Paul Pocatilu

Paul Pocatilu
Bucharest Academy of Economic Studies | ASE

PhD

About

87
Publications
32,351
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587
Citations
Citations since 2017
7 Research Items
226 Citations
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2017201820192020202120222023010203040

Publications

Publications (87)
Chapter
Distributed ledger technology (DLT) and blockchain are very popular these days, especially due to the cryptocurrencies like Bitcoin, Ethereum, Dogecoin, and others. To better understand these cryptocurrencies and the related transactions, it is important to know how these technologies work and how secure they are. This paper presents the concepts,...
Article
Full-text available
Mobile devices and applications are very popular worldwide. Android and iOS dominate the mobile operating systems market. Most of the mobile applications connect to external servers that process and store users’ data. These systems are exposed to malicious attacks and the developers should be always concerned about the applications and data securit...
Conference Paper
Full-text available
Nowadays, the number of cars and drivers has increased significantly. This has an important impact for areas like traffic safety, insurances, taxes etc. Also, vehicles are no longer independent mechanical entities because we reached the days when everything can be connected to the Internet, and the automotive industry has already foreseen the advan...
Book
Lucrarea Programarea aplicatiilor Android analizeaza modelul de programare specific aplicatiilor destinate platformei mobile Android. In cadrul lucrarii sunt prezentate detaliat componentele caracteristice platformei Android: activitati, mesaje, furnizori de continut, receptori de mesaje si servicii. Pe lânga acestea, sunt abordate aspecte precum:...
Article
Full-text available
The mobile applications environment has a multitude of particularities generated by the complex system of devices, hardware, and software profiles and categories of users. The mobile industry has also evolved rapidly in the last 5 years from single-core mobile platforms to multiple-core mobile application platforms, able to compete in terms of user...
Article
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As in any domain that involves the use of software, the library information systems take advantages of cloud computing. The paper highlights the main aspect of cloud based systems, describing some public solutions provided by the most important players on the market. Topics related to content security in cloud based services are tackled in order to...
Article
Prevention actions (trainings, audits) and inspections (tests, validations, code reviews) are the crucial factors in achieving a high quality level for any software application simply because low investments in this area are leading to significant expenses in terms of corrective actions needed for defect fixing. Mobile applications testing involves...
Article
The mobile market development has a high impact on all domains including education. Smart mobile devices started to be affordable and the massive use on educational processes does not seem to be too far. Mobile learning applications are be targeted for all major mobile operating systems as native applications or Web-based. The objective of this pap...
Article
Full-text available
The paper analyses the economic impact of implementing cloud computing technology and computer clusters to provide educational services. Our study conducts a SWOT analysis on a real scenario in which a standard university IT infrastructure is moved into cloud. The paper describes the impact of this new technology on current and future educational s...
Article
Full-text available
This paper presents the necessity and the benefits of using smart solutions in educational systems. The current stage of our society involves the development of educational systems through a collaborative learning environmentthat includes mobile devices, wireless technologies, cloud computing, and other smart solutions. The continuous improvement o...
Article
Full-text available
Cloud data storage is an option available almost on any mobile platform. Nowadays, there are multiple solutions for syncing data in mobile applications. The aim of the paper is to analyze mobile application developers’ possibilities for syncing content using major free cloud storage providers. The paper describes the cloud computing in mobile conte...
Article
Software testing is an important process that helps to develop high quality software. This process is more time consuming when applied to control systems. This involves the use of several testing strategies, techniques and methodologies. At the module level one of test technique is to assure as much as possible code coverage. This is accomplished u...
Article
Test data generation is an important process for software testing and code analysis. The efficiency of a test data generator is crucial for very complex projects in terms of speed, effort and duration. There are different types of input data that a generator could provide and different ways to implement these automated generators for test data. In...
Article
Full-text available
The work leads to an original approach to the construction of collaborative systems metrics. The approach is based both on research already conducted by the author, on the experimental results obtained, and the foundation taken from the specific literature. The collaborative systems in knowledgebased economy are formalized and their characteristics...
Article
Almost all mobile applications use persistency for their data. A common way for complex mobile applications is to store data in local relational databases. Almost all major mobile platforms include a relational database engine. These databases engines expose specific API (Application Programming Interface) to be used by mobile applications develope...
Article
Full-text available
Mobile learning technologies have a huge potential in bringing more efficiency to the learning process. In the last decade the usefulness of mobile technologies for many fields of activity has been emphasized. This paper intends to analyze the behavior of a student population from both the undergraduate and the graduate level with regards to mobile...
