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136 research outcomes, page 1 of 14
  • publication . Article . 2003
    Open Access
    Authors:
    Jordan Kortenski; Svetlozar Bakardjiev;
    Publisher: Elsevier BV

    Abstract Coal samples from three Bulgarian basins were investigated for their rare earth and radioactive element concentrations. The samples ranged in rank from lignite to anthracite. All the samples contained La, Ce, Sm, Eu, Tb, Yb, Th and U. Lu occurs in sub-bituminou...

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  • publication . Article . 2015
    Open Access
    Authors:
    Velislava Stoykova;
    Persistent Identifiers
    Publisher: Elsevier BV

    Abstract The paper presents interpretation of universal quantifier in Bulgarian language with Universal Networking Language (UNL). It analyzes semantic and linguistic properties of universal quantifier and describes the parts of speech which function as quantifiers. In ...

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  • publication . Article . 2017
    Open Access
    Persistent Identifiers
    Publisher: Център за стопанско-исторически изследвания

    The paper discusses the main characteristic features of economic history. The author makes an attempt to highlight the meaning and social importance of research in this field. These problems are placed in the light of the achievements and shortcomings of the economic hi...

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  • publication . Article . 2013
    Open Access English
    Authors:
    Kovatcheva, Eugenia;
    Persistent Identifiers
    Publisher: Institute of Mathematics and Informatics Bulgarian Academy of Sciences

    This paper dials with presentations of the Bulgarian Cultural and Historical Heritage in the Cyberspace. The study was taking place at the Information management course with bachelor students in Information Technologies, Information Brokerage and Information Security at...

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  • publication . Article . 2008
    Open Access
    Persistent Identifiers
    Publisher: Institute of Information Theories and Applications FOI ITHEA

    В статье рассмотрен формальный подход и основное содержание методологии формализованного проектирования.

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  • publication . Article . 2007
    Open Access English
    Authors:
    Pavlova-Draganova, Lilia; Georgiev, Vladimir; Draganov, Lubomil;
    Persistent Identifiers
    Publisher: Institute of Information Theories and Applications FOI ITHEA

    East-Christian icon art is recognised as one of the most significant areas of the art of painting. Regrettably, it is still being neglected in the digital documentation and the registry of the art of painting. The accessibility to that large part of mankind's cultural a...

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  • publication . Article . 2016
    Open Access
    Authors:
    Ionuț Ștefan Iorgu; Elena Iulia Iorgu; Gellért Puskás; Slobodan Ivkovic; Simeon Borisov; Viorel Dumitru Gavril; Dragan Chobanov;
    Persistent Identifiers
    Publisher: Pensoft Publishers
    Project: EC | SYNTHESYS (226506)

    Abstract Described from the steppe zones north of the Black Sea, Caucasus, and central Asia, Gryllotalpa stepposa Zhantiev was recently recorded from a few localities in Greece, R. Macedonia, and Bulgaria. In May 2015, several specimens were collected from Ivrinezu Mare...

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  • publication . Article . 2017
    Open Access English
    Authors:
    Mila Koeva; M.I. Luleva; Plamen Maldjanski;
    Persistent Identifiers
    Publisher: MDPI

    Development and virtual representation of 3D models of Cultural Heritage (CH) objects has triggered great interest over the past decade. The main reason for this is the rapid development in the fields of photogrammetry and remote sensing, laser scanning, and computer vi...

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  • publication . Article . 2008
    Open Access
    Persistent Identifiers
    Publisher: Institute of Information Theories and Applications FOI ITHEA

    Рассмотрен подход к конспектированию ЕЯ текстов с использованием трехуровневой онтологии ассоциаций. Предложенная структура онтологии позволяет улучшить связность конспекта.

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  • publication . Article . 2014
    Open Access English
    Authors:
    Jaén Espinosa, Marino;
    Persistent Identifiers
    Publisher: Institute of Mathematics and Informatics Bulgarian Academy of Sciences

    This paper reflects on the experience of PanamaTipico.com, an independent website specialized in the research and preservation of the cultural heritage of the Republic of Panama, a developing country located in Central America. Basic information about the project is des...

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136 research outcomes, page 1 of 14