Survey on JSON Data Modelling

Abstract

JavaScript Object Notation (JSON) is a popular data format based on the data types of JavaScript programming language. As a lightweight semi-structured data format language, it has become the main data exchange format over the World Wide Web in the past several years, and gained popularity in database community research. JSON data model describes the basic data structures and semantics of the underlying JSON data, so it is the fundamental and key aspects for JSON data format. As JSON data model is also the key and foundation for other data management technologies, such as data indexing, data querying, data searching, data mapping, data integrating, and data mining, how to design an efficient and powerful model for JSON data is necessary and important to other related research topics, such as data integration, data search and query, data quality and evaluation, etc. In this paper, we investigate some approaches to modelling JOSN data and corresponding JSON schemas, which are mainly based on tree models. The advantages and disadvantages of each method are analyzed and compared.