Nebojsa Bojovic

Nebojsa Bojovic
University of Belgrade · Faculty of Transport and Traffic Engineering

Doctor of Philosophy

About

109
Publications
58,424
Reads
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822
Citations
Citations since 2016
39 Research Items
625 Citations
2016201720182019202020212022020406080100120
2016201720182019202020212022020406080100120
2016201720182019202020212022020406080100120
2016201720182019202020212022020406080100120
Additional affiliations
October 2015 - present
University of Belgrade
Position
  • Head of Faculty
October 2014 - October 2015
University of Belgrade-Faculty of Transport and Traffic Engineering
Position
  • Head of Department
November 2007 - October 2012
University of Belgrade
Position
  • Head of Faculty

Publications

Publications (109)
Article
Full-text available
In 1991, the European Union decided on setting up a liberalized and single railway market. However, in the atomized European region, more than a half of railways can be designated as small railways. For the very reason of significant differences between the national railway systems, the EU legislation has laid broad grounds for track access charge...
Article
Full-text available
Urban freight transport is essential for supporting our society regarding providing the daily needs of consumers and local businesses. In addition, it allows the movement of goods, is distributed within urban environments, provides thousands of jobs, and supports economic growth. However, a number of issues are associated with urban freight transpo...
Article
Full-text available
In this paper we propose a fuzzy neural network prediction approach based on metaheuristics for container flow forecasting. The approach uses fuzzy if–then rules for selection between two different heuristics for developing neural network architecture, simulated annealing and genetic algorithm, respectively. These non-parametric models are compared...
Article
Full-text available
Freight transport represents a very dynamic and competitive market with high requirements for reliability, lead time, cost, flexibility and visibility of transport service. Rationalization of transport service, reduced travelling time and reliable delivery times represent the main prerequisites for lowering the costs and increasing the efficiency o...
Conference Paper
Full-text available
Practical research in the recent past has shown that city logistics with light cargo vehicles requires good locations for hubs in the distribution network, robust processes, cooperation between customers, logistics service providers and suppliers, good insight into the costs involved, modern ICT and good organization. A comprehensive approach shoul...
Article
Project ranking in public sector is a complex issue, encompassing significant investments, restricted budgets, numerous stakeholders, conflicting relevant criteria, as well as great impact of the current state government and politics. We suggest a hybrid two-stage framework for rail projects ranking by incorporating interval-valued fuzzy (IVF) sets...
Article
Full-text available
Selection of a terrain vehicle for performing different tasks is an important factor, which influences the mobility of a user through the quality of conducting transport activities. This paper is dealing with the problem of the terrain vehicle selection for the equipping of military units which, are to be engaged in multinational operations, using...
Book
Optimization Models for Rail Car Fleet Management represents the result of multi-year efforts to provide readers with insights into one of the most important areas of railway transport management. The book covers mathematical procedures for the effective and efficient utilization of railway freight cars, developed models for optimization methods, h...
Article
Full-text available
The aim of the paper is to make an analysis of the efficiency of selected transport units in the military logistics and military vehicles in carrying out the tasks of cargo transport using the method of stochastic frontier analysis (SFA) and the data envelopment analysis (DEA), and creating the basis for further investigation of the parameters that...
Article
Full-text available
Železnički infrastrukturni projekti su veoma značajni za ekonomski i socijalni razvoj jedne zemlje. Značajnost projekta se menja tokom vremena i zato je važno odlučiti koji projekat će biti prihvaćen u dinamičkom okruženju. To je težak i delikatan zadatak koji je značajan za uspeh kompanije na tržištu. U ovom radu predstavljen je model zasnovan na...
Article
Full-text available
In view of the European Union as one of the main polluters in the word and the fact that GDP per capita in the European Union is equivalent to the 282 percent of the world`s average, it is interesting to study the relationship between transport GHG emissions and the economic activity within the European Union. In the paper, the authors check the en...
Article
Full-text available
In this paper, the possibility and potential benefits of implementing discriminatory policies in rail freight transportation are analyzed, with the aim of revenue maximization. A regular, cyclic, single train service with fixed composition and capacity is studied. The problem is decomposed into discrete time periods. Transportation requests arise r...
