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Упит dcterms_subject_txt:Electrical and Electronic Engineering,Industrial and Manufacturing Engineering

2388 items

  • Indexing of textual databases based on lexical resources: A case study for Serbian

    Ranka Stanković, Cvetana Krstev, Ivan Obradović, Olivera Kitanović (2015)
    In this paper we describe an approach to improvement of information retrieval results for large textual databases by pre-indexing documents using bag-of-words and Named Entity Recognition. The approach was applied on a database of geological projects financed by the Republic of Serbia in the last half century. Each document within this database is described by metadata, consisting of several fields such as title, domain, keywords, abstract, geographical location and the like. A bag of words was produced from these ...
    ... processing of Serbian consisting of lexical resources and local grammars are being developed using the finite-state methodology as described in [1], [2]. The role of electronic dictionar- ies, covering both simple words and multi-word units, and dictionary finite-state transducers (FSTs) is text tagging ...
    ... hydrogeology and engineering geology. Users of published information, professionals or ordinary citizens, can use this geo-portal for search and access to information they need. The content on the portal can be grouped into several categories: cartographic content, multimedia, dictionaries and textual databases ...
    ... was trained on a corpus that differs significantly from our collection, and additionally it does not take into account MWUs. The approach described in this paper bases lemmatization on morphological electronic dictionaries and finite state transducers for Serbian [6]. 4.1 Used Resources Lexical ...

  • Application of machine learning for diagnosing the operation of a deep well pump in oil production

    Maja Trikić (2024)
    This paper will thoroughly examine how machine learning can improve the diagnosis of deep well pumps by analyzing the role and function of the pumps, dynamograms, sensor technologies, and diagnostic methods.Our analysis will provide insights into modern techniques and approaches for enhancing the performance and reliability of oil production systems, targeting cost reduction and increased operational efficiency.
    deep well pump, dynamograms, machine learning, diagnostics of operating coditions,Random Forest, XGBoost
    ... transistors, whose electrical properties vary with temperature changes. Semiconductor sensors are compact and are often used in electronic devices, such as computers and mobile phones.Temperature sensors are crucial for detecting issues with submersible pumps across various sectors and applications ...
    ... they enable accurate measurement of the speed and quantity of fluids or gases passing through a system. Their applications span various sectors such as the energy industry, chemical manufacturing, water supply and sewage, automotive 33 industry, and many others. Flow sensors help in optimizing ...
    ... for detecting issues in submersible pumps, as well as in many industrial, commercial, and scientific applications. These sensors enable precise measurement and control of fluid and gas pressures, which is crucial for identifying and addressing problems in submersible pump systems. Proper operation ...

  • Energetska efikasnost elektromotora na površinskim kopovima

    Snežana Aleksandrović, Ilija Jeftenić (2023)

  • Terminological and lexical resources used to provide open multilingual educational resources

    Biljana Lazić, Danica Seničić, Aleksandra Tomašević, Bojan Zlatić (2016)
    Open educational resources (OER) within BAEKTEL (Blending Academic and Entrepreneurial Knowledge in Technology enhanced learning) network will be available in different languages, mostly in the languages of Western Balkans, Russian and English. University of Belgrade (UB) hosts a central repository based on: BAEKTEL Metadata Portal (BMP), terminological web application for management, browse and search of terminological resources, web services for linguistic support (query expansion, information retrieval, OER indexing, etc.), annotation of selected resources and OER repository on local edX ...
    otvoreni obrazovni resursi, leksički resursi, obrada prirodnih jezika, terminologija
    ... Obradović, O. Kitanović and Lj. Kolonja, “Building terminological resources in an e- learning envinronment,” in Proc. 3rd International Conference on e-Learning (eLearning-2012), 2012, pp. 114–119. [9] S. Vujičić Stanković, C. Krstev and D. Vitas, “Enriching Serbian WordNet and Electronic Dictionaries with ...
    ... science, engineering and statistics, as we go more in-depth, experts from more narrow fields are required. For example, NLP tools for language learning must connect to Second Language Acquisition (SLA) and Foreign Language and Teaching (FLTL) research with insights from Cognitive Psychology and Empirical ...
    ... art, business potential, and grand challenges,” in Ontology Management, 1 st ed., M. Hepp, P. DeLeenheer, A. De Moor and Y.Sure, Ed. Springer US, 2008, pp. 3-22. [11] M. Uschhold and M. Gruninger, “Ontologies: Principles, methods and applications,” Knowledge engineering review, vol. 11, No. 2, pp ...

