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An Efficient Algorithm for Recommender System Using Kernel Mapping Techniques 基于核映射技术的高效推荐算法
Summia Naz, M. Maqsood, Mehr Yahya Durrani
Recommender Systems is a system that helps users to find good stuff like movies, books etc. The user gives ratings to items and it is a system that predicts these ratings. User rates those items that are of their interest. Two types of techniques are used by the recommender systems for recommendations-content based filtering (CBF) and collaborative filtering (CF). Both techniques have their own pros and cons. The most common problems with CF are a cold star, scalability, and sparsity. Also, collaborative filtering needs a large amount of data. We will propose a solution using Kernel Mapping Recommender (KMR) to resolve the recommendation issues like a cold star, scalability, and sparsity the main goal of proposed work is to find dynamic, efficient and effective recommendation algorithm that can be successfully used to make a recommendation to users'. Several heuristic algorithms have been anticipated that merge different categories of KMR for improving correctness and removal of problems linked with a predictable recommender system. The proposed system is checked on movie datasets that are available online and then standardized with KMR. In conditions of accuracy, precision, recall, F1 measure, and ROC metrics; the results expose that the proposed algorithm is quite precise mainly under cold-start and sparse situations.
推荐系统是一个帮助用户找到像电影、书籍等好东西的系统。用户给物品打分,系统预测这些打分。用户对他们感兴趣的项目进行评分。推荐系统使用两种类型的技术进行推荐——基于内容的过滤(CBF)和协同过滤(CF)。这两种技术都有各自的优缺点。CF最常见的问题是冷星、可伸缩性和稀疏性。同时,协同过滤需要大量的数据。我们将提出一种使用核映射推荐器(Kernel Mapping Recommender, KMR)的解决方案来解决冷星、可扩展性和稀疏性等推荐问题,提出的工作的主要目标是找到动态、高效和有效的推荐算法,可以成功地用于向用户进行推荐。几个启发式算法已经被预期合并不同类别的KMR,以提高正确性和消除与可预测推荐系统相关的问题。提出的系统在在线电影数据集上进行检查,然后使用KMR进行标准化。在准确度、精密度、召回率、F1测量和ROC指标条件下;结果表明,该算法主要在冷启动和稀疏情况下具有较高的精度。
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引用次数: 3
Survey of Hyperledger Blockchain Frameworks: Case Study in FPT University's Cryptocurrency Wallets 超级账本区块链框架调查:FPT大学加密货币钱包案例研究
Tran Quy Ban, Bui Ngoc Anh, Ngo Tung Son, Tran Van Dinh
There are many blockchain frameworks have been introduced to user, developer, and customer and they have to make a decision which one is most suitable for them in order for developing their applications. This paper describes an empirical research to benchmark the properties of frameworks in Hyperledger family. The purpose is to show the advantage & disadvantage of each framework. We apply the deeply study inside the framework and do the experiment to measure the properties as well as give literature and numerical review of each framework. Our results show the status of tested frameworks and do not demonstrate how to employ the framework as well as apply to the detail application. The main contribution of this paper is a statistical analysis of the effectiveness of Hyperledger frameworks as a tool for developer to develop their applications.
已经向用户、开发人员和客户介绍了许多区块链框架,他们必须决定哪一个最适合他们,以便开发他们的应用程序。本文描述了一项对超级账本家族框架性能进行基准测试的实证研究。目的是展示每个框架的优点和缺点。我们在框架内部进行了深入的研究,并进行了实验来测量每个框架的性能,并对每个框架进行了文献和数值回顾。我们的结果显示了测试框架的状态,并没有演示如何使用框架以及如何应用于详细的应用程序。本文的主要贡献是对超级账本框架作为开发人员开发其应用程序的工具的有效性进行统计分析。
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引用次数: 11
Acceptance of the Methods of Decision-making: A Case Study from Software Development Companies in Ukraine and Malaysia 决策方法的接受:来自乌克兰和马来西亚软件开发公司的案例研究
V. Mezhuyev, O. M. Lytvyn, I. Pershyna, O. Nechuiviter, O. Lytvyn, V. Lavrik, Oksana Kovalska, Y. Gunchenko
Any software development company encounters issues that need decision-making. At the same time, the use of reliable and proven methods of decision-making does not become a common practice in software companies worldwide. The issues here are the need for extra staff training, allocation of additional time, and inertia of the software industry. This research studies the problems of adoption of the methods of decision-making in the software development companies of Ukraine and Malaysia. The survey was conducted to evaluate software engineers' attitudes toward the use of the methods of decision-making. Research outcomes can be used to raise the level of adoption of the methods of decision-making in software companies worldwide.
