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Enabling Spatial Queries in Open Government Data Portals

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Electronic Government and the Information Systems Perspective (EGOVIS 2017)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 10441))

Abstract

Recently, many governments have developed open government data portals as a way to facilitate the finding and the access to datasets produced by their agencies. The development of these portals has facilitated the retrieval of this kind of data, but they still have significant limitations. One drawback of current portals concerns the resolution of queries with spatial constraints. Many portals solve spatial queries selecting the datasets that contain in their description the place name informed by the user, which can lead to queries with low recall and precision. Aiming to solve these limitations, we propose a new spatial search engine to improve information retrieval in open government data portals. The main contributions of this work are the development of a system that retrieves OGD at the level of resources and the proposition of a ranking metric that evaluