Computer Engineering Commons^™

Cloud Oriented Additive Technology Use For Fast Prototype Development, Betim Shabani, Vladimir Dukovski

UBT International Conference

Digitalization has already affected every segment of the industry and especially manufacturing. Based on market requires that are more specific and faster than ever, there is a need to use some of the online platform packages called Cloud Manufacturing (CM). CM operate through the digital data then here comes the expression CAD models or in particular STL files that are currently adequate for Additive Technologies (AT). On the other hand, there is a rapid increase in the measurement aspects via non-contact forms (3D scanners) where their data are stored in various digital formats: IGES, OBJ, PLY, etc.). Those formats can …

Multithreading Technique Improvement In Processing Client Server Communication By Utilizing Object Oriented Language, Eda Tabaku, Kliv Shapllo, Senada Bushati

UBT International Conference

A comparison of an application’s performance, when a program is executed through multiple threads and only a thread to complete a specified task by using Java techniques. In this paper will be expounded how a Java programmer can profit by technology facilities. How to create a program that executes in a parallel way, that solves independent tasks not one after the other, but all at the same time. The application that is developed(the environment used is Eclipse) aims to speed up the time needed to download images from a specific website, but it is flexible for downloading images also from …

Performance Analysis Of Java Persistence Api Providers, Besart Pllana

UBT International Conference

Nowadays, fast and accurate access to data is very important. Usually data is managed and processed through software applications. In recent years, the most preferred programming model by most application developers is Object Oriented Programming (OOP) where data is represented through objects. These data must be persistent and therefore needs to be stored, and storage can be done on a variety of databases. The most common databases are Relational Database Management Systems (RDBMS). While persistence of objects in RDBMS is limited by object-relational mismatch which is the inconsistency of the direct interaction between two components based on different approaches, OOP …

The Importance Of Cad/Cae Systems In Development Of Product Design And Process Of Optimization, Fatmir Azemi, Xhemajl Mehmeti, Bekim Maloku

UBT International Conference

Computer Aided Design (CAD) and Computer Aided Engineering (CAE) are the most important technology tools that today designers are using in development of product (design and in process of optimization). Thus, this study is carried out to present the importance of CAD/CAE system on process of design and process of optimization of spur gear. The paper presents the usage of CAD system for modeling parts and CAE software for analysis of stress-strain of spur gear and the results of calculation of pair spur-gears that it used in the gearbox transmission of the bucket wheel excavator located in “Bardhi i Madh …

The Moving Object Reflected Under Matlab Test-Bench (Simulation Model Through Buit-In Functions), Virtyt Lesha, Jozef Bushati, Dea Strica

UBT International Conference

Digital image processing is an area that finds many applications in three-dimensional graphics. One of the subjects considered in image processing is detection of moving objects. In this paper, we have analyzed the performance of an algorithm that detects a moving object. The performance relates to the speed of moving object during a pre-determined time interval. The methodology supports Matlab integrated with built-in functions. Specifically, as input of the simulation model is a video material containing moving objects. The model reads a video file presenting moving objects; after the model is executed in Matlab, the output emits moving objects associated …

Designing A Controller Via Simulated Annealing, Zemerart Asani, Selvet Rexhepi

UBT International Conference

With Proportional-Integral-Derivative (PID) controllers being widely used in industry for optimum solutions. Optimization of the PID controller is an important problem in Control Engineering. Therefore, in this paper work we have implemented Simulated Annealing to tune the controller parameters. Optimizing the controller parameters on the basis of the Simulated Annealing algorithm, based on criteria defined using an objective function, allows us to find optimal solutions for the controller parameters that give us minimum error. In terms of performance, the PID controller designed with Simulated Annealing gives us great results with regard to the rise time, settling time, overshoot and steady-state …

Review Of Cloud Migration Strategies And Providers – An Iaas Migration Strategy, Florinda Imeri, Agon Memeti

UBT International Conference

Companies are addressing the Cloud Computing issue more actively recently, as a part of a move towards a more agile and flexible IT infrastructure since benefitting from an IT infrastructure that is flexible, scalable, high-performance and up-to-date is no longer a luxury or the exception to a rule. The issue they address is “Which is the best strategy?” Of course, this is not a simple issue given that the cloud can impact an organization’s application picture across several dimensions. When an organizations made the decision to consider cloud services for its application or infrastructure deployment, it’s important to understand the …

