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2491 items

  • Building learning capacity by blending different sources of knowledge

    Ivan Obradović, Ranka Stanković, Olivera Kitanović, Dalibor Vorkapić (2016)
    ... enterprises. In the envisaged network of institutions OER materials from both sources will be available on the web for everyone, anytime, which will broaden knowledge acquired within higher education institutions, on the one hand, and foster life-long learning within enterprises, on the other. While ...
    ... those of the OCW consortium Europe1. Namely, the rapid growth of interest of European universities in OER and OCW resulted in the establishment of a consortium of academic institutions committed to publishing their courses on the web, led by the Delft University of Technology. Within the partners ...
    ... handling a query, the Language Web Service uses a component of the multipurpose tool for lexical resources management and query expansion LeXimir, developed at UBFMG (Stanković et al., 2011). Queries are accepted by the web application, which forwards it to the web service. The web service then invokes ...

  • Using technology for knowledge transfer between academia and enterprises

    Ivan Obradović, Ranka Stanković (2014)
    ... of a web application and a web service. When handling a query, the Language Web Service uses a component of the multipurpose tool LeXimir, namely the function library LeXimir_Core. A query originating from the LMS is accepted by the web application, which forwards it to the web service. The web ...
    ... tutors, virtual learning communities, and especially web-based learning management systems (LMS) are being more and more used in TEL (Rhoads, Berdan & Toven‐Lindsey, 2013). Within TEL, the idea of making university courses publicly available on the web as open courseware (OCW) has emerged, leading ...
    ... knowledge to students on a wider basis and novel academic knowledge to graduate employees in enterprises, within a TEL platform founded on OER principles. This web- based platform will enable higher education institutions to publish different academic learning resources in the form of video and lectures ...

  • Using Metadata For Content Indexing Within An OER Network

    Ranka Stanković, Olivera Kitanović, Ivan Obradović, Roberto Linzalone, Giovanni Schiuma, Daniela Carlucci (2014)
    ... withthe goal to improve the display of search results, thus making it easier for users to find the right web pages. To that end, content publishers insert machine readable information into the code of web pages, which helps search engines interpret the sense of the text on those pages. One example ...
    ... display of search results, thus making it easier for users to find the right web pages. To that end, content publishers insert machine readable information into the code of web pages, which helps search engines interpret the sense of the text on those pages. One example of such tagging for a page containing ...
    ... institutions within the network, the only condition being that those resources are registered and described in the central metadata repository. 3. METADATA MANAGEMENT The Schema.org initiative was the result of the exponential growth of data on the web and large intranets, which made the location ofweb ...

  • Softverski alati za korišćenje resursa za srpski jezik

    Ivan Obradović, Ranka Stanković (2008)
    ... for conversion of resources 4 Development of the WS4QE web application for lexical resources The possibility and the need for some of the functions developed within WS4LR to become also available on the web led to the develop- ment of the WS4QE web application for lexical resources. This application ...
    ... selection of dictionaries. The user can select the program code (script) he/ she finds the most suitable for conversion, depend- ing on the form of resources to be converted (text, graph, morphological dictionary, and the like), as well as on the specific demands of the conversion. The conversion is implemented ...
    ... tasks within the Group. Based on this tool, a web application is now being de- veloped in the Group, under the “working” ac- ronym WS4QE (Workstation for Query Expan- sion) with the aim of enabling the development and usage of lexical resources for Serbian via the web. In parallel with the application ...

  • Building Terminological Resources in an e-Learning Environment

    Ranka Stanković, Ivan Obradović, Olivera Kitanović, Ljiljana Kolonja (2012)
    ... equivalents, developed within the GeolISS project and available for search on the web (http://geoliss.ekoplan.gov.rs/term). Due to this scarcity of terminological resources, a team of researches at the University of Belgrade Faculty of Mining and Geology (FMG) embarked on the task of developing RudOnto ...
    ... of the "major" languages. When blended learning is implemented, where e-learning is an important part of the learning process, then the ever expanding number of available texts in electronic form on the web makes this issue even more critical. Bearing this in mind, we have recognized the necessity ...
    ... types, and the like). Controlled dictionaries derived from RudOnto also serve for validation, classification and specification of the content stored in its database. In addition to that, as the importance of efficient and flexible database search and information extraction on the web is growing ...

