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1997 items

  • 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
    ... which in Serbian is the natural order of an adjective and a noun in a MWU. However, this MWU, together with a few more allows a reverse order as well — zvezda petokraka. It is more often used in the singular, but it can be used in the plural as well. In Serbian, adjectives and nouns inflect in number ...
    ... analyzed in detail by Savary [5]. Productive classes of MWUs, like numerals and various named entities that rely on them (e.g. measurement phrases) can best be described by dictionaries in the form of finite-state transducers (FST), and a number of them were produced for Serbian as well [6]. Other ...
    ... unification variables in the same path means that their values have to agree. If a pattern <$1:Case=$c> appears in the same path as <$3:Case=$c> it means that when the genitive form of the first token is generated then the genitive form of the third token has to be generated as well, and that will also ...

  • Critical disorder and critical magnetic field of the nonequilibrium athermal random-field Ising model in thin systems

    Svetislav Mijatović, Dragutin Jovković, Sanja Janićević, Đorđe Spasojević (2019)
    Изингов модел, критично понашање, танки системи

  • Development of terminological resources for expert knowledge: a case study in mining

    Ljiljana Kolonja, Ranka Stanković, Ivan Obradović, Olivera Kitanović, Aleksandar Cvjetić (2015)

  • Building Terminological Resources in an e-Learning Environment

    Ranka Stanković, Ivan Obradović, Olivera Kitanović, Ljiljana Kolonja (2012)
    ... resources in what is known as “knowledge domain ontology” [2]. A well known implementation of Semantic Web in education was realized within the AquaRing project [1]. Namely, this project turned to ontologies in order to support annotation and retrieval of educational content, as well as enhanced ...
    ... resources as well. However, terminological resources also have a strong educational impact. It is of paramount importance that students involved in the study of a specific domain get acquainted with the proper terminology related to that domain both in their mother tongue, and in other languages ...
    ... resources management systems, as well as in a business intelligence module of the information system for defining OLAP cubes. Given the fact that RudOnto is targeted to become the reference resource for mining terminology in Serbian, it was only natural to introduce it in the teaching process at FMG ...

  • Overcoming the Low Oral Bioavailability of Deuterated Pyrazoloquinolinone Ligand DK-I-60-3 by Nanonization: A Knowledge-Based Approach

    Jelena R. Mitrović , Branka Divović-Matović, Daniel E. Knutson, Jelena B. Ðoković, Aleksandar Kremenović, Vladimir D. Dobričić, Danijela V. Randjelović, Ivana Pantelić, James M. Cook, Miroslav M. Savić, Snežana D. Savić (2021)
    Poor water solubility of new chemical entities is considered as one of the main obstacles in drug development, as it usually leads to low bioavailability after administration. To overcome these problems, the selection of the appropriate formulation technology needs to be based on the physicochemical properties of the drug and introduced in the early stages of drug research. One example of the new potential drug substance with poor solubility is DK-I-60-3, deuterated pyrazoloquinolinone, designed for the treatment of various neuropsychiatric ...
    pyrazoloquinolinones, nanocrystals, wet media milling, fasted/fed bioavailability
    ... ANOVA); (b) solubility of DK-I-60-3 in nanocrystal dispersions (F5, F6, and F8) and corresponding suspensions (S5, S6, and S8) in different media at 37 ◦C. Solubility of DK-I-60-3 in nanocrystal dispersions as well as in corresponding suspen- sions was determined in water, 0.1 M hydrochloride acid, and ...
    ... conditions. Furthermore, solubility in oils was low, excluding the lipid formulations to incorporate DK-I-60-3. Results revealed that the solubility in organic solvents was low as well, around 1 mg/mL, except in dimethyl sulfoxide. Moreover, it was slightly soluble in polyethylene glycol 400, which is ...
    ... were well dispersed and with dimensions of around 180 nm (width), 400 nm (length), and 40 nm (height). In sample F6 (Figure 3b), individual particles, as well as aggregates (probably formed during sample preparation), could be seen. Particles were around 130 nm in width. A similarity was noticed in F8 ...

  • Effects of Energy Production and Consumption on Air Pollution in Serbia

    Marija Živković (2019)
    Energy production and combustion, mostly from unregulated or inefficient fuel combustion, are the single most important anthropogenic sources of air pollutant emissions. Energy sector in Serbia is highly fossil fuel intensive: 87.88% of energy consumed in Serbia is related to fossil fuels, while almost 95% of energy sources are combusted. In 2017. energy related carbon dioxide emission in Serbia is was 47.95 million tones. The main source of carbon dioxide emission was coal, responsible for almost 70% of energy ...
    energy related emissions, Serbia
    ... energy consumption in 2017 Coal is mainly used for electricity generation i.e. 88% of total coal energy is utilized in thermal power plants or CHPs. Structure of electricity generation by source is presented in Figure 3. In average about ¾ of electricity in Serbia is generated in TPPs, with average ...
    ... sources of air pollutant emissions. Energy sector in Serbia is highly fossil fuel intensive: 87.88% of energy consumed in Serbia is related to fossil fuels, while almost 95% of energy sources are combusted. In 2017. energy related carbon dioxide emission in Serbia is was 47.95 million tones. The main source ...
    ... emissions in Serbia, with attention given to energy consumption in the buildings and the transport sectors, since they are seen as the main sources of air pollution in urban areas due to a great number of uncontrolled or poorly controlled combustion processes. 2.ENERGY CONSUMPTION AND PRODUCTION IN SERBIA ...

  • State and perspective of individual household heating in Serbia: A survey-based study

    Boban Pavlović, Dejan Ivezić, Marija Živković (2021)
    This paper presents the results of the household survey on individual household heating systems in Serbia. The survey was conducted in the period October to December 2020 with the participation of 1100 households with individual household heating systems. The information collected in the questionnaire can be separated into three main parts: basic household data, current heating system characteristics, and households’ perceptions and attitudes. The survey results provide unique and comprehensive information concerning individual household heating systems and the main ...
    Domaćinstva, Individualni sistemi grejanja, Korišćenje energije, Stavovi potrošača, Anketa, Srbija

  • A Multilingual Evaluation Dataset for Monolingual Word Sense Alignment

    Sina Ahmadi, John P McCrae, Sanni Nimb, Fahad Khan, Monica Monachini, Bolette S Pedersen, Thierry Declerck, Tanja Wissik, Andrea Bellandi, Irene Pisani, [...] Ranka Stanković and others (2020)
    Aligning senses across resources and languages is a challenging task with beneficial applications in the field of natural language processing and electronic lexicography. In this paper, we describe our efforts in manually aligning monolingual dictionaries. The alignment is carried out at sense-level for various resources in 15 languages. Moreover, senses are annotated with possible semantic relationships such as broadness, narrowness, relatedness, and equivalence. In comparison to previous datasets for this task, this dataset covers a wide range of languages ...
    lexical semantic resources, sense alignment, lexicography, language resource
    ... category was less clear than the others but the annotator made use of it in cases where two senses referred to different concepts which did not match but were semantically related, as well as in cases of metaphoric senses in which one sense refers to the concrete and the other to the metaphorical ...
    ... polysemy, i.e. both highly polysemous lemmas as well as monosemous ones should be included. • The lemmas in the two resources have the same part- of-speech tags. Spelling variations are normalized to a unique variation. 3.3. Dictionaries used in the creation of the dataset For alignment we used ...
    ... dr.rgf.bg.ac.rs The Digital repository of The University 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 Proceedings of the 12th Conference on Language Resources ...