  • Contribution to the geotechnical classification of municipal waste landfills in Serbia

    Dragoslav Rakić, Irena Basarić, Laslo Čaki, Slobodan Ćorić (2018)
    Management, Monitoring, Policy and Law, Nature and Landscape Conservation, Geochemistry and Petrology, Waste Management and Disposal,Geotechnical Engineering and Engineering Geology,Water Science and Technology,Environmental Chemistry,Environmental Engineering

  • Investigation of quantitative indicators of anisotropy based on longitudinal elastic waves propagation velocities with uncertainty

    Miloš Gligorić, Jelena Majstorović, Suzana Lutovac (2018)
    ... Natural Sciences, University of Oslo MOORE R. E., KEARFOTT R. B. and CLOUD M. J. (2009) Introduction to interval analysis. Philadelphia: Society for Industrial and Applied Mathematics. MYRIN M. and MALAGA K. (2006) A case study on the evaluation of consolidation treatment of Gotland sandstone by use ...
    ... Influence of microfractures and porosity on the physicomechanical properties and weathering of ornamental granites. Engineering Geology, 77, pp. 153–168. TRINDADE R. M. P. et al. (2010) An Interval Metric. In: New Advanced Technologies. InTech. VALDELON L., DE FREITAS M.H. and KING M.S. (1996) Assessment ...
    ... Faculty of Mining and Geology archives faculty publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs UNDERGROUND MINING ENGINEERING 32 (2018) 1-14 UDK 62 UNIVERSITY OF BELGRADE - FACULTY OF MINING AND GEOLOGY ISSN 03542904 ...

  • A bilingual digital library for academic and entrepreneurial knowledge management

    Ranka Stanković, Cvetana Krstev, Biljana Lazić, Dalibor Vorkapić (2015)
    A generic knowledge management process of organization, storage and retrieval of knowledge can suitably be fitted in a digital library. In the digital and knowledge age digital libraries can be used in knowledge management to handle intellectual assets and support knowledge creation. A multilingual digital library either stores content in more than one language or provides multilingual query access to monolingual content. In Serbia 18 of 308 scientific journals regularly published are bi-lingual, with papers simultaneously being in English ...
    Knowledge management, Digital library, Multilingualism, Language Resources, Terminology
    ... of library and information sciences, digital humanities, architecture and mining and also project reports on academic and entrepreneurial knowledge and e-learning. It contains articles from three journals INFOtheca - Journal for Digital Humanities, Underground Mining Engineering, and Architecture ...
    ... maintained by Ministry of Mining and Energy. Many institutions working with geological data are using GeolISS. 4http://rudonto.rgf.bg.ac.rs/ is the system of ontologies developed for the mining engineering and its applications in mining equipment and mine safety domains. TMX & metadata DB Database ...
    ... we also add electronic learning to our query, but we obtain the same result. As a result of our research, we can conclude that the English term “e-learning” has two Serbian equivalents: “e-učenje” and “elektronsko učenje”. Two more terms are occasionally used “e-nastava” and “e-obrazovanje” ...

  • Geoenvironmental Investigations at a Smelter Location in Bor (Serbia)

    Petar Papić, Zvonimir Milijić, Jana Stojković, Jovana Milosavljević, Maja Todorović, Marina Ćuk, Željko Kamberović (2014)

