Research Archive
Sofia University "St. Kliment Ohridski"

Browsing by Subject "Natural Language Processing"

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Browsing by Subject "Natural Language Processing"

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  • CGExtract: Towards Extraction of Conceptual Graphs from Controlled English 
    Boytcheva, Svetla; Dobrev, Pavlin; Angelova, Galia (Contributions to ICCS-2001, 9th International Conference of Conceptual Structures,, 2001-06-30)
    Automatic extraction of formal knowledge specifications from Natural Language (NL) text is a challenging research and development area. Currently the task is considered feasible for restricted NL input only. A number of ...
  • Classification of Online Reviews by Computational Semantic Lexicons 
    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 ...