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518 items

  • Unraveling Innerworkings of Magmatic System Beneath the East Pacific Rise 9º50’N

    Milena Marjanović, Suzanne M. Carbotte, Alexandre Stopin, Felix Waldhauser, Satish C. Singh, René-Édouard Plessix, Miloš Marjanović, Malden R. Nedimović, Juan Pablo Canales, Hélène D. Carton, Javier Escartin, John C. Mutter (2021)
    ... geochemical signal. Collectively, the novel observations suggest that magmatic systems operating beneath the EPR and subaerial volcanoes may not be quite so different. ...

  • Geotehnički efekti razaranja komunalnog otpada različitim postupcima zbijanja

    Jovana M. Janković Pantić (2022)
    Odlaganje otpada na komunalne deponije predstavlja osnovni način zbrinjavanja otpada u Srbiji. Kako bi se prostor za deponovanje materijala racionalno koristio potrebno ga je svakodnevno zbijati sa unapred definisanom količinom vode koja se dodaje. Dobro zbijeni komunalni otpad zauzima manju zapreminu i omogućuje sigurnije skladištenje, pa je korisno prethodno laboratorijski odrediti parametre zbijanja: maksimalnu suvu zapreminsku težinu (dmax) i optimalnu vlažnost (wopt). U Srbiji do sada nisu određivani parametri zbijanja, dok je u svetu primenjivana standardna metoda (Proktorov opit) ...
    komunalna deponija, zbijanje, Proktorov opit, malj sa šiljcima, koeficijent razaranja

  • A WordNet Ontology in Improving Searches of Digital Dialect Dictionary

    Miljana Mladenović, Ranka Stanković, Cvetana Krstev (2017)
    In this paper, we present a method for automatic generation of a digital resource, which connects all indirect synonyms of a dialect term to all indirect synonyms of a corresponding term in the standard language, aiming to improve the search of a digital dialect dictionary. The method uses SWRL rules defined in the Serbian WordNet ontology to identify sets of synonymous words. It also uses e-dictionaries to produce correct lemmas in standard language that users usually employ in searches. ...
    ... dictionaries of Serbian for NLP are being developed for many years now. In the dictionary of lemmas (DELAS) each lemma is de- scribed in full detail so that the dictionary of forms containing all necessary grammatical information (DELAF) can be generated from it, and subsequently used in various NLP ...
    ... dialect lemmas. An e-dictionary of forms consists of a list of entries supplied with their lem- mas, morphosyntactic, semantic and other information, so it is possible to attach lemma for all inflected forms in the dialect dictionary that match a form in mor- phological e-dictionary. After separation ...
    ... equivalent synonymous words in the dialect. 5 Evaluation The evaluation of the proposed method can be observed as the evaluation of a classification task, so we have performed an estimation of the accuracy of pair- ing the digital dictionary entries with the standard language entries comparing results obtained ...

  • Pre-failure deformation monitoring as rockfall prediction tool

    Miloš Marjanović, Biljana Abolmasov, Zoran Berisavljević, Marko Pejić, Petko Vranić (2021)
    General Engineering
    ... iteratively per each scanning/imaging sequence. Conveniently their strata resemble the flysch sequence we have been dealing with in our case study, so their experience was inspiring. They conclude that smaller events, do not leave clear footprints (scars, faces) as large events at specified scale ...
    ... at the site or in its vicinity, the formation has moderately gentle bedding (40-45°) that is dipping towards NNE. Jointing is relatively regular, so the entire rock is split into prismatic to tabular blocks. The subject road cut has been elaborated in various aspects throughout the years as its ...
    ... addition to X,Y,Z and reflection intensity (I) information, it is possible to extract color information of each point. This scanner has such features, so each point in the cloud is provided with X,Y,Z,I,R,G,B information, but R,G,B values can be also collected by using external, High-Definition cameras ...

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

    Miloš Gligorić, Jelena Majstorović, Suzana Lutovac (2018)
    ... Gligorić M., Majstorović J., Lutovac S. several times per second because of its shortness, so this method is called impulse method. Elastic waves in rock or sample are representing deformation propagation, so depending of type of deformations, waves of different types can be caused: a) longitudinal ...
    ... as adverse weather conditions, inaccessible field and inexperience of workers. Due to these problems, sometimes the results of measurements are not so accurate and precise. Presence of vague and imprecise data is the basic indicator of uncertainty. In order to overcome these problems it is necessary ...

