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An Ecological View on Software Reuse 软件重用的生态学观点
Informatica economica Pub Date : 2018-09-30 DOI: 10.12948/issn14531305/22.3.2018.07
Laura-Diana Radu
{"title":"An Ecological View on Software Reuse","authors":"Laura-Diana Radu","doi":"10.12948/issn14531305/22.3.2018.07","DOIUrl":"https://doi.org/10.12948/issn14531305/22.3.2018.07","url":null,"abstract":"The increase of consumption is an important motivation for the reuse of either physical or virtual products. As the software market has risen, software reuse has become a practice with favourable effects for software development companies and their clients. The most important benefits are increased productivity, reduced costs, better and easier maintenance, decreased development lead times and the improved quality of software products. Successful reuse depends on several technical and non-technical factors. The ecological impact of software is an important non-technical factor of software reuse that needs to be analysed in the context of the rapid evolution of optimization techniques. The main goal of this study is to identify ecological perspectives on software reuse. These will complete the framework of software reuse together with other technical factors, such as compatibility, and non-technical factors, such as economic and ethical implications.","PeriodicalId":53248,"journal":{"name":"Informatica economica","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90108398","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
Comparing Online Social Networks Ties as Tool for Entrepreneurial Learning Readiness in Small Economies 比较在线社会网络关系作为小型经济体创业学习准备的工具
Informatica economica Pub Date : 2018-09-30 DOI: 10.12948/ISSN14531305/22.3.2018.06
O. Sula, T. Elenurm
{"title":"Comparing Online Social Networks Ties as Tool for Entrepreneurial Learning Readiness in Small Economies","authors":"O. Sula, T. Elenurm","doi":"10.12948/ISSN14531305/22.3.2018.06","DOIUrl":"https://doi.org/10.12948/ISSN14531305/22.3.2018.06","url":null,"abstract":"Online social networks such as Facebook and LinkedIn create the opportunity to expand online and face-to-face ties. Diverse online social network composed by weak and strong ties is essential for the young student entrepreneurs. Online networks off diverse learning and online ex-pertize opportunities to the young student entrepreneur. This paper explores the entrepreneurial learning leverage that young students enrolled in higher education system can get from online ties in small economies through comparing Western Balkan region and more precisely a small developing country such as Albania with a small-developed county such as Estonia. The paper explores how online ties support young student readiness to use online networking platforms for online entrepreneurial learning and entrepreneurial opportunity recognition focusing in online ties established in Facebook and LinkedIn. Further online learning strategies are explored through focus group analysis, blog analysis and interviews with young experienced entrepreneurs. Young students use online ties for entrepreneurial knowledge sharing but there a difference between the Facebook tie and the LinkedIn tie. The study concludes with the suggestion of development of entrepreneurial learning orientation strategies and tools that facilitate the online learning process in both online networks focusing in specific online tie that is the group tie.","PeriodicalId":53248,"journal":{"name":"Informatica economica","volume":"42 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73885533","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
Enriching Curricula with Mobile Solutions 用移动解决方案丰富课程
Informatica economica Pub Date : 2018-09-30 DOI: 10.12948/ISSN14531305/22.3.2018.04
Dinu Mihail-Văduva
{"title":"Enriching Curricula with Mobile Solutions","authors":"Dinu Mihail-Văduva","doi":"10.12948/ISSN14531305/22.3.2018.04","DOIUrl":"https://doi.org/10.12948/ISSN14531305/22.3.2018.04","url":null,"abstract":"The most enduring appeal of a mobile learning application is to enrich a curriculum regardless a specific domain of study. Mobile technology is a very versatile industry with quick connection to any untethered requirements coming from the realm of teaching activities. This article is dedicated to transfer a general understanding of concepts linked to a statistics course wrapped with a good knowledge and practice about programming languages used in mobile devices. For this objective we are starting a quest for finding relevant references through scientific articles regarding the main practically intertwined features between statistics, programming languages and teaching activities. We are trying to show that developing an Android mobile application is a practical solution that, in a simultaneously way, helps teachers to do a better teaching and evaluating activities and, besides that, speaking about students, we explain that reading, understanding and solving specific issues is a key target. We find that scientific community involved into m-learning subject is convinced that a higher exam scores is obtained, against traditional methods of doing lessons, when an evaluation regarding learning activity occurs. This paper contains the salient facts about creating an Android mobile application considering basic concepts taken from econometrics.","PeriodicalId":53248,"journal":{"name":"Informatica economica","volume":"11 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83398455","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
