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Упит dcterms_subject_txt:Library and Information Sciences,Computer Science Applications

2443 items

  • Application of VIКOR method in the selection of an optimal splution of excavation “Borska Reka” ore deposit

    Sanja Bajić, Dragoljub Bajić, Branko Glušćević, Radmila Gaćina (2023)

  • Pre-failure deformation monitoring as rockfall prediction tool

    Miloš Marjanović, Biljana Abolmasov, Zoran Berisavljević, Marko Pejić, Petko Vranić (2021)
    General Engineering
    ... Supported by the Ministry of education, science and technological development of Serbia, TR36009. References [1] Erismann T and Abele G 2001 Dynamics of Rockslides and Rockfalls (Springer: Berlin) p 316 [2] Rosser N, Lim M, Petley D, Dunning S and Allison R 2007 Patterns of precursory rockfall ...
    ... center of the instrument. In 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 ...
    ... title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd Mechanics and Rock Engineering, from Theory to Practice IOP Conf. Series: Earth and Environmental Science 833 (2021) 012197 IOP Publishing doi:10.1088/1755-1315/833/1/012197 1 Pre-failure ...

  • Keyword-Based Search on Bilingual Digital Libraries

    Ranka Stanković, Cvetana Krstev, Duško Vitas, Nikola Vulović, Olivera Kitanović (2017)
    This paper outlines the main features of Biblisha, a tool that offers various possibilities of enhancing queries submitted to large collections of aligned parallel text residing in bilingual digital library. Biblishsa supports keyword queries as an intuitive way of specifying information needs. The keyword queries initiated, in Serbian or English, can be expanded, both semantically, morphologically and in other language, using different supporting monolingual and bilingual resources. Terminological and lexical resources are of various types, such as wordnets, electronic ...

  • Hydrochemical features and their controlling factors in the Kucaj-Beljanica Massif, Serbia

    Fen Huang, Ljiljana Vasic, Xia Wu, Jianhua Cao, Saša Milanovic (2019)
    Earth-Surface Processes, Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary Change

  • Electronic Dictionaries - from File System to lemon Based Lexical Database

    Ranka Stanković, Cvetana Krstev, Biljana Lazić, Mihailo Škorić (2018)
    In this paper we discuss some well-known morphological descriptions used in various projects and applications (most notably MULTEXT-East and Unitex) and illustrate the encountered problems on Serbian. We have spotted four groups of problems: the lack of a value for an existing category, the lack of a category, the interdependence of values and categories lacking some description, and the lack of a support for some types of categories. At the same time, various descriptions often describe exactly the same ...
    ... enriching ontologies with lexical information. These developments motivated the NLP community to join efforts in standard- ization. The resulted are widely-used guidelines and stan- dards for dictionary description and lexical databases such as TEI (Tutin and Véronis, 1998), LexInfo (Cimiano et ...
    ... Stanojčić and Popović, 2008). For instance, afirmisati and afirmirati ‘to establish’ are two such variants, to which markers +VAR=SatiRati and +VAR=RatiSati are assigned, respectively; • domain – these markers indicate the domain of use of lemmas to which they are assigned; • information – these ...
    ... DELA format and that the presented migration ap- proach is language independent, it is safe to say that it will prove useful for other languages as well. 8. Acknowledgements This research was partially supported by Serbian Ministry of Education and Science under the grants #III 47003 and 178003. ...

  • The subthermal potential of karstic groundwater of Kučaj–Beljanica region in Serbia estimated by the multivariate analysis

    Ljiljana Vasić, Dragana Ž. Živojinovic, Vladana Rajaković-Ognjanović, Huang Fen, Cao Jianhua (2021)
    Earth-Surface Processes, Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary Change

  • Mitigating hydrate formation in onshore gas wells: A case study on optimization techniques and prevention

    Milica Ješić, Bojan Martinović, Stefan Stančić, Miroslav Crnogorac, Dušan Danilović (2023)
    Gas wells, particularly those situated onshore, play a vital role in the global energy sector by supplying a significant portion of natural gas. However, operational challenges, notably gas hydrate formation, pose substantial issues, leading to complications such as flowline blockages and unexpected well shutdowns. Gas hydrates, crystalline structures resembling ice, ...
    Gas Well, Gas Hydrate Formation, Well Modeling, Well Performance Optimization, Choke Position Adjustments, Methanol Injection

