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Супротстављање организованом криминалу : правни оквир, међународни стандарди и процедуре / Научно-стручни скуп са међународним учешћем, Тара, 27-29. мај 2013. године
Get PDFEconomic crisis as a factor of the disolution of the SFRY
Get PDFЕкономска активност је пожељан и неопходан услов развоја сваке државе. Мерама економске политике могуће је створити амбијент који служи привредним циљевима државе и заједно са другим политикама доприноси разрешењу противречности у друштву. Међутим, осцилације у привредним токовима, могу довести и до негативних последица не само у оквирима економског амбијента, већ и до несагледивих последица по опстанак једног друштва и државе.Economic activity is desirable and necessary precondition for the development
of every country. Through economic policy measures it is possible to create an
environment that serves the economic objectives of a country, and together with
the other policies contribute to the solution of contradictions in society.
However, the fluctuations in the economy may lead not only to negative
consequences within the economic environment, but also to unforeseeable
consequences for the survival of society and a country
Tematski zbornik radova međunarodnog značaja. Tom 2 / Međunarodni naučni skup "Dani Arčibalda Rajsa", Beograd, 1-2. mart 2013
Get PDFThe Thematic Conference Proceedings contains 138 papers written by eminent scholars in the field of law, security, criminalistics, police studies, forensics, medicine, as well as members of national security system participating in education of the police, army and other security services from Russia, Ukraine, Belarus, China, Poland, Slovakia, Czech Republic, Hungary, Slovenia, Bosnia and Herzegovina, Montenegro, Republic of Srpska and Serbia. Each paper has been reviewed by two competent international reviewers, and the Thematic Conference Proceedings in whole has been reviewed by five international reviewers. The papers published in the Thematic Conference Proceedings contain the overview of con-temporary trends in the development of police educational system, development of the police and contemporary security, criminalistics and forensics, as well as with the analysis of the rule of law activities in crime suppression, situation and trends in the above-mentioned fields, and suggestions on how to systematically deal with these issues. The Thematic Conference Proceedings represents a significant contribution to the existing fund of scientific and expert knowledge in the field of criminalistic, security, penal and legal theory and practice. Publication of this Conference Proceedings contributes to improving of mutual cooperation between educational, scientific and expert institutions at national, regional and international level
Tematski zbornik radova međunarodnog značaja. Tom 3 / Međunarodni naučni skup "Dani Arčibalda Rajsa", Beograd, 1-2. mart 2013
Get PDFThe Thematic Conference Proceedings contains 138 papers written by eminent scholars in the field of law, security, criminalistics, police studies, forensics, medicine, as well as members of national security system participating in education of the police, army and other security services from Russia, Ukraine, Belarus, China, Poland, Slovakia, Czech Republic, Hungary, Slovenia, Bosnia and Herzegovina, Montenegro, Republic of Srpska and Serbia. Each paper has been reviewed by two competent international reviewers, and the Thematic Conference Proceedings in whole has been reviewed by five international reviewers. The papers published in the Thematic Conference Proceedings contain the overview of con-temporary trends in the development of police educational system, development of the police and contemporary security, criminalistics and forensics, as well as with the analysis of the rule of law activities in crime suppression, situation and trends in the above-mentioned fields, and suggestions on how to systematically deal with these issues. The Thematic Conference Proceedings represents a significant contribution to the existing fund of scientific and expert knowledge in the field of criminalistic, security, penal and legal theory and practice. Publication of this Conference Proceedings contributes to improving of mutual cooperation between educational, scientific and expert institutions at national, regional and international level
The influence of a pedestrian countdown display on pedestrian behavior at signalized pedestrian crossings
