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182 items

  • Određivanje broja kamiona za transport jalovine na površinskom kopu „Šuplja Stijena“

    Siniša Bujišić (2024)
    U radu će se govoriti o praktičnoj primeni programskog paketa Talpac za određivanje broja kamiona za transport jalovine na površinskom kopu „Šuplja Stijena“, kao i o ulozi i značaju ovog programa u savremenom rudarstvu. Na osnovu ulaznih podataka i informacija vezanih za Šuplju Stijenu, uz pomoć programskog paketa Talpac izvršeno je projektovanje transportnih trasa. Transportne trase projektovane su tako da obezbede siguran rad ljudstva i opreme, a optimizovane su po pitanju transportnih dužina i organizacije proizvodnje. Kako bi se ...
    alpac, Površinski kop, Transport, Jalovina, Kamion, Šuplja Stijena
    ... Bucket Selection... 7} Identification Loading Unit Template Name IKOMATSU PC 800 Database Loading Unit _ (Std DB) |KOMATSU PC 800-BR| Loader Class: Shovel (hydraulic) Loading Unit Operation Database Bucket Capacity | 4.50|cu.metres Mvailable Bucket Capacity 3.60 (Fill Factor Applied) ...
    ... Costing Data · Distribution Data Actions and Global Options || Change Truck... Project Options... Identification Truck Template Name VOLVOA35E Database Truck · (Std DB) |VOLVO A35E Operation Restore Defaults Spot Time at loader 0.40|Mins Spot Time at Dump |_ 0.30|Mins Dumping Time |_ _0 ...
    ... Factor |__1.00 Weight Modfiication 24|Secs 18|Secs Motor Power | 309.0|kW 12|Secs Truck utilisation is product of loader and truck avail. Database Truck Payload | 33.50| tonne equiv.to Standard Body Capacity of this tnuck Empty Truck Weight | 28.10| tonne Actual Truck Payload | 33.50| tonne ...

  • EUROLAN 2021: Introduction to Linked Data for Linguistics Online Training School

    Milan Dojchinovski, Julia Bosque Gil, Jorge Gracia, Ranka Stanković (2021)
    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
    ... 19–21. Stanković, Ranka, Cvetana Krstev, Biljana Lazić, and Mihailo Škorić. 2018. “Electronic dictionaries-from file system to lemon based lexical database.” In Proceedings of the 11th LREC - W23 6th Workshop on Linked Data in Linguistics: Towards Linguistic Data Science (LDL- 2018), LREC 2018, Miyazaki ...

  • Sinteza i karakterizacija vanadata alkalnih metala sa elementima retkih zemalja

    Anđela Jovanović (2024)
    Predmet i cilj pisanja ovog rada su sinteza i karakterizacija vanadata alkalnih metala sa elementima retkih zemalja. Prilikom ovih istraživanja, ispitivan je sistem REE2O3–V2O5–KF, gde REE predstavlja trovalentni katjon izabranih elemenata retkih zemalja (Y, Sm, Eu, Gd, Er, Yb). Ovo istraživanje bazirano je na sintezi kristala, nakon čega su dobijeni kristali posmatrani pod binokularnom lupom, analizirani metodom rendgenske difrakcije na polikristalnom materijalu (XRPD) i metodom skenirajuće elektronske mikroskopije sa energetsko-disperzivnom spektroskopijom (SEM-EDS), kako bi se utvrdile karakteristike dobijenih kristala. ...
    elementi retkih zemalja, sinteza kristala metodom fluksa, vanadati alkalnih metala, rendgenska difrakcija, SEM-EDS metoda

  • Advantages and challenges in presenting mathematical content using EDX platform

    Marija Radojičić, Ivan Obradović, Ranka Stanković, Olivera Kitanović, Roberto Linzalone (2016)
    ... NET Framework for C# programming language and MVC design pattern, as well as HTML and JavaScript, whereas SQL Server served as support for the database. The application is located at http://termi.rgf.bg.ac.rs/ and consists of 5 specific units: browse, search, update, bibliography and profiles. Termi ...