  • Infotheca (Q25460443) in Wikidata

    Ranka Stanković, Lazar Davidović (2021)
    Vikipodaci su baza znanja Zadužbine Vikimedija koja predstavlja zajednički izvor različitih vrsta podataka koje koriste ne samo drugi Vikipedijini projekti, već sve više i brojne aplikacije semantičkog veba. U ovom radu ćemo prezentovati primer integracije Vikipodataka sa digitalnim bibliotekama i eksternim sistemima, kao i mogućnost ubrzanja pripreme i unosa podataka na primeru radova iz časopisa za digitalnu humanistiku Infoteka.
    semantički veb,otvoreni povezani podaci, vikpodaci,Infoteka, metapodaci časopisa
    ... collection and illustrating the fact that behind every article title there is a link to a Wikidata resource path. 17. 18 92 Infotheca Vol. 21, No. 1, September 2021 Professional paper Figure 1. Biblisha digital library panel showing an overview of the metadata about Infotheca. The information about ...
    ... inundated by false information on the web, proper corroboration of information by relevant sources certainly plays a key role. Since we wanted to automatize the process of preparing and entering information, we looked 2. DBPedia 3. Scholia, Scholia at Wikidata 4. An overview of past and present conferences ...
    ... Anupam Joshi, R Scott Cost, and James Matfield. 2002. “Information retrieval on the semantic web.” In Proceedings of the eleventh international conference on Information and knowledge man- agement, 461–468. Stakić, Dorde. 2009. “Wiki Technology - Origin - Development and Impor- tance.” INFOtheca-Journal ...

  • Hydrogeochemistry of Uranium in the Groundwaters of Serbia

    Marina Ćuk, Maja Todorović, Petar Papić, Jovan Kovačević, Zoran Nikić (2015)

  • Analysis Of the Process Of Carbon Capture Utilization And Storage In Underground Reservoirs

    John Nyame (2024)
    The importance of mitigating the effects of global climate change has necessitated an in-depth exploration of innovative strategies to reduce carbon dioxide (CO2) emissions. Among these strategies, Carbon Capture, Utilization, and Storage (CCUS) has emerged as a promising and transformative solution. This master thesis delves into the diverse realm of CCUS processes, aiming to unravel the positives challenges, and opportunities within this dynamic field. The analysis begins with a systematic examination of carbon capture technologies, encompassing post-combustion, pre-combustion, and oxy-fuel combustion ...
    Carbon Capture, Utilization and Storage
    ... porosity and permeability. The storage site must have enough and available capacity to receive the rate of injection of CO» as it was removed from its source. Today, well-drilling and injection technology, computer simulation of reservoir storage and monitoring methods from existing applications are ...
    ... fully depleted oil and gas fields as carbon storage sites over others are the abundance of data and know-how acquired over the field cycle [81]. Computer models have been developed in the oil and gas industry to predict the movement and trapping of hydrocarbons and wells and equipment that have ...
    ... atmosphere to have a sustainable environment and to mitigate global climate crises. Research in this work will provide a comprehensive and detailed information regarding the analysis of carbon capture with its emerging and new technologies with the intricacies and challenges associated, utilization of ...

  • Determination of the groundwater-leakage mechanism (binary mixing) in a karstic dam site using thermometry and isotope approach (HPP Visegrad, Bosnia, and Herzegovina)

    Ljiljana Vasić, Saša Milanović, Anita Puskás-Preszner, Laszlo Palcsu (2020)
    Earth-Surface Processes,Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary Change

  • Fault type assessment based on vertical gravity gradient anomalies – advantages and limitations

    Ivana Vasiljević, Snežana Ignjatović, Branislav Sretković (2024)
    The type of dip-slip faults can be assessed based on the analysis of vertical gravity gradients. Theoretically, just a simple comparation of the gradient extreme values can give us an answer whether the fault is normal or reverse (thrust). Practical application of this method is far more complicated and the results depend on a number of parameters, such as a complexity of geological setting, the quality of gravity data, dip angle and displacement of the fault, density contrast, etc. ...
    dip-slip faults, vertical gravity gradients, field data analysis
    ... are considered. If that is the case, the information gained from VGG data can be valuable in different areas of exploration (Sumintadireja et al., 2018). ACKNOLEDGEMENT The funds are provided by the Ministry of science, technological development and innovation of the Republic of Serbia, based ...
    ... advantages . and limitations.. The main advantage is in the simplicity of application. The basic visual and numerical analysis of the curves can produce the information on the 88 fault type, approximate position of the fault line and general estimation of the dip angle (direction and whether the ...
    ... Petroleum Science and Engineering, 207: 109129 Kusumoto S., 2017: Eigenvector of gravity gradient tensor for estimating fault dips considering fault type. Earth and Planetary Science, 4:15. Rakić M., Dimitrijević M., Terzin V., Cvetković D., Petrović V., 1973: Geological map and Guide book ...

