Претрага
803 items
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Multihazard Exposure Assessment on the Valjevo City Road Network
Miloš Marjanović, Biljana Abolmasov, Svetozar Milenković, Uroš Đurić, Jelka Krušić, Mileva Samardžić Petrović (2019)Miloš Marjanović, Biljana Abolmasov, Svetozar Milenković, Uroš Đurić, Jelka Krušić, Mileva Samardžić Petrović. "Multihazard Exposure Assessment on the Valjevo City Road Network" in Spatial Modeling in GIS and R for Earth and Environmental Sciences, Elsevier Inc (2019). https://doi.org/10.1016/B978-0-12-815226-3.00031-4.
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EUROLAN 2021: Introduction to Linked Data for Linguistics Online Training School
Prva škola za obuku polaznika koju je organizovala COST akcija NexusLinguarum održana je od 8. do 12. februara 2021. godine sa ciljem da studenti, istraživači i stručnjaci nauče osnove lingvističke nauke o podacima. Tokom obuke polaznici su se upoznali sa širokim spektrom tema: od semantičkog veba, RDF -a i ontologija, do modeliranja i pretraživanja jezičkih podataka pomoću najsavremenijih ontoloških modela i alata. Škola je održana u okviru serije letnjih škola EUROLAN-a i organizovalo ju je virtuelno (onlajn) nekoliko instituta; ...nauka o lingvističkim podacima, povezani podaci u lingvistici, jezički podaci, EUROLAN, NexusLinguarum, COST akcija, škola za obuku... lexicog11 – lexicography module (Bosque-Gil, Gracia, and Montiel- 6. Data Catalog Vocabulary (DCAT) - Version 2 7. Lemon - Lexicon Model for Ontologies; Lexicon Model for Ontologies: Com- munity Report, 10 May 2016 8. SKOS Simple Knowledge Organization System - home page 9. Protégé 10. VocBench: A ...
... editor. The third day was dedicated to the topics related to representing and querying lexical data with ded- icated sessions on the OntoLex-Lemon model and the SPARQL querying language. The fourth day included sessions which gave an overview of other linguistic and metadata vocabularies and the VocBench ...
... (LDK), 1-3 September in Zaragoza, Spain. McCrae, John P, Julia Bosque-Gil, Jorge Gracia, Paul Buitelaar, and Philipp Cimiano. 2017. “The Ontolex-Lemon model: development and applica- tions.” In Proceedings of eLex 2017 conference, 19–21. Stanković, Ranka, Cvetana Krstev, Biljana Lazić, and Mihailo Škorić ...Milan Dojchinovski, Julia Bosque Gil, Jorge Gracia, Ranka Stanković. "EUROLAN 2021: Introduction to Linked Data for Linguistics Online Training School" in Infotheca, Faculty of Philology, University of Belgrade (2021). https://doi.org/10.18485/infotheca.2021.21.1.7
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Development and Evaluation of Three Named Entity Recognition Systems for Serbian - The Case of Personal Names
In this paper we present a rule- and lexicon-based system for the recognition of Named Entities (NE) in Serbian news paper texts that was used to prepare a gold standard annotated with personal names. It was further used to prepare training sets for four different levels of annota tion, which were further used to train two Named Entity Recognition (NER) sys tems: Stanford and spaCy. All obtained models, together with a rule- and lexicon based system were evaluated on ...... name only. One can also note that when using the model PERS_4, SRPNER system performs best in rec- ognizing the role entity. Between other two sys- tems, STANFORD NER achieves better recall and SPACY NER slightly better precision. The chart for model PERS_9 shows that all systems according to F1 measure ...
... following results: for Croatian P = 0.91, R = 0.93 and F1 = 0.92, higher than STANFORD NER for the model PERS_1, and for Slovene P = 0.82, R = 0.87 and F1 = 0.84, comparable with STANFORD NER for the model PERS_1 (Table 6). One should note, however, that their test set contained a smaller number of personal ...