Nb-Iot: A Network Slice For Massive Iot, Xhafer Krasniqi

UBT International Conference

Network virtualisation is a concept that has been around for some time now, but the concept of network slicing is more recent and only started to be mentioned in the context of 5G. In essence, network slicing is a specific form of network virtualisation that enables sharing of physical resources by multiple logical network slices used to serve different applications and use cases. One such a use case would be to allocate network resources to small things, e.g. sensors and very low power consumption objects. To allow these small objects access to network resources or to a slice of such …

Simulation Based Optimisation Of Ground Crews: Case Of A Regional Airport, Blaz Rodic, Alenka Baggia

UBT International Conference

Paper presents the simulation models built within an airport ground crew scheduling automatization project at a regional airport. Our goal was to develop robust ground crew task scheduling and shift generation algorithms that would improve on existing heuristic rules. We have utilized simulation modeling to develop and validate the algorithms, starting with a model of the existing scheduling process coded and visualized in spreadsheet software and ending with a hybrid Discrete Event and Agent Based model used for the visualization and verification of the optimized processes. Explicit and tacit expert knowledge was recorded through meetings with airport personnel managers and …

Efficiency Of Calculating Gcd Through Computer With Help Of Modified Euclidean Algorithm, Emin Emini, Azir Jusufi, Ruhada Emini

UBT International Conference

Euclid’s algorithm remains to be the most efficient method for finding greatest common divisor of two full numbers. By using the meaning of congruences this research paper will make a modification in the note of the Euclid’s algorithm. Here are discussed both classic and modified methods, by putting appropriate codes and observe the duration of the calculation through the computer.

An Implementation Of Weighted Least Squares Method In Central Bank Twitter Accounts Grew Prediction, Goran Bjelobaba, Ana Savic, Radosav Veselinovic, Hana Stefanovic

UBT International Conference

This paper presents some advantages of using social media and social networks as an efficient way of Central Banks communication with target audience. The statistics given in this paper presents some leading banks based on number of followers on Twitter in 2018, showing that Indonesia’s Central Bank has more Twitter followers than any other monetary authority, beating out the Banco de Mexico, Federal Reserve, European Central Bank and Reserve Bank of India. In this paper some prediction of number of Twitter followers in Central Bank communication is also contributed, based on Weighted Least Squares method. An algorithm is implemented in …

Technology Mediated Nudging In A Mobile Health Context, My Zetterholm, Päivi Jokela, Lina Nilsson

UBT International Conference

According to a vision for eHealth that was launched in 2016 by the Swedish Government, Sweden will be leading the way in using the potential of digitalization and eHealth to help people achieve a good and equal health. To achieve this vision, we argue that initiatives in eHealth need to augment the traditional health perspective. This implies a more preventive approach that transforms the health concept to a continuous participative process over the life course. A stronger emphasis is needed to develop high quality mobile and web based systems in order to empower people to pursue a healthy lifestyle. A …

Combining Cryptographic Primitives According To Security Metrics And Vulnerabilities In Real Systems, Blerina Çeliku, Rafail Prodani, Emis Simo

UBT International Conference

There are so many applications and data that flow during our daily activities, either personal or institutional ones. Also the companies and business do transactions or their real operations through the Web and other Internet facilities. Security breaches are costing individuals or companies millions so information security has to be a major priority. There are several forms of security technology available, but encryption is one that everyday computer users should know about. Encryption and the performance of cryptographic algorithms are variable according to implemented platforms, software and hardware components or application scenarios. According to specific security metrics and requirements we …

Smia: Improving Kosovo's Education Management System, Lazar Adjijgogov, Dejan Stamenov, Edmond Jajaga

UBT International Conference

Successful management of today’s education systems requires effective policy-making and system monitoring through data and information. To this end, countries around the world have invested significant resources into collecting, processing, and managing more and better data through education management information systems (EMIS). SMIA is a modern EMIS, which offers easier management of educational process in Kosovo. It facilitates decision-making, resource planning, strategy building, monitoring and evaluation of educational system through a rich set of analytical and statistical tools. For over six years of activity, the system has efficiently tracked and thus helped the development of the educational process for every …

Research On System Communication By Using Unified Registry Model & Elements, Kujtim Gashi, Atdhe Buja, Fatos Idrizi

UBT International Conference

Trends of Development of Information Society in the Republic of Kosovo must fit the criteria and standards of the EU. The main objective of the paper is the identification of individual IT systems used by the Republic of Kosovo public institutions related to the trade and working out analysis and recommendations for optimizing their communication (interoperability), eventual unification in the hardware & software level and increase the efficiency of the entire economic system information. The analytical analysis outlined these points, as it follows: current technologies used by public administration of the Republic of Kosovo, risk analysis, analysis of data structures …

