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Keyword Extraction from Parallel Abstracts of Scientific Publications

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Semantic Keyword-Based Search on Structured Data Sources (IKC 2017)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 10546))

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Abstract

In this paper, we study the keyword extraction from parallel abstracts of scientific publication in the Serbian and English languages. The keywords are extracted by a selectivity-based keyword extraction method. The method is based on the structural and statistical properties of text represented as a complex network. The constructed parallel corpus of scientific abstracts with annotated keywords allows a better comparison of the performance of the method across languages since we have the controlled experimental environment and data. The achieved keyword extraction results measured with an F1 score are 49.57% for English and 46.73% for the Serbian language, if we disregard keywords that are not present in the abstracts. In case that we evaluate against the whole keyword set, the F1 scores are 40.08% and 45.71% respectively. This work shows that SBKE can be easily ported to new a language, domain and type of text in the sense of its structure. Still, there are drawbacks – the method can extract only the words that appear in the text.

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Notes

  1. 1.

    http://jerteh.rs/biblisha/ListaDokumenata.aspx?JCID=2&lng=en.

  2. 2.

    Bilingual Serbian-English KE dataset is publicly available from http://langnet.uniri.hr/resources.html.

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Acknowledgments

The authors would like to acknowledge networking support by the ICT COST Action IC1302 KEYSTONE – Semantic keyword-based search on structured data sources (www.keystone-cost.eu). The authors would also like to thank the University of Rijeka for the support under the LangNet project (13.13.2.2.07).

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Authors and Affiliations

  1. Department of Informatics, University of Rijeka, Radmile Matejčić 2, 51 000, Rijeka, Croatia

    Slobodan Beliga & Sanda Martinčić-Ipšić

  2. Faculty of Mining and Geology, University of Belgrade, Đušina 7, 11 000, Belgrade, Serbia

    Olivera Kitanović & Ranka Stanković

Authors
  1. Slobodan Beliga
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  2. Olivera Kitanović
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  3. Ranka Stanković
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  4. Sanda Martinčić-Ipšić
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Correspondence to Slobodan Beliga .

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Editors and Affiliations

  1. Gdańsk University of Technology, Gdańsk, Poland

    Julian Szymański

  2. Università degli Studi di Trento, Trento, Italy

    Yannis Velegrakis

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Beliga, S., Kitanović, O., Stanković, R., Martinčić-Ipšić, S. (2018). Keyword Extraction from Parallel Abstracts of Scientific Publications. In: Szymański, J., Velegrakis, Y. (eds) Semantic Keyword-Based Search on Structured Data Sources. IKC 2017. Lecture Notes in Computer Science(), vol 10546. Springer, Cham. https://doi.org/10.1007/978-3-319-74497-1_5

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  • DOI: https://doi.org/10.1007/978-3-319-74497-1_5

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