... “srpski reditelj Aleksandar Saša Petrović” (Serbian director Aleksandar Saša Petrović), the corresponding triplet representation for the PERS_4 model would be: (0, 14, ”ROLE”), (16, 39, ”PERS_FULL”) where the first and the second element represent the start and the end character offset, while the ...Branislava Šandrih, Cvetana Krstev, Ranka Stanković. "Development and Evaluation of Three Named Entity Recognition Systems for Serbian - The Case of Personal Names" in Proceedings - Natural Language Processing in a Deep Learning World, Incoma Ltd., Shoumen, Bulgaria (2019). https://doi.org/10.26615/978-954-452-056-4_122
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An Approach to Development of Bilingual Lexical Resources
... resource in tune with Bibliša’s specifics would substantially contribute to its performance. Hence, Biblimir was born. 3.1 The Logical Model The logical model of Biblimir, with its characteristic classes, their attributes, as well as relations among the classes is depicted in Figure 1 in the ...
... have several terms from the corresponding language. In its initial phase, Biblimir is conceived as a bilingual Serbian-English resource, but the model enables further expansion to other languages, such as French, German, etc. Relations between two synsets are modeled by the SynsetRelation class ...
... of other relations is planned, akin to those available in wordnets: hypernym, meronym, antonym, derived, and the like. Figure 1: Logical model of Biblimir. Synsets can be optionally classified into one or more categories such as librarianship or informatics, their subcategories, or categories ...Stanković Ranka, Obradović Ivan, Trtovac Aleksandra. "An Approach to Development of Bilingual Lexical Resources" in Proceedings of the Fifth Balkan Conference in Informatics BCI 2012, Workshop on Computational Linguistics and Natural Language Processing of Balkan Languages – CLoBL 2012, September 2012, Novi Sad : BCI (2012)
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Методологија интегралне анализе сценарија енергетског развоја
Александар Маџаревић (2019)енергетска безбедност, сценарио развоја, фази логика, сигурност снабдевања, доступност, расположивост, природни гас... енергетике, превасходно у избору оптималних решења праваца развоја је све чешћа. Број модела који се бави овом проблематиком, а самим тим и индикатора који се појављују у поменутим моделима није мали. Ако је циљ модела доношење одлуке о оцени сценарија који би показао рационалан, одржив и енергетски безбедан ...
... РАЗВОЈА 5 МОДЕЛ ИНТЕГРАЛНЕ АНАЛИЗЕ СЦЕНАРИЈА ЕНЕРГЕТСКОГ РАЗВОЈА За потребе израде модела је анализирана група од три синтезна индикатора, која су прецизније дефинисана помоћу по три парцијална индикатора. Анализирајући раније уобичајно коришћење вишекритеријумске математичке моделе за анализу сценарија ...
... и еколошка прихватљивост (E). Разлог позивања на већ традиционалне методе је жеља поређења резулатата модела који је развијен са поменутим традиционалним математичким моделима. Фази-АХП синтезни модел је структурно и хијерархијски сачињен из два корака: I ниво синтезе који се односи на композицију: ...Александар Маџаревић. Методологија интегралне анализе сценарија енергетског развоја, Рударско-геолошки факултет, 2019
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A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice
Ventilation system analysis is a complex process based on the calculation and analysis of numerous parameters. These problems can be successfully solved by the SimVent numerical package, but a full understanding and use of the obtained results require the involvement of an experienced specialist in the ventilation field. The solution was found in the creation of a hybrid system INVENTS, whose knowledge base represents a formalization of the expert knowledge in the mine ventilation field. In this paper, we ...... of a three-level class diagram. This architecture supports well the object-oriented approach in model development for complex applications. Its main characteristic is a separation of the domain model, which is represented by business services and data services, from user interface, represented by ...
... linear ventilation scheme picture. In Fig. 7, an activity diagram depicts the dy- namic model of one of these classes — the Simulation-Fire class. This class includes specific procedures based on the mathematical model of airflow in the event of fire incidence in complex mine ventilation networks. Data ...
... database and dbSimVent, with functions related to data specific for SimVent. In view of the complexity of the INVENTS system’s global model data structure, which had to model all relevant parameters of complex mine ventilation networks, the design and realization of database was executed in the MSAccess ...Nikola Lilić, Ivan Obradović, Ranka Stanković. "A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice" in Mineral Resources Engineering 11 no. 4, Imperial College Press (2002): 361-382. https://doi.org/10.1142/S0950609802001014
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Effects of external noise on threshold-induced correlations in ferromagnetic systems
Dragutin Jovković, Sanja Janićević, Svetislav Mijatović, Lasse Laurson, Đorđe Spasojević. "Effects of external noise on threshold-induced correlations in ferromagnetic systems" in Physical Review E, American Physical Society (APS) (2021). https://doi.org/10.1103/PhysRevE.103.062114
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Trans-Lithospheric Diapirism as a Possible Mechanism for Ophiolite Emplacement?