  • Numerical modeling of Selanac debris flow propagation using SPH code

    Jelka Krušić, Biljana Abolmasov, Miloš Marjanović, Manuel Pastor, Saeid M. Tayyebi (2021)
    The Selanac debris flow is a very huge event triggered after extreme rainfall caused by Cyclone Tamara activity in the Republic of Serbia in May 2014. The Selanac case study was already modelling in different programs using Voellmy rheology assumptions like RAMMS software. In this paper research are focusing particularly on the process of debris flowing from initiation zone to main deposition area using Geoflow SPH two-phase model considering frictional rheology law. Main rheological parameters are back-calculated using also ...
    debris flow, modelling, SPH code, DEM
    ... 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 Committee of ISSMGE ...

  • Open Educational Resources in Serbia

    Ivan Obradović, Ranka Stanković, Marija Blagojević, Danijela Milošević (2020)
    Open educational resources, BAEKTEL, Metadata portal
    ... BAEKTEL metadata platform development is based on the open source Digital Asset Management (DAM) system ResourceSpace, relying on PHP backend, MySQL database and the GD Graphics Library (http://www.resourcespace.org/) 4 Chapter # - will be assigend by editors The Platform provides intelligent ...
    ... Faculty of Mathematics University of Belgrade. Professor Stanković is interested in e-learning, open education, semantic web, information systems, database modelling, geoinformation management and artificial intelligence. Her current research is focused on building custom components that incorporate ...

  • An Italian-Serbian Sentence Aligned Parallel Literary Corpus

    Saša Moderc, Ranka Stanković, Aleksandra Tomašević, Mihailo Škorić (2023)
    This article presents the construction and relevance of an Italian-Serbian sentence-aligned parallel corpus, delving into the aligned sentences in order to facilitate effective translation between the two languages. The parallel corpus serves as a valuable resource for language experts, researchers, and language enthusiasts, fostering a deeper understanding of linguistic nuances and cultural expressions. By bridging the gap between Serbian and Italian, this corpus opens new avenues for cross-cultural communication and collaboration, and ultimately contributes to the improvement of language-related ...
    Aligned corpus, parallel corpus, Serbian, Italian, literature

  • Proširivanje upita zasnovano na leksičkim resursima

    Ranka Stanković, Ivan Obradović, Cvetana Krstev (2009)
    U radu je opisano kako se leksički resursi za srpski jezik i softverski alati, razvijeni u okviru Grupe za jezičke tehnologije Univerziteta u Beogradu, mogu koristiti za unapređenje postavljanja upita. Rezultati pretrage mogu biti značajno unapređeni korišćenjem različitih leksičkih resursa, kakvi su morfološki rečnici i semantičke mreže. Izloženi pristup može se iskoristiti i u Sistemu naučnih, tehnoloških i poslovnih informacija, jer je efikasno pretraživanje ovog dragocenog resursa, imajući u vidu njegovu heterogenost i obim, kao i preovladavajući tekstualni sadržaj, ...
    ... l'ordinateur: De INTEX à NooJ, Presses Universitaires de Franche Compte, Paris, 2007. [4] Fellbaum C. (ed.) (1998) WordNet: An Electronic Lexical Database, The MIT Press. [5] Maurel D., Vitas D., Krstev S., Koeva S., (2007) „Prolex: a lexical model for translation of proper names. Application ...

  • Application of stochastic models for mine planning and coal quality control

    Dejan Stevanović, Božo Kolonja, Ranka Stanković, Dinko Knežević, Mirjana Banković (2014)
    ... ss_ meanlog, ss_ sdlog 2 2 1 � � � � � �; ( , )y The steps involved in the study can be summarized as: (1) Build a consistent geological database using drill holes and use this data to develop MinexTM coal quality seam models to map the variability associated with the in situ qualities. Generation ...
    ... 1+ S_stdey” ; y=rlnorm(l,ss_meanlog, ss_sdlog) s_ mean? The steps involved in the study can be summarized as: (1) Build a consistent geological database using drill holes and use this data to develop Minex™ coal quality seam models to map the variability associated with the in situ qualities. Generation ...

