To discuss that, the (IE) in two-dimensional under certain conditions was considered. The existence of at least one solution of the (IE) was discussed by proving the continuity and compactness of an integral operators. Chebyshev polynomials of the first kind were used to transform the (IE) to a linear algebraic system. Many numerical results and estimating errors were calculated and plotted by the Maple program in different cases.","PeriodicalId":340110,"journal":{"name":"Global journal of computer science and technology","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133488523","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}
引用次数: 0
Employee Culling based on of Online Work Assessment through Machine Learning Algorithm 基于机器学习算法的在线工作评估员工筛选
Global journal of computer science and technology Pub Date : 2020-01-18 DOI: 10.34257/gjcstdvol19is4pg23
Khaled Redwan, Yeasin Ahammed, Masum Akram Hridoy, Fernaz Narin Nur, A. Islam
{"title":"Employee Culling based on of Online Work Assessment through Machine Learning Algorithm","authors":"Khaled Redwan, Yeasin Ahammed, Masum Akram Hridoy, Fernaz Narin Nur, A. Islam","doi":"10.34257/gjcstdvol19is4pg23","DOIUrl":"https://doi.org/10.34257/gjcstdvol19is4pg23","url":null,"abstract":"Online reviews are one of the significant factors in a customer’s purchase decision or to avail of any service. Online reviews give rise to the potential threats that fake reviewers may write a false review to artificially promote a product or defaming value of a service. Using Natural Language Processing, many methods have already been developed to detect fake reviews, especially reviews written in the English language. In this paper, I propose a novel framework where authenticity of a feedback will check through two perspectives. Firstly, the system checks whether the review is fake or not. Secondly, it also checks the authenticity of the reviewer. The outcome result accumulates in cloud storage for providing further business analytics.","PeriodicalId":340110,"journal":{"name":"Global journal of computer science and technology","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127707886","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}
引用次数: 0
Mediation of Lazy Update Propagation in a Replicated Database over a Decentralized P2P Architecture 基于去中心化P2P架构的复制数据库延迟更新传播中介
Global journal of computer science and technology Pub Date : 2019-12-09 DOI: 10.34257/gjcstcvol19is3pg1
Katembo Kituta Ezéchiel, Shri Kant, Ruchi Agarwal
{"title":"Mediation of Lazy Update Propagation in a Replicated Database over a Decentralized P2P Architecture","authors":"Katembo Kituta Ezéchiel, Shri Kant, Ruchi Agarwal","doi":"10.34257/gjcstcvol19is3pg1","DOIUrl":"https://doi.org/10.34257/gjcstcvol19is3pg1","url":null,"abstract":"While replicating data over a decentralized Peer-to- Peer (P2P) network, transactions broadcasting updates arising from different peers run simultaneously so that a destination peer replica can be updated concurrently, that always causes transaction and data conflicts. Moreover, during data migration, connectivity interruption and network overload corrupt running transactions so that destination peers can experience duplicated data or improper data or missing data, hence replicas remain inconsistent. Different methodological approaches have been combined to solve these problems: the audit log technique to capture the changes made to data; the algorithmic method to design and analyse algorithms and the statistical method to analyse the performance of new algorithms and to design prediction models of the execution time based on other parameters. A Graphical User Interface software as prototype, have been designed with C #, to implement these new algorithms to obtain a database synchronizer-mediator. A stream of experiments, showed that the new algorithms were effective. So, the hypothesis according to which “The execution time of replication and reconciliation transactions totally depends on independent factors.” has been confirmed.","PeriodicalId":340110,"journal":{"name":"Global journal of computer science and technology","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121701909","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}
引用次数: 1
Study and Performance Analysis of Different Techniques for Computing Data Cubes 不同数据立方体计算技术的研究与性能分析
Global journal of computer science and technology Pub Date : 2019-12-09 DOI: 10.34257/gjcstcvol19is3pg33
Aiasha Siddika
{"title":"Study and Performance Analysis of Different Techniques for Computing Data Cubes","authors":"Aiasha Siddika","doi":"10.34257/gjcstcvol19is3pg33","DOIUrl":"https://doi.org/10.34257/gjcstcvol19is3pg33","url":null,"abstract":"Data is an integrated form of observable and recordable facts in operational or transactional systems in the data warehouse. Usually, data warehouse stores aggregated and historical data in multi-dimensional schemas. Data only have value to end-users when it is formulated and represented as information. And Information is a composed collection of facts for decision making. Cube computation is the most efficient way for answering this decision making queries and retrieve information from data. Online Analytical Process (OLAP) used in this purpose of the cube computation. There are two types of OLAP: Relational Online Analytical Processing (ROLAP) and Multidimensional Online Analytical Processing (MOLAP).This research worked on ROLAP and MOLAP and then compare both methods to find out the computation times by the data volume. Generally, a large data warehouse produces an extensive output, and it takes a larger space with a huge amount of empty data cells. To solve this problem, data compression is inevitable. Therefore, Compressed Row Storage (CRS) is applied to reduce empty cell overhead.","PeriodicalId":340110,"journal":{"name":"Global journal of computer science and technology","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121716760","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}