Nikola Stanković, Taras Gerya, Vladica Cvetković, Vesna Cvetkov. "Trans-Lithospheric Diapirism as a Possible Mechanism for Ophiolite Emplacement?" in EGU General Assembly 2024, Vienna, 14-19 April 2024, Göttingen : Copernicus GmbH (2024). https://doi.org/10.5194/egusphere-egu24-568
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Multiple-Criteria Decision-Making in Mine Development Planning
Sanja Bajić (2023)The Borska Reka ore deposit is an experimental location where developed methodologies have been applied. It is the largest ore body within the Bor mining complex, which has been the subject of numerous studies and analyses for more than three decades. The paper focuses on the application of FAHP and the VIKOR method to address ranking of alternatives and select the optimal mining method by means of fuzzy multicriteria optimization.Sanja Bajić. "Multiple-Criteria Decision-Making in Mine Development Planning" in Proceedings of the 5th International Underground Excavations Symposium, 5-6-7 June 2023, Istanbul, Topkapi : Dinç Ofset Mat. Rek. San. ve Tic. Ltd. Şti. (2023)
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Comprehensive Profiling of Microbiologically Induced CaCO3 Precipitation by Ureolytic Bacillus Isolates from Alkaline Soils
Olja Šovljanski, Lato Pezo, Jovana Stanojev, Branimir Bajac, Sabina Kovač, Elvira Tóth, Ivan Ristić, Ana Tomić, Aleksandra Ranitović, Dragoljub Cvetković, Siniša Markov (2021)MICP process, kinetic study, calcite, vaterite, MALDI-TOF identification, Bacillus licheniformis, Sporosarcina pasteurii... fit between experimental measurements and model calculated results are given in Supplementary Table S2. The quality of the model fit was tested and the residual analysis of the developed model was also presented in the same table. The presented exponential model (for Urea concentration prediction), and ...
... explain the trends of the investigated process. The fit between experimental measurements and model calculated results, as well as the residual analysis of the developed model in which the quality of the model fit was tested, are shown in Supplementary Table S3. The presented models are accurate according ...
... decreased during the whole incubation period. According to the kinetic model present in Figure 4a and Table 1, a statistically calculated Urea concentration fitted in goodly with experimental data. For the proposed kinetic model, all coefficients of determination were greater than 0.883. The regression ...Olja Šovljanski, Lato Pezo, Jovana Stanojev, Branimir Bajac, Sabina Kovač, Elvira Tóth, Ivan Ristić, Ana Tomić, Aleksandra Ranitović, Dragoljub Cvetković, Siniša Markov. "Comprehensive Profiling of Microbiologically Induced CaCO3 Precipitation by Ureolytic Bacillus Isolates from Alkaline Soils" in Microorganisms, MDPI AG (2021). https://doi.org/10.3390/microorganisms9081691
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Eksploatacioni učinci ugljenih sistema na površinskom kopu Tamnava–Zapadno polje
U radu su analizirani eksploatacioni učinci ugljenih sistema na površinskom kopu Tamnava–Zapadno polje. Period analize je prvih šest meseci tekuće godine. Analiza je vršena sa aspekta ostvarene proizvodnje, kvaliteta uglja, efektivnog vremena rada, kapacitetnog i vremenskog iskoršćenja i zastoja sistema. Za poređenje podataka različitih parametara koji po svojoj prirodi nisu međusobno uporedivi, u radu su korišćene metode višekriterijumskog odlučivanja.... je bagera i vremenski zastoji koji su uticali na rad sistema. U drugom delu rada primenjen je model zasnovan na VIKOR i TOPSIS metodi višekriterijumskog odlučivanja. Ulazni parametri za kreiranje modela podeljeni su u dve grupe. Prvu grupu čine parametri vezani za proizvodne učinke, dok u drugu grupu ...