Article
Full-text available
This paper presents the research on vehicle fleet energy efficiency impact upon overall vehicle effectiveness. Transport companies and companies with own vehicle fleets tend to enhance their resource effectiveness, and to increase their transport service quality with the objective of attaining a competitive position on the market. Since energy cons...
Conference Paper
Full-text available
Kvalitet podataka je presudni faktor od kojeg zavisi uspešnost obrade podataka. Značajnu ulogu u kvalitetu podataka osim izvora imaju i postupci pretprocesiranja podataka. Podaci u izvornom obliku mogu biti nekompletni, atributi mogu imati nedostajuće vrednosti ili može postojati nedostatak atributa. Cilj ovog istraživanja je da pokažemo matematičk...
Conference Paper
In this paper, the implementation of discriminatory revenue management (RM) policies in rail freight transportation with the aim of revenue maximization is observed. Regarding capacity control, one of the fundamental decision is either accept or reject an arriving booking request, and at the same time taking into account the possibility of arriving...
Article
Full-text available
In the European Union, approximately 3.6 million tonnes of used tires are generated annually. Because used tires are not biodegradable, there is strong motivation to successfully manage this fast-growing waste flow. One of the most popular approaches for sustainable environmental stewardship of used tires is retreading. The problem investigated in...
Article
Full-text available
The aim of this paper is efficiency assessment of railway companies from larger Europe during the most recent time period, taking into account different input-output configurations. For this aim, two-stage analysis is employed, where efficiency scores are obtained by DEA in the first stage, while in the second stage different statistical tests are...
Article
Full-text available
Achieving sustainable road transport requires the existence of methods for assessing its effectiveness, ie for assessing the overall efficiency of the transport process, road transport vehicles, vehicles and drivers. Transport companies and fleet companies for their own needs aim to increase the effectiveness of the resources they have and increase...
Article
Global warming is major environmental problem. Urbanization could cause increasing in carbon dioxide emissions because of rapid urbanization. This could has influence on rapid climate change. One of the main problem is traffic influence on the environmental quality in urban areas. Traffic emission of pollutions has high impact on environment in cit...
Conference Paper
Full-text available
Savremeno informaciono društvo iziskuje kontinualno unapređenje kvaliteta usluga poštanskih kompanija, uvođenjem novih tehnologija i sadržaja u svoje poslovanje. Cilj ovog rada je analiza uticaja pružanja ovih dodatnih usluga na efikasnost nacionalnih poštanskih kompanija. Najpre je izvršena ocena efikasnosti primenom analize obavijanja podataka (D...
Conference Paper
Serbian Railways have recently begun the process of reform, with the creation of three independent companies for infrastructure management, and passenger and freight transport. The newly established company for freight transport is faced with many challenges such as the creation of an open market and the pressure of competition. Also, the reconstru...
Chapter
Full-text available
Forecasting represents an indispensable activity in railway transportation planning. Forecasting of demand levels is vital to the railway company as a whole as it provides the basic input for the planning and control of all functional areas including railway transport operations planning, marketing and finance. Demand levels and the timing of their...
Chapter
Full-text available
Railway transport involves the expenditure of resources on a combination of investment in capital items (e.g. stations, tracks, equipment) and/or in operations (e.g. subsidies). Concerning the fact that there are limited amounts of resources, it is necessary to maximize the returns obtained from the investments of those resources. The best way to d...
Conference Paper
Different heterogonous criteria have to be considered for rail projects evaluation process. Due to this fact many authors suggest applying the multicriteria decision making methods. Often in practice there is certain uncertainty and imprecision during the rail projects evaluation process. Fuzzy numbers are suitable for taking into account these cha...
Article
Reliability and punctuality of railway traffic are among the key performance indicators, which have a significant impact on user satisfaction. A way to improve the reliability and on-time performance in the timetable design stage is by improving the timetable robustness. In order to increase the robustness, most railway companies in Europe insert a...
Article
Full-text available
The aim of this paper is the assessment of innovations impact on European railways efficiency. In order to achieve sustainable transportation development, the key challenge is modal shift from road to rail, and development of single European transport market. Innovations in the railway transport sector contribute to the higher efficiency of transpo...
