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518 items

  • The Dictionary of the Serbian Academy: from the Text to the Lexical Database

    Ranka Stanković, Rada Stijović, Duško Vitas, Cvetana Krstev, Olga Sabo (2018)
    In this paper we discuss the project of digitization of the Dictionary of the Serbo-Croatian Standard and Vernacular Language. Scanning and character recognition were a particular challenge, since various non-standard character set encoding was used in the course of the almost 60-year long production of the dictionary. The first aim of the project was to formalize the micro-structure of the dictionary articles in order to parse the digitized text of and transform it into structured data stored in relational lexical database. This approach ...
    computer lexicography, lexical database, language resources, dictionary, Serbian language
    ... the printed version. The final correction of all 19 digitized volumes is nearly finished. In this paper we will present the work that has been done so far in transforming the digitized text of the Dictionary into various standard structured formats and into a lexical database with the first aim to ...
    ... article segmentation. The information that was registered in the dictionary explicitly, such as the domain, the stylistic use, the etymology, and so on, was mapped with the help of the data categories and their values; howev- er, some grammatical information was not explicitly encoded. For example ...
    ... in this paper are restricted to the processing of the 1st and 19th volumes, but the digitization of all previously published volumes is in progress. So far, the Dictionary was produced linearly. In the future, however, the linear processing of entries may be abandoned, as this could accelerate the ...

  • The Usage of Various Lexical Resources and Tools to Improve the Performance of Web Search Engines

    Krstev Cvetana, Stanković Ranka, Vitas Duško, Obradović Ivan (2008)
    In this paper we present how resources and tools developed within the Human Language Technology Group at the University of Belgrade can be used for tuning queries before submitting them to a web search engine. We argue that the selection of words chosen for a query, which are of paramount importance for the quality of results obtained by the query, can be substantially improved by using various lexical resources, such as morphological dictionaries and wordnets. These dictionaries enable semantic ...
    LR web services, MultiWord Expressions & Collocations, Information Extraction, Information Retrieval
    ... multi-word term are not taken into account, and this reduces recall. In this case the aforementioned irrelevant document would be omitted, but so would be many relevant results, for instance Gambori u maslacu sa belim lukom (Shrimps on butter with garlic (in the instrumental case)) 2. ...
    ... by adding new words to the set of words initially specified by the user. 1. Morphological dictionaries of simple words and compounds in the so called LADL format (Courtois et al., 1990) basically consist of lemmas accompanied with inflectional class codes which enables a precise production ...
    ... word, it was estimated that its introduction in the query would generate a great number of irrelevant documents in languages other than Serbian, so the options for removing some of the synonymous words was used and the word list was reduced to two Serbian words: beli luk and češnjak. In this ...

  • Advantages and Disadvantages of a Parallel and Zigzag Method of Acquisition in Walking Mode in Magnetometric Archeological Research

    Mirko Petković, Vesna Cvetkov, Branislav Sretenović (2014)
    магнетометријска испитивања, цик-цак и паралелна аквизиција у ходајућем моду, линеарне аномалије, археологија
    ... carried out using the principle of “one tra- verse-one fi le” so that it would be possible to pro- cess the data as separate profi les. Also, with this method of measurement, all the data fell within the margins of the test polygon, so the processing step where the data was spatially limited, was ...
    ... ltering. As in the case of orientating profi les in a north- south direction, with data sampled in the same direction, linear anomalies did not appear, so the data was suitable for further qualitative analysis, after having been clipped to the investigative area and the correct domain of gradient TMI ...

  • OntoLex Publication Made Easy: A Dataset of Verbal Aspectual Pairs for Bosnian, Croatian and Serbian

    Ranka Stanković, Maxim Ionov, Medina Bajtarević, Lorena Ninčević (2024)
    Ovaj rad predstavlja novi jezički resurs za pretraživanje i istraživanje verbalnih aspektnih parova u BCS (bosanskom, hrvatskom i srpskom), kreiran korišćenjem principa Lingvističkih Povezanih Otvorenih Podataka (LLOD). Pošto ne postoji resurs koji bi pomogao učenicima bosanskog, hrvatskog i srpskog kao stranih jezika da prepoznaju aspekt glagola ili njegove parove, kreirali smo novi resurs koji će korisnicima pružiti informacije o aspektu, kao i link ka aspektnim parovima glagola. Ovaj resurs takođe sadrži spoljne linkove ka monolingvalnim rečnicima, Wordnetu i BabelNetu. ...
    aspekt glagola, lingvistički otvoreni podaci, BCS

  • Influence of DEM resolution on numerical modelling of debris flows in RAMMS - Selanac case study