No full textPedestrian behavior has been a subject of surveys carried out at two signalized pedestrian crossings, in the city of Doboj (BIH, Republic of Srpska). The analysis is made on the basis of video recordings, and includes behavior at pedestrian crossings, in various conditions (two locations, different vehicle flows, with or without a countdown display). The analysis also includes the distribution of illegal crossings (at the pedestrian red light) of different categories of pedestrians (gender, age), before and after the installation of a pedestrian countdown display, at two different pedestrian crossings. The results of the study have shown that a countdown display reduces statistically significantly the total number of violators, regardless of its location and traffic flow. However, this reduction is not the same at various categories of pedestrians (male, female, elderly, young people). The influence of the display has been particularly dominant at the pedestrian crossing located outside the centre of the city, with the smaller intensity of traffic. Children pedestrians do not accept the behavior in accordance with the countdown display in case of a reduced intensity of traffic, at a pedestrian crossing located in the backstreet. A countdown display does not statistically significantly change the distribution form of the number of offences during the red light for pedestrians, regardless of the pedestrian environment. However, there is a statistically significant difference in certain intervals (during the first and last 4 s) in the total distribution, as well as in the categories (female pedestrians, children). A countdown display does not reduce the overall number of "slow" pedestrians, but the impact on certain categories of "slow" pedestrians (gender/children), as well as on pedestrian violators, per age categories, varies depending on the location and traffic flow at an intersection
Selective infrared absorption and refraction of symmetrical two-layered molecular nanofilms
No full textWe have supplemented the already formulated microscopic theory of optical properties of very ultrathin molecular films (quantum nanofilms), i.e., quasi 2D systems parallel to XY planes bounded by two surfaces. The exposure of nanofilms to the external electromagnetic fields has resulted in the creation of excitons, but different than bulk ones in one direction perpendicular to surfaces. The analysis of the dielectric response of the system to perturbation of an external electromagnetic field shows that optical properties of these crystalline nanosystems for low exciton concentration of Frenkel's excitons strongly depend on boundary parameters and the thickness of the film. In addition, the dynamical absorption and the refraction coefficient show a very narrow and discrete dependence of external electromagnetic field frequency, which is the consequence of both resonance and quantum size effects. Influences of boundary conditions on optical characteristics (through the analyses of dynamical absorption and refraction indices) of these nanostructures were specially and in details explored. The emission and the luminescence spectrum of the whole film have been analyzed and the results compared to experimental data show very good behavior and very good coordination
Teorija situacijskog postupanja - postavke, značaj i perspektive
Get PDFThe article reviews basic assumptions, constructs and significance of Situational Action Theory (SAT), a recent integrated theoretical model aiming to provide an ecological perspective and approve itself as a truly general theory of crime. Within its comprehensive theoretical framework crime is defined and studied as a special form of moral action. Disregarding that some aspects of particular theoretical assumptions and constructs are deemed as somewhat arguable or still-developing, SAT's contribution to the field of criminology and related disciplines so far has been assessed as manifold and valuable. The theory is expected to be even more important in the future. The same goes for its applicative value.U radu se predstavljaju osnovne postavke i razmatraju konstrukti, teorijski i praktični značaj teorije situacijskog postupanja (eng. situational action theory), kao jedne od novijih integrativnih kriminoloških koncepcija koja iskazuje ambiciju da ponudi istinsku ekološku perspektivu i potvrdi se kao opšta teorija o kriminalitetu. Reč je o komprehenzivnom teorijskom okviru unutar kojeg se kriminalno ponašanje određuje i objašnjava kao poseban oblik 'moralne akcije'. Nezavisno od toga što se neki aspekti pojedinih postavki i konstrukata teorije smatraju diskutabilnim, a teorija sistemom u razvoju, njen dosadašnji doprinos kriminologiji i srodnim disciplinama je višestruk i dragocen, a može se očekivati da će on u budućnosti rasti. Isto važi i za njenu aplikativnu vrednost
