1 PageRank, TextRank, closeness, betweenness, NP chunks , An - PowerPoint PPT Presentation

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PageRank, TextRank, closeness, betweenness, NP chunks , … An Overview of Graph-Based Keyword Extraction Methods and Approaches. Journal of Information and Organizational Sciences , vol. 39, no. 1, 2015. 2

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individual researchers group of researchers, and commercial technology providers, private and corporate language technology users, language professionals 6

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𝒋𝒐/𝒑𝒗𝒖 𝒋𝒐/𝒑𝒗𝒖 = 𝒕 𝒋 𝒇 𝒋 𝒋𝒐/𝒑𝒗𝒖 𝒍 𝒋 12

each word two words are linked if they are adjacent in the sentence proportional to the overall co- occurrence frequencies of the corresponding word pairs 13

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TITLE KEYWORDS (translated to English) POLITICS Migrants refugees, political life, Angela Merkel, elections, united, more, Austria, options, Germany, population, year ECONOMICS Credit without a customers, credit, capable, banks, ability, loan, permanent job institutions, interest rates, reserve, categories, evaluation, mandatory contract, criteria, agent SPORTS Serbian athlete, Rio, support, champion, medal, pride, paralympic Minister, preparation, effort, table tennis, athletes traveled team, London, Uroš Zeković to the Rio 19

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