Article
Full-text available
Performances of distribution systems are largely affected by the performances of transport systems. This paper is devoted to the analysis of the efficiency of transport subsystems in distribution centers. Transport is a logistics process with the highest energy consumption. In the transport systems two aspects of measuring efficiency are identified...
Conference Paper
Full-text available
Kako bi donosili adekvatne odluke u upravljanju velikim sistemima, kao što je pošta, menadžeri vrše procene i analize koristeći savremene matematičke metode. Cilj ovog rada je analiza uticaja izbora metode i faktora poslovanja u oceni tehničke efikasnosti poštanskih jedinica. Ocena tehničke efikasnosti je izvršena pomoću DEA i SFA metoda, pri razli...
Article
Full-text available
In this paper, railway passenger flows are analyzed and a suitable modeling method proposed. Based on historical data composed from monthly passenger counts realized on Serbian railway network it is concluded that the time series has a strong autocorrelation of seasonal characteristics. In order to deal with seasonal periodicity, Seasonal AutoRegre...
Article
Full-text available
The accuracy of predicting the volume of railway passenger flows is very significant because of the vital role in the basic functions of transportation resources management. Although dealing with this problem is very often based on the use of the neural networks, the uncertainty which dominates in the functioning of transportation systems is of gre...
Conference Paper
Rail freight cars are expensive capital items and rail freight car fleet management represents an important issue for both researchers and rail freight transport service providers. Many models for fleet management have been proposed in the literature. The aim of this paper is to present a survey of recent optimization approaches for the rail freigh...
Article
Full-text available
Regardless the level of technological development in a community, the unavoidable phenomenon is the appearance of queuing. This situation will continue as long as there is the customer’s need for the direct contact with the service suppliers, as the case is in the Post of Serbia. The aim of the paper is to estimate the time a customer will spend in...
Conference Paper
Upravljanje kolosečnim kočnicama predstavlja veoma bitan zadatak u procesu ranžiranja kola. Određivanje odgovarajućeg stepena kočenja ima za cilj sprečavanje sustizanja uzastopnih grupa kola na spuštalici, kao i zaustavljanje kola na željenom mestu na ranžirno-otpremnom koloseku. U ovom radu je za rešavanje problema izbora odgovarajućeg stepena koč...
Article
Full-text available
This paper represents the application of A'WOT method for the selection of postal services development scenario in the Republic of Serbia. A'WOT method is a relatively new tool for decision making. This method is made by combination of the Analytic hierarchy process (AHP approach) and SWOT analysis. In this new hybrid method, SWOT analysis gives th...
Conference Paper
Forecasting represents prediction of a future outcome for various business phenomenon. Company must understand and use forecasts in order to obtain answers on numerous questions related to key performance determinants such as profit, demand, production costs etc. In this paper, the volume of postal activities is analyzed in PE “Post of Serbia”. Mor...
Conference Paper
Full-text available
Rezime: Transportni sistem ima mnogostruke interakcije i multidimenzionalne efekte na okruženje, pored ostalog, zauzimanjem zemljišta i urbanim zagađenjem; na ekonomski razvoj, u pogledu rasta BDP-a; kao i na socijalnu jednakost, u smislu pristupačnosti, kvaliteta života i zdravlja stanovništva. U ovom radu se razmatra mogućnost uvođenja naplate pu...
Conference Paper
Full-text available
The exact prediction of the traffic conditions has become more and more significant due to the vital role in the basic functions of the management of the traffic and railway processes of decision making. This study presents an integrated genetic algorithm (GA) and artificial neural network (ANN) for Railway Passenger Flow Forecasting using stochast...
Conference Paper
Rail freight car fleet represents the most valued asset of a railway company. Time and space mismatch of transport requests often leads to the need for allocations of empty freight cars. Empty transports thus represent a substantial part of the total workload in a railway system, and the development of modern planning tools for rail freight car fle...
Conference Paper
Making a company investment plan is a complex and difficult management issue. Project selection and ranking are crucial steps for the company’s success in the market. Strategic decisions, such as the development of a project investment plan, depend on many factors, with different relevance usually changeable over time. Some relationships of the sys...
Conference Paper
Full-text available
For future planning purposes, every industry must have a flow of information concerning the expected demand for its product. In the case of railways, both the capacities to be used and the expected total revenue depend on the level of future rail passenger traffic, so that the railways have a crucial need for forecasts of their passenger traffic. B...
