Претрага
517 items
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Razvoj ARCGIS geobaze površinskog kopa korišćenjem UML CASE alata
... TypeDouble). The class Busotine inherits the abstract class ProstorneKlase, and via this class also ESRI classes Feature and Object. Namely, a hierarchy can exists among the classes, in which derived classes or sub-classes inherit attributes from their ancestor classes. Abstract classes do not have ...
... that is, a geodatabase, for open pit mines. The geodatabase dubbed OpmGIS has been modeled using UML and CASE tools that support the development process. The class model of the OpmGIS geodatabase has been developed in the MS Visio tool. The logical model of the geodatabase was transformed to the physical ...
... database model using the Unified Modeling Language (UML) and Computer-Aided Software Engineering (CASE) tools, which support the geodatabase development process. The first two approaches to geodatabase creation are suitable when smaller geodatabases or geodatabases of a simple structure are developed, while ...Aleksandra Tomašević, Ljiljana Kolonja, Ivan Obradović, Ranka Stanković, Olivera Kitanović. "Razvoj ARCGIS geobaze površinskog kopa korišćenjem UML CASE alata" in Podzemni radovi, Beograd : Univerzitet u Beogradu - Rudarsko-geološki fakultet (2012)
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Centar za hidrogeologiju karsta - 15 godina nauke i struke
... strenathened the scientific structure of the Centre, but also established the basis for further expansion and transfer. of knowledge in karst hydrogeology. Transferring knowledge as one of major tasks of the CKH is best achieved through the organization of the international Course “Characterization ...
... cycle in nature and its impact on the karst process Dr. Cao presented field equipment and devices that should be installed on karst terrains in Serbia, to observe and analyse the dynamics of the carbon cycle in nature and its impact on the karst process. According to this topic, a field trip of ...
... Karst Hydrogeology (CKH) of the Faculty of Mining & Geology at the University of Belgrade (FMG-UB), has been organizing scientific gatherings and expert meetings on its premises as well as in partners' exhibition and meeting halls. Within the scope of its tasks, mission, and objectives, it develops ...urednici Saša Milanović, Ljiljana Vasić, Zoran Stevanović, Branislav Petrović. Centar za hidrogeologiju karsta - 15 godina nauke i struke, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, Centar za hidrogeologiju karsta, 2023
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Project BEWARE—Landslide Post-disaster Relief Activities for Local Communities in Serbia
Biljana Abolmasov, Dobrica Damjanović, Miloš Marjanović, Ranka Stanković, Velizar Nikolić, Sandra Nedeljković, Žarko Petrović (2017)... landslides duringMay 2014. These measures are recognized as a part of non-structural measures in disaster relief process. 5. Landslide susceptibility maps—Analytical Hierarchy Process (AHP) used for modeling and assessing landslide susceptibility for study area. Landslide susceptibility maps prepared ...Biljana Abolmasov, Dobrica Damjanović, Miloš Marjanović, Ranka Stanković, Velizar Nikolić, Sandra Nedeljković, Žarko Petrović. "Project BEWARE—Landslide Post-disaster Relief Activities for Local Communities in Serbia" in Advancing Culture of Living with Landslides, Proceedings of 4th World Landslide Forum, Ljubljana 29 May-02 June 2017 3, Berlin : Springer Interantional (2017). https://doi.org/10.1007/978-3-319-53487-9_48
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Mitigating hydrate formation in onshore gas wells: A case study on optimization techniques and prevention
Gas wells, particularly those situated onshore, play a vital role in the global energy sector by supplying a significant portion of natural gas. However, operational challenges, notably gas hydrate formation, pose substantial issues, leading to complications such as flowline blockages and unexpected well shutdowns. Gas hydrates, crystalline structures resembling ice, ...Gas Well, Gas Hydrate Formation, Well Modeling, Well Performance Optimization, Choke Position Adjustments, Methanol InjectionMilica Ješić, Bojan Martinović, Stefan Stančić, Miroslav Crnogorac, Dušan Danilović. "Mitigating hydrate formation in onshore gas wells: A case study on optimization techniques and prevention" in Underground Mining Engineering, Beograd : Rudarsko-geološki fakultet (2023)
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Managing mining project documentation using human language technology
Purpose: This paper aims to develop a system, which would enable efficient management and exploitation of documentation in electronic form, related to mining projects, with information retrieval and information extraction (IE) features, using various language resources and natural language processing. Design/methodology/approach: The system is designed to integrate textual, lexical, semantic and terminological resources, enabling advanced document search and extraction of information. These resources are integrated with a set of Web services and applications, for different user profiles and use-cases. Findings: The ...Digital libraries, Information retrieval, Data mining, Human language technologies, Project documentationAleksandra Tomašević, Ranka Stanković, Miloš Utvić, Ivan Obradović, Božo Kolonja . "Managing mining project documentation using human language technology" in The Electronic Library (2018). https://doi.org/10.1108/EL-11-2017-0239
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Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays
... low exploration level of certain sedimentary basins, especially insufficient knowledge on the metallogenetic factors influencing the occurrence of certain types of industrial miner- als and especially insufficient knowledge on the origin and occurrences of certain types of industrial clays. Better ...