任何软件开发公司都会遇到需要决策的问题。与此同时,使用可靠且经过验证的决策方法并没有成为全球软件公司的普遍做法。这里的问题是需要额外的员工培训,额外的时间分配,以及软件行业的惯性。本文研究了乌克兰和马来西亚软件开发公司采用决策方法的问题。这项调查是为了评估软件工程师对使用决策方法的态度。研究成果可用于提高全球软件公司采用决策方法的水平。
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引用次数: 0
Solving 0/1 Knapsack Problem using Opposition-based Whale Optimization Algorithm (OWOA) 基于对立的鲸鱼优化算法求解0/1背包问题
Hammoudeh S. Alamri, K. Z. Zamli, M. Razak, Ahmad Firdaus
The 0/1 Knapsack problem is one of the most popular real-world optimization problems that arise in searching space and finding the most optimum solution. Theoretically, the optimum solution problem of the 0/1 Knapsack requires suitable technique to explore the search space effectively. Practically, as many metaheuristic algorithms, Whale Optimization Algorithm (WOA) may fail in local optimum solution. This paper proposes Opposition-based Whale Optimization Algorithm (OWOA) to optimize solution problem in 0/1 Knapsack. The OWOA has been tested original WOA by using twenty cases of Knapsack problem and against other metaheuristic algorithms such as (CGMA) and HS-Jaya. The experimental results indicate a significant performance of the optimization solution and stabilization with minimal standard deviation value. This shows that the OWOA improved the original version WOA and has promising result in comparison with other existing algorithms.
0/1背包问题是现实世界中最常见的搜索空间和寻找最优解的优化问题之一。理论上,0/1背包的最优解问题需要合适的技术来有效地探索搜索空间。实际上,与许多元启发式算法一样,鲸鱼优化算法(Whale Optimization Algorithm, WOA)可能在局部最优解中失败。本文提出了基于对立的鲸鱼优化算法(OWOA)来优化0/1背包中的求解问题。OWOA对原始WOA进行了测试,使用了20例背包问题,并与其他元启发式算法(CGMA)和HS-Jaya进行了比较。实验结果表明,该优化方案具有较好的稳定性,且具有最小标准差值。这表明该算法改进了原始版本的WOA,并且与其他现有算法相比具有良好的效果。
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引用次数: 2
Using a Hypertext Pre-processor Code in Converting .csv File into a Civil Service Commission Daily Time Record Format Applying Agile Model 利用超文本预处理代码将。csv文件转换为应用敏捷模型的公务员委员会每日工时记录格式
Joel M. Gumiran, Cherry R. Gumiran
The system was designed and developed for the administration, faculty and staff of Isabela State University Cauayan Campus providing an efficient, organized and well-defined Daily Time Record. Aside from that, the software also gives strong security in recording the attendance of the employees due to the device used. The primary objective of the system is to convert the .csv file from the stand-alone face recognition device into a MariaDB database and arranged it into an organized printable output based on the prescribed DTR format of the Civil Service Commission. The proponents have applied the Agile Model (See Fig.1) and utilizes the different developmental platform for developing the project like the MariaDB Database, PHP (Hypertext pre-processor) and Web browser. Also, the Civil Service Commission Daily Time Record Form for designing the printed DTR. Testing was undergone and some errors shown in the printed DTR encountered by some of the employees. It is found out that errors were come from both to the users and to the face recognition device. The reasons behind problems are, users have multiple ID for both the device and the system and users were missed to register their time in their prescribed remark. To be able to have complete data in the DTR, it is suggested that faculty and staff should have one DTR ID and check the device always if it is under time-in or time-out. Despite the problems arisen, the testing still shows the success of the system because the software provides the converted data into a printable and organized output.