Conference Paper
The transport of goods as the core of operation in every railway company is performed by allocation of rail freight cars. Rail freight car fleet represents the most valued asset of a railway company. In this paper, a linear dynamic model of rail car flows (loaded and empty) in a network is developed as the basis for using the optimal control theory...
Article
Full-text available
One of the most important principles in the company is the principle of efficiency which consists in achieving the highest possible economic effects with minimum economic investment. In this paper, we present a nonparametric efficiency analysis, bus subsystems of public transport passengers Belgrade City, a sample of five small, three medium and tw...
Article
Full-text available
Efficient management of a railway company requires planning. In order to be effective, it is necessary to have expectations of the future conditions under which the company will operate. Forecasting represents an indispensable activity in rail transportation planning. Forecasting future demand for rail passenger services is very difficult but is ne...
Article
Full-text available
Rail freight car fleet represents the most valued asset of a railway company. Time and space mismatch of transport requests often leads to the need for allocations of empty freight cars. Empty transports thus represent a substantial part of the total workload in a railway system, and the development of modern planning tools for rail freight car fle...
Book
За решавање проблема евалуације транспортних пројеката предложен је вишекритеријумски приступ, због карактеристика улазних величина. Мрежна структура проблема и природа односа елемената система наводи на примену Аналитичког мрежног процеса. Развијено је више вишекритеријумских модела за евалуацију железничких, друмских и поштанских инвестиционих п...
Article
Full-text available
Techniques to improve freight car fleet use are of considerable interest to the railroad industry. In this paper, we present a fuzzy inventory control approach applied to the sizing of empty cars on a rail network. We address the problem of deciding the optimal inventory level and the optimal ordering quantity for a rail freight car fleet system in...
Article
Full-text available
The rapid development of civilization, population growth and constant increase in the resource consumption level had an effect on changes in methodologies and procedures for approaching the problem in many areas including the traffic engineering.The model of the transport projects selection is presented in this paper. The case study was the street...
Conference Paper
Full-text available
Transport sector is one of the major energy consumers. Energy consumption in Serbia is growing every year. In situation of increasing global energy demands and rising energy costs, conserving energy becomes very important issue. Energy efficiency is one of the best and the most frequently used indicators of energy use. The main objective of this pa...
Article
Full-text available
The efficiency of distribution systems is largely affected by the performances of distribution centres. The main objective of this paper is to develop and propose a DEA model for distribution centres efficiency measuring that can help managers in decision making and improving the efficiency. Due to numerous indicators that describe DCs operating, t...
Article
Full-text available
In the area of freight transport, the railroads of almost all countries face with strong competition and a prominent trend of market reduction. It has become imperative for rail systems to develop better planned instruments for more rational and efficient utilization of freight cars that represent a great amount of total investments. In this paper...
Conference Paper
Full-text available
In this paper, the issues of information infrastructure protection are presented as an important part of a larger scope of critical infrastructure as a whole. The problem is discussed from the two viewpoints. Regulatory aspect gives the overview of regulatory frameworks within the EU and the Serbia and the region, which represents the foundation fo...
Conference Paper
Full-text available
For future planning purposes, every industry must have a flow of information concerning the expected demand for its product. In the case of railways, both the capacities to be used and the expected total revenue depend on the level of future rail passenger traffic, so that the railways have a crucial need for forecasts of their passenger traffic. T...
Article
Full-text available
The problem of used products is present in lot of business processes. Commercial vehicle tires are one of examples and have huge influence on exploitation parameters of transportation companies. As a way of reducing these costs, retreading is commonly used process which affects also on reduction of environment pollution. Here, a choice of tire manu...
Conference Paper
Neuro-fuzzy techniques are finding a practical application in many fields such as in model identification and forecasting of linear and non-linear systems. This paper presents the application of an adaptive neuro-fuzzy inference system (ANFIS) to urban rail passenger time series modeling, and is illustrated by an application to model the rail passe...
Conference Paper
Tradeoffs between project duration and total cost are extensively discussed in the project scheduling literature because of its practical relevance. Time-cost optimization may be defined as a process of identifying a set of suitable activities for speeding up and for deciding the best possible savings in both time and cost. Since different combinat...