... transportera, transport otkopne mehanizacije itd. 3. Primenjena metodologija Za verodostojnu ocenu eksploatacionih učinaka ugljenih sistema primenjeni su modeli zasnovani na metodama višekriterijumskog odlučivanja. Ova metodologija podrazumeva definisanje ulaznih parametara koji se odgovarajućim matematičkim ...
... odnose na ostvarenu proizvodnju, efektivno vreme rada, kt, kq iznosile su 0,11, dok preferencije za grupe zastoje iznose 0,1. Na taj način u postavci modela blaga prednost data je parametrima koji su u direktnoj korelaciji sa proizvodnim učincima. Iste preferencije zadržane su i kod TOPSIS metode. 4.2 ...Marko Lazić, Filip Miletić, Milena Lekić, Veljko Rupar, Željko Petrović, Lazar Žujović . "Eksploatacioni učinci ugljenih sistema na površinskom kopu Tamnava–Zapadno polje" in 10th International Conference Coal 2021, Jugoslovenski komitet za površinsku eksploataciju, Zlatibor (2021)
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Frequency and Length of Syllables in Serbian
Marija Radojičić, Biljana Lazić, Sebastijan Kaplar, Ranka Stanković, Ivan Obradović, Ján Mačutek, Lívia Leššová (2019)Basic analyses of several properties of syllables (the rank-frequency distribution, the distribution of length, and the relation between length and frequency) in Serbian is presented. The syllabification algorithm used combines the maximum onset principle and the sonority hierarchy. Results indicate that syllables behave similarly to words as far as mathematical models are concerned, but values of parameters in models for syllables are quite different from those for words.... are important differences if not only models, but also parameters are considered. Their values in the model for the rank-frequency distribution of syllables exceed those for words, and in the model for the distribution of syllable length they are out of the range of values observed for word length ...
... aspects: 1) the rank-frequency distribution, 2) the distribution of length, and 3) the relation between length and frequency. The goodness-of-fit of a model is evaluated in terms of the discrepancy coefficient 𝐶 = 𝜒 /𝑁, where 𝜒 is the value of the test statistic from the Pearson 𝜒 goodness-of-fit ...
... 16 Parameters values are not directly comparable, as the Zipf-Mandelbrot distribution is not a good model for word frequencies in the language material we used (𝐶 = 0.0880). Given that we work with a complete novel consisting of 110104 words, it is n ...Marija Radojičić, Biljana Lazić, Sebastijan Kaplar, Ranka Stanković, Ivan Obradović, Ján Mačutek, Lívia Leššová. "Frequency and Length of Syllables in Serbian" in Glottometrics (2019)
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Prioritization of strategic measures for strengthening the security of supply of the Serbian natural gas sector
To strengthen the security of supply of the Serbian gas sector, it is necessary to analyze the impact of planned strategic measures. The analysis involves the identification of the most influential threats to the security of natural gas supply and prioritization of the strategic measures for overcoming the consequences of threats. The proposed methodology is based on Fuzzy Analytic Hierarchy Process. The obtained weights for the identified threats and strategic measures are formed according to experts' judgments. The results ...Sigurnost snabdevanja, Donošenje odluka, Snabdevanje prirodnim gasom, Fazi AHP, Energetski indikatoriBoban Pavlović, Dejan Ivezić, Marija Živković. "Prioritization of strategic measures for strengthening the security of supply of the Serbian natural gas sector" in Energy Policy, Elsevier BV (2020). https://doi.org/10.1016/j.enpol.2020.111936
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Uticaj padavina na kvalitativne i kvantitativne parametre karstnih izdanskih voda
Marina Čokorilo Ilić, Vesna Ristić Vakanjac, Petar Papić, Radisav Golubović, Dušan Polomčić, Dragoljub Bajić (2018)Marina Čokorilo Ilić, Vesna Ristić Vakanjac, Petar Papić, Radisav Golubović, Dušan Polomčić, Dragoljub Bajić. "Uticaj padavina na kvalitativne i kvantitativne parametre karstnih izdanskih voda" in Zbornik radova nacionalne konferencije sa međunarodnim učešćem ekoremedijacija i ekonomska valorizacija vodnih resursa-modeli i primena, Fakultet za primenjenu ekologiju Futura, Univerzitet Singidunum, Beograd (2018)
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Ventex: an expert system for mine ventilation systems analysis
