Evaluating technological emergence using text analytics: Two case technologies and three approaches

Samira Ranaei, Arho Suominen (Corresponding Author), Alan Porter, Stephen Carley

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    Scientometric methods have long been used to identify technological trajectories, but we have seldom seen reproducible methods that allow for the identification of a technological emergence in a set of documents. This study evaluates the use of three different reproducible approaches for identifying the emergence of technological novelties in scientific publications. The selected approaches are term counting technique, the emergence score (EScore) and Latent Dirichlet Allocation (LDA). We found that the methods provide somewhat distinct perspectives on technological. The term count based method identifies detailed emergence patterns. EScore is a complex bibliometric indicator that provides a holistic view of emergence by considering several parameters, namely term frequency, size, and origin of the research community. LDA traces emergence at the thematic level and provides insights on the linkages between emerging research topics. The results suggest that term counting produces results practical for operational purposes, while LDA offers insight at a strategic level.

    Original languageEnglish
    Pages (from-to)215-247
    Number of pages33
    JournalScientometrics
    Volume122
    Issue number1
    Early online date2 Nov 2019
    DOIs
    Publication statusPublished - 1 Jan 2020
    MoE publication typeA1 Journal article-refereed

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    Keywords

    • Emergence score (EScore)
    • Technological emergence
    • Text analytics
    • Topic modeling

    Cite this

    Ranaei, Samira ; Suominen, Arho ; Porter, Alan ; Carley, Stephen. / Evaluating technological emergence using text analytics : Two case technologies and three approaches. In: Scientometrics. 2020 ; Vol. 122, No. 1. pp. 215-247.
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    Evaluating technological emergence using text analytics : Two case technologies and three approaches. / Ranaei, Samira; Suominen, Arho (Corresponding Author); Porter, Alan; Carley, Stephen.

    In: Scientometrics, Vol. 122, No. 1, 01.01.2020, p. 215-247.

    Research output: Contribution to journalArticleScientificpeer-review

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