  • A Tel Platform Blending Academic And Entrepreneurial Knowledge

    Ivan Obradović, Ranka Stanković, Jelena Prodanović, Olivera Kitanović (2013)
    ... function will be outlined in more detail in the following section. The learning content comprises of academic and entrepreneurial learning resources as well as reference resources, where the most important are language resources, which will also be described in more detail within the following ...
    ... flawlessly. In brief, a lot of work still needs to be done before BAEKTEL enters full exploitation to the benefit of future and current university students, as well as university graduates working in enterprises. LITERATURE [1] Longworth, N. (2013). Lifelong learning in action: Transforming ...
    ... formal learning description methods, as well as methods for describing cognitive student and teacher workload in TEL. Providing means for easy integration of learning content from different sources was also necessary. 4. THE LANGUAGE SUPPORT SYSTEM In BAEKTEL, special attention is given to its ...

  • 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
    ... dr.rgf.bg.ac.rs The Digital repository of The University 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 93 Archaeology and Science 10 (2014)Petković et al ...
    ... were performed in the same way as in the fi rst three methods of mea- suring when the orientation was in a north-south direction (Figure 2). Just as with the north-south orientation, each individual measurement was also saved in the same fi le with the included GPS. Figure 2 In the previously described ...
    ... fi lter, in two steps, in the direction of acquisition and in the direction perpendicular to the direction of acquisition. Also, the absence of linear anoma- lies is observed using the non-linear interpolation method. In this case, the local polynomial method proved to be the best. In order to avoid ...

  • Softverski alati za korišćenje resursa za srpski jezik

    Ivan Obradović, Ranka Stanković (2008)
    ... of its functions can already be used. The main menu of WS4QE is depicted in Figure 10. Due to the need to allow different modes of usage to different users, the creation of user accounts is envisaged, along with logging in prior to usage of this application. The largest set of envisaged user functions ...
    ... resources have been developed in the Aurora code, they need to be transformed in other coding schemes in order to be used in “real” texts. Thus a module was devel- oped within WS4LR enabling the user to perform conversion from one coding scheme to another, as well as from on format to another. The ...
    ... network of words in Serbian. With- in this group of resources, the multilingual onto- logical dictionary of proper names Prolex should also be mentioned. Besides different types of e-dictionaries, the Group is engaged in developing other resourc- es, such as the e-corpus of Serbian, as well as parallel ...

  • Projection of SO2 emissions in coal power plants in Serbia

    Aleksandar Madžarević, Predrag Jovančić, Stevan Đenadić, Filip Miletić, Miodrag Ristović, Miroslav Crnogorac (2023)
    The production of electricity in the countries of South-Eastern Europe (SEE) was mainly related to the use of coal, predominantly lignite. The total installed capacity of thermal power plants using coal in these seven countries is 17.813 MW, distributed in 31 thermoblocks. The mentioned plants are the dominant pollutant emitters in all observed countries. Data on the largest emitters in the countries of the European Union and a comparison with SEE countries were collected. The calculation of emissions of ...
    енергeтика, емисије, СО2, угаљ, електране
    ... PROJECTION OF SO; EMISSIONS By studying the data on the amount of sulfur in the coal seam, the expected exploitation of coal in the coming period, as well as the operation of the desulfurization system, a projection of SO» emissions in the period up to 2040 was created. TE Kostolac B is currently the only ...
    ... dr.rgf.bg.ac.rs The Digital repository of The University 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 O International Conference MINING AND ENVIRONMENTAL ...
    ... pollutants in Serbia. That is a consequence of the lack of desulphurization procedures in the recent past. This was partially changed in the last 2 years when the desulfurization system in TPP Kostolac worked for a certain number of hours. Currently, the only desulphurization plant in Serbia is the ...