该系统是为伊莎贝拉州立大学Cauayan校区的管理人员、教职员工设计和开发的,提供了一个高效、有组织和明确的每日时间记录。除此之外,由于使用的设备,该软件在记录员工出勤方面也有很强的安全性。该系统的主要目标是将独立人脸识别设备的。csv文件转换为MariaDB数据库,并根据公务员事务委员会规定的DTR格式将其排列成有组织的可打印输出。支持者采用了敏捷模型(见图1),并利用不同的开发平台开发项目,如MariaDB数据库、PHP(超文本预处理)和Web浏览器。此外,还设计了公务员委员会每日工时记录表,用于打印DTR。经过测试,一些员工在打印的DTR中遇到了一些错误。结果表明,错误来自于用户和人脸识别设备。问题的原因是,用户在设备和系统上都有多个ID,用户没有在规定的备注中登记时间。为了能够在DTR中拥有完整的数据,建议教职员工应该有一个DTR ID,并始终检查设备是否处于计时或超时状态。尽管出现了问题,但测试仍然表明系统是成功的,因为软件将转换后的数据提供为可打印和有组织的输出。
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引用次数: 0
Applying Design Science Research in the Development of Human Resource Record Management System with Predictive Analysis through Pointing System 设计科学在基于预测分析的人力资源档案管理系统开发中的应用研究
Cherry R. Gumiran, Joel M. Gumiran
In Human Resource Record Management System developed not only providing an efficient and systematic tool in managing the record and keeping it securely but delivered an automatic computation of the seminars and training attended and service record of the employee using the NBC guidelines policy. The computed points will be utilized for promotion. Moreover, the system also generates an individual account for the employees for quick access of their record and easily update their Personal Data Sheet through Local Area Network or Wide Area Network. The system was designed and developed using MariaDB Database, PHP (Hypertext Pre-processor), Notepad++ and Web Browser. The developed system was utilized and tested following the test plan of Dilky Firdaus, integrating the Design Science Research Model (See Fig. 1). The said model is significantly applied for the success of the development process wherein it includes problem identification and motivation, definition of objectives as a solution, design and demonstration, evaluation and communication. With that, it is found out that the system was successfully complied all necessary requirements, satisfied the objectives, successfully tested and recommended for fully implementation this coming year.
在人力资源记录管理系统的开发不仅提供了一个有效和系统的工具来管理记录和保存它的安全,而且提供了一个自动计算的研讨会和培训参加和服务记录的员工使用NBC的指导方针政策。计算积分将用于促销。此外,该系统还为员工生成一个个人帐户,方便他们通过局域网或广域网快速访问他们的记录,并轻松更新他们的个人数据表。本系统采用MariaDB数据库、PHP (Hypertext Pre-processor)、notepad++和Web Browser进行设计和开发。开发的系统按照Dilky Firdaus的测试计划进行使用和测试,整合了设计科学研究模型(见图1)。该模型在开发过程的成功中得到了重要应用,其中包括问题识别和动机、作为解决方案的目标定义、设计和演示、评估和沟通。结果显示,该系统已成功地符合所有必要的要求,达到各项目标,并成功地进行了测试,并建议在来年全面实施。
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引用次数: 1
Brain Aneurysm Extraction in MRI Images MRI图像中的脑动脉瘤提取
Rose Hafsah Abd. Rauf, N. A. Ghafar, N. Khalid
Medical image processing is the most demanding and emerging field which includes the processing of MRI images. Aneurysm can develop in any blood vessel in the body especially in the brain and abdominal aorta. In regards to brain aneurysm, it has been clarified that the MRI is a more preferable detection method to inspect this brain abnormality. This paper experiments MRI brain aneurysm images using image processing techniques in extracting a clearer image of the brain aneurysm. The method proposed includes preprocessing techniques and post processing techniques. Preprocessing techniques involves noise removal function and image enhancement function. The post processing techniques is segmentation and morphological function. All of these techniques are the basic concepts of image processing. Detection and extraction of brain aneurysm from MRI images of the brain is done by using MATLAB software.