  • Integrative GHG Assessment in Oil and Gas Industry

    Aleksandar Mirković, Marija Živković, Stevan Đenadić, Darja Lubarda, Chinedu Anyanwa (2023)
    Reducing greenhouse gas emissions is one of the main targets of national strategies in European countries. As a main contributor to emissions, the energy sector is recognized as the most promising to apply measures and actions aimed to decrease GHG emissions. The Oil and Gas industry as a significant contributor to global greenhouse gas emissions is facing a growing need for estimating, mitigating, and reducing the impact of their operations on the atmosphere to stay competitive in a newly ...
    energetska tranzicija, gasovi staklene baste, industrija, nafta i gas
    ... growth and industrial development, and rising: level of living standard have beecn accompanied by increased demand for various forms of cnergy. Most of the world's encrgy is still derived from fossil fuels. In 2021 the share of fossil fuels amounts 80.9%, while the share of biofuels and waste ...
    ... consensus to limit increases in the global average temperature to well below 2%C compared to pre-industrial levels, and to make efforts to limit the temperature increase to 1.55C compared to pre-industrial levels [6]. The task set before thc countries that signed the agreement is not casy to accomplish ...
    ... yield emissions 54 estimate. The methodology is of low complexity and widely adopted. • Engincering Calculations: The methodology covers thc usage of engincering models, technical domain equations, and genecral engineering principles to estimate fugitive emissions under certain opcrating: ...

  • Centar za hidrogeologiju karsta - 15 godina nauke i struke

    urednici Saša Milanović, Ljiljana Vasić, Zoran Stevanović, Branislav Petrović (2023)
    Centar za hidrogeologiju karsta
    ... up to 50 m and 100 m deep, as well as digital data loggers (diver), compact groundwater monitoring instrument for the continuous and autonomous measuring of level and temperature in groundwater, surface WateT, and industrial waters: type Eijkelkamp TD-Diver with a range of 100 m and a measurement ...
    ... precise, and waterproof field-portable instrument for fast and reliable measurement of the electrical conductivity of water (us/cm), with an integrated sensor for measuring temperature ("C) WTW pH 340i / set — compact, precise, and waterproof field-portable instrument for fast and reliable ...
    ... Resources and Characterization and Engineering of Karst Aquifers). He has published 59 papers in domestic and international journals and monographs, of which 6 papers in Journals from the SCI list, with citations 36 times, h-index 3, and 110- index 1. He participated in numerous conferences and workshops ...

  • Развој геолошког терминолошког речника ГеолИССТерм

    Ranka Stanković, Branislav Trivić, Olivera Kitanović, Branislav Blagojević, Velizar Nikolić (2011)
    ... concepts and terms. geolISSTerm can be an elementary electronic resource in the process of domain formation in the geologic Information System of Serbia (geolISS). As such, it is the core of geolISS through which validation, classification and specification of at- tributes of the observed and the interpreted ...
    ... terminology and nomenclature. The main aim of the development of this electronic resource was the creation of a standard dictionary of geologic terms for the purpose of providing logically consistent description, interpretation and classification of geological units, geologic structure, mineral and hydrological ...
    ... Belgrade 5 ministry of the environment, mining and Spatial Planning of the republic of Serbia Translated from Serbian by Jelena Bajić ScIeNTIFIc PAPer UDc 55:001.4:004.9(038) Abstract: This paper presents the structure and implementation of the electronic diction- ary of geologic terms (geolISSTerm) ...

  • Development of the Availability Concept by Using Fuzzy Theory with AHP Correction, a Case Study: Bulldozers in the Open-Pit Lignite Mine

    Stevan Đenadić, Dragan Ignjatović, Miloš Tanasijević, Uglješa Bugarić, Ivan Janković, Tomislav Šubaranović (2019)
    Availability is one of the most used terms in maintainability engineering. This concept is used to denote: The quality of service of an engineering system, i.e., machines, weak points’ analysis, asset management, as well as making decisions in the process of life cycle management. Availability is an overall indicator and contains partial indicators that are oriented towards reliability, maintenance, and logistical support. Availability presents a variable value and changes in time and space. Usually, availability is shown as the ...
    raspoloživost, fazi teorija, AHP višekriterijumska analiza, eksperska ocena, buldozer
    ... Ignjatovic, D.; Jovancic, P. Optimisation of Operation and Costs of Auxiliary Mechanization in Order to Increase the Utilization of Overburden and Coal Systems on the Open-Cast Mines of Electrical Power Supply of Serbia—Research Study; Faculty of Mining and Geology: Belgrade, Serbia, 2018. © 2019 by the ...
    ... of the engineering system, their independent analysis, and ranking, and finally gives the possibility of composition. Structural definitions of each outcome are given in accordance with the work environment. The result has two dimensions, one is the linguistic description of availability and the other ...
    ... Systems Maintainability and Reliability; The Research Center of Dependability and Quality Management DQM: Prijevor, Serbia, 2007. 2. Dhillon, B.S. Mining Equipment Reliability, Maintainability and Safety; Springer: London, UK, 2008. 3. Todorovic, J. Maintainability Engineering; JUMV: Belgrade, Serbia ...