    Jelka Krušić, Biljana Abolmasov, Mileva Samardžić Petrović (2019)
    Debris flows induced by intensive rainfall represent very hazardous phenomena in many parts of the World. Methods for prediction of runout distance of flow like mass movements are different and depending on the input data, rheology, and available or appropriate numerical solution. However, sometimes it is not easy to obtain pre event and post event high-resolution data in the rural or mountainous area. Thus, the topology of terrain is the most important input parameter for the every real case ...
    tecišta, modeliranje, RAMMS, DEM
    ... days affected triggering of many new landslides across the Western Serbia. Most of new occurrences were defined as granular flows, which were not so typical landslide type for this area. The nearest meteorological station Loznica registered maximum of 230 mm of rain for 72 hours. Huge amount of ...
    ... domain. Including calculation of eroded material will change volumetric of deposited zone. Even if comparison of two epochs DEM gave as a result not so much difference in volume, estimated depth with ERT investigation is more (max 20m) and we can consider that transported material outflow of calculation ...

  • Анализа стања квалитета ваздуха у граду Суботици за период од 2020. до 2023. године

    Филип Величковић (2024)
    Овај завршни рад истражује концентрацију честица PM2.5 (честица са пречником мањим од 2,5 микрометра) и PM10 (честица са пречником мањимод 10 микрометара) у Суботици, и говори какав негативан утицај имају на здравље становништва.Пре тога је објашњена општа прича о аерозагађењу и саставу ваздуха, укључујући опис свих критеријумским загађивача, законској регулативи што се тиче квалитета ваздуха и дате су неке основне информације о агломерацији Суботица. Коришћени су подаци о концентрацији РМ2.5 и РМ10 честица прикупљени током истраживања ваздушног квалитета у ...
    ваздух, честице, PM2.5 , PM10, здравље
    ... yKyC. TOKCHUHOCT My CeČ mojauaBa y YyCJOBHMa HOBchaHe BJIDKHOCTH 3OOr CTBapaMba CyMIHIODHe KMHCCJIHHC. IIpogaBoju oKcHJanuje SO» y Ba3JlyXy Cy TOKCHuUHHJH OJI CaMOr SO» . OKo 1/3 yKyHHO INIPpHCyTHOTr CyMNHOPp-JMOKcHHMa y aTMOCQO)epH HacrTaje caropeBabeM (pocHiJIHHX TOpHBa, yrJba H Ha(pTe, KOJH ...
    ... r O3OHa RnonpuHocH moBehay cMora uHjH Je O3OH CaCTaBHH O, H ONIHITOJ 3aMyheHOCTH arMoc(epe. 15 2.3.1.4. CyMHop-JIHoOKcHJI Cyunop-ouokcuo (SO») je 0e30ojHu rac KapakTrepucTHuHor H OHITpor MHpHca, TeXXH OJI Ba3Jlyxa ( 2,5 myTa ) H no0po ce pacTBapa y Bojnu. IIpH KoHnerHrpanuju 800- 2600 ...
    ... areHnuje 3a 3XHBOTHy cpemuHy (EEA) nokayyJy na cHrTHe uecTrHne (PM2?,5) H najbe HaHoce HajBehu yrHIaj Ha 3J1ipaBJbe. 18 [naBo6ojba u aHKcMo3Hocr (SO;) < ~ NEAA FAA OVO MARIIKIFUI FORINKEI HeraTMBHo yrTMue Ha ueHTpa;iHM Mipvrauuja ouujy, Hoca M rpna HepBHu cvcTeM (PM) Tipo6nemw c nMcakbeM (Os, ...

  • New approach to correlation of hydrocarbon reservoirs in sandstone layers of the "Mokrin" field"

    Saša Ivanišević, Dejan Radivojević (2018)
    геофизички каротаж, депозиционе средине, лежишта угљоводоника, миоцен, пост‐ рифтнo, секвенциона стратиграфија
    ...  depositional environment, hydrocarbon  reservoirs, Miocene, post‐rift, sequ‐ ence stratigraphy.    INTRODUCTION    Based on  the correlation applied so  far, oil and gas  reservoirs of  the “Mokrin”  field  represent  individual sandstone  layers. The correlation  is based on similarity  in the sha ...
    ... ation of seismic data, the shelf‐edge trajectory was reconstructed,  on the basis of which no significant drop in the lake water level was detected, so that post‐rift sediments  are  deposited within  the  highstand  systems  tract  and  the  transgressive  systems  tract,  (Ivanišević   Radivojević ...