  • Application of Expansive Mortars for the Formation of Artificial Screens During Blasting in Urban Areas

    Milanka Negovanović, Lazar Kričak, Stefan Milanović, Nikola Simić, Jelena Majstorović (2024)
    During construction of buildings in urban areas, sometimes there is a need to blast solid rock mass in the immediate vicinity of the surrounding buildings. In that case, the aim is not only to increase the efficiency of blasting, but also to reduce harmful effects of ground vibration induced by blasting. At the same time, it is very important to protect the buildings located in the safe zone from the blast site as well as remaining rock mass around ...
    expansive mortar, artificial screens, pressure, rock breaking, building foundation

  • Utilizing sewage wastewater heat in district heating systems in Serbia: effects on sustainability

    Marija Živković, Dejan Ivezić (2021)
    Transformation of the heating sector is recognized as being essential for ensuring reliable and afordable energy services provided with reduced consumption of energy sources and diminished impact on the environment and less import dependency. The possibility of utilizing energy sources that otherwise would be wasted needs to be considered and treated as a big advantage of district heating systems. Despite many advantages, sewage wastewater heat is still a mostly unused resource at the global level and a totally unused ...
    рекуперација топлоте из отпадних вода, систем даљинског грејања, топлотне пумпе, енергетске уштеде, емисија угљендиоксида, енергетска безбедност, Србија
    ... s available in open access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs Vol.:(0123456789)1 3 Clean Technologies and Environmental Policy https://doi.org/10.1007/s10098-021-02063-6 ORIGINAL PAPER Utilizing sewage wastewater heat in district heating ...
    ... calculated by: where pi [/] Fraction of input energy carrier/fuel i in the fuel mix ( ∑ pi = 1). Share of renewable energy sources (FRES) in the energy mix of district heating system reflects on its impact on the environment, as well as on the energy security of supply (import dependency and fuel ...
    ... plant (in the city of Šabac) was selected in this paper, for the evaluation of sewage Fig. 4 Structure of fuel consumption in district heating systems in Serbia in 2017 Table 1 Average values of the key performance indicators of the district heating systems in Serbia Indicator Value in 2017 ...

  • Resource-based WordNet Augmentation and Enrichment

    Ranka Stanković, Miljana Mladenović, Ivan Obradović, Marko Vitas, Cvetana Krstev (2018)
    In this paper we present an approach to support production of synsets for SerbianWordNet(SerWN)byadjustingPrincetonWordNet(PWN)synsetsusing several bilingual English-Serbian resources. PWN synset definitions were automatically translated and post-edited, if needed, while candidate literals for Serbian synsets were obtained automatically from a list of translational equivalents compiled form bilingual resources. Preliminary results obtained from a setof1248selectedPWNsynsetsshowthattheproducedSerbiansynsetscontain 4024 literals, out of which 2278 were offered by the system we present in this paper, whereas experts added the remaining 1746. Approximately one half of ...
    WordNet, bilingual resources, term alignment, parallel lists
    ... recommendations, as well as latest trends in thesaurus standards. For this research we used the bilingual en-sr version 4.7 in xls format, with 6,939 term entries, and 6,971 aligned pairs of terms. Microsoft language portal10 has published Microsoft Terminology Collection data in the form of a .tbx ...
    ... 99 Table 1: Overview of term-pairs in the final parallel list and their mapping with PWN literals Each term pair in the final parallel list is accompanied by information about POS (part of speech), number of occurrences (frequency) within all resources as well as information on the resources where ...
    ... dr.rgf.bg.ac.rs The Digital repository of The University 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 Resource based WordNet augmentation and enrichment ...

  • An oilfield in Libya: A new model to enhance waste water disposal

    Dušan Danilović, Vesna Karović Maričić, Nori Elhaddad, Branko Leković (2016)
    нафта, лежишне воде, припрема

  • 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
    ... query with links to full-text articles in a PDF format, as well as to a TMX aligned text in an HTML format. Figure 5 shows the result of the previous query for the selected language (English), but selection of language “sr” would retrieve a page with metadata in Serbian. Figure 5: Results of the ...
    ... features and purpose of the developed system, as well as further ideas about improvement. 2 Multilingualism in DL There are two aspects of a multilingual DL – it can be a library “with content in more than one language”, or a library that “provides multilingual query ...
    ... academic libraries, public services and digital libraries are in the limelight (Wen, 2005). Within academic libraries, public services are taking the lead in the research and implementation of Knowledge Management. It is a well known fact that knowledge is recognized as the ultimate resource ...