  • Development Of The Serbian Geological Resources Portal

    Ranka Stanković, Jelena Prodanović, Olivera Kitanović, Velizar Nikolić (2011)
    ... the information from diverse sources in a unified way. This paper presents technologies and tools used to develop the portal available at http://geoliss.ekoplan.gov.rs. A geo-portal is a type of web portal used to find and access geographic information (geospatial information) and associated geographic ...
    ... jQuery library for text animation and generation of detailed overview of objects, as well as external Adobe flash plug-ins, FlashPageFlip and Zoomify. The multimedia part of the portal is organized in several subsections: subsection consisting of the gallery of photographs, presentations, and video ...
    ... the migration to the ArcGIS 10 platform, the implementation and inten- sive use of web services and web applications which consume them. Further steps encompass the creation of a lexicon of mapped units, and integration of the dictionary and cartographic representation of spatial objects in which they ...

  • Selection of Artificial Lift Methods: A Brief Review and New Model Based on Fuzzy Logic

    Miroslav Crnogorac, Miloš Tanasijević, Dušan Danilović, Vesna Karović Maričić, Branko Leković (2020)
    Artificial lift methods have applications in oil wells where oil production is no longer possible due to natural reservoir energy, so this necessary energy is added by introducing lift methods. In order to achieve optimum production, the selection of an artificial lift method is very important. This paper uses fuzzy logic as a mathematical and conceptual model for selection of the optimal artificial lift method. The outcome or IF-THEN rules, as the central part of the model, is based ...
    mehaničke metode, proizvodnja nafte, fazi logika, donošenje odluka, optimizacija
    ... March 2020). 17. Klir, G.J.; Yuan, B. Fuzzy Sets and Fuzzy Logic: Theory and Applications. J. Chem. Inf. Comput. Sci. 1996, 36, 619. Energies 2020, 13, 1758 15 of 15 18. Wang, J.; Yang, J.B.; Sen, P. Safety analysis and synthesis using fuzzy sets and evidential reasoning. Reliab. Eng. Syst. Saf. 1995 ...
    ... ability to control the technical and financial aspects of the selection of artificial lift methods. The was based on the characteristics of each artificial lift method, the basic value of investments, and maintenance costs and equipment, using a specific computer algorithm [7]. In 1988, Joe Dunn ...
    ... be easily quantified [10]. The process of selecting an ideal method for exploitation is complex and subjective. Different researchers can choose different methods using the same facts and information. There is, however, a process of thinking that everyone can follow to eliminate some subjectivity ...

  • A Fuzzy Expert Model for Availability Evaluation

    Dejan Ivezić, Miloš Tanasijević, Predrag Jovančić, Radiša Đurić (2019)
    Each technical system within itself carries the great potential danger of possible occurrence of failure and damages. Mining machines are characteristic by great investment values, costs of unplanned shutdowns, complex working conditions, and environment and workers hazards. Systematic monitoring of the mining machinery is of great importance for the management of the mining companies. Availability is the overall concept of quality of service. Includes information regard to operating state, an idle state, a standby state and shut down. The ...
    raspoloživost, ekspertski sistem, fazi teorija, buldozeri
    ... are not noted. Therefore, for providing relevant information about the availability of machines a significant amount of additional data and information should be included in analyses and processed. These data and information are very heterogeneous and include descriptions of failures, maintenance ...
    ... Conference on Mining and Metallurgy, Technical Faculty Bor, 15 - 18, Serbia, 28. Sep - 01. Oct, 2016. [6] G. Klir G.J., Yuan B., Fuzzy sets and fuzzy logic: theory and applications, Prentice-Hall, Inc. Upper Saddle River, NJ, USA [7] Kabir S., Papadopoulos Y., A review of applications of fuzzy sets to ...
    ... often, not so reliable sources of information. The other approach is to use the experience of machine operators and workers in maintenance and logistics processes. The second approach is simpler and faster, and if it is verified by measured values it can be accepted as quite reliable. The ...

  • Optimization and Analysis of Drilling and Blasting Parameters Using O-Pitblast Software

    Stefan Milanović, Nikola Simić, Lazar Kričak, Milanka Negovanović, Nikola Đokić (2024)
    The development of modern technologies has enabled the application of specialized softwares in the field of mining through various segments and processes, including in works related to drilling and blasting. The application of specialized software for drilling and blasting with the use of modern technologies such as photogrammetry enabled more accurate data from the field for later processing. By processing data and creating a 3D model of the terrain for drilling and blasting works, it can obtain precise data, ...
    optimizacija, 3D model, bušenje, miniranje, O-Pitblast, softver

