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RLPC: Record Linkage Pre-Cleaning – Technical Documentation of Routines

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  • Ehrenfeld, Wilfried

Abstract

The primary objective of record linkage is the merger of different data sets on the basis of an unique identifier. The cases at hand are mostly company data sets from databanks with company characteristics (e.g. BvD Amadeus/Dafne), patent data sets (e.g. Patstat or DPMA) and funding data sets (e.g. BMBF funding catalog). These data sets shall be merged on the basis of the company names. Due to the fact that company names have varying notations in different databases - for example the corporate structure – a harmonization and standardization is necessary. The routines described here implement the record linkage pre-cleaning (RLPC). They are used to create record linkage compatible names (RLName) from given (actor) names (Name). This includes converting special characters to ASCII characters, identifying corporate structures, isolating and separating bracketed expressions. The result is an expression which allows for a comparison with other names. Following this pre-cleaning, record linkage systems can be used to merge several data sets that have been pretreated in the same way.

Suggested Citation

  • Ehrenfeld, Wilfried, 2015. "RLPC: Record Linkage Pre-Cleaning – Technical Documentation of Routines," IWH Technical Reports 02/2015e, Halle Institute for Economic Research (IWH).
    • Handle: RePEc:zbw:iwhtrp:022015e
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    References listed on IDEAS

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    1. Ehrenfeld, Wilfried, 2015. "RegDemo: Preparation and Merger of Actor Data – Technical Documentation of Routines and Datasets," IWH Technical Reports 01/2015e, Halle Institute for Economic Research (IWH).
    2. Ehrenfeld, Wilfried, 2015. "Research Explorer – Technical Documentation of Routines," IWH Technical Reports 03/2015e, Halle Institute for Economic Research (IWH).
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    Cited by:

    1. Fritsch, Michael & Titze, Mirko & Piontek, Matthias, 2020. "Identifying cooperation for innovation―a comparison of data sources," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 27(6), pages 630-659.
    2. Ehrenfeld, Wilfried, 2015. "RegDemo: Preparation and Merger of Actor Data – Technical Documentation of Routines and Datasets," IWH Technical Reports 01/2015e, Halle Institute for Economic Research (IWH).
    3. Michael Fritsch & Mirko Titze & Matthias Piontek, 2018. "Knowledge Interactions in Regional Innovation Networks: Comparing Data Sources," Jena Economics Research Papers 2018-003, Friedrich-Schiller-University Jena.
    4. Ehrenfeld, Wilfried, 2015. "RegDemo: Aufbereitung und Zusammenführung der Akteursdaten – Technische Dokumentation der Routinen und Datensätze," IWH Technical Reports 01/2015, Halle Institute for Economic Research (IWH).

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    1. Michael Fritsch & Mirko Titze & Matthias Piontek, 2020. "Identifying cooperation for innovation―a comparison of data sources," Industry and Innovation, Taylor & Francis Journals, vol. 27(6), pages 630-659, June.
    2. Ehrenfeld, Wilfried, 2015. "RegDemo: Preparation and Merger of Actor Data – Technical Documentation of Routines and Datasets," IWH Technical Reports 01/2015e, Halle Institute for Economic Research (IWH).
    3. Michael Fritsch & Mirko Titze & Matthias Piontek, 2018. "Knowledge Interactions in Regional Innovation Networks: Comparing Data Sources," Jena Economics Research Papers 2018-003, Friedrich-Schiller-University Jena.

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