The Quality Trading Coefficient. General Formula to Qualify a Trade and a Trading Methodology 质量贸易系数。限定交易的一般公式和交易方法
Informatica economica Pub Date : 2018-07-01 DOI: 10.12948/issn14531305/22.3.2018.09
Cristian Păuna
{"title":"The Quality Trading Coefficient. General Formula to Qualify a Trade and a Trading Methodology","authors":"Cristian Păuna","doi":"10.12948/issn14531305/22.3.2018.09","DOIUrl":"https://doi.org/10.12948/issn14531305/22.3.2018.09","url":null,"abstract":"Trading the financial markets is a wide activity nowadays. There are several indicators to measure this activity. The drawdown, the profit factor and the trading efficiency are some of them. This paper will present a different one: the quality trading coefficient. The new formula will indicate several particular aspects originating from the human psychological emotions and fears during transactions on the way to make profit. If the trade was fast and the price moved continuous to the profit target level, the quality trading coefficient will have a positive value close to one. When most of the time the trading position was on loss and the profit was made on the last part of the trade time, the coefficient will have a positive value more close to zero. If the trade is closed on losses, the coefficient will have a negative value tends to minus one if the market goes against the direction of the trade on the entire interval. Measuring this coefficient for all trades made with a trading strategy we can compare and categorize the strategies for any market and for any time interval. The quality trading coefficient became a new optimization criterion for the trading strategies used in automated trading systems.","PeriodicalId":53248,"journal":{"name":"Informatica economica","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80473476","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
Augmented Reality Uses in Interior Design 增强现实在室内设计中的应用
Informatica economica Pub Date : 2018-07-01 DOI: 10.12948/ISSN14531305/22.3.2018.01
Mihai Sandu, Ileana Simona Scarlat
{"title":"Augmented Reality Uses in Interior Design","authors":"Mihai Sandu, Ileana Simona Scarlat","doi":"10.12948/ISSN14531305/22.3.2018.01","DOIUrl":"https://doi.org/10.12948/ISSN14531305/22.3.2018.01","url":null,"abstract":"Increasingly, interior design retailers rely on online stores to reach their customers as more and more people are connected to the internet. One of the issue in online shopping is that customers cannot visualize how new furniture pieces would blend in their home, but that is not the case anymore as Augmented Reality (AR) becomes more mainstream. This paper analyses several AR applications used in the interior design and highlights their pros and cons. Based on this analysis, we propose an AR application that solves most of the current issues of the interior spaces design.","PeriodicalId":53248,"journal":{"name":"Informatica economica","volume":"23 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78173571","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: 11
The Key Success Factors for an M-Learning Cryptocurrency Application 移动学习加密货币应用的关键成功因素
Informatica economica Pub Date : 2018-06-30 DOI: 10.12948/issn14531305/22.2.2018.02
Octavian Dospinescu, Miruna Elena Caramangiu
{"title":"The Key Success Factors for an M-Learning Cryptocurrency Application","authors":"Octavian Dospinescu, Miruna Elena Caramangiu","doi":"10.12948/issn14531305/22.2.2018.02","DOIUrl":"https://doi.org/10.12948/issn14531305/22.2.2018.02","url":null,"abstract":"The “buzz†surrounding cryptocurrencies in online media last year has led to an increased interest in the topic as a possible source for investments. This paper aims to identify the key success factors for an m-learning cryptocurrency application that explains blockchain technology and cryptocurrencies for non-tech savvy people. The research methodology used for this paper applies the experimental method and probative logic. A survey was conducted among 128 participants, the target population being composed of people who have an interest in cryptocurrencies and who are involved in online crypto communities. The results of the study show that the people who invest in cryptocurrencies are usually those who have a high income and who possess other investment methods as well. When it comes to analyzing the mobile applications success factors, the study revealed that there are no significant differences between people who have cryptocurrency investments and those who do not in ranking mobile apps success factors. Also, besides cryptocurrency training the news and prices are among the most important features of an m-learning cryptocurrency application and on that account such an app must include them. The originality of this study comes from addressing an innovative topic as the research in this field is scarce. Furthermore, this paper raises awareness towards the necessity of educating people on this topic, on the need to research before investing in a specific project.","PeriodicalId":53248,"journal":{"name":"Informatica economica","volume":"256 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72978617","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: 4
Generating Antivirus Evasive Executables Using Code Mutation 使用代码突变生成防病毒规避可执行文件
Informatica economica Pub Date : 2018-06-30 DOI: 10.12948/ISSN14531305/22.2.2018.08
Stefan Nicula
