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1051 items

  • Испитивање магнетске сусцептибилности прашине антропогеног порекла

    Дубравка Новичић, Весна Цветков, Весна Дамњановић (2019)
    ... Цветков, Весна Дамњановић | VII Меморијални научни скуп из заштите животне средине доцент др Милена Далмација Нови Сад, 01-02. април 2019 | 2019 | | http://dr.rgf.bg.ac.rs/s/repo/item/0005716 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...

  • Pre-failure deformation monitoring as rockfall prediction tool

    Miloš Marjanović, Biljana Abolmasov, Zoran Berisavljević, Marko Pejić, Petko Vranić (2021)
    General Engineering
    ... Zoran Berisavljević, Marko Pejić, Petko Vranić | IOP Conference Series: Earth and Environmental Science | 2021 | | 10.1088/1755-1315/833/1/012197 http://dr.rgf.bg.ac.rs/s/repo/item/0005680 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...

  • Simulation of Hydrogeological Environmental Discharge in Case of Interruption Constant Observations

    Marina Čokorilo Ilić, Dragoljub Bajić, Miroslav Popović (2024)
    Monitoring Network, data, hydrogeological environment, tunnel, simulation

  • Fuzzy expert analysis of the severity of mining machinery failure

    Dejan V. Petrović, Miloš Tanasijević, Saša Stojadinović, Jelena Ivaz, Pavle Stojković (2020)
    Mining machinery failure is almost an everyday occurrence. Usually the failures bare certain consequences, which require additional financial costs to repair and restore the system to its operational state. The consequences are viewed through negative and damaging effects a failure has on the machine, health and safety of the employees, work environment, and on the environment. The removal of the consequences of the failure requires additional financial investment, which has a negative impact on the company’s business. In order ...
    Severity of failure, Severity of failure assessment, Mining machinery, Fuzzy sets, Fuzzy logic

  • Antioxidant and antimicrobial activity of some tetradentate Schiff bases and their Cu (II) complexes

    Aleksandar Mijatović, Milan Nikolić, Snežana Spasić, Aleksandra N. Žerađanin, Kristina Joksimović, Aleksandar Lolić, Rada Baošić (2020)
    Šifove baze i njihovi Cu(II) kompleksi su poznati po svojoj biološkoj aktivnosti. U ovom radu proučavana je antibakterijska aktivnost protiv gram-negativnih sojeva Escherichia coli, Pseudomonas aeruginosa i Staphilococcus piogenes, kao i Gram-pozitivnih Staphilococcus piogenes i Pseudomonas aeruginosa, zajedno sa antifungalnim dejstvom protiv Musperg strainilusa, A. Takođe, tehnički jednostavni i brzi testovi kao što su ABTS, HORAC i ORAC korišćeni su za ispitivanje antioksidativne aktivnosti kako bi se uporedili dobijeni rezultati sa različitim tipovima testova. Uprkos tome što je princip ...

  • Flyrock induced by blasting in surface mining

    Milanka Negovanović, Lazar Kričak, Snežana Ignjatović, Stefan Milanović, Jovan Marković, Nikola Simić, Rade Šarac (2022)
    Miniranje predstavlja i dalje najefikasniji i najjeftiniji način eksploatacije velikih količina čvrstih mineralnih sirovina na površinskim kopovima. Energija eksplozije se koristi za fragmentaciju čvrste stenske mase do zahtevane granulacije. Pored pozitivnih efekata miniranja, postoje i određeni neželjeni efekti svakog procesa miniranja koji se mogu javiti, a to su: potresi tla, razletanje komada stene, vazdušni udari, otrovni i zagušljivi gasovi i prašina. Razletanje komada stene je nekontrolisano izbacivanje fragmenata odminirane stenske mase i predstavlja jedan od glavnih izvora materijalne štete ...
    razletanje, bušenje, miniranje, površinska eksploatacija, bezbednost, nesreća

  • Terminology Acquisition and Description Using Lexical Resources and Local Grammars