Article
Full-text available
The paper focus on the main key points related to the IT security project management. The most important lifecycle stages are identified: IT security project proposal definition, project organization, project planning, quality planning, project team organization, IT security project activities management and project closing. The most important succ...
Conference Paper
This paper reveal specific quality characteristics of mobile learning applications developed for assisting the collaborative learning process inside virtual organizations. The features of virtual organizations are analyzed and their collaborative character is presented, in order to identify their advantages compared with the classical organizations...
Article
Full-text available
The e-learning applications of today require a special focus on security. Distributed e-learning applications have several modules user can access using different clients (desktop or mobile). The same user has several accounts with different credentials. In this context, the SSO (Single Sign-On) solutions become very attractive since the user has t...
Article
Full-text available
The use of modern solutions specific to contemporary society, together with stakeholders’ involvement, will lead to a substantial increase in the practice-oriented approach of the teaching process. The objective of this paper is to present directions for the implementation of modern teaching solutions in the economic higher education. It highlights...
Conference Paper
Full-text available
Education processes have evolved in the last decades by integrating new technology. The m-learning field has been defined new educational services that deliver knowledge and content on mobile devices, highlighting a dreamed educational concept, anywhere, anytime. Many m-learning services use SMS to deliver simple text content because it has a low c...
Article
The use of smartphones worldwide is growing very fast and also the malicious attacks have increased. The mobile security applications development keeps the pace with this trend. The paper presents the vulnerabilities of mobile applications. The Android applications and devices are analyzed through the security perspective. The usage of restricted A...
Conference Paper
The paper analyzes the resource availability of mobile learning applications databases, by identifying database vulnerabilities and determining the databases availability. There are described collaborative integrated systems for resources management inside m-learning applications. Metrics are built for analyzing the security level of m-learning app...
Article
This paper analyzes the role of intelligent agents in collaborative systems and their use in the banking information systems. The Collaborative Multicash Servicedesk application is presented, seen as an intelligent banking system and being optimized for mobile access. A real data analysis is performed in order to determine which are the most freque...
Article
Full-text available
WiMAX technology is the only solution for isolated locations where e-learning distributed platforms need to be used. This paper focuses on security issues for e-learning solutions, especially when WiMAX technology is used.
Article
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WiMAX (Worldwide Interoperability for Microwave Access) is a point-to-multipoint wireless network based on IEEE 802.16 standard. The WiMAX signal is broadcasted from a base station to the wide-geographically spread receivers. WiMAX enabled mobile devices become very popular due to the fact the network connections can be easily maintained on move. R...
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This article deals with the impact of employing cloud computing architectures in the field of software systems development. We analyze the individual influence of the cloud computing model characteristics on the project development process.
Article
As with rapid growth of the cloud computing architecture usage, more and more industries move their focus from investing into processing power to renting processing power from a specialized vendor. Education field is no different. E-learning systems usually require many hardware and software resources. There are numerous educational institutions th...
Article
Full-text available
Mobile learning systems are presented as distributed systems containing next generation educational tools for remote education. The paper describes mobile applications and their role in the learning process. The quality characteristics of distributed mobile learning systems are presented. The security, that is very important for this type of applic...
Article
While mobile learning (m-learning) applications have proven their value in educational activities, there is a need to measure their reliability, accessibility and further more their trustworthiness. Mobile devices are far more vulnerable then classic computers and present inconvenient interfaces due to their size, hardware limitations and their mob...
Article
Full-text available
E-learning systems usually require many hardware and software resources. There are many educational institutions that cannot afford such investments, and cloud computing is the best solution. This paper presents the impact on using cloud computing for e-learning solutions.
Article
The evolution of today's mobile devices increases the number of mobile applications developed, and among them the mobile learning applications. Mobile hardware and software platforms allow running of faster and richer applications. This paper presents the main steps in development of a distributed mobile learning application for Android. The c...
Article
Full-text available
The educational process is a complex service which involves a producer and a consumer. Its complexity increases when mobile platforms are used due their diversity and particularities. In order to have a high quality educational process when using mobile technologies, a continuous quality management process needs to take place at several levels. The...
Article
