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Sofia University "St. Kliment Ohridski"

Browsing OpenAIRE by Author "Koychev, Ivan"

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Browsing OpenAIRE by Author "Koychev, Ivan"

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  • Kraychev, Boris; Koychev, Ivan (Springer-Verlag Berlin Heidelberg 2011, 2011)
    We present a method for automatic generation of sentiment aware lexicon based on 500’000 recent online user reviews about restaurants and hotels. The experiments include an implementation of a web crawler, part of speech ...
  • Ali, Waris; Koychev, Ivan (Demetra EOOD, 2010)
    Nowadays a lot of systems are available for searching e-books, but the ways to retrieve relevant and meaningful information are difficult. To cope with this problem of retrieving relevant information efficiently we proposed ...
  • Chenkova, Elitza; Koychev, Ivan (Demetra EOOD, 2009)
    Finding relevant resources and supplemental information that support the process of text creation is time consuming and often distracting for the author. With the increase of digitally stored information, accessing diverse ...
  • Damova, Mariana; Koychev, Ivan (Demetra EOOD, 2010)
    This paper presents a survey of recent extractive query-based summarization techniques. We explore approaches for single document and multi-document summarization. Knowledge-based and machine learning methods for choosing ...
  • Koychev, Ivan; Nikolov, Roumen; Dicheva, Darina (Demetra EOOD, 2009)
    This paper presents a vision for the future of the e-books as part of the growing collective intelligence. The vision entails further development of technologies that will facilitate the creation and use of a new generation ...
  • Stamenov, Alexander; Koychev, Ivan (Demetra EOOD, 2009)
    From the early days of development of Artificial Intelligence, there was a strong in-terest in applications in the area of medicine. The interest was strong enough to form a separate branch in the early ‘80s entitled ...

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