医学图像处理是其中要求最高的新兴领域,其中包括核磁共振成像图像处理。动脉瘤可以在身体的任何血管中生长,尤其是在大脑和腹主动脉中。关于脑动脉瘤,已经明确MRI是检查这种脑异常的更优选的检测方法。本文利用图像处理技术对MRI脑动脉瘤图像进行实验,提取出更清晰的脑动脉瘤图像。该方法包括预处理技术和后处理技术。预处理技术包括去噪函数和图像增强函数。后期处理技术是分割和形态函数。所有这些技术都是图像处理的基本概念。利用MATLAB软件对脑MRI图像进行脑动脉瘤的检测和提取。
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引用次数: 0
An Enhanced Key Security of Playfair Cipher Algorithm 一种增强Playfair密码算法的密钥安全性
Richard M. Marzan, Ariel M. Sison
Cryptography is one of the best methods to keep the information safe from security attack by unauthorized people. At present, many studies had been conducted to generate a more robust cryptographic algorithm to provide high security for data communication. In this study, the authors proposed an enhanced key security of Playfair cipher algorithm using Playfair cipher 16x16 matrix, XOR, two's complement, and bit swapping. The result of the study shows that the processing time for encryption and decryption processes are linearly proportional. It means the longer characters of the key; the more significant times needed to encrypt and decrypt the key. Also, the proposed method is faster than the existing key security of Playfair cipher algorithm. Experimental results also show that the proposed key security algorithm exhibits strong avalanche effect. It was also found that the key cannot be easily cracked by an attacker performing brute-force attack.
加密是保护信息不受未经授权的人攻击的最好方法之一。为了给数据通信提供更高的安全性,目前已经进行了许多研究,以产生更健壮的加密算法。在本研究中,作者利用Playfair密码16x16矩阵、异或、二进制补码和位交换,提出了一种增强Playfair密码算法密钥安全性的方法。研究结果表明,加密和解密过程的处理时间呈线性正比关系。它表示密钥的较长字符;加密和解密密钥所需的时间越长。同时,该方法比现有的Playfair密码算法的密钥安全性更快。实验结果表明,所提出的密钥安全算法具有较强的雪崩效应。我们还发现,该密钥不容易被攻击者进行暴力破解。
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引用次数: 9
Modelling of the Prophet Mosque in Virtual Reality 先知清真寺的虚拟现实建模
Mohamad Izani Zainal Abidin, A. Razak
Modernization and urban development have destroyed the original image of some architectural heritage. One example is the Prophet Mosque in Madinah, where, in its current state, has been through many modifications and expansion from the original form that is built by the prophet. As the original form of the mosque presents a significant historic origin and the culture surrounding that era, this project presents an approach to preserve the original form of this heritage using 3D imagery - particularly virtual reality in disseminating its archaeological, historical facts and heritage awareness for the global community. Firstly, we give an over-view of the data acquisition and the 3D reconstruction process of this heritage. Then we present the process of transferring the model into a virtual reality environment for real time navigation experience using a VR headset. This immersive experience for understanding and adding knowledge on the history of this important heritage is the main the contribution of this research and the model itself in 3D form can later be used by other scholars, researchers and many more for academic and/or public purposes.
现代化和城市发展破坏了一些建筑遗产的原有形象。一个例子是麦地那的先知清真寺,在它目前的状态下,已经从先知建造的原始形式经过了许多修改和扩建。由于清真寺的原始形式呈现了重要的历史起源和围绕那个时代的文化,该项目提出了一种使用3D图像保护该遗产原始形式的方法-特别是虚拟现实,以传播其考古,历史事实和全球社区的遗产意识。首先,我们概述了该遗产的数据采集和三维重建过程。然后,我们给出了将模型转移到虚拟现实环境中使用VR头显进行实时导航体验的过程。这种身临其境的体验有助于理解和增加关于这一重要遗产的历史知识,这是本研究的主要贡献,3D形式的模型本身可以被其他学者、研究人员以及更多的学术和/或公共目的使用。
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引用次数: 3
BookCeption BookCeption
A. Khanom, Sheikh Mastura Farzana, Tahsinur Rahman, I. Mobin
BookCeption is a web-based book recommendation system that allows readers to browse and buy books across multiple platforms at the most affordable price. It fetches data from E-commerce sites like Barnes and Nobles, Amazon, eBay along with Facebook pages and retail bookstore websites. It is a unique book recommender that uses Machine Learning techniques to recommend books as well as offers from other platforms to the registered users. This paper introduces the architecture of the proposed framework, which integrates the book recommendation system with a platform for buying books. For the book recommender discussed here, four different recommendation techniques were used- SVD, Co-clustering, NMF and Deep Learning to determine the best one for the framework. In terms of computational training time, Co-clustering works best with a time of 5.21 minutes and RMSE value of 0.868. However, on the basis of RMSE value, Deep Learning Embedding Model works best with RMSE value of 0.7599 in 8.06 minutes when the number of epochs and the batch size are 20 and 200 respectively.
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引用次数: 1
期刊
Proceedings of the 2019 8th International Conference on Software and Computer Applications
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