... and raw material quality) defines an almost uniform testing methodology, leaving the responsible designers without the opportunity to apply their knowledge and experience on a particular deposit, type of raw material or even a certain quality (grade) of raw ma- terial. Resources 2021, 10, 63 ...
... determination of a genetic type of a mineral deposit based on procedures necessary to perform the best available exploration project resulting in good knowledge of the deposit morphology, quality/grade of mineral commodity, and optimal utilisation (Figure 1). The next step is adequate evaluation and estimation ...Vladimir Simić, Dragana Životić, Zoran Miladinović. "Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays" in Resources, MDPI AG (2021). https://doi.org/10.3390/resources10060063
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KINDRA project – knowledge inventory for hydrogeology research
Vesna Ristić Vakanjac, Zoran Stevanović, Bojan Hajdin, Marina Čokorilo Ilić, Veljko Marinović (2017)Vesna Ristić Vakanjac, Zoran Stevanović, Bojan Hajdin, Marina Čokorilo Ilić, Veljko Marinović. "KINDRA project – knowledge inventory for hydrogeology research" in Proceedings of the national conference with international participation „Geosciences 2017“, Sofia, Bulgaria, 07-08 December, 2017, Sofia : Bulgarian Geological Society (2017)
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Refinement of waste phosphogypsum from Prahovo, Serbia: characterization and assessment of application in civil engineering
Josip Išek, Lazar Kaluđerović, Nikola Vuković, Maja Milošević, Ivana Vukašinović, Zorica Tomić (2020)... (PGIP), insoluble residue (PGIR) and Josip |. Išek et al. supernatant. Using the available literature data and general knowledge of the phosphoric acid production process, the most significant impurities identified in raw phosphogypsum were detrital quartz (by volume), RaSO, (by radioactivity) ...
... Editor: Asuman Turkmenoglu) Phosphogypsum is a waste product of the phosphoric acid manu- facturing process. It is produced in the form of a fine powder with a large calcium sulfate content. This process produces ~5 tons of phosphogypsum for every ton of phosphoric acid manufactured (Hammas eft al. ...
... to the mineral origin, from 260 to 1860 Bq kg for apatite and from 460 to 640 Bq kg for phosphorite (Saueia, 1998). Through the manufacturing process, ~80% of ? 'Ra, 14% of ŠU and 30% of Th tend to be enriched in phosphogypsum, and the rest remains in phosphoric acid (Jung et al, 2017). This ...Josip Išek, Lazar Kaluđerović, Nikola Vuković, Maja Milošević, Ivana Vukašinović, Zorica Tomić. "Refinement of waste phosphogypsum from Prahovo, Serbia: characterization and assessment of application in civil engineering" in Clay Minerals, Cambridge University press (2020). https://doi.org/10.1180/clm.2020.11
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Applying the Fuzzy Inference Model in Maintenance Centered to Safety: Case Study – Bucket Wheel Excavator
Predrag Jovančić, Miloš Tanasijević, Vladimir Milisavljević, Aleksandar Cvjetić, Dejan Ivezić, Uglješa Bugarić (2020)Predrag Jovančić, Miloš Tanasijević, Vladimir Milisavljević, Aleksandar Cvjetić, Dejan Ivezić, Uglješa Bugarić. "Applying the Fuzzy Inference Model in Maintenance Centered to Safety: Case Study – Bucket Wheel Excavator" in Applications and Challenges of Maintenance and Safety Engineering in Industry 4.0 , Pennsylvania : IGI Global (2020). https://doi.org/10.4018/978-1-7998-3904-0
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The Nooj System as Module within an Integrated Language Processing Environment
... project (Tufiş 2004). 3.3.2. The information from wordnet can be successfully used to enrich the morphological dictionaries, namely the wordnet hierarchy can be used to add semantic information to word entries in morphological dictionaries. Some basic semantic information has already been attached ...
... more systematic and more detailed attachment of such marks. Moreover, the attachment can be modeled according to the envisaged application. The hierarchy corresponding to the following branch in PWN (Prinston wordnet, Fellbaum 1998) abstraction:6 attribute:2 property:3 sound property:1 ...