    Cvetana Krstev, Ranka Stanković, Ivan Obradović, Biljana Lazić (2015)
    Acquisition of new terminology from specific domains and its adequate description within terminological dictionaries is a complex task, especially for languages that are morphologically complex such as Serbian. In this paper we present an approach to solving this task semi-automatically on basis of lexical resources and local grammars developed for Serbian. Special attention is given to automatic inflectional class prediction for simple adjectives and nouns and the use of syntactic graphs for extraction of Multi-Word Unit (MWU) candidates for ...
    ... it contains very specific terms, such as causes of injuries, employee positions, types of injuries, or tech- 2 http://geoliss.mprrpp.gov.rs/term 3 http://rudonto.rgf.bg.ac.rs/ 4 http://rbi.nb.rs/en/home.html nical characteristics of machines, which are often longer MWUs than the less specific ...
    ... Stanković, Ivan Obradović, Biljana Lazić | Proceedings of the 11th Conference on Terminology and Artificial Intelligence, Granada, Spain, 2015 | 2015 | | http://dr.rgf.bg.ac.rs/s/repo/item/0001759 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...
    ... Natural Language Processing (NLP) is in great need of better lan- guage models and linguistic tools must come to 1 Corpus processing System Unitex: http://www-igm.univ- mlv.fr/~unitex/ Proceedings of the conference Terminology and Artificial Intelligence 2015 (Granada, Spain) 81 grip with problems ...

  • Analysis and visualization of geophysical well-logging data from closely spaced boreholes

    Branislav Sretković, Ivana Vasiljević, Dimitry Sidorov - Biryukov (2024)
    Geophysical logging measurements for determining the condition of the rock mass on the dam profile and locating the predisposed directions of water circulation and loss from the reservoir were conducted in four boreholes distributed at a close distance. The survey was carried out in a typical karst terrain, which is an additional challenge for defining the geological model, especially in terms of water retention. That kind of data set provides an excellent opportunity for a new approach to analysis ...
    well-logging in karst, water loss, data correlation, data fusion
    ... Biryukov | Vth Congress of the Geologists of the Republic of North Macedonia, Ohrid, Republic of North Macedonia, September 27-28, 2024 | 2024 | | http://dr.rgf.bg.ac.rs/s/repo/item/0009109 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...

  • Analysis of a simplified model for determining rock mass oscillation velocity at the Kovilovača open pit

    Suzana Lutovac, Miloš Gligorić, Jelena Majstorović, Luka Crnogorac (2023)
    ... Majstorović, Luka Crnogorac | 9th International Conference Mining and Environmental protection MEP, 24 – 27 May 2023, Sokobanja, Serbia | 2023 | | http://dr.rgf.bg.ac.rs/s/repo/item/0008205 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...

  • Split-Desktop software for the analysis of fragment size distribution of blasted rock mass

    Milanka Negovanović, Lazar Kričak, Stefan Milanović, Jovan Marković, Nikola Simić, Snežana Ignjatović (2023)
    Drobljenje stena je najvažniji pokazatelj u proceni efekata miniranja pri proizvodnom miniranju u površinskoj eksploataciji. Stepen drobljenja stena ima veliki uticaj na efikasnost daljih operacija utovara, transporta, drobljenja i mlevenja. Optimalno drobljenje stena pri proizvodnom miniranju utiče na smanjenje ukupnih troškova proizvodnje. Stoga je pouzdana procena veličine drobljenja odminirane stenske mase veoma važno pitanje, ne samo u operacijama miniranja, već i u rudarskoj proizvodnji. Za predviđanje distribucije veličine komada odminirane stenske mase postoje različiti empirijski modeli. KUZ-RAM model omogućava ...
    Split-Desktop softver, drobljenje stena, miniranje, analiza, digitalna obrada fotografija

  • Development of Open Educational Resources (OER) for Natural Language Processing