  • Correlation Between Dynamic CBR and Compaction and Bearing Capacity of Pavement Foundation Layers

    Milan Bogdanović, Snežana Bogdanović, Dragoslav Rakić, Irena Basarić Ikodinović (2024)
    This paper presents a dynamic California Bearing Ratio (CBRd) device that can be used on a prepared pavement foundation layer to obtain a certain parameter of the tested material in the laboratory and in situ in a direct and fast way. For the selected natural material (gravel), it is shown that the laboratory CBRd can be used to estimate the compaction and bearing capacity, because it correlates well with the parameters of the standard and modifed Proctor compaction tests. ...
    korelacija parametara, donji slojevi saobraćajnica, laboratorijska i terenska ispitivanja, dinamički kalifornijski indeks nosivosti CBRd
    ... recorded using an electronic device, which prevented poten- tial measurement errors. The LWD tests were performed in accordance with TP BF-StB Teil B 8.3 [16], and approximately five minutes were required for one test. Research Results To establish correlations between the compaction and bearing capacity ...
    ... of Belgrade Faculty of Mining and Geology archives faculty publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs DO!I 10.1007/511204-024-09939-x Soil Mechanics and Foundation Engineering, Vol. 61, No. 1, March, 2024 (Russian ...
    ... Capacity of Pavement Foundation Layers | Milan Bogdanović, Snežana Bogdanović, Dragoslav Rakić, Irena Basarić Ikodinović | Soil Mechanics and Foundation Engineering | 2024 | | 10.1007/s11204-024-09939-x http://dr.rgf.bg.ac.rs/s/repo/item/0008686 Дигитални репозиторијум Рударско-геолошког факултета ...

  • Underground loading-haulage equipment selection with application of topsis method with different weighting methods of criteria

    Vladimir Krivošić, Luka Crnogorac, Rade Tokalić (2024)
    The choice of adequate mining machines is one of the most complex problems in the underground exploitation of mineral raw materials. The weight of such a decision is reflected in the high prices of these machines and the occurrence of even greater costs during their use if their choice was wrongly conceived. There are numerous examples from practice in which such decisions were made solely on the basis of comparing the prices of machines, without considering any of the ...
    utovarno-transportna mehanizacija, izbor, TOPSIS, entropija, standardna devijacija, težina kriterijuma

  • Bilingual lexical extraction based on word alignment for improving corpus search

    Jelena Andonovski, Branislava Šandrih, Olivera Kitanović (2019)
    Library and Information Sciences,Computer Science Applications

  • Mineralogical analysis of a clay body from Zlakusa, Serbia, used in the manufacture of traditional pottery

    Maja Milošević, Biljana Đorđević, Mihovil Logar (2020)
    калцит, сирова глина, традиционална керамика, Злакуса
    ... Characteristics and industrial application of the Lower Cretaceous clay deposits (Bouhedma Formation), southeast Tunisia: potential use for the manufacturing of ceramic tiles and bricks. Applied Clay Scienmce, 123, 210–221. Celik H. (2010) Technological characterization and industrial application ...
    ... E. (2011) Industrial clays. Pp. 341-414 in: Advamces in the Characterization of Industrial Clays (G.E. Christidis, editor). EMU Notes in Mineralogy, 9, London, UK, European Mineralogical Union and the Mineralogical Society of Great Britain & Ireland. Maja Milošević, Mihovil Logar and Biljana Djordjević ...
    ... temper, filler, clay body and its provenance with relation to a specific production centre can be performed more accurately through investigation of clay materials used in the production of ceramics (Montana et al., 2011). Raw materials such as clays have various industrial and technological applications ...