Otkrivanje obmanjujućeg ponašanja primenom analize sadržaja iskaza
Get PDFThe main purpose of this quasi-experimental research was to explore the veracity assessment of statements based on observations of certain verbal behaviors that usually accompany deception. The sample included 80 participants (63 men and 17 women, aged 21-24 years), all students of the Criminal Police Academy, divided into an experimental and a control group. The experimental group received a lecture on verbal behavior as an important clue for assessing true statements while control group did not. Participants were given a semantic verification task, in which they watched 10 video recordings of subjects presenting 5 true and 5 false statements. They were then asked to verify subjects' testimonies and to estimate the frequency of the occurrence of 10 behavioral indicators. Verbal behaviors were chosen based on findings of previous studies (Steller & Kohnken, 1989; Vrij, 2008). The results of Mann-Whitney test showed that training improved the ability to recognize deception. Experimental group achieved significantly higher success in estimating an overall accuracy of statements (z = -2.71, p lt .01), negative predictive power (z = -4.29, p lt .01), sensitivity (z = -2.00, p lt .05) and specificity (z = -4.25, p lt .01). Successful evaluation of a false statement was dependent on an ability to recognize the presence of time lags and long answers, or decreased recognition of the negative and detailed statements. Successful assessment of true statements was higher if respondents perceived logical structure less frequently. Results are in accordance with Undeutsch's hypothesis and cognitive load.Osnovni cilj ovog kvazi-eksperimentalnog istraživanja bio je da se utvrdi uspešnost procene istinitosti iskaza u zavisnosti od poznavanja verbalnog ponašanja u situaciji laganja. U istraživanju je učestvovalo 80 ispitanika (63 muškarca i 17 žena, starosti 21-24 godine), studenata Kriminalističko-policijske akademije u Beogradu, podeljenih u eksperimentalnu i kontrolnu grupu. Eksperimentalnoj grupi je prethodno održano predavanje o najznačajnijim tehnikama za detekciju laganja, baziranim na verbalnim ponašanjima, dok je kontrolna grupa trebalo da se osloni na implicitne pretpostavke i dotadašnja znanja. Zadatak obe grupe ispitanika sastojao se u proceni učestalosti verbalnih ponašanja navedenih u ček-listi i oceni istinitost iskaza subjekata prikazanih na video snimcima. Verbalna ponašanja su izabrana na bazi dosadašnjih naučnih saznanja o obmanjujućem ponašanju. Rezultati Mann-Whitneyjevog testa pokazuju da su ispitanici iz eksperimentalne grupe bili značajno uspešniji u ukupnoj tačnosti procene istinitosti iskaza (z = -2./1, p lt .01), tačnosti procene istinitih iskaza tj. negativnoj prediktivnoj vrednosti (z = -4.29, p lt .01), senzitivnosti za lažne iskaze (z = -2.00, p lt .05) i specifičnosti za istinite iskaze (z = -4.25, p lt .01). Za uspeh u proceni lažnog iskaza bilo je merodavno da li su ispitanici češće prepoznali prisutnost perioda kašnjenja i dužih odgovora, odnosno ređ e prepoznali prisutnost negativnih izjava i količine, kvaliteta i opširnosti detalja, Osobe koje su bile uspešnije u prepoznavanju istinitih iskaza ređe su prepoznavale logičku strukturu, Rezultati su u skladu sa Undeutschovom hipotezom i efektom kognitivnog opterećenja
An approach to governance and policy making architectural framework
Get PDFThis paper proposes a novel approach to facilitate and foster e-govemment optimization and automation through the use of advanced information retrieval methods and techniques, and advanced Web technologies, as well. The approach suggested in this work aims to enable interactive processes that are simple, effective, and based on the user's needs and capabilities, rather than the government's organizational structure or government business models. It should create the opportunity to evaluate and eliminate redundant or unnecessary steps and processes as well as to reduce costs and cycle times by transitioning from the processes mainly based on human-related work to automated and more intelligent processes