    Cvetana Krstev, Biljana Lazić, Ranka Stanković, Giovanni Schiuma, Miladin Kotorčević (2015)
    In this paper we present the development of an online course at the edX BAEKTEL platform named “Lexical Recognition in the Natural Language Processing (NLP)”. It is based on the course of the same name for PhD studies at the University of Belgrade, Faculty of Philology. There are not many courses in Computational Linguistics (CL) on OER platforms, and there is none in Serbian either for CL or NLP. We have developed this course in order to improve this ...
    E-Learning, Open Educational Resources, Computational Linguistics, Lexical Resources, edX
    ... http://jerteh.rs/index.php/osnivaci/?lang=en http://jerteh.rs/index.php/zbornici/?lang=en https://www.coursera.org/course/nlp https://www.coursera.org/course/nlpintro https://www.coursera.org/course/nlangp http://www.federica.unina.it/corsi/elaborazione-del-linguaggio-naturale http://www.federica ...
    ... http://baektel.eu/?menu=partners http://www-igm.univ-mlv.fr/%7Eunitex/ http://edx.baektel.eu/courses/UB_FIL/UB_FIL1/2015/about processing, formats used for input and output texts. ...
    ... federica.unina.it/corsi/elaborazione-del-linguaggio-naturale http://didawiki.di.unipi.it/doku.php/magistraleinformatica/eln/start%23corsi_affini http://didawiki.di.unipi.it/doku.php/magistraleinformatica/eln/start%23corsi_affini represents all forms of teaching and learning where ICT systems are ...

  • 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

  • Multi-word Expressions for Abusive Speech Detection in Serbian

    Ranka Stanković, Jelena Mitrović, Danka Jokić, Cvetana Krstev (2020)
    Ovaj rad predstavlja istraživanja na usavršavanju i unapređenju srpske verzije rečnika Hurtlex, višejezičnog leksikona uvredljivih reči. Posebnu pažnju posvećujemo dodavanju izraza sa više reči (polileksemskih jedinica) koji se mogu smatrati uvredljivim, jer su takvi leksički zapisi veoma važni za postizanje dobrih rezultata u mnoštvu zadataka otkrivanja uvredljivog jezika. Srpski morfološki rečnici se koriste kao osnova za čišćenje podataka i stvaranje rečnika. Istaknuta je veza sa drugim leksičkim i semantičkim resursima na srpskom jeziku i predviđena je izgradnja sistema za ...
    uvredljiv govor, govor mržnje, leksički izvori, višejezični leksikon, izrazi sa više reči
    ... Stanković, Jelena Mitrović, Danka Jokić, Cvetana Krstev | Proceedings of the Joint Workshop on Multiword Expressions and Electronic Lexicons | 2020 | | http://dr.rgf.bg.ac.rs/s/repo/item/0005015 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...
    ... resources in Subsection 2.1. One of the existing, This work is licensed under a Creative Commons Attribution 4.0 International Licence. Licence details: http:// creativecommons.org/licenses/by/4.0/. 75 publicly available resources, Hurtlex, that we base our work on, is introduced in Subsection 2.2. The ...
    ... in our model one expression groups variations. 3Leximirka is an online application based on lexicographic database, covering a wide range of users (http://leximirka.jerteh.rs//) (Lazić and Škorić, ). 82 Figure 1: MWE editor in web portal Leximirka – description of a noun MWE bruka i sramota ‘shame ...