  • An Approach to Development of Bilingual Lexical Resources

    Stanković Ranka, Obradović Ivan, Trtovac Aleksandra (2012)
    ... 7. REFERENCES [1] Filip, D., Lewis, D., Sasaki, F. 2012. The Multilingual Web: Report on Multilingualweb Initiative. In: Proceedings of the 21st International Conference Companion on World Wide Web (Lyon, France, April 16-20, 2012), pp. 251-254. [2] Kovačević, Lj., Injac, V., Begenišić, D. ...
    ... selecting the pair of synsets to be related, and then clicking on the two arrows symbol. Figure 3: Part of the web page for Biblimir input. 4. DEVELOPING BIBLIMIR We applied Bibliša to search TMX document collections generated from INFOtheca using available resources. An overview of the size ...
    ... in a box on the left hand side, while the box on the right shows English terms that result from the search. Usually, one of the boxes is empty, but there are cases when the keyword matches terms in both languages, as for example printer. The user can select one or more terms from the two boxes ...

  • A Tel Platform Blending Academic And Entrepreneurial Knowledge

    Ivan Obradović, Ranka Stanković, Jelena Prodanović, Olivera Kitanović (2013)
    ... developed within the GeolISS project and available for search on the web (http://geoliss.mprrpp.gov.rs/term/). Another example is RudOnto, a complex terminological resource also developed at the University of Belgrade Faculty of Mining and Geology and aimed at gradually becoming the reference ...
    ... LeXimir. The language support system responds to various types of queries issued by the learning platforms. Basically, the web service receives the query from the web application and invokes LeXimirCore, which processes the query. Using the available resources, the system can expand the query ...
    ... expanding availability of various texts on the web. Besides being indispensable in information an document retrieval systems, these resources have a strong educational impact [7]. Students involved in the study of OCW in a specific domain should get acquainted with the proper terminology related to ...

  • 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
    ... query expansion, was developed as a web extension of our multipurpose tool LeXimir [Stankovic et al., 2011], with the aim of managing the complex task of query expansion on the web. The web service, which receives the query from the web application, invokes the function library (LeXimirCore), ...
    ... article, links are offered to the full text of 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 ...
    ... usually in the source language, and the texts in the remaining TUVs are in one or more target languages. Although the order of languages is the same in each TU, there is a TUV attribute xml:lang that denotes the language of the text within the TUV. The performance of Bibliša was tested on a TMX ...

  • Proširivanje upita zasnovano na leksičkim resursima

    Ranka Stanković, Ivan Obradović, Cvetana Krstev (2009)
    U radu je opisano kako se leksički resursi za srpski jezik i softverski alati, razvijeni u okviru Grupe za jezičke tehnologije Univerziteta u Beogradu, mogu koristiti za unapređenje postavljanja upita. Rezultati pretrage mogu biti značajno unapređeni korišćenjem različitih leksičkih resursa, kakvi su morfološki rečnici i semantičke mreže. Izloženi pristup može se iskoristiti i u Sistemu naučnih, tehnoloških i poslovnih informacija, jer je efikasno pretraživanje ovog dragocenog resursa, imajući u vidu njegovu heterogenost i obim, kao i preovladavajući tekstualni sadržaj, ...
    ... different tasks within the Group, and a web application named WS4QE, accompanied by several web services, that enables the solution of various tasks via the web. Besides a short description of the lexical resources for Serbian involved, we shall also describe how the functions of the WS4LR tool can be ...
    ... razvoj, kao i neke od mogućnosti za proširenje upita na web-u i korišćenje tih proširenih upita, koje pruža web aplikacija WS4QE. Abstract - This paper presents how resources and tools developed within the Human Language Technology Group at the University of Belgrade can be used for improvement of ...
    ... be used for their maintenance and development, as well as some possibilities for web query expansion offered by the WS4QE web application and the use of these expanded queries. 1. UVOD Upit koji se postavlja ka velikim tekstuelnim kolekcijama se u aktuelnim sistemima za pronalaženje ...