roblems relating to mine ventilation systems analysis are usually of a very complex nature. They involve the estimation of numerous interdependent parameters pertaining to the network status, ventilation status, ventilation system stability, air current losses, climate conditions, gas state, fire risk and dangerous dust pollution risk. The solution to these problems relies, to a great extent, on numerical methods. With the development of computer technology these methods were incorporated as numerical routes in software packages, such as the mine ...Nikola Lilić, Ranka Stanković, Ivan Obradović. "Ventex: an expert system for mine ventilation systems analysis" in Mining Technology, United Kingdom (1997)
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Integrisanje heterogenih leksičkih resursa
Osnovna aktivnost Grupe za obradu prirodnih jezika na Matematičkom fakulteta Univeziteta u Beogradu je usmerena na razvoj različitih resursa za obradu srpskog jezika. Među njima su posebno značajni sistem morfoloških rečnika srpskog jezika razvijenih u okviru mreže RELEX [1] i semantička mreža (tipa wordnet) za srpski jezik razvijena u okviru međunarodnog projekta Balkanet. Radi se o dva heterogena leksička resursa, razvijena na osnovu sasvim različitih modela, koji samim tim sadrže i različite vrste leksičkih informacija. Integracijom ovih resursa, informacije ...... srpski jezik razvijena u okviru međunarodnog projekta Balkanet. Radi se o dva heterogena leksička resursa, razvijena na osnovu sasvim različitih modela, koji samim tim sadrže i različite vrste leksičkih informacija. Integracijom ovih resursa, informacije koje sadrži jedan resurs mogu se ugraditi ...
... • Srpski wordnet (SWN), semantička mreža koncepata za srpski jezik, razvijen je u okviru međunarodnog projekta Balkanet ([2]) koji je zasnovan na modelu razvijenom u okviru projekta EuroWordnet ([3]). U ovom trenutku SWN sadrži oko 7000 koncepata i njima odgovarajućih skupova sinonima (sinsetova) ...
... namene. Bez obzira na činjenicu da pomenuta dva leksička resursa predstavljaju rečnike različitog tipa, razvijena na osnovu sasvim različitih modela, svaki od njih sadrži informacije koje se mogu ugraditi u onaj drugi ili se pak mogu koristiti u fazi njegovog razvoja. U odeljku 2 ovog rada opisani ...Ranka Stanković, Cvetana Krstev, Duško Vitas, Ivan Obradović, Gordana Pavlović-Lažetić. "Integrisanje heterogenih leksičkih resursa" in Festivalski katalog 11. Festivala informatičkih dostignuća INFOFEST 2004, 26th September - 2nd October, 2004, Budva, Montenegro, INFOFEST (2004)
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Industrija 4.0 - koncept prediktivnog održavanja 4.0 (PdM 4.0) u rudarstvu
Četvrtu industrijsku revoluciju – Industriju 4.0 karakteriše upotreba cyber-fizičkih sistema. Da bi se postigla optimalna strategija održavanja (ali i eksploatacije), neophodno je razviti sisteme koji podržavaju napredne inteligentne sisteme održavanja ili tehnologije pametnog održavanja. Iz toga su proizašli postulati Prediktivnog održavanja 4.0 (PdM 4.0) koji definišu veoma blisku budućnost u oblasti održavanja tehničkih sistema pa i rudarske opreme. PdM 4.0 uključuje iskorišćenje snage veštačke inteligencije za stvaranje stalnog uvida u otkrivanje uzroka i anomalija u radu opreme, koje se ...Predrag Jovančić, Vesna Damnjanović, Dragan Ignjatović, Miloš Tanasijević, Stevan Đenadić. "Industrija 4.0 - koncept prediktivnog održavanja 4.0 (PdM 4.0) u rudarstvu" in IX Međunarodna konferencija UGALJ 2019, Zlatibor, Srbija, 23-26. oktobar 2019., Jugoslovenski komitet za površinsku eksploataciju (2019)
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Чији је пример? Анализа лексичких обележја на примерима Речника САНУ
У овом раду поставља се питање: да ли се може утврдити ко је аутор неког текста уколико се анализирају искључиво његова лексичка обележја? Како бисмо покушали да добијемо одговор на ово питање, посматрали смо примере у оквиру речничког чланка појединачне лексеме Речника САНУ, који су забележени у пет томова (и то: I, II, XVIII, XIX и XX). Сваки пример је преузет из неког извора на шта упућују скраћенице, наведене у заградама. Од преко 5.000 понуђених извора, определили смо се ...... Entity Recognition), класификације текста (енгл. Text Classification) и многих других. Под класификовањем текста подразумева се обучавање математичког модела да аутоматски, на основу сад- ржаја, тексту додели одговарајућу класу (категорију) или више њих, из скупа унапред договорених класа. Идентификација ...