  • Low-temperature phase transition and magnetic properties of K3YbSi2O7

    Predrag Dabić, Volker Kahlenberg, Biljana Krüger, Marko Rodić, Sabina Kovač, Jovan Blanuša, Zvonko Jagličić, Ljiljana Karanović, Václav Petříček, Aleksandar Kremenović (2021)
    alkalni silikati elemenata retkih zemalja, fazni prelazi, magnetne karakteristike, razdvajanje kristalnog polja, silikati lantanica
    ... properties of both polymorphs. Funding information The following funding is acknowledged: Ministry of Educa- tion, Science and Technological Development of the Republic of Serbia (contract No. 451-03-09/2021-14/200126); Ministry of Education, Science and Technological Development of the Republic ...
    ... crystal structures of �-K3YbSi2O7 and �0- K3YbSi2O7, the phase transition and the observed twinning are presented in Sections 3.1 and 3.2. The most relevant information about data collections and refinements is compiled in Table 2. Selected bond lengths, bond angles and research papers 586 P. Dabić ...
    ... crystal structures of 6-K3;YbSi,0, and ’- K;YbSi,O,, the phase transition and the observed twinning are presented in Sections 3.1 and 3.2. The most relevant information about data collections and refinements is compiled in Table 2. Selected bond lengths, bond angles and Experiments were carried out with ...

  • Actual contamination of the Danube and Sava rivers at Belgrade (2013)

    Milan Antonijević, Marija Arsović, Josef Cáslavský, Vesna Cvetković, Predrag Dabić, Mladen Franko, Gordana Ilić, Milena Ivanovic, Nevena Ivanović, Milica Kosovac, Dragana Medić, Slobodan Najdanović, Milica Nikolić, Jovana Novaković, Tatjana Radovanović, Djurdjina Ranić, Bojan Šajatović, Gorica Špijunović, Ivana Stankov, Jelena Tošović, Polonca Trebse, Olivera Vasiljević, Jan Schwarzbauer (2014)
    rečni sistemi, stanje zagađenja, organski zagađivači, teški metali, skrining analize, non-target screening
    ... Gorica, Slovenia, 6Faculty of Science, University of Novi Sad, Serbia, 7Faculty of Science and Mathematics, University of Niš, Serbia, 8Faculty of Science and Mathematics, University of Kragujevac, Serbia and 9Institute of Geology and Geochemistry of Petroleum and Coal, RWTH Aachen University, ...
    ... measured after 30 min of exposure and the inhibition of luminescence with 95 % confidence limits, according to ISO 11348-2, was calculated, using a model supported by computer software. The whole process was completed in accurate time intervals provided by machine and computer signal- ization. The blank test ...
    ... dec-1 and an inter-scan time of 0.1 s. Identification of the organic compounds. The EI+-mass spectra were compared with spectra of reference compounds from mass spectral databases (NIST/EPA/NIH Mass Spectral Library NIST05, Wiley/NBS Registry of Mass Spectral Data, 7th electronic version) and gas ...

  • Availability as a dimension of energy security in the Republic of Serbia

    Boban Pavlović, Dejan Ivezić (2016)
    There is a range of modern approaches and models in literature for the evaluation and determination of energy security, which are based on different parameters and indicators. For most of them, a common characteristic is emphasizing the avail ability of energy, as an important dimension for ensuring energy security. In this paper, concise overview of Serbian energy sectors is given and appropriate energy indicators are defined and determined. Selected indicators provide insight into the main components that characterize availability ...
    raspoloživost energije, energetski indikatori, energetska bezbednost
    ... Serbian SS is very low and additional activities in oil and gas exploration should be undertaken. Diversification Diversity index provides more information than simply the number and amount of en- ergy sources used. It serves as valuable tool to quantify diversity in a community and describe its numerical ...
    ... engineering information indicates that can be recov- ered with reasonable certainty in the future, from known or identified energy resources and under existing economic and technical conditions [8]. Values of this indicator represent the number of remaining years until the exhaustion of reserves, with the ...
    ... g. coal, natural gas, renewables, and nuclear energy). Besides, it emphasizes the different nature Pavlović, B., et al.: Availability as a Dimension of Energy Security in the Republic of Serbia THERMAL SCIENCE: Year 2017, Vol. 21, No. 1A, pp. 323-333 325 and origin of threats to some energy system ...

  • Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving Machines

    Ugljesa Bugarić, Milos Tanasijević, Stevan Djenadić, Dragan Ignjatović, Ivan Janković (2022)
    This paper presents the model for the identification of reference points on the lifetime curve of engineering systems. This curve commonly represents the increase and decline of failure in relation to time. A direct correlation between failure rate and costs is assumed in this paper, therefore, statistical and empirical analysis of costs provided reference points. This approach is used for positioning stages of the engineering system’s lifetime with a minimal number of failures and costs, regardless of whether these ...
    Electrical and Electronic Engineering,Industrial and Manufacturing Engineering, Control and Optimization, Mechanical Engineering, Computer Science (miscellaneous), Control and Systems Engineering