Morfološki model populacije radno aktivnih žena Beograda meren metodom električne multikanalne bioimpedance - pilot istraživanje
Get PDFThe aim of this study was to define the actual model of body composition status of working age women in the territory of Belgrade. The sample comprised 109 women respondents, of an average age of 35.2±9.5 and the length of service = 9.6±9.3 years. All measurements were performed in the period from 2011-2012 in the Teaching -research laboratory of the Faculty of Sport and Physical Education of the University of Belgrade, by applying standardized procedure of electrical multichannel bioimpedance method. The researched encompassed twenty-two (22) variables - fourteen basic (14) and eight (8) derived (index) variables. Basic variables were: BH - body height, BM - body mass, ICF - intracellular fluid, ECW - extracellular fluid, TBW - total body fluids, Proteins, Minerals, BMC (Osseous) - bone mineral contents, BFM - total body fat mass, SMM - skeletal muscle mass, VFA - visceral fat area, BCM - body cell mass, BMR - basal metabolic rate, FIS - fitness score as assessment of body composition. The derived (index) variables were: BMI - body mass index, PBF% - percent of body fat, PBW - percent of body water, PFI - protein fat index, PSMM - percent of skeletal muscle mass, SMMD - skeletal muscle mass density, OBMi - Osseous-body mass index, PBMi - protein body mass index. The results showed that the average body mass of the respondents was 67.66±13.39 kg, body height 167.04±6.62 cm, body mass index 24.27±4.66 kg/m2, muscle mass 26.55±4.46 kg, muscle mass percentage 29.09±8.47, body fat mass 20.52±9.74 kg, body fat percentage 29.09±8.47, visceral fat area was 77.92±40.23 cm2 and fitness score 73.23±6.75 of index points. The obtained results led to the conclusion that the current morphological status of the studied women partially corresponds to a type of normal weight. BMI and the representation of body fat had nearly limiting values towards obesity. A very high percentage of women was recorded in the category of pre-obese and obese according to BMI (40%) and PSMM (36%). Based on the results of this study, it can be claimed that the four-dimensional model (4D model) of body composition of working-age women from the measured sample has the following characteristics: in women of average body mass of 67.66 kg - water content is 34.58 L or 51.11%, protein mass is 9.25 kg or 13.68%, mineral mass is 3.30 kg or 4.88% and fat mass is 20.25 kg or 30.32%.Cilj ovog istraživanja je bio definisanje aktuelnog modela stanja telesnog sastava radno aktivnih žena sa teritorije Beograda. Uzorak je bio sastavljen od 109 ispitanica, prosečnog uzrasta 35.2±9.5 godina i radnog staža = 9.6±9.3 godina. Sva merenja su izvršena u periodu 2011-2012. godine u Motoričko-istraživačkoj laboratoriji Fakulteta sporta i fizičkog vaspitanja Univerziteta u Beogradu, primenom standardizovane procedure, metodom električne multikanalne bioimpedance. Istraživanjem je obuhvaćeno dvadeset dve (22) varijable - četrnaest osnovnih (14) i osam (8) izvedenih (indeksnih) varijabli. Osnovne varijable su bile: TV - telesna visina, TM - telesna masa, ICT - intra celularna tečnost, ECT - ekstra celularna tečnost, TBV - ukupna količina tečnosti u organizmu, Proteini, Minerali, MMK - masa minerala iz sadržaja kostiju, MTM - ukupna masa telesne masti, SMM - masa skeletnih mišića, VFA - površina visceralnih masti, BCM - masa živih ćelija u organizmu, BMR - vrednost bazalnog metabolizma, FIS - fitnes skor kao ocena telesnog sastava. Izvedene (indeksne) varijable su bile: BMI - indeks mase tela, PTM - procenat masti u telu, PVT - procenat vode u telu, PMI - proteinsko masni indeks, PSM - mišićni indeks, IGM - indeks gustine mišića, KTI - koštano-telesni indeks, PTI - proteinsko telesni indeks. Rezultati su pokazali da prosečna telesna masa ispitanica iznosi 67.66±13.39 kg, telesna visina 167.04±6.62 cm, indeks mase tela 24.27±4.66 kg/m2, masa mišićnog tkiva 26.55±4.46 kg, procenat mišićne mase 29.09±8.47, masa telesne masti 20.52±9.74 kg,, procenat masti u telu 29.09±8.47, površina visceralne masti je 77.92±40.23 cm2, fitnes skor 73.23±6.75 indeksnih bodova. Iz dobijenih rezultata može se zaključiti da aktuelni morfološki status ispitivanih žena delimično odgovara normalno uhranjenom tipu. BMI i zastupljenost telesnih masti su imali gotovo granične vrednosti, prema gojaznosti. Zabeležen je vrlo visok procenat žena u kategoriji predgojaznih i gojaznih prema BMI (40%) i PSM (36%)