
Human-in-the-Loop Schema Inference for Massive JSON Datasets
Baazizi, Mohamed-Amine; Berti, Clément; Colazzo, Dario; Ghelli, Giorgio; Sartiani, Carlo (2020), Human-in-the-Loop Schema Inference for Massive JSON Datasets, EDBT 2020 - 23nd International Conference on Extending Database Technology, Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik, p. 635-638. 10.5441/002/edbt.2020.82
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Type
Communication / ConférenceDate
2020Conference title
23rd International Conference on Extending Database Technology, EDBT 2020Conference date
2020Conference country
DENMARKBook title
EDBT 2020 - 23nd International Conference on Extending Database TechnologyPublisher
Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik
ISBN
978-3-89318-083-7
Pages
635-638
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Show full item recordAbstract (EN)
JSON established itself as a popular data format for representing data whose structure is irregular or unknown a priori. JSON collections are usually massive and schema-less. Inferring a schema describing the structure of these collections is crucial for formulating meaningful queries and for adopting schema-based optimizations. In a recent work, we proposed a Map/Reduce schema inference approach that either infers a compact representation of the input collection or a precise description of every possible shape in the data. Since no level of precision is ideal, it is more appealing to give the analyst the freedom of choosing between different levels of precisions in an interactive fashion. In this paper we describe a schema inference system offering this important functionality.Subjects / Keywords
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