  • Failure Estimation of the Majdanpek Open Pit East Face Based on Inverse Velocity Model

    Miloš Marjanović, Stefan Milanović, Nikola Simić, Lazar Kričak (2024)
    The Majdanpek open pit mine south district is currently active mining prospect of copper ore exploitation in eastern Serbia. Its depth is approaching the termination depth and occurrences of large-scale instabilities and global instability of the final pit slope is possible. These can generate catastrophic mass movement inside an area that encloses a regional road route and the Pek River bed which is channelled along the outer contour of the pit. The displacements that were noted in early 2023, in the ...
    displacement, survey, inverse velocity, open pit

  • Interactions of Copper(II) Complexes of some Schiff base ligands with calf thymus DNA and bovine serum albumin

    Angelina Petrović, Aleksandar Mijatović, Rada Baošić, Jovana Bogojeski (2018)
    Joni prelaznih metala u kombinaciji sa različitim ligandima nude veliki broj mogućnosti za ispitivanje potencijalnih bioaktivnosti. Među jonima prelaznih metala, bakar je poznat kao endogeni metal za ljude, sa karakterističnim biološkim redoks aktivnostima i relativno jakim afinitetom za nukleobaze. Kompleksi bakra ispoljavaju svoju antitumornu aktivnost na nekoliko različitih načina, generišu veliku količinu ROS, što uzrokuje oksidativno oštećenje mitohondrija i biomakromolekula. Nađeno je da kompleksi bakra(II) imaju umeren do dobar afinitet vezivanja sa DNK, uglavnom putem interkalacije.

  • Prognozna ocena resursa kaolinitskih glina u sedimentnim basenima Srbije

    Vladimir M. Simić (2003)
    Kaolinitske gline predstavljaju jednu od privredno najznačajnijih nemetaličnih mineralnih sirovina u Srbiji. Ležišta tih glina odavno se istražuju i eksploatišu u Aranđelovačkom i Kolubarskom basenu i basenima vlašićkog antiklinorijuma. Osim toga, u većem ili manjem obimu istražene su mnoge lokalnosti, a na nekima od njih vršila se povremena eksploatacija. Dosadašnja istraživanja kaolinitskih glina imala su, međutim, prevashodno uzak istraživački cilj - utvrđivanje rezervi glina određenog ležišta, dok su istraživanja regionalnog karaktera bila malog obima i vezana za delove pojedinih ...
    prognozna ocena, resursi kaolinitskih glina, sedimentni baseni, Srbija, geologija, mineralogija, kvalitet, potencijalnost

  • Mikroplastika u peloidima iz Srbije i Slovenije

    A. Šajnović, G. Gajica, F. Prosenc, S. Stojadinović, G. Veselinović, P. Trebše, P. Dabić, B. Jovančićević (2023)
    ... jedno od najatraktivnijih prirodnih i kulturnih znamenitosti Slovenije, Park prirode Sečovlje (Seč). Ovaj lokalitet je poznat i po solani iz koje se so proizvodi na isti tradicionalan način, već vekovima unazad. Prvi korak u analizi mikroplastike podrazumevao je određivanje sadržaja vlage u uzorcima ...

  • Comparative analysis of correlation coefficients in mineralogical and geophysical data from the mine tailing site “Rudnik” (Serbia)

    Vesna Cvetkov, Filip Arnaut, Dragana Životić (2024)

  • 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 ...
    ... factors and the number of occurrences of the corresponding keywords. A specific feature of Serbian is the common use of two alphabets: Cyrillic and Latin, so a user can initiate her/his search using any of the two, and the method on the server automatically expands the search query with the other, while the ...
    ... last one since its code is given in the paper. However, although the author claims accuracy of 92% it was evaluated on a very small text (522 words) so its reliability is not confirmed. Also, as Hiemstra states [3] “Stemming tends to help as many queries as it hurts.” The other possibility is statistical ...
    ... organization 2,882 0.59 0.32 total 64,287 13.11 7.14 4.2 The Architecture of the New System Indexing of metadata database on the projects is done so that for each document a text is generated of all the fields and records in the database, where the title, discipline and cartographic sheet are given ...

  • Using technology for knowledge transfer between academia and enterprises

    Ivan Obradović, Ranka Stanković (2014)
    ... within the TEL platform can be in various languages, thus providing an efficient answer to one of the major criticisms of OER being biased towards the so called "big" languages. In order to resolve successfully the issues related to multilinguality, especially terminological issues, but also in order ...
    ... such as Serbian, they need to be coupled with morphological dictionaries. Morphological dictionaries of Serbian simple words and compounds in the so-called LADL format (Krstev et al., 2010) are thus also part of the lexical resources used by LSS. Besides Serbian, such resources exist for many ...
    ... of. Specific features of Serbian grammar need corresponding language resources in the form of grammars. Grammars within LSS are implemented by the so called finite state automata, finite state transducers and compound inflection rules (Krstev, 2008). The language support system handles various ...