  • Project BEWARE—Landslide Post-disaster Relief Activities for Local Communities in Serbia

    Biljana Abolmasov, Dobrica Damjanović, Miloš Marjanović, Ranka Stanković, Velizar Nikolić, Sandra Nedeljković, Žarko Petrović (2017)
    ... involvement in the future) for translating research approach on higher (potentially national) levels, periods (sustainability), and purposes (e.g. potential early-warning prototyping). Potential additional functional- ities and prototypes on GIS web portal. WP10—Follow-up—Concluding the project by ...
    ... available on the Project web portal in pdf. format and it could be open for everybody. Each of 25 municipalities was supplied with the hardware and software components for tablets and desktop computers, topographic and geological maps and GPS (Fig. 7). 3. BEWARE Project portal—BEWARE web portal was ...
    ... enterprises and general public. Follow up activities will be included and supported through the Geological Information System of Serbia http://geoliss.mre.gov.rs/. All project data and results were presented on BEWARE web portal as open data reports. Fig. 10 Screenshot of Open access BEWARE Project data ...

  • 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

  • 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
    ... and the browsing of aligned bilingual text collections. Design/methodology/approach – The approach to the development of the presented digital library was to store its content in a NoSQL-database, with a web tool to enable the use of rich information in the stored text collections. The library ...
    ... of the metadata search 5 Searching capabilities 5.1 Full text search by keywords The user enters the keyword and optionally selects a text collection to search (the default is all collections). Besides the keyword itself, it is necessary to choose the keyword language, and then click on the ...
    ... (OER) 4.3 Web services and application Web services are used to access lexical resources and perform query expansion: multilingual, semantical and morphological. A Web interface is offered to the user for the metadata and full-text search by entering queries in one of ...

  • A Data Driven Approach for Raw Material Terminology

    Olivera Kitanović, Ranka Stanković, Aleksandra Tomašević, Mihailo Škorić, Ivan Babić, Ljiljana Kolonja (2021)
    The research presented in this paper aims at creating a bilingual (sr-en), easily searchable, hypertext, born-digital, corpus-based terminological database of raw material terminology for dictionary production. The approach is based on linking dictionaries related to the raw material domain, both digitally born and printed, into a lexicon structure, aligning terminology from different dictionaries as much as possible. This paper presents the main features of this approach, data used for compilation of the terminological database, the procedure by which it has ...
    sirovine, rudarstvo, terminologija, rečnik, terminološka aplikacija, mobilna aplikacija, digitizacija, leksički podaci, korpusi, otvoreni povezani podaci
    ... also aiming at compatibility with the Linked Data approach, using its set of design principles for sharing machine-readable interlinked data on the Web. This vision of globally accessible and linked data on the internet is based on RDF standards of the semantic web, using RDF serialisation for data ...
    ... technologies in the RDF/Linked Data world, with the possibility to surf linked open data on the Web, access SPARQL endpoints, resolve RDF descriptions through HTTP URIs, and so forth, as well to import/export data through standard Graph Store APIs and the like. 4.3. The Web and Mobile App The application ...
    ... and its preview on the same panel. The JavaScript display engine for mathematics MathJax [62,63] that works in all browsers is used in the web application, and KaTeX [64,65] for formula rendering in the mobile application. Figure 6. Formula editing and preview in term entry. The mobile application ...

  • Terminological and lexical resources used to provide open multilingual educational resources