  • Konceptualni model hidrogeotermalnog sistema šire okoline Brusa - geološki, geofizički i hidrogeološki uslovi / Conceptual model of hydrothermal system of Brus area - geological, geophysical and hydrogeological condition

    Dejan Milenić, Ana Vranješ, Marinko Toljić, Ivana Vasiljević, Natalija Radosavljević, Matija Ognjanović (2024)
    Na širem području Brusa izvedena su naučna multidisciplinarna istraživanja za potrebe ocene geotermalnog potencijala sa zadatkom de9inisanja uslova formiranja geotermalnih i termomineralnih resursa. Interpretacijom podataka zaključeno je da je na predmetnom terenu formiran "hibridni" hidrogeotermalni sistem, koji sadrži elemente sistema u rov-strukturi i elemente konvektivnog hidrogeotermalnog sistema sa rezervoarom u pokrivaču granitoidne intruzije. Sistem čine dva nezavisna hidrogeotermalna rezervoara. Prvi rezervoar formiran je u gornjokrednim krečnjacima na dubini od oko 1550 m. Maksimalne prognozne temperature hidrogeotermalnih resursa u krečnjačkom ...
    hidrogeotermalni sistem, gornjokredni krečnjaci, trijaski mermeri, Brus

  • Concepts for Improving Machine Learning Based Landslide Assessment

    Miloš Marjanović, Mileva Samardžić Petrović, Biljana Abolmasov, Uroš Đurić (2019)
    Katastar klizišta, Podložnost, Hazard, Mašinsko učenje, Uzorkovanje, Validacija

  • 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
    ... could help in making the Internet and social media a better and more respectful virtual space. Research and commercial application in this area were so far focused mainly on the English language. This paper presents the work on building AbCoSER, the first corpus of abusive speech in Serbian. The corpus ...
    ... Twitter social network. Tweets from user timelines of 111 Twitter accounts were gathered and annotated by ten independent annotators working in pairs so that each tweet was annotated by two independent annotators while one supervising annotator resolved inconsistent annotations. Related work is given ...
    ... explicit expressions of abuse words used in the search [5], with the user timeline collection approach one must be careful when training the classifier so that it does not learn the writing style of a user instead of learning to detect the abusive messages [47]. In this work, the combined methodology is ...

  • Geotehnički uslovi izgradnje tunela „Debelo brdo“ na autoputu E-80 Niš - Pločnik

    Dragoslav Rakić, Radojica Lapčević, Irena Basarić Ikodinović, Dragan Lukić (2022)
    Tunel „Debelo brdo“ nazvan je po najizraženijem relјefnom obliku na ovoj drugoj deonici autoputa E-80 Niš – Pločnik. Osnovnu geološku građu na lokaciji tunela čini Mio-Plioceni kompleks heterogenog litološkog sastava. Izgradnja tunela je predviđena delom u otvorenom iskopu dužine 240 m, a delom sa podzemnim iskopom dužine 190 m. U zoni tunela, padina je okarakterisana kao uslovno stabilna, pa bi neadekvatna zasecanja mogla da izazovu klizanja terena. Iz tih razloga, u okviru rada posebno su prikazani geotehnički uslovi izgradnje ...
    Tunel „Debelo brdo“, Geotehnički parametri, Privremene kosine, Šipovi, Podgrada.
    ... excavation 240 m long, and partly with an underground excavation 190 m long. In the tunnel zone, the slope is characterized as conditionally stable, so inadequate cuts could cause sliding of the terrain. For these reasons, the paper presents separately the geotechnical conditions for the construction ...

  • Depth estimation of archeological objects using Euler 3D deconvolution of magnetic data

    Vesna Cvetkov, Ilija Vasiljević, Mirko Petković (2015)

  • Korelacija magnetnog susceptibiliteta i sadržaja metala u flotacijskom jalovištu

    Filip Abramović, Vesna Cvetkov, Aco Ilić, Dragana Životić (2022)
    Procena metala u rudama, jalovištu i zemljištu se tradicionalno određuje hemijskim metodama kao što su Rengen fluorescentna analiza (XRF), Instrumentalna neutronska aktivaciona analiza (INAA) i Masena spektrometrija induktivno spregnute plazme (ICP-MS). Neke od pomenutih metoda su veoma zahtevne i skupe, te se nametnula potreba ka traženju jeftinijeg alata za brzu procenu prisustva pojedinih metala. Tokom poslednjih nekoliko decenija, mnoge studije su pokazale da su magnetna merenja dovoljno osetljiva da detektuju magnetni signal feromagnetnih materijala, a samim tim i metala ...
    flotacijsko jalovište, makroelementi, magnetna merenja