引用次数: 1
Using Deep Learning to Detect Polyethylene Terephthalate (PET) Bottle Status for Recycling 使用深度学习检测聚对苯二甲酸乙二醇酯(PET)瓶状态以进行回收
Global journal of computer science and technology Pub Date : 2019-11-18 DOI: 10.34257/gjcstgvol19is4pg27
Hellen Wanini Mwangi, M. Mokoena
{"title":"Using Deep Learning to Detect Polyethylene Terephthalate (PET) Bottle Status for Recycling","authors":"Hellen Wanini Mwangi, M. Mokoena","doi":"10.34257/gjcstgvol19is4pg27","DOIUrl":"https://doi.org/10.34257/gjcstgvol19is4pg27","url":null,"abstract":"Following the recent ban of plastic waste import by China, many developed countries face challenges with their huge amount of plastic waste. Some of the countries have diverted their waste to other developing East-Asia countries like Philippines, Vietnam and Malaysia. However, Malaysian government has taken strict action to send back over 3000 tons of plastic waste to its origin citing contamination. The aim of this paper is to establish mechanisms to detect the status of post-consumer PET bottles for recycling. By encouraging recycling of clean pet bottles, we ensure high quality bottles for recycling. A research based as well as experimental design approach was adopted to develop mechanisms to detect PET bottle status. During the experiment, various PET bottles were collected and images captured. A total of 1749 images were captured using raspberry Pi camera.","PeriodicalId":340110,"journal":{"name":"Global journal of computer science and technology","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129286876","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}
引用次数: 6
Cloud based Framework for Fake Review Detection 基于云的虚假评论检测框架
Global journal of computer science and technology Pub Date : 2019-11-14 DOI: 10.34257/gjcstdvol19is4pg9
Md. Towhidul Islam Robin
{"title":"Cloud based Framework for Fake Review Detection","authors":"Md. Towhidul Islam Robin","doi":"10.34257/gjcstdvol19is4pg9","DOIUrl":"https://doi.org/10.34257/gjcstdvol19is4pg9","url":null,"abstract":"Online reviews are one of the significant factors in a customer’s purchase decision or to avail of any service. Online reviews give rise to the potential threats that fake reviewers may write a false review to artificially promote a product or defaming value of a service. Using Natural Language Processing, many methods have already been developed to detect fake reviews, especially reviews written in the English language. In this paper, I propose a novel framework where authenticity of a feedback will check through two perspectives. Firstly, the system checks whether the review is fake or not. Secondly, it also checks the authenticity of the reviewer. The outcome result accumulates in cloud storage for providing further business analytics.","PeriodicalId":340110,"journal":{"name":"Global journal of computer science and technology","volume":"395 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124313566","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}
引用次数: 0
Beyond Google’s PageRank: Complex Number-based Calculations for Node Ranking 超越Google的PageRank:基于复杂数字的节点排名计算
Global journal of computer science and technology Pub Date : 2019-10-14 DOI: 10.34257/gjcstevol19is3pg1
K. Sugihara
{"title":"Beyond Google’s PageRank: Complex Number-based Calculations for Node Ranking","authors":"K. Sugihara","doi":"10.34257/gjcstevol19is3pg1","DOIUrl":"https://doi.org/10.34257/gjcstevol19is3pg1","url":null,"abstract":"This study is focused on a proposed alternative algorithm for Google's PageRank, named Hermitian centrality score, which employs complex numbers for scoring a node of the network to overcome the issues of PageRank’s link analysis. This study presents the Hermitian centrality score as a solution for the problems of PageRank, which are associated with the damping factor of Google’s algorithm. The algorithm for Hermitian centrality score is designed to be free from a damping factor, and it reproduces PageRank results well. Moreover, the proposed algorithm can mathematically and systematically change the point of a node of a network.","PeriodicalId":340110,"journal":{"name":"Global journal of computer science and technology","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115477165","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}
引用次数: 3
Academicians' Acceptance of Online Learning Environments: A Review of Information System Theories and Models 院士对网络学习环境的接受:信息系统理论与模型综述
Global journal of computer science and technology Pub Date : 2019-08-31 DOI: 10.34257/gjcsthvol19is1pg31