... великих слова, броју, типу и учесталости емотограма и сл. У раду се поставља питање: да ли је могуће техникама машинског учења обучити математички модел (са опцијом за аутоматску идентификацију) да ау- томатски идентификује аутора кратке поруке? Да би добио одговор на ово пи- тање, аутор разматра две ...
... упоређивали њихове вредности истовремено на примерима из дела одабраних аутора. Оваква анализа запра- во представља корак ка изради математичког модела машинског учења за аутоматску идентификацију ауторства. 2. О Речнику САНУ речник српскохрватског књижевног и народног језика (скраћено Речник САНУ1) ...Бранислава Б. Шандрих, Ранка М. Станковић, Мирјана С. Гочанин. "Чији је пример? Анализа лексичких обележја на примерима Речника САНУ" in Српски језик и његови ресурси, Међународни славистички центар, Филолошки факултет, Универзитет у Београду (2019). https://doi.org/10.18485/msc.2019.48.3.ch13
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The application of ArcGIS for assessing the potential of solar energy in urban area: The case of Vranje
In order to determine the solar energy potential for a specified location, it is crucial to consider the latitude, altitude, slope, terrain morphology, atmospheric conditions, etc. Such a complex calculation and mapping of solar energy can be done using the ArcGIS geoprocessing tool, named Area Solar Radiation (ASR). By using the ASR tool, supported with the adequate input data, it is possible to calculate the maximum solar radiation energy (irradiation) for a defined area and for a specified time ...... uniform sky diffuse model, Weighto,y, is calculated as follows (ESRI, 2019): Weighto„ = (cos0-- cos0;) / Divai where: 0; and 0+ = The bounding zenith angles of the sky sector. Divax = The number of azimuthal divisions in the sky map. For the standard overcast sky model, Weighto,„. is ...
... radiation can originate. In this case, the accepted default value is 8. Diffuse model type – there is a choice between two models: UNIFORM_SKY and STANDARD_OVERCAST_SKY. In this particular calculation, the first model is chosen, which considers the diffuse radiation as uniform from all directions ...
... cost-effectiveness of the usage of solar energy. The presented methodology can be applied to any other area with an appropriate digital elevation model (DEM), which is the main precondition to ensure the appropriate topographic parameters. Keywords: Renewable energy, solar potential, GIS, solar ...Boban Pavlović, Milica Pešić-Georgiadis. "The application of ArcGIS for assessing the potential of solar energy in urban area: The case of Vranje" in 12th International Conference on Energy and Climate Change, 9-11 October 2019, Athens - Greece, Energy Policy and Development Centre (KEPA) of the National and Kapodistrian University of Athens (2019)
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Application of Project Management Process on Environmental Management System Improvement in Mining-Energy Complexes
... to the state and impacts) model was developed during the 1970s for the purpose of organizing data in the field of the environment of Canada, and it eventually began to be used in the practice of OECD, in the working group for the state of the environment [10]. The PSR model is a concept by which ant ...
... develop a model of environmental quality management that would recognize all of the complexity of interactions within mining and energy complexes and the environment. • Environmental aspects related to interactions within mining and energy complexes should be organized by use of a suitable model (DPSIR ...
... surface mines (Ćirikovac, Klenovik, and Drmno) and two thermal power stations (TE “Kostolac A” (100 MW) and TE “Kostolac B” (2 × 348.5 MW)). The PSR model (Pressures, State, Response) was used for the organization of the interactions within “society–environment” system as the basis for indicator selection ...Jelena Malenović Nikolić, Dejan Vasović , Ivana Filipović , Stevan Mušicki, Ivica Ristović . "Application of Project Management Process on Environmental Management System Improvement in Mining-Energy Complexes" in Energies (2016). https://doi.org/https://doi.org/10.3390/en9121071