Computer Science: Application Of Technology/Iot In Hydropower Dams, Orjola Jaupi

UBT International Conference

As time passes by, we barely see how much time it costs people to stay at work, fixing problems that happen every day. As people we should do more about humanity and technology is the door that opens opportunities for us to do this. Technology today is transforming every human daily life routine and it’s only the beginning of what technology can bring. By 2020 we know that technology will connect the unconnected by introducing the real idea of Internet of Things. Every little, tiny thing all over the world will be connected, but also big and important projects like …

Characteristics And Temporal Behavior Of Internet Backbone Traffic, Artan Salihu, Muharrem Shefkiu, Arianit Maraj

UBT International Conference

With the rapid increase demand for data usage, Internet has become complex and harder to analyze. Characterizing the Internet traffic might reveal information that are important for Network Operators to formulate policy decisions, develop techniques to detect network anomalies, help better provision network resources (capacity, buffers) and use workload characteristics for simulations (typical packet sizes, flow durations, common protocols).

In this paper, using passive monitoring and measurements, we show collected data traffic at Internet backbone routers. First, we reveal main observations on patterns and characteristics of this dataset including packet sizes, traffic volume for inter and intra domain and protocol …

Review Of Artificial Intelligence Development, Its Impact And Its Challenges, Litvane Spahija, Festim Halili

UBT International Conference

The field of Artificial Intelligence, which started roughly half a century ago, has a turbulent history. In the 1980s there has been a major paradigm shift towards embodiment. While embodied artificial intelligence is still highly diverse, changing, and far from “theoretically stable”, a certain consensus about the important issues and methods has been achieved or is rapidly emerging. In this paper we briefly characterize the field, summarize its achievements, and identify important issues for future research.

With the popularization of the Internet, permeation of sensor networks, emergence of big data, increase in size of the information community, and interlinking and …

Study Of The Power Consumption Of Pseudo Random Bit Generator Circuits Implemented On Fpga, Galia Marinova

UBT International Conference

Pseudo Random Bit and Number Generator (PRB/NG) circuits being very widely used for security, compressive sensing and diverse other applications in telecommunications are studies in different aspects in the laboratory of Computer-aided Design in Telecommunications in Technical University-Sofia. Some results of this study are published in [1] where tests for randomness from the National Institute of Standards and Technology (NIST) suit are applied on commonly used PRB/NGs. Other aspects of the PRB/NG circuits study is their power consumption in the aim of green communications as noticed in [2,3] and the concern about low power consuming devices for Internet of Things’ …

A Critical Overview Of Data Mining For Business Applications, George Telonis, Peter P. Groumpos

UBT International Conference

Everybody looks to a world that does not remain the same. Furthermore no one can deny that the world is changing, and changing very fast.

Technology, education, science, environment, health, communicating habits, entertainment, eating habits, dress - there is hardly anything in life that is not changing. Some changes we like, while others create fear and anxiety around us. Everywhere there is a feeling of insecurity.

What will happen to us tomorrow, or what will happen to our children, are questions we keep frequently asking. One thing, however, is clear.

It is no more possible to live in the way …

Decision Making Based On Data Analyses Using Data Warehouses, Valdrin Haxhiu

UBT International Conference

Data warehouses are a collection of several databases, whose goal is to help different companies and corporations make important decisions about their activities. These decisions are taken from the analyses that are made to the data within the data warehouse. These data are taken from data that companies and corporations collect on daily basis from their branches that may be located in different cities, regions, states and continents. Data that are entered to data warehouses are historical data and they represent that part of data that is important for making decisions. These data go under a transformation process in order …

Mobile Cloud Computing: A New Way Of Cloud Computing, Festim Halili, Verda Misimi, Rilinda Iseini, Mirije Salihi

UBT International Conference

Cloud Computing seems to be the most promising technology of the century we are living. It provides a new manner of sharing distributed resources and services that may be part of different organizations, geographically located in different places and different time zones. Mobile Cloud Computing offers partially the same functionality, with the only additional requirement that, at least, some of the devices are mobile. In this paper, we will try to provide a detailed explanation of Mobile Cloud Computing concept by providing different examples, figures and charts showing usage, accessibility, pros and cons and comparison of different cloud platforms.