  • Phase relations and physical indicators of municipal waste from old landfills in Serbia

    Dragoslav R Rakić, Irena G Basarić Ikodinović, Jovana M Janković, Tina D Đurić (2021)
    Due to certain similarities of municipal waste and soil, usually for the determination of basic parameters of physical state, laboratory and field tests which are common in geotechnical investigations are used. It is often to construct an apparatus for special purpose to perform some specific laboratory and field tests. Therefore, different values of indicators of municipal waste physical state can be found in the literature. The basic reasons should be found in different definitions and methods that researchers use ...
    municipal waste, moisture content, unit weight, specific gravity, grain size distribution, porosityGeneral Computer Science
    ... 24-39. 5) Huat, B.K. (2004): Organic and Peat Soils Engineering, Serdang: University Putra Malaysia Press,146. 6) Kaniraj, S.R..Joseph, R.R. (1996):Geotechnical behavior of organic soils of North Sarawak, 4" International Conference on Sofi Soil Engineering, Vancouver, Canada, 267-274. 7) Machado ...
    ... waste, Jourmal of Geotechnical and Geoenvironmental Engineering, ASCE, 132(10), 1250-1261. 6) Zornberg J.G., Jernigan B.L., Sanglerat T.R., Cooley B.H. (1999): Retention of free liquids in landfills undergoing vertical expansion, Jowmmal of Geotechnical — and Geoenvironmental Engineeringč ...
    ... Francis Group, Torino, taly, 347-354. 1) Rakić D., Basarić I, Berisavljević Z., Berisavljević D. (2016):Geotechnical characteristics of industrial waste slag and sludge from Smederevo steel mill, Serbia. J Knviron Prot Ecol,17(2), 512-522. 2) Rakić D.,Basarić l., Čaki L., Ćorić, S. (2018):Contribution ...

  • Contribution to the geotechnical classification of municipal waste landfills in Serbia

    Dragoslav Rakić, Irena Basarić, Laslo Čaki, Slobodan Ćorić (2018)
    Management, Monitoring, Policy and Law,Nature and Landscape Conservation,Geochemistry and Petrology,Waste Management and Disposal,Geotechnical Engineering and Engineering Geology,Water Science and Technology,Environmental Chemistry,Environmental Engineering

  • Definition of criteria and alternatives for choosing the optimal mining method deposits when applying multi: Criteria optimization, Belgrade, June 2024

    Sanja Bajić, Dragoljub Bajić, Branko Gluščević, Radmila Gaćina, Josip Išek (2024)
    multi-criteria decision-making, definition of criteria, underground exploitation

  • Quantitative landslide risk assessment in the city of Tuzla

    Miloš Marjanović, Biljana Abolmasov, Cvjetko Sandić, Miralem Mulać, Petar Begović (2021)
    In the climate-changing conditions, geological environment interacts more dramatically with the urban fabric than before. The urbanization is expansive and more aggressive than before, but so are the weather extremes and long-term climate trends. In effect, many processes which can be triggered by either side, nature or engineering, are becoming more pervasive than before, and such is the case with landslides. Dealing and managing landslides requires few crucial steps, starting from collecting data on landslide location and typology – ...
    "landslides", "risk assessment"
    ... following separate geological proxies: engineering geological units, hydrogeological units and distance to hydrogeological boundaries. Engineering geological units were classified on the basis of engineering properties. All rocks with similar cohesion and compactness were aggregated together. Proposed ...
    ... Soil Mechanics and Geotechnical Engineering (ISSMGE). The library is available here: https://www.issmge.org/publications/online-library This is an open-access database that archives thousands of papers published under the Auspices of the ISSMGE and maintained by the Innovation and Development ...
    ... Faculty of Mining and Geology, Đušina 7, Belgrade, Serbia 2) Geological Survey of the Republic of Srpska, Vuka Karadzica 148 B, Zvornik, Bosnia and Herzegovina 3) Headquarters of Civil Protection Tuzla, Aleja Alije Izetbegovića4, Tuzla, Bosnia and Herzegovina 4) IBIS Engineering, Omladinska 28, Banja ...