This paper analyses the specifics of m-applications development projects. Even though m-application development projects have their particular features and need customized approaches, still we find that legacy and proven best practices project management techniques can be successfully employed. We present two proven software project management tech...
Article
The grand majority of software development projects are known to be late and over the budget. Several surveys performed during the last 15 years expose a relatively poor performance in delivering successful software projects. Most of the projects hit schedule and budget overruns of 25% to 100% and sometimes even more. Even though m-applications dev...
Article
Using metrics and indicators for the evaluation of the IT projects management have the advantage of providing rigorous details about the required effort and the boundaries of the IT deliverables. There are some disadvantages, as well, due to the fact the input data contains errors and the value of metrics depends on the quality of data used in mode...
Article
Software testing is an activity whose costs are very high. Manual testing involves a lot of effort, measured in person per month. Using automated testing, with specific tools, this effort can be dramatically reduced and the costs related with testing can decrease. The development costs can be reduced using open source software testing tools. Also,...
Article
Full-text available
Mobile technologies are developing very fast. This paper presents a survey on multimedia technologies for mobile learning applications, focusing on multimedia programming techniques for Windows Mobile, Symbian, and Java ME.
Article
Today, mobile applications have a wide use and their development is growing fast. Testing mobile applications is an important aspect of their development, keeping in mind the importance of these applications and their specific characteristics. In this paper are shown the main aspects of testing the mobile applications, focusing on unit testing of J...
Article
Using Web services in developing applications has many advantages like the existence of standards, multiple software platforms that support them, and many areas of usage. These advantages derive from the XML and Web technologies. This paper describes the stages in the development of a Web service client for Java ME platform and presents examples ba...
Article
Included is research that contributes to raising the quality of programs written in C/C++. Empirical testing was tackled. The empirical nature is characterized by the partial quality of its elements, the absence of systematic behavior in the process and the idea of random attempts at program behavior. Empirical testing methods are used the program...
Article
The management of project portfolio in a company requires the use of specific software, especially when the number of projects is significant. This paper is based on the Methodology for the development of IT projects portfolio management applications research project. This paper presents some of the results of a project portfolio application design...
Article
Many software and IT projects fail in completing theirs objectives because different causes of which the management of the projects has a high weight. In order to have successfully projects, lessons learned have to be used, historical data to be collected and metrics and indicators have to be computed and used to compare them with past projects and...
Article
Many IT companies are running project simultaneously. In order to achieve the best results, they have to group to the project in portfolios, and to use specific software that helps to manage them. Project portfolio management applications have a high degree of complexity and they are very important for the companies that are using it. This paper fo...
Article
Full-text available
An important factor for the success management of IT projects is the human resource. People involved in the project management process have to be evaluated. In order to do that, same criteria has to be specified. This paper describes some aspects regarding the personnel evaluation.
Article
In order to design a methodology for the development of project portfolio management (PPM) applications, the existing applications have to be studied. This paper describes the main characteristics of the leading project portfolio management software applications.
Conference Paper
Rezumat. Dezvoltarea regională reprezintă un nou mod de abordare a proceselor economico-sociale în perioada actuală. Practica a arătat că evoluţia durabilă este caracteristică unor structuri organizaţionale pentru care managementul deţine un grad ridicat de eficacitate. Pentru accederea la fonduri destinate finanţării unor obiective majore specific...
Article
Full-text available
In this paper are presented concepts and theories about electronic signature, secure communications, encrypting algorithms. Also it is expose the SSFTP Application – Secure Socket File Transport Protocol – and the principal rules and steps that have to be followed by the end-user and the developers of secure applications.
Article
Developing e-business applications involve many costs that have to be known before the beginning of this process. Software reliability is an important characteristic of the software quality. Software reliability is clearly shown after a software application has been released. The paper presents the role of software testing in increasing the reliabi...
Article
Business Intelligence (BI) has become very much commoditized nowadays. The big players on the BI scene are now trying to get an edge by offering packaged complete BI solutions that include source to target mappings and ETL processes, metadata modeling and end user BI objects such as dashboards, scorecards, cubes and reports. This article will defin...
Article
Many software and IT projects fail or succeed in achieving theirs objectives because dif-ferent causes of which the management of the projects has a high weight. In order to have suc-cessfully projects, lessons learned have to be used, historical data to be collected and metrics and indicators have to be computed and used to compare them with past...

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