  • Environmental Energy Security Indicators as Tools for Environmental Protection

    Aleksandar Madžarević, Dejan Ivezić, Marija Živković , Miloš Tansijević (2019)
    Еколошка прихватљивост је постала незаменљив синтезни показатељ сваке валидне енергетске анализе у последње две-три деценије. Енергетска безбедност је у директној хармонији с еколошком прихватљивошћу кроз многе прописане политичке циљеве, економске користи, правне тековине итд. Индикатори еколошке сигурности представљају један од основних елемената за одређивање енергетске безбедности и снажне алате за усмеравање енергетског сектора ка одрживом развоју. У овом раду, анализа је била концентрисана на показатеље енергетске безбедности у области животне средине који се односе на сектор природног гаса у ...
    енергетска безбедност, еколошки енергетски индикатори, заштита животне средине, еколошка прихватљивост
    ... to 2023, Proposal of Regulation, Serbia http://www.mre.gov.rs/dokumenta-efikasnost-izvori.php http://www.mre.gov.rs/dokumenta-efikasnost-izvori.php http://www.aers.rs/Files/EnergetskaZajednica/Eng/UGOVOR%20O%20OSNIVANJU%20ZAJEDNICE%20ZA%20ENERGETIKU.pdf http://www.aers.rs/Files/EnergetskaZajednica/ ...
    ... projections up to 2030, available online URL: http://www.mre.gov.rs/dokumenta-efikasnost- izvori.php (6.7.2016.) 6. Government of the Republic of Serbia, Ministry of Energy and Mining, AERS, (2005): The Treaty on energy community, available at URL: http://www.aers.rs/Files/EnergetskaZajednica/En ...
    ... tal Protection | Aleksandar Madžarević, Dejan Ivezić, Marija Živković , Miloš Tansijević | Mining and Environmental Protection-MEP 2019 | 2019 | | http://dr.rgf.bg.ac.rs/s/repo/item/0005019 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...

  • A Lexical Approach to Acronyms and their Definitions

    Cvetana Krstev, Duško Vitas, Ranka Stanković (2015)
    In this paper we present a comprehensive approach to acronyms for Natural-Language Processing (NLP) of Serbian texts. The proposed procedure includes extraction of acronyms and their definitions that are usual Multi-Word Units (MWUs), shallow parsing of MWUs that enables MWU lemmatization and production of entries in morphological electronic dictionaries, both for MWU and acronyms, that are provided with grammatical, syntactic, semantic and domain information. This approach enables representation that reflects complex relations between acronyms and their definitions.
    ... Cvetana Krstev, Duško Vitas, Ranka Stanković | Proceedings of the 7th Language & Technology Conference, November 27-29, 2015, Poznań, Poland | 2015 | | http://dr.rgf.bg.ac.rs/s/repo/item/0001760 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...
    ... mirovne,mirovan.A:aefs2g mirovne,mirovan.A:aefp1g 4In Unitex complex grammars can be modelled by using finite-state transducers and e-dictionaries (http://www-igm.univ- mlv.fr/ unitex/) Figure 2: Two paths from a graph that filters AANprepNp constructions and performs single word lemmatization. ...

  • A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice

    Nikola Lilić, Ivan Obradović, Ranka Stanković (2002)
    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 ...
    ... Yugoslav Mining Practice | Nikola Lilić, Ivan Obradović, Ranka Stanković | Mineral Resources Engineering | 2002 | 11 | 4 10.1142/S0950609802001014 http://dr.rgf.bg.ac.rs/s/repo/item/0002559 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...

  • Medical Domain Document Classification via Extraction of Taxonomy Concepts from MeSH Ontology

    Mihailo Škorić, Mauro Dragoni (2019)
    This paper is a result of a task that was presented to attendants of Keyword Search in Big Linked Data summer school, that was organized by Vienna University of Technology, under the Keystone COST action in the summer of 2017. It presents a specific approach to the classification via creation of minimal document surrogates based on the US National medical library’s MeSH ontology, which is derived from the Medical Subject Headings thesaurus. In a series of previously classified medically ...
    document classification, MeSH, ontology, information extraction
    ... which are the desired predicate and object PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX meshv: <http://id.nlm.nih.gov/mesh/vocab#> PREFIX mesh2016: <http://id.nlm.nih.gov/mesh/2016/> SELECT DISTINCT ?naziv ?treeNumber FROM <http://id.nlm.nih.gov/mesh/2016> WHERE ?koncept rdfs:label ?naziv ...
    ... concept is a part of (Figure 3). The query is illustrated on the concept mesh2016:D049916. PREFIX mesh2016: <http://id.nlm.nih.gov/mesh/2016/> SELECT DISTINCT ?predikat ?objekat FROM <http://id.nlm.nih.gov/mesh/2016> WHERE mesh2016:D049916 ?predikat ?objekat ORDER BY ?class Figure 3. SPARQL query used ...
    ... tion via Extraction of Taxonomy Concepts from MeSH Ontology | Mihailo Škorić, Mauro Dragoni | Infotheca | 2019 | | 10.18485/infotheca.2019.19.1.3 http://dr.rgf.bg.ac.rs/s/repo/item/0004946 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...

