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Authors: Anna Formica ; Mauro Mazzei ; Elaheh Pourabbas and Maurizio Rafanelli

Affiliation: National Research Council, Istituto di Analisi dei Sistemi ed Informatica “Antonio Ruberti”, Via dei Taurini, 19, I-00185, Rome and Italy

Keyword(s): GIS, Pictorial Queries, Geographic Operators, GeoJSON Specifications, Distributed Databases.

Abstract: Widespread use of the Web has increased the need to share and access distributed Geographic Information Systems (GIS). In this context, spatial query languages act as a guideline for Web-based GIS. In this paper, we focus on the Geographical Pictorial Query Language (GeoPQL) and enhance the related system in order to query distributed GIS. This is achieved by using the GeoPQLJ functions which are based on the GeoJSON format specifications. They are implemented in order to invoke the GeoPQL polygon-polyline operators, which is the focus of this paper. We define the logical diagram of the GeoPQLJ distributed system, and illustrate its underlying functionalities.

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Paper citation in several formats:
Formica, A.; Mazzei, M.; Pourabbas, E. and Rafanelli, M. (2019). Querying Distributed GIS with GeoPQLJ based on GeoJSON. In Proceedings of the 5th International Conference on Geographical Information Systems Theory, Applications and Management - GISTAM; ISBN 978-989-758-371-1; ISSN 2184-500X, SciTePress, pages 175-182. DOI: 10.5220/0007657201750182

@conference{gistam19,
author={Anna Formica. and Mauro Mazzei. and Elaheh Pourabbas. and Maurizio Rafanelli.},
title={Querying Distributed GIS with GeoPQLJ based on GeoJSON},
booktitle={Proceedings of the 5th International Conference on Geographical Information Systems Theory, Applications and Management - GISTAM},
year={2019},
pages={175-182},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007657201750182},
isbn={978-989-758-371-1},
issn={2184-500X},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Geographical Information Systems Theory, Applications and Management - GISTAM
TI - Querying Distributed GIS with GeoPQLJ based on GeoJSON
SN - 978-989-758-371-1
IS - 2184-500X
AU - Formica, A.
AU - Mazzei, M.
AU - Pourabbas, E.
AU - Rafanelli, M.
PY - 2019
SP - 175
EP - 182
DO - 10.5220/0007657201750182
PB - SciTePress

- Science and Technology Publications, Lda.
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