  • Adsorption and degradation of some psychiatric drugs by sol-gel synthesized titania-based photocatalysts: influence of tungsten and sodium content

    Nina L. Finčur, Maja J. Šćepanović, Mirjana Grujić-Brojčin, Biljana F. Abramović, Jugoslav B. Krstić, Aleksandar Kremenović, Tatjana Srećković, Aleksandar Golubović (2019)
    Mesoporous anatase nanopowders were doped with 0.05−0.5 mol% of W6, in order to obtain more efficient photocatalyst than TiO2 Degussa P25 in the degradation of amitriptyline (AMI) under simulated solar irradiation (SSI). Dominant XRPD peaks were ascribed to anatase phase, with additional peaks which could correspond to brookite, TiO2 bronze and sodium titanate, Na2Ti9O19. The Raman scattering measurements have confirmed anatase as dominant phase, with broad Raman feature at ~270 cm−1 possibly related to Ti–O–Na stretching vibration. All W-doped ...
    Sol-gel synthesis, Doped titania nanopowders, XRPD, Raman spectroscopy, Adsorption and photocatalytic degradation, Psychiatric drugs

  • A Tool for Enhanced Search of Multilingual Digital Libraries of E-journals

    Ranka Stanković, Cvetana Krstev, Ivan Obradović, Aleksandra Trtovac, Miloš Utvić (2012)
    This paper outlines the main features of Bibliša, a tool that offers various possibilities of enhancing queries submitted to large collections of TMX documents generated from aligned parallel articles residing in multilingual digital libraries of e-journals. The queries initiated by a simple or multiword keyword, in Serbian or English, can be expanded by Bibliša, both semantically and morphologically, using different supporting monolingual and multilingual resources, such as wordnets and electronic dictionaries. The tool operates within a complex system composed ...
    multilingual digital libraries, query expansion, TMX
    ... the article in .pdf format (residing on the official site of the INFOtheca journal) as well as the entire aligned parallel text of the article in .html format. More powerful is the full-text search (Figure 5). The user initiates this search by submitting a keyword in English or in Serbian and ...
    ... reveal that both English terms: online and on-line are used in Serbian texts as well. However, they will not be looked for and hence not recognized and highlighted in the results. To illustrate morphological expansion of a query in Bibliša we will use the keyword digitalna biblioteka (digital ...
    ... This opens the metadata window (Figure 7) showing the document metadata in both languages and offering further links to full texts of the document in both languages (pdf), as well as to the full parallel aligned text in TMX format (tmx). The user can choose between two options for retrieving ...

  • Using English Baits to Catch Serbian Multi-Word Terminology

    Cvetana Krstev, Branislava Šandrih, Ranka Stanković (2018)
    In this paper we present the first results in bilingual terminology extraction. The hypothesis of our approach is that if for a source language domain terminology exists as well as a domain aligned corpus for a source and a target language, then it is possible to extract the terminology for a target language. Our approach relies on several resources and tools: aligned domain texts, domain terminology for a source language, a terminology extractor for a target language, and a ...
    aligned texts, word alignment, terminology extraction, electronic dictionaries, morphological inflection
    ... ranka.stankovic@rgf.bg.ac.rs, ml.miljana@gmail.com Abstract In this paper we present the first results in bilingual terminology extraction. The hypothesis of our approach is that if for a source language domain terminology exists as well as a domain aligned corpus for a source and a target language ...
    ... of MWEs. This system was applied to the Serbian part of the aligned text (presented in 4.1.) and the results of its work are pre- sented in Table 1.7 For each class the syntactic structure it recognizes is output as well as the number of extracted forms and (word by word) lemmas.8 The total number of ...
    ... dr.rgf.bg.ac.rs The Digital repository of The University 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 Using English Baits to Catch Serbian Multi-Word T ...