Permission-Based Privacy Analysis For Android Applications, Erza Gashi, Zhilbert Tafa

UBT International Conference

While Information and Communication Technology (ICT) trends are moving towards the Internet of Things (IoT), mobile applications are becoming more and more popular. Mostly due to their pervasiveness and the level of interaction with the users, along with the great number of advantages, the mobile applications bring up a great number of privacy related issues as well. These platforms can gather our very sensitive private data by only granting them a list of permissions during the installation process. Additionally, most of the users can find it difficult, or even useless, to analyze system permissions. Thus, their guess of app’s safety …

Analysis Of Central Banks Platforms On Social Networks, Goran Bjelobaba, Ana Savic, Hana Stefanovic

UBT International Conference

The paper describes the advantages of using technical and technological achievements through the social networks and their implementation in Central Banks communication. A study of some Central Banks on their use of social media and some of the most popular social networks are given, showing that social media is becoming an important medium of communication for Central Banks around the world. The study shows that a majority of Central Banks use Twitter to send alerts for information already disseminated through the website, even as they are not very active in responding to public tweets, and also shows an increasing number …

Development And Improvement Of The Quality Of The Mobile Services At The Mobile Market In Macedonia, Arsov Boris, Trajkovski Vasko, Sherifi Vergim

UBT International Conference

To determine the strategic direction for the development of electronic communications market in the part of mobile telecommunication services in Republic of Macedonia, the Agency for electronic communication has made an assessment of the regulatory progress and that has been made in recent years. The needs are in order to obtain a clear strategy for the development of the mobile telecommunication market in Macedonia, and primarily will create a clear picture in the: technical, financial, operational and competitive segments. Republic of Macedonia at this moment has 2 mobile operators with own network and the third mobile virtual operator. They are …

A Need For An Integrative Security Model For Semantic Stream Reasoning Systems, Admirim Aliti, Edmond Jajaga, Kozeta Sevrani

UBT International Conference

State-of-the-art security frameworks have been extensively addressing security issues for web resources, agents and services in the Semantic Web. The provision of Stream Reasoning as a new area spanning Semantic Web and Data Stream Management Systems has eventually opened up new challenges. Namely, their decentralized nature, the metadata descriptions, the number of users, agents, and services, make securing Stream Reasoning systems difficult to handle. Thus, there is an inherent need of developing new security models which will handle security and automate security mechanisms to a more autonomous system that supports complex and dynamic relationships between data, clients and service providers. …

Emerging Role Of Robot-Assisted Occupational Therapy For Children With Down Syndrome, Venera Krasniqi, Nevena Ackovska, Katerina Zdravkova

UBT International Conference

Robotic technology is becoming increasingly popular as a platform for both education and entertainment. It also provides us with new conceptual directions which might have incredibly positive impact on children with physical growth delays and intellectual disabilities. In this research project, the educational robot Roamer Too from Valiant Technologies has been used to explore the development of social skills of children with Down syndrome. In conjunction with an interactive collaborative environment, this device represents a unique opportunity for these children to fully engage in learning, play, communication, build relationships and have fun. The results of this study indicate that educational …

State Feedback Of Complex Systems Using Fuzzy Cognitive Maps, Vassiliki Mpelogianni, Ioannis Arvanitakis, Peter P. Groumpos

UBT International Conference

Complex systems have become a research area with increasing interest over the last years. The emergence of new technologies, the increase in computational power with reduced resources and cost, the integration of the physical world with computer based systems has created the possibility of significantly improving the quality of life of humans. While a significant degree of automation within these systems exists and has been provided in the past decade with examples of the smart homes and energy efficient buildings, a paradigm shift towards autonomy has been noted. The need for autonomy requires the extraction of a model; while a …

Development Trends In Robotics, Peter Kopacek

UBT International Conference

Robots are always a frequently used as an example for Mechatronic Systems. Currently the field of robotics is very fast growing. Therefore the overview is definitely not actual and have to be improved. The main goal of this contribution is to make some additional remarks to the existing kinds of robots and introduce some new with special emphasis to Mechatronic Systems like manufacturing automation by Production 4.0.

Maturity Level Of Kosovo Manufacturing Industry With Regard To Industry 4.0, Fatmir Azemi, Edmond Hajrizi, Bekim Maloku

UBT International Conference

In this paper the concept of Maturity Level of Kosovo Industry will be presented according to the Industry 4.0. Digitalization of factory has impact the entire business environment and lead to Smart Enterprises. To create a model of Smart Factory, first we have analyzed the existing situation of Kosovo Manufacturing Industry with regard to revolution of Industry. In this paper we will describe the results of a recent research at the Kosovo manufacturing companies and are included metalworking and furniture industry, where is developed a Maturity Level for Kosovo Industry. To describe the Maturity Level of Kosovo Industry we have …