  • Softverski alati za korišćenje resursa za srpski jezik

    Ivan Obradović, Ranka Stanković (2008)
    ... the moment more modest, which focused further dictionary development on this dictionary. The chosen format for morphological dictionaries is the so-called LADL format developed within the Laboratoire d’Automatique Documentaire et Linguistique under the guidance of Maurice Gross (Courtois and ...
    ... following form: lema.Knnn [+SinSem]* where lema in general stands for the word form of a simple word used in traditional dictionar- ies. Knnn is the so-called inflectional code which determines the inflectional class of the lemma, namely the class this lemma shares with other lemmas having the same ...
    ... play” as seen in the WS4LR tool. Without going into details, we shall only mention that in the devel- opment of SWN, for reasons of flexibility, the so called Aurora code has been used, where letters specific for the Serbian language are coded by two letters of the English alphabet (ć, č, š ,ž ,đ ...

  • Freeze-dried nanocrystal dispersion of novel deuterated pyrazoloquinolinone ligand (DK-I-56-1): Process parameters and lyoprotectant selection through the stability study

    Jelena R. Mitrović, Maja Bjelošević Žiberna, Aleksandar Vukadinović, Daniel E. Knutson, Dishary Sharmin, Aleksandar Kremenović, Pegi Ahlin Grabnar, Odon Planinšek, Dominique Lunter, James M. Cook, Miroslav M. Savić, Snežana D. Savić (2023)
    Recently, nanocrystal dispersions have been considered as a promising formulation strategy to improve the bioavailability of the deuterated pyrazoloquinolinone ligand DK-I-56-1 (7‑methoxy-2-(4‑methoxy-d3-phenyl)-2,5-dihydro-3H-pyrazolo[4,3-c]quinolin-3-one). In the current study, the freeze-drying process (formulation and process parameters) was investigated to improve the storage stability of the previously developed formulation. Different combinations of lyoprotectant (sucrose or trehalose) and bulking agent (mannitol) were varied while formulations were freeze-dried under two conditions (primary drying at -10 or -45 °C). The obtained lyophilizates were characterized in terms ...
    Pharmaceutical Science
    ... strong influence on redispersibility (Jakubowska et al., 2022), so screening of lyoprotectants was the first step of the preliminary study. The formu- lation of interest in this research is intended for parenteral administra- tion, so these additives can be used simultaneously as tonicity agents ...
    ... which was expected despite its frequent use in nanocrystal lyophilization. Mannitol could be considered a bulking agent rather than a cryoprotectant, so its stabiliz- ing effect was not pronounced (Trenkenschuh and Friess, 2021). In contrast, when sucrose alone was used (S 10%), aggregation did ...
    ... bulking agent allows primary drying above Tg' or CFT. Above this temperature, the amorphous material is not rigid enough to support its own weight, so mechanical support from the crystalline component prevents macroscopic collapse (I. Remmele et al., 2012). In our study, despite the high temperature ...

  • Preparation of Multimedia Document “YU Rock Scene”

    Milena Obradović, Aleksandra Arsenijević, Mihailo Škorić (2017)
    SUMMARY: This study will present the preparation process of a multimedia document entitled YU ROCK SCENE in which participants were senior students of undergraduate studies of the Department of Library and Information Science at the University of Belgrade Faculty of Philology during the academic year 2014/2015, as a part of the subject Multimedia Documents. This study gives an overview of the historical development of rock and roll in the territory of the former Yugoslavia, rock scene in Yugoslav republics, ...
    multimedia document, library science, information science, rock and roll, music, Yugoslavia
    ... also a result of regular listening to (jazz) music, including the world hits of the time, broadcasted by Radio Luxembourg. Still, during the 1950s, the so-called popular music had much greater presence. Due to the conflict with the Soviet Union during the Cold War, Yugoslavia, one of the founding countries ...
    ... territorial division got on the table first. Mem- bers of the student groups who researched it got an assignment to arrange the data in the given way, so that all material can be processed together and in the same way. Decimal classification was used – every piece of data was given an identifica- tion ...
    ... music group (first digit – 1 – indicates that group is from Serbia, second digit – 1 – indicates it is from Belgrade and last two are unique identifiers so – 01 – first group from Belgrade, Disciplina kičme). Other columns are MID (city identifier – 11 – Belgrade, Serbia), and columns with names of the ...