... entry glas 'voice' (hyponym of 'sound:1’): glas,N16+Snd+SndProp+Prop+Attr+Abstr. Depending on the application the depth of the tree hierarchy and/or its level can be chosen. Since only some basic semantic information has been incorporated in the Serbian morphological dictionary, there ...Ranka Stanković, Duško Vitas, Cvetana Krstev. "The Nooj System as Module within an Integrated Language Processing Environment" in Proceedings of the 2007 International Nooj Conference, Cambridge Scholars Publishing (2008)
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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 ...... types (Grishman and Sundheim, 1996): organization, location, person, date, time, money and percent expressions. Sekine et al. (2002) proposed a NE hierarchy which contains about 150 NE types. There are three categories of NER systems: 1) The rule-based (RB) (Krupka and Hausman, 1998; Friburger and Maurel ...
... feminine last F1 = 0.79 vs. F1 = 0.49/0.64. One can presume that the use of gold standard produces more reli- able results. To the best of our knowledge, STANFORD NER and SPACY NER were used for the first time for the recognition of personal names in Serbian texts. Ljubešić et al. (2013) used STANFORD ...
... (overlapping), not cor- rect (not a name); • The missing tags were inserted, and typos that led to incorrect tagging were corrected. For some texts this process was repeated from one to four times which yielded “four levels” of gold standard. Between these repeated runs the devel- opment of SRPNER continued ...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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Structural characterization of traditional pottery produced from local clay, Rujište (Ražanj, Central Serbia), in an effort to preserve its geoheritage
... Investigation of the pottery was conducted to show the main characteristics of the raw clay body based on mineralogy and applying the obtained knowledge in the preservation of this type of intangible cultural heritage, inscribed in the National register of ICH and as geoheritage in Serbia as well ...
... materials and the final function of the product is closely connected, when material dictates technique. Production of pottery and the manufacturing process is yet to be closely investigated. References Djordjević, B. 2021. Ražanjsko crepuljarstvo. Izrada crepulja u Rujištu kod Ražnja. Ražanj 2021 ...Maja Milošević, Biljana Đorđević, Alena Zdravković . "Structural characterization of traditional pottery produced from local clay, Rujište (Ražanj, Central Serbia), in an effort to preserve its geoheritage" in 9th International Conference Mineralogy and Museums, Sofia, Bulgaria, Earth and Man National Museum and Bulgarian Mineralogical Society (2021)
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Towards the semantic annotation of SR-ELEXIS corpus: Insights into Multiword Expressions and Named Entities
Овај рад представља активности на развоју корпуса ELEXIS-sr, српском додатку вишејезичном анотираном корпусу ELEXIS-а, који се састоји од семантичких анотација и репозиторија значења речи. ELEXIS је паралелни вишејезични анотирани корпус на десет европских језика, који може да се користи као вишејезички репер за евалуацију европских језика са мање и средње развијеним ресурсима. Фокус овог рада је на вишечланим изразима и именованим ентитетима, њиховом препознавању у скупу реченица ELEXIS-sr и поређењу са анотацијама на другим језицима. Разматрају се први кораци ...Cvetana Krstev, Ranka Stanković, Aleksandra Marković, Teodora Mihajlov. "Towards the semantic annotation of SR-ELEXIS corpus: Insights into Multiword Expressions and Named Entities" in Proceedings of the Joint Workshop on Multiword Expressions and Universal Dependencies (MWE-UD) @ LREC-COLING 2024, Turin, May 25, 2024, ELRA and ICCL (2024)
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Geological knowledge in service to archaeological investigations: rock and ceramic findings as examples
Kristina Šarić, Suzana Erić, Vladica Cvetković, Josip Šarić, Dragana Antonović, Vesna Bikić. "Geological knowledge in service to archaeological investigations: rock and ceramic findings as examples" in Science for Conservation of the Danube Limes, Mortar Design for Conservation – Danube Roman Frontier 2,000 Years After. 1st International conference with workshop, Viminacium, Serbia, June 27th - July 1st, 2022, Belgrade : Institute of Archaeology (2022)
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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... РАЗВОЈА различитих метода, а за потребе развоја овог синтезног модела коришћено је рангирање засновно на примени вишекритеријумске АХП (Analytic Hierarchy Process) методе. На тај начин рангирни подаци се користе као улазни подаци фази скупа, који се даље анализирају у поступку фази композиције. Као ...
... индикаторе. (III) У трећем кораку се ради рангирање. У литератури је присутан већи број метода рангирања. У овом раду биће коришћена метода Analytic Hierarchy Process (АХП). Ова метода карактеристична је по томе што даје могућност наглашавања утицаја одређеног парцијалног индикатора у опису синтезног ...
