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An Approach to Extracting Topic-guided Views from the Sources of a Data Lake

Author

Listed:
  • Claudia Diamantini

    (DII, Polytechnic University of Marche)

  • Paolo Lo Giudice

    (DIIES, University “Mediterranea” of Reggio Calabria)

  • Domenico Potena

    (DII, Polytechnic University of Marche)

  • Emanuele Storti

    (DII, Polytechnic University of Marche)

  • Domenico Ursino

    (DII, Polytechnic University of Marche)

Abstract

In the last years, data lakes are emerging as an effective and an efficient support for information and knowledge extraction from a huge amount of highly heterogeneous and quickly changing data sources. Data lake management requires the definition of new techniques, very different from the ones adopted for data warehouses in the past. In this scenario, one of the most challenging issues to address consists in the extraction of topic-guided (i.e., thematic) views from the (very heterogeneous and often unstructured) sources of a data lake. In this paper, we propose a new network-based model to uniformly represent structured, semi-structured and unstructured sources of a data lake. Then, we present a new approach to, at least partially, “structuring” unstructured data. Finally, we define a technique to extract topic-guided views from the sources of a data lake, based on similarity and other semantic relationships among source metadata.

Suggested Citation

  • Claudia Diamantini & Paolo Lo Giudice & Domenico Potena & Emanuele Storti & Domenico Ursino, 0. "An Approach to Extracting Topic-guided Views from the Sources of a Data Lake," Information Systems Frontiers, Springer, vol. 0, pages 1-20.
    • Handle: RePEc:spr:infosf:v::y::i::d:10.1007_s10796-020-10010-x
    DOI: 10.1007/s10796-020-10010-x
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    References listed on IDEAS

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