  • Mineral and Thermal Waters of Serbia: Multivariate Statistical Approach to Hydrochemical Characterization

    Maja Todorović, Jana Štrbački, Marina Ćuk, Jakov Andrijašević, Jovana Šišović, Petar Papić (2016)

  • Some examples of interactions between certain rare earth elements and soil

    Zlatko Nikolovski, Jelena Isailović, Dejan Jeremić, Sabina Kovač, Ilija Brčeski (2021)
    Freundlich adsorption isotherm, sequential extraction, metallic ions, ICP-OES
    ... saturated separately with 100 ml of lanthanum (III)- ion solution concentration of 50 mg L-1 and neodymium (III)- ion solution concentration of 50 mg L-1 so that their concentration would amount to 500 μg of element per gram of soil. The soil samples and solutions for the saturation were placed in glass ...
    ... and at the soil surface is more rapidly established. It can be concluded that soil possesses a certain capacity for binding the rare earth elements, so that physically unprotected soil does not present a suitable surface for disposal of electronic waste. Should such waste be disposed on such soil types ...
    ... Humus soil has demonstrated more intensive sorption properties, therefore these types of extractions are limited on it, namely this method is not so undemanding. The characteristics (composition) of soil, pH value and extraction solution composition Acce pted M anuscr ipt 10 NIKOLOVSKI et al ...

  • 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)
    γ-spectrometry, brushite, chukhrovite, phosphogypsum, radionuclides, recrystallization
    ... m. XRD analysis The XRD analysis showed that the most abundant phases in the PGI and PG2 samples are gypsum (CaSOu:2H5O), brushite (CaHPOu:2H>SO) and quartz (Fig. 3). These phases have also been identified in various phosphogypsum samples by various researchers (Roode & Strydom, 1999; Jalali ...
    ... H,O > H,POx+OH- equilibrium in the neutral water solution to the left compared to the highly acidic conditions of phosphate rock digestion with H,SO,. (Ca(H.)POu), has 100 times greater solubility than the less acidic CaHPOu·2H»O form.) SEM analysis The SEM analysis revealed a significant increase ...
    ... of recrystallized phosphogypsum in various industries. For example, in the Serbian cement indus- try, A-grade cements should have WI values >80%, so for gypsum to be used as one of the components of A-grade cements, it must comply with this standard (RS Official Gazette, 2014). Furthermore, chiefly ...

  • Strukture kristala - odabrana poglavlja iz kristalografije i njena multidisciplinarnost

    Ljiljana Karanović (2024)
    Kristalografija

  • Multiword Expressions between the Corpus and the Lexicon: Universality, Idiosyncrasy and the Lexicon-Corpus Interface

    Verginica Barbu Mititelu, Voula Giouli, Kilian Evang, Daniel Zeman, Petya Osenova, Carole Tiberius, Simon Krek, Stella Markantonatou, Ivelina Stoyanova, Ranka Stankovic, Christian Chiarcos (2024)
    Predstavljamo trenutne aktivnosti na definisanju interfejsa leksikona i korpusa koji će služiti kao referenca u prikazu polileksemskih jedinica - višečlanih izraza - (različitih tipova - imenskih, glagolskih, itd.) u specijalizovanim leksikonima i povezivanju ovih unosa sa njihovim pojavljivanjima u korpusima. Konačni cilj je korišćenje ovakvih resursa za automatsko identifikovanje višečlanih izraza u tekstu. Uključivanje nekoliko prirodnih jezika ima za cilj univerzalnost rešenja koje nije usredsređeno na određeni jezik, kao i prilagođavanje idiosinkrazijama. Raspravljaju se izazovi u leksikografskom opisu višerečnih ...
    multiword expression lexicon, corpus, proof-of-concept lexicon encoding

  • Production of morphological dictionaries of multi-word units using a multipurpose tool

    Ranka Stanković, Ivan Obradović, Cvetana Krstev, Duško Vitas (2011)
    The development of a comprehensive morphological dictionary of multi-word units for Serbian is a very demanding task, due to the complexity of Serbian morphology. Manual production of such a dictionary proved to be extremely time-consuming. In this paper we present a procedure that automatically produces dictionary lemmas for a given list of multi-word units. To accomplish this task the procedure relies on data in e-dictionaries of Serbian simple words, which are already well developed. We also offer an evaluation ...
    electronic dictionary, Serbian, morphology, inflection, multi-word units, noun phrases, query expansion
    ... other languages. This format can be briefly described in the following way: in a dictionary of lemmas (DELAS) every lemma is described in full detail so that a dictionary of forms containing all necessary grammatical information (DELAF) can be generated from it. The dictionary of forms is used in NLP ...
    ... masculine gender, singular and accusative form of the third token — the noun zvezda — is needed. However, the gender of the noun zvezda is feminine, so this form cannot be produced and the lower paths in the graph will be ignored. They will not be ignored for some other MWUs, like kvadratni metar ...
    ... gender, nominative case form. Consequently, it can be deduced that only the basic structure adjective/noun applies here. Of course, not all MWUs are so easy to process. For in- stance, for the MWU vojna tajna ‘military secret’ a dictionary look-up offers the following possibilities: vojna vojni ‘military’ ...