... Индиректан екоошки ефекат; - Фазификација улазних података кроз експертске процене и нумеричке улазне податке; - Рангирање употребом методе Analytic Hierarchy Process (АХП), коју карактерише могућност наглашавања утицаја одређеног парцијалног индикатора у опису синтезног индикатора и свођења субјективног ...Александар Маџаревић. Методологија интегралне анализе сценарија енергетског развоја, Рударско-геолошки факултет, 2019
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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.... in mining and mineral processing: Applications and trends. Expert [8] Bazzazi, A. A., Osanloo, M., & Karimi, B. (2011). Deriving preference order of open pit mines equipment through MADM methods: Application of modified VIKOR method. Expert Systems with Applications, 38(3), 2550-2556;Systems with Ap ...
... Srbije, 2019.; [4] Samanta, B., Sarkar, B., & Murkherjee, S.K. (2002). Selection of opencast mining equipment by a multi-criteria decision-making process. Mining Technology, 111(2), 136-142; [5] Basçetin, A. (2009). The study of decision making tools for equipment selection in mining engineering operations ...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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Towards translation of educational resources using GIZA++
... re- used for later translations. If there are segments that do not match 100 %, the search functions of CAT tools can find them through special "fuzzy search" features. CAT tool has support for terminology look-up, display and insertion of the search results into the text being translated. ...
... with library that enables usage of Moses in the JavaScript language. Loading multiple translation systems into the same node process is provided. This means the same process can hold multiple distinctly different translation models (e.g., Chinese to English in IT and English to French in medicine) ...
... CURRENT APPROACHES For translation of eLearning resources both language translation, and eLearning skills are necessary. The translation team needs knowledge of various software platforms and custom formats. Data exchange with different platforms can be technically challenging, since there is no common ...Ivan Obradović, Dalibor Vorkapić, Ranka Stanković, Nikola Vulović, Miladin Kotorčević. "Towards translation of educational resources using GIZA++" in The Seventh International Conference on e-Learning (eLearning-2016), September 2016, Belgrade : Metropolitan Univesity (2016)
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2D geoelectrical resistivity tomography application at the former city waste dump "Ada Huja": Eco-geological problem
... degradation process), • Hydrolysis. Natural plastic degradation starts with the process of photodegradation. UV rays emit energy which is used to incorporate oxygen atoms into the polymer, and because of this, plastic becomes susceptible to strain (easier to break apart). This process is repeated ...
... consumed by microorganisms who further whiter away the plastic and convert it to carbon-dioxide. The whole process can last about fifty years (Webb et al., 2013). Even though the whole process lasts for about half a century, in the case of “Ada Huja” that number is not an issue because the waste is ...
... as the production of methane, hydrogen-sulfide, carbon-dioxide and carbon-monoxide. Based on the research of the disposed waste origin and the knowledge of building material production during the twentieth century, there exists a founded assumption of environmental pollution with fiber (asbestos) ...Branislav Sretenović, Filip Arnaut, Ivana Vasiljević, Vesna Cvetkov. "2D geoelectrical resistivity tomography application at the former city waste dump "Ada Huja": Eco-geological problem" in Podzemni radovi, Centre for Evaluation in Education and Science (CEON/CEES) (2019). https://doi.org/10.5937/PodRad1934059S
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Upravljanje proizvodnjom nafte – novi alat na bazi fazi logike
... determining Knowledge Management (Nguyen) was defined as a dependent variable. The results of the research show that the locus of control influences the implementation of management knowledge, through three dimensions: Knowledge acquisition process (Sig. 0.010), Knowledge conversion process (Sig. 0.023) ...
... 023), and through the process of applying knowledge (Sig. 0.029). Keywords: Locus of control, human resources, knowledge management. 7 mila@tfzr.uns.ac.rs 8 cole@tfzr.uns.ac.rs 9 sanja84stanisavljev@gmail.com Preduzetništvo, inženjerstvo ...
... both in the production process and in the process of exploitation and disposal of products. When developing products, engineers adhere to the principles of circular economy. Experienced engineers more often decide to make a choice of safe, reliable and tested materials. Knowledge of the quality of materials ...Мирослав Црногорац, Душан Даниловић, Лола Томић. "Upravljanje proizvodnjom nafte – novi alat na bazi fazi logike" in IX Naučno stručni skup Preduzetništvo, inženjerstvo i menadžment Zrenjanin, 24.10.2020. god., Visoka tehnička škola strukovnih studija u Zrenjaninu (2020)
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A comparison between ARIMA, LSTM, ARIMA-LSTM and SSA for cross-border rail freight traffic forecasting: the case of Alpine-Western Balkan Rail Freight Corridor
Miloš Milenković, Miloš Gligorić, Nebojša Bojović, Zoran Gligorić. "A comparison between ARIMA, LSTM, ARIMA-LSTM and SSA for cross-border rail freight traffic forecasting: the case of Alpine-Western Balkan Rail Freight Corridor" in Transportation Planning and Technology, Informa UK Limited (2023). https://doi.org/10.1080/03081060.2023.2245389