jHound: Large-Scale Profiling of Open JSON Data

URN to cite this document:: urn:nbn:de:bvb:355-epub-772983
DOI to cite this document:: 10.5283/epub.77298

Möller, Mark Lukas ; Berton, Nicolas ; Klettke, Meike

; Scherzinger, Stefanie ; Störl, Uta

License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 02 Sep 2025 05:21

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Abstract

We present jHound, a tool for profiling large collections of JSON data, and apply it to thousands of data sets holding open government data. jHound reports key characteristics of JSON documents, such as their nesting depth. As we show, jHound can help detect structural outliers, and most importantly, badly encoded documents: jHound can pinpoint certain cases of documents that use string-typed ...