{"title":"Generating Antivirus Evasive Executables Using Code Mutation","authors":"Stefan Nicula","doi":"10.12948/ISSN14531305/22.2.2018.08","DOIUrl":"https://doi.org/10.12948/ISSN14531305/22.2.2018.08","url":null,"abstract":"The paper is focus around developing a utility tool based on a python component and a C++ stub in order to compile executable Windows files that are capable of staying undetected to Antivirus solutions. The research process was focused around Antivirus software's ability to detect a malicious file and methods of bypassing the identified techniques. Dependencies and auxiliary links of the project are defined as inputs from the user as well as support software and frameworks designed to provide malicious payload with listeners and handlers for the generated shellcode. Overall, the utility tool is able to receive shellcode and one encryption key as input and generate malware in the shape of a Windows executable file that is able to successfully run and bypass Antivirus detection.","PeriodicalId":53248,"journal":{"name":"Informatica economica","volume":"5 4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78372805","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
A Smart Approach for E-Learning Domain: The Use of Business Models and Semantic Technologies 电子学习领域的智能方法:商业模型和语义技术的使用
Informatica economica Pub Date : 2018-06-30 DOI: 10.12948/issn14531305/22.2.2018.07
Georgiana STANESCU (NICOLAIE)
{"title":"A Smart Approach for E-Learning Domain: The Use of Business Models and Semantic Technologies","authors":"Georgiana STANESCU (NICOLAIE)","doi":"10.12948/issn14531305/22.2.2018.07","DOIUrl":"https://doi.org/10.12948/issn14531305/22.2.2018.07","url":null,"abstract":"By making a topology of the benefits and disadvantages in e-business, we can see why a business presence in the web environment is better than a traditional one and mentioned the companies that have already begun to introduce technology into their platforms. Analyzing the major semantic technologies and the current state of their use in e-business, I will be able to demonstrate the viability of an e-business model and to discover the areas for which it is opportune to implement a technology. In this article, I will present the ways to use software products and I will mention the most usable and important, which facilitates the integration of business in the web domain.","PeriodicalId":53248,"journal":{"name":"Informatica economica","volume":"48 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81121269","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
New Approaches of NARX-Based Forecasting Model. A Case Study on CHF-RON Exchange Rate 基于narx的预测模型新方法。瑞郎汇率的个案研究
Informatica economica Pub Date : 2018-04-01 DOI: 10.12948/ISSN14531305/22.2.2018.01
C. Cocianu, M. Avramescu
{"title":"New Approaches of NARX-Based Forecasting Model. A Case Study on CHF-RON Exchange Rate","authors":"C. Cocianu, M. Avramescu","doi":"10.12948/ISSN14531305/22.2.2018.01","DOIUrl":"https://doi.org/10.12948/ISSN14531305/22.2.2018.01","url":null,"abstract":"The work reported in the paper focuses on the prediction of the exchange rate of the Swiss Franc-Romanian Leu against the US Dollar-Romanian Leu using the NARX model. We propose two new forecasting methods based on NARX model by considering both additional testing and network retraining in order to improve the generalization capacities of the trained neural network. The forecasting accuracy of the two methods is evaluated in terms of one of the most popular quality measure, namely weighted RMSE error. The comparative analysis together with experimental results and conclusive remarks are reported in the final part of the paper. The performances of the proposed methodologies are evaluated by a long series of tests, the results being very encouraging as compared to similar developments. Based on the conducted experiments, we conclude that both resulted algorithms perform better than the classical one. Moreover, the retraining method in which the network is conserved over time outperforms the one in which only additional testing is used.","PeriodicalId":53248,"journal":{"name":"Informatica economica","volume":"35 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74578912","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: 5
The Influence of Augmented Reality in Construction and Integration into Smart City 增强现实技术在智慧城市建设与融入中的影响
Informatica economica Pub Date : 2018-04-01 DOI: 10.12948/ISSN14531305/22.2.2018.06
Ioan Adăscăliţei, Ion-Costel-Marius Bălţoi
{"title":"The Influence of Augmented Reality in Construction and Integration into Smart City","authors":"Ioan Adăscăliţei, Ion-Costel-Marius Bălţoi","doi":"10.12948/ISSN14531305/22.2.2018.06","DOIUrl":"https://doi.org/10.12948/ISSN14531305/22.2.2018.06","url":null,"abstract":"This paper presents the current state of AR technology applications in the field of construction through some examples already applied in simulation of the organization of utilities networks, simulation of site organization in various stages, simulation of the new urban plan, modeling of building details, interior organization and navigation site and proposes to design of an IT application that integrates these benefits into a unitary application, easy to use by all parties involved in project: project owner, architects, builders, local community and public authorities. The application will be specific to the Android platform and will provide a virtual view of the stages in the construction. It will also run on mobile devices such as smartphones, tablets, or other devices that have a camera, internet connection, and location sensors.","PeriodicalId":53248,"journal":{"name":"Informatica economica","volume":"124 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76550739","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: 10
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