Asanka Gunasinghe, J. Hamid, A. Khatibi, S. Azam
{"title":"Academicians' Acceptance of Online Learning Environments: A Review of Information System Theories and Models","authors":"Asanka Gunasinghe, J. Hamid, A. Khatibi, S. Azam","doi":"10.34257/gjcsthvol19is1pg31","DOIUrl":"https://doi.org/10.34257/gjcsthvol19is1pg31","url":null,"abstract":"Aim of this paper is to review technology (IS) acceptance theories and models,\u0000recognizing empirical evidence available to support the suitability of each theoretical model in explaining academicians’ acceptance of online learning technology. Understanding the factors influencing system usage is crucial for decision-makers to recognize potential user needs and concerns, which could be addressed during the development phase of a system. Thus, for decades, researchers have been trying to understand why people accept new technologies. As a result, a wide variety of theories and models explaining the concept of technology acceptance. Some prominent theoretical models explaining technology acceptance are, “Theory of Reasoned Action”, “Diffusion of Innovation theory”, “Theory of Planned Behavior”, “Social Cognitive Theory”, “Technology Acceptance Model”, “Model of PC Utilization”, “Motivational Model”, “Unified Theory of Acceptance and Use of Technology”, “UTAUT 2”, “UTAUT 3”. The concept of academic’s acceptance of online learning technology can be explained through several determinants that are operationalized through above information systems models.","PeriodicalId":340110,"journal":{"name":"Global journal of computer science and technology","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132244320","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}
引用次数: 20
Performance Expectations for IT Graduates in Software Development IT毕业生在软件开发方面的表现期望
Global journal of computer science and technology Pub Date : 2019-08-31 DOI: 10.34257/gjcsthvol19is1pg7
A. Jayakody, A.S.K. Bulathsinghala, L.G.C.S. Lihinigama, K.H.A. Anurad, D. Karunarathna
{"title":"Performance Expectations for IT Graduates in Software Development","authors":"A. Jayakody, A.S.K. Bulathsinghala, L.G.C.S. Lihinigama, K.H.A. Anurad, D. Karunarathna","doi":"10.34257/gjcsthvol19is1pg7","DOIUrl":"https://doi.org/10.34257/gjcsthvol19is1pg7","url":null,"abstract":"Technology makes the world more connected than it did yesterday, and it integrates worldwide activities in a blink of an eye. In the IT sector, there are several job roles as identified under software development. These job roles have different duties and tasks which requires employees, with a unique set of skills to match the specific requirements in the field. During the past few decades, the employment landscape has changed, and new occupations are rising in the field of software development, yet no satisfactory evidence has been provided by existing literature on the performance expectations in the industry, for IT graduates in software development, in the Sri Lankan context. Therefore, this research objectives to ascertain the expectations of employers on the technical, personal, educational, and general competencies of employees, holding an IT degree and to draw differences among individual and teamwork settings according to the identified competencies.","PeriodicalId":340110,"journal":{"name":"Global journal of computer science and technology","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132965063","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}
引用次数: 0
Impact of Critical Success Factors on ERP Implementation: Typical Organizations in Sri Lankan Context 关键成功因素对ERP实施的影响:斯里兰卡典型组织
Global journal of computer science and technology Pub Date : 2019-08-31 DOI: 10.34257/gjcsthvol19is1pg27
A. Jayakody, Eshan Samaranayake, Punchihewa N.N.W.G, B.V.R. Jeewantha, H.N.I. Wijesiri
{"title":"Impact of Critical Success Factors on ERP Implementation: Typical Organizations in Sri Lankan Context","authors":"A. Jayakody, Eshan Samaranayake, Punchihewa N.N.W.G, B.V.R. Jeewantha, H.N.I. Wijesiri","doi":"10.34257/gjcsthvol19is1pg27","DOIUrl":"https://doi.org/10.34257/gjcsthvol19is1pg27","url":null,"abstract":"Enterprise Resource Planning system is a software that suitable for the user to earn more ROI by involving business activities. By the way, most organizations are still afraid to adopt this to their organizations. The reason is the high-cost wastage, and also bankruptcy. But it is not true at all the time. ERP can implement to small and medium-sized organizations too. To clarify these points, the paper focuses on the critical factors that affect the success of an ERP implementation process. It will do by a conceptual framework. It review and assertion of 15 hypotheses will carry out using \"structural equation modeling technique\". The definition of multi-variable technology used since the ability to check multiple linear connections at once simultaneously depends on one or more variables dependently and independently.","PeriodicalId":340110,"journal":{"name":"Global journal of computer science and technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129121732","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}
引用次数: 1
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