  • Integrisanje heterogenih leksičkih resursa

    Ranka Stanković, Cvetana Krstev, Duško Vitas, Ivan Obradović, Gordana Pavlović-Lažetić (2004)
    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 ...
    lekisički resursi, obrada prirodnog jezika, rečnici
    ... of the Workshop on Balkan Language Resources, 1st Balkan Conference in Informatics. [5] Vossen, P. (ed.) (1998). EuroWordNet: A Multilingual Database with Lexical Semantic Networks. Dordrecht: Kluwer Academic Publishers. [6] Krstev C., et al. (2004) Combining Heterogeneous Lexical Resources ...

  • LRMI markup of OER content within the BAEKTEL project

    Ranka Stanković, Daniela Carlucci, Olivera Kitanović, Nikola Vulović, Bojan Zlatić (2015)
    ... enrollment information, configurable marketing copy, and so on. Figure 2: LRMI tagging in BAEKTEL Edx platform is using Mongo NoSQL database for storing courses and custom APIs are used for retrieving metadata 3. Search OER tagged with LRMI is more easily discovered and accessed ...

  • Coal homogenization stockyard sizing “Tamnava – Zapad” case study

    Božo Kolonja, Dinko Knežević, Ranka Stanković, Dejan Stevanović, Detlef Trummer (2016)
    ... process takes place in several steps. The homogenization entails realistic planning of surface mining based on a precise and accurate coal quality database and proper use of available equipment. However, anticipated large oscillations and a large value range for lower heating value can result in inability ...

  • Approach to operational mine planning: Case study Tamnava West

    Dejan Stevanović, Mirjana Banković, Milica Pešić Georgiadis, Ranka Stanković (2014)
    ... Minex, the data went through many transformations. Borehole data where obtained from BpUBS (Integral data base of Serbian Coal Basins). This database stores all exploration drilling data from Kolubara Coal Basin, such as: basic information about drill hole (collar data), complete lithology ...

  • 3D modeling and monitoring of karst system as a base for its evaluation and utilization: a case study from eastern Serbia

    Saša Milanović, Zoran Stevanović, Ljiljana Vasić, Vesna Ristić-Vakanjac (2013)
    Earth-Surface Processes, Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary Change

  • A Mathematical Learning Environment Based on Serbian Language Resources

    Radojičić Marija, Obradović Ivan, Stanković Ranka, Utvić Miloć, Kaplar Sebastijan (2018)
    In recent years, in line with ever growing usage of Information technology, the learning environments are changing. The amount of available learning materials in various forms has increased. These new environments demand comprehensive learning systems, which enable management of the learning corpus with special attention paid to relevant lexical resources. In this paper we present the concept of a Mathematical Learning Environment in Serbian (MLES), which is based on a corpus of mathematical materials and various lexical resources, enabling ...
    mathematical content, text processing, mathematical formulae
    ... NET Framework for C# programming language and MVC design pattern, as well as HTML and JavaScript, whereas SQL Server served as support for the database. The application is located at http://termi.rgf.bg.ac.rs/ and consists of 5 specific units: browse, search, update, bibliography and profiles ...

  • Combining Heterogeneous Lexical Resources

    Cvetana Krstev, Duško Vitas, Ranka Stanković, Ivan Obradović, Gordana Pavlović-Lažetić (2004)
    development of lexical resources, morphological dictionaries, WordNet
    ... of the Workshop on Balkan Language Resources, 1st Balkan Conference in Informatics. - Vossen, P. (ed.) (1998). EuroWordNet: A Multilingual Database with Lexical Semantic Networks. Dordrecht: Kluwer Academic Publishers. 1106 ...

