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Querying heterogeneous document stores

Ben Hamadou, Hamdi and Ghozzi, Faiza and Péninou, André and Teste, Olivier Querying heterogeneous document stores. (2018) In: 20th International Conference on Enterprise Information Systems (ICEIS 2018), 21 March 2018 - 24 March 2018 (Funchal, Madeira, Portugal).

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Official URL: https://doi.org/10.5220/0006777800580068


NoSQL document stores offer support to store documents described using various structures. Hence, the user has to formulate queries using the possible representations of the desired information from different schemas. In this paper, we propose a novel approach that enables querying operators over a collection of documents with structural heterogeneity. Our work introduces an automatic query rewriting mechanism based on combinations of elementary operators: project, restrict and aggregate. We generate a custom dictionary that tracks all representations for attributes used in the documents. Finally, we discuss the results of our approach with a series of experiments.

Item Type:Conference or Workshop Item (Paper)
HAL Id:hal-02559781
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Université de Toulouse > Université Toulouse - Jean Jaurès - UT2J (FRANCE)
Université de Toulouse > Université Toulouse 1 Capitole - UT1 (FRANCE)
Other partners > Université de Sfax (TUNISIA)
Laboratory name:
Deposited On:20 Apr 2020 09:57

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