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Toward Network-based Keyword Extraction from Multitopic Web Documents (CROSBI ID 617203)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Šišović, Sabina ; Martinčić-Ipšić, Sanda ; Meštrović, Ana Toward Network-based Keyword Extraction from Multitopic Web Documents // Proceedings of the 6th International Conference on Information Technologies and Information Society (ITIS 2014) / Levnajić, Zoran ; Boshkoska, Biljana Mileva (ur.). Novo Mesto: Fakulteta za informacijske študije v Novem mestu, 2014. str. 18-27

Podaci o odgovornosti

Šišović, Sabina ; Martinčić-Ipšić, Sanda ; Meštrović, Ana

engleski

Toward Network-based Keyword Extraction from Multitopic Web Documents

In this paper we analyse the selectivity measure calculated from the complex network in the task of the automatic keyword extraction. Texts, collected from different web sources (portals, forums), are represented as directed and weighted co-occurrence complex networks of words. Words are nodes and links are established between two nodes if they are directly co-occurring within the sentence. We test different centrality measures for ranking nodes – keyword candidates. The promising results are achieved using the selectivity measure. Then we propose an approach which enables extracting word pairs according to the values of the in/out selectivity and weight measures combined with filtering.

keyword extraction; complex networks; co-occurrence language networks; Croatian texts; selectivity

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Podaci o prilogu

18-27.

2014.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of the 6th International Conference on Information Technologies and Information Society (ITIS 2014)

Levnajić, Zoran ; Boshkoska, Biljana Mileva

Novo Mesto: Fakulteta za informacijske študije v Novem mestu

978-961-93391-3-8

Podaci o skupu

International Conference on Information Technologies and Information Society (ITIS2014)

predavanje

05.11.2014-07.11.2014

Šmarješke toplice, Slovenija

Povezanost rada

Računarstvo, Informacijske i komunikacijske znanosti