  • Production of electricity from coal-fired power plants and accompanying CO2 emissions: comparison of EU-27 and US

    Uroš Djorgovski, Aleksandar Madžarević, Predrag Jovančić (2023)
    Even in the third decade of the 21st century, large power plants are still responsible for more than half of the electricity production in Europe and US. They predominantly use fossil fuels in their work, which results in the emission of pollutants into the air, soil and water. In addition to the production of electric energy, fossil fuels, including coal, are used for industrial purposes. Although the use of coal, especially in the countries of the European Union, is ...
    CO2, емисија, угаљ, термоелектрана, САД, ЕУ-27
    ... at: https://eur-lex.europa.eu/legal-content/EN/TXT/?uriıCELEX%3A02010L0075-20110106 [4] Official Journal of the European Union, European Coal Database - Europe Beyond Coal, 2023. [5] ***. Power plants in the United States by source, available · at: https://openinframap.org/stats/area/Unite ...

  • Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays

    Vladimir Simić, Dragana Životić, Zoran Miladinović (2021)
    Management, Monitoring, Policy and Law,Nature and Landscape Conservation
    ... this article as they exhibit im- portant relationship between the origin of clays and their quality and morphology of de- posits, and quite a large database of unpublished reports. In this analysis we were using results from numerous geological reports on different industrial clays that were prepared ...
    ... ceramic clays, bentonites, and common clays that were available in the funds of geological insti- tutes that existed in the previous period. The database that we checked and analyzed also included a large number of papers published in the Serbian language, and the most important sources of information ...

  • A Twitter Corpus and Lexicon for Abusive Speech Detection in Serbian

    Danka Jokić, Ranka Stanković, Cvetana Krstev, Branislava Šandrih (2021)
    Uvredljivi govor na društvenim medijima, uključujući psovke, pogrdni govor i govor mržnje, dostigao je nivo pandemije. Sistem koji bi bio u stanju da detektuje takve tekstove mogao bi da pomogne da internet i društveni mediji postanu bolji virtuelni prostor sa više poštovanja. Istraživanja i komercijalna primena u ovoj oblasti do sada su bili fokusirani uglavnom na engleski jezik. Ovaj rad predstavlja rad na izgradnji AbCoSER-a, prvog korpusa uvredljivog govora na srpskom jeziku. Korpus se sastoji od 6.436 ručno označenih ...
    uvredljivi jezik, govor mržnje, srpski, tviter, leksikon, korpus
    ... org/TR/turtle/ https://www.w3.org/TR/turtle/ D. Jokić, R. Stanković, C. Krstev, and B. Šandrih 13:13 Figure 6 The Leximirka application for lexical database management and use. stops, punctuation, number of all tokens, average token length, max token length). We use this score to rank examples, but system ...
    ... conference on artiĄcial intelligence, pages 1621–1622, 2013. 22 Biljana Lazić and Mihailo Škorić. From DELA based dictionary to Leximirka lexical database. Infotheca Ű Journal for Digital Humanities, 19(2):81–98, 2020. doi:10.18485/infotheca. 2019.19.2.4. 23 Nikola Ljubešić, Darja Fišer, and Tomaž ...

  • Design of a sucker rod pumping system

    Ana Ponoćko (2024)
    For a long time in the history of oil production, sucker rod pumps have been the first and in many cases the only choice when it comes to mechanical extraction methods. Proper selection of each individual element of the system enables optimization, which entails benefits in the form of increased efficiency and reduced costs. The first part of the paper presents the underground and surface equipment of the rod pump and describes the operation of the entire system. The ...
    sucker rod pump, fluid production, mechanical extraction methods,, Prosper, QROD, RODSTAR
    ... RodStar includes a large database of pumping units, making it easy to select and compare units without needing to manually gather unit dimensions. It can model any pumping unit geometry, including long-stroke units, and you can enter custom data 1f your unit is not in the database. Advanced error trapping ...