  • Vebran Web Services for Corpus Query Expansion

    Ranka Stanković, Miloš Utvić (2020)
    U ovom radu se govori o razvoju veb usluga Vebran i njihovoj primeni u poboljšanju pretraživanja korpusa. Veb-servisi Vebran koriste se za konsultovanje spoljnih leksičkih izvora za srpski jezik (uglavnom elektronski morfološki rečnici i srpski Vordnet) i proširivanje korisničkih upita radi dobijanja relevantnijih rezultata iz srpskih korpusa.
    corpus search, web service, Serbian lexical resources, query expansion
    ... includes literary texts of Serbian writers in the XX and XXI centuries, as well as scientific and popular science texts from different domains (natural and so- cial sciences), administrative and general texts. The general texts represent articles from the daily newspapers “Politika”,“Večernje Novosti”, “Danas” ...
    ... homographs. The problems with query expansion in case of multi-word units (MWUs) described in (Утвић et al., 2019) have recently been resolved. Different so- lutions need to be applied for a case where all components of an MWU are the same as their lemmas, e.g. leksički resurs (“lexical resource”) and for ...
    ... part of MWU and some that do not, e.g. jato ptica (“flock of birds”), where the first component inflects and the second does not (as a part of MWU), so generated query should be ([lemma="jato"][word="ptica"]). The solution for both problems includes web service function MWUzaCQP14 which uses SMD to ...

  • Building learning capacity by blending different sources of knowledge

    Ivan Obradović, Ranka Stanković, Olivera Kitanović, Dalibor Vorkapić (2016)
    ... learning materials more efficiently, and select the ones that best suit their current needs. As a rule, OER with related metadata are stored in the so called Learning Object Repositories (LOR). Metadata schemas describing the OER differ depending on the needs addressed by the LOR. Given this variety ...
    ... ly, providing language resources in WB languages efficiently answers one of the major criticisms of OER, namely that they are biased towards the so called "big" languages. In order to cope successfully with multilinguality within the network, especially when terminology is concerned, a language ...
    ... they need to be coupled with language specific morphological dictionaries. Morphological dictionaries of Serbian simple words and compounds in the so-called LADL format (Krstev et al., 2010) are thus a necessary part of the lexical resources used by the BMP language support system. Besides Serbian ...

  • Replica of the “Great Triangle Gold Nugget” Belonging to Belgrade University Collection, Gilded or Not?

    Alena Zdravković, Maja Milošević, Ivana Jelić (2021)
    ... exceptional value, which obliges us to treat it with great care. In this regard, it is planned that its restoration with gold leaves will be done soon so that it can be preserved for generations to come. References JONES, T. P. (1844): Journal of the Franklin Institute of the State of Pennsylvania ...

  • Pokazatelji recentne tektonske aktivnosti u speleološkim objektima Dževrinske grede (istočna Srbija)

    Ana Mladenović, Jelena Ćalić (2022)
    Sistem Timočkog raseda predstavljen je sistemom desnih transkurentnih raseda generalnog pružanja sever – jug, koji su bili aktivni u periodu oligocena i miocena u okviru Karpato-balkanskog orogena. Početak njihove aktivnosti vezuje se za rotaciju tektonskih jedinica Karpato-balkanida (Dacia Mega Unit) oko rigidne Mezijske jedinice. Aktivnost ovih transkurentnih raseda je akomodirala ovu rotaciju, pa se smatra da je kumulativno kretanje duž Timočkog raseda tokom perioda njegove aktivnosti bilo do 100 km. Usled kompleksnih tektonskih rotacija, rasedi ovog sistema doveli su ...
    Тимочки расед, Џеврински расед, Балта расед, спелеолошки објекат

  • Development of an integrated model for open-pit-mine discontinuous haulage system optimization

    Miodrag Čelebić, Dragoljub Bajić, Sanja Bajić, Mirjana Banković, Duško Torbica, Aleksej Milošević , Dejan Stevanović (2024)
    equipment selection, mine mechanization, expert judgment, linguistic variables, MCDM, FAHP

  • 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