  • Developing Termbases for Expert Terminology under the TBX Standard

    http://drug.rgf.bg.ac.rs/s/repo/item-set/522 (2014)
    ... under the TBX Standard | Ranka Stanković, Ivan Obradović, Miloš Utvić | Natural Language Processing for Serbian - Resources and Applications | 2014 | | http://dr.rgf.bg.ac.rs/s/repo/item/0000835 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...
    ... fication and search within mining and geological software systems. 2.1 GeolISSTerm A publicly available bilingual terminological resource, GeolISSTerm (http:// geoliss.mprrpp.gov.rs/term/), was developed at FMG for the Ministry of the Environment, Mining and Spatial Planning of the Republic of Serbia, in ...
    ... +Prevod definicije - (INTRO) Zz buke, je praSine, geoloSkog modela lezista mineralne sirovine. {-} Dodati link ka odrednici u originalnom reéniku na vebu http://rudonto.rgf.bg.ac.rs/PretragaRecnika.aspx?T erm= Kljuéne regi (ALIASES) Parametri reénika {¥] Sinonimi u srpskom [| Flektivni oblici Format prikaza ...

  • Old or New, We Repair, Adjust and Alter (Texts)

    Cvetana Krstev, Ranka Stanković (2020)
    U ovom radu predstavljamo kako se e-rečnici i kaskade transduktora konačnih stanja implementirani u alatu Unitex mogu koristiti za rešavanje tri problema transformacije teksta: ispravljanje tekstova nakon OCR-a, vraćanje dijakritičkih znakova i prebacivanje između različitih jezičkih varijanti.
    ispravka teksta, OCR greške, restauracija dijakritika , jezičke varijante, elektronski rečnik, transduktori konačnih stanja
    ... [ДР РГФ] Old or New, We Repair, Adjust and Alter (Texts) | Cvetana Krstev, Ranka Stanković | Infotheca | 2020 | | 10.18485/infotheca.2019.19.2.3 http://dr.rgf.bg.ac.rs/s/repo/item/0005199 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета ...
    ... Presented at the December 1-3, 1959, Eastern Joint IRE-AIEE-ACM Computer Conference, IRE-AIEE-ACM ’59 (Eastern). New York, NY, USA: ACM, 1959, 225–232. http://doi.acm.org/10. 1145/1460299.1460326 Friburger, Nathalie and Denis Maurel. “Finite-state transducer cascades to extract named entities in texts” ...
    ... Marne-la-Vallée. (2016) Peterson, James L. “Computer Programs for Detecting and Correcting Spelling Errors”. Commun. ACM Vol. 23, no. 12 (1980): 676–687. http: //doi.acm.org/10.1145/359038.359041 Petković, Ljudmila. “Creation and Analysis of the Yugoslav Rock Song Lyrics Corpus from 1967 to 2003”. Infotheca ...

  • Application of the Fuzzy Model in the Evaluation and Selection of Hydraulic Excavators on Open-Pit Lignite Mine

    Stevan Đenadić, Miloš Tanasijević, Vladimir Milisavljević, Dragan Ignjatović, Predrag Jovančić (2021)
    The production of lignite in large open-pit mines is mainly performed with continuously operating equipment, where bucket-wheel excavators, bucket-chain excavators, belt conveyors, and spreaders are the basic machines. Smaller machines, usually of discontinuous operating nature, are commonly categorized as auxiliary machines. This paper presents the research related to the analysis of auxiliary machine parameters with the case study for a hydraulic excavator. The purpose of the analysis was to develop a model of rating quality of service of the ...
    Fuzzy theory, hydraulic excavator, selection, quality of service, asset management