    Biljana Lazić, Danica Seničić, Aleksandra Tomašević, Bojan Zlatić (2016)
    Open educational resources (OER) within BAEKTEL (Blending Academic and Entrepreneurial Knowledge in Technology enhanced learning) network will be available in different languages, mostly in the languages of Western Balkans, Russian and English. University of Belgrade (UB) hosts a central repository based on: BAEKTEL Metadata Portal (BMP), terminological web application for management, browse and search of terminological resources, web services for linguistic support (query expansion, information retrieval, OER indexing, etc.), annotation of selected resources and OER repository on local edX ...
    otvoreni obrazovni resursi, leksički resursi, obrada prirodnih jezika, terminologija
    ... ∑ terminological web application for management, browse and search of terminological resources, ∑ web services for linguistic support (query expansion, information retrieval, OER indexing, etc.), ∑ annotation of selected resources, ∑ OER repository on local edX platform. The BAEKTEL language ...
    ... different languages, mostly in the languages of Western Balkans, Russian and English. University of Belgrade (UB) hosts a central repository based on: BAEKTEL Metadata Portal (BMP), terminological web application for management, browse and search of terminological resources, web services for linguistic ...
    ... rely greatly on various NLP tools to help them cater to a large number of students from all over the world. These tools may include assessment of text and speech, writing assistants, automatic generation of exercises, wrap up questions and online instructional environments [3]. The main goal of ...

  • 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 ...

  • Managing mining project documentation using human language technology

    Aleksandra Tomašević, Ranka Stanković, Miloš Utvić, Ivan Obradović, Božo Kolonja (2018)
    Purpose: This paper aims to develop a system, which would enable efficient management and exploitation of documentation in electronic form, related to mining projects, with information retrieval and information extraction (IE) features, using various language resources and natural language processing. Design/methodology/approach: The system is designed to integrate textual, lexical, semantic and terminological resources, enabling advanced document search and extraction of information. These resources are integrated with a set of Web services and applications, for different user profiles and use-cases. Findings: The ...
    Digital libraries, Information retrieval, Data mining, Human language technologies, Project documentation

  • Towards Semantic Interoperability: Parallel Corpora as Linked Data Incorporating Named Entity Linking

    Ranka Stanković, Milica Ikonić Nešić, Olja Perisic, Mihailo Škorić, Olivera Kitanović (2024)
    U radu se prikazuju rezultati istraživanja vezanih za pripremu paralelnih korpusa, fokusirajući se na transformaciju u RDF grafove koristeći NLP Interchange Format (NIF) za lingvističku anotaciju. Pružamo pregled paralelnog korpusa koji je korišćen u ovom studijskom slučaju, kao i proces označavanja delova govora, lematizacije i prepoznavanja imenovanih entiteta (NER). Zatim opisujemo povezivanje imenovanih entiteta (NEL), konverziju podataka u RDF, i uključivanje NIF anotacija. Proizvedene NIF datoteke su evaluirane kroz istraživanje triplestore-a korišćenjem SPARQL upita. Na kraju, razmatra se povezivanje Linked ...
    paralelni korpusi, povezivanje imenovanih entiteta, prepoznavanje imenovanih entiteta, NER, NEL, povezani podaci, NIF, Vikipodaci

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

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

  • 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. ...
    ... linguistic research [9], using of Semantic Web-based techniques for representing digital resources as knowledge based resources and as Linked Open Data (LOD) on the Web [6], [15]. Digital dictionary of the South Serbian dialect*, containing over 20 thousand terms, is the first comprehensive implementation [7] ...
    ... oznobim profu¢kam On the left side of the vertical line are synonymous words in the standard dictionary while on the right side are synonym words in the dialect. The use of this table by the dialect dictionary advanced search tool enables a user to type any of eight words of the standard language in ...
    ... synonymous words of the standard language which are related to an equivalent set of dialect entries. This table is used as a part of the Web tool for advanced search of the digital dictionary of the South Serbian dialect. Figure 2 shows resources and procedures included in the process E-dictionaries ...

  • 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
    ... [8]. The goal of our research is to make its results compatible with the Linked Data approach, using its set of design principles for sharing machine-readable interlinked data on the Web. This vision of globally accessible and linked data on the internet is based on RDF standards for semantic web, using ...
    ... that will enable the use of these resources on the Web is under development. As for the development of the lexical resources, we plan to prepare an ontology for the classification of abusive data, including tweets, to tackle ambiguity in hate speech detection [20]. The development of the lexicon of abusive ...
    ... lexical dictionaries. In Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing, pages 254–263, 2017. 44 William Warner and Julia Hirschberg. Detecting hate speech on the world wide web. In Proceedings of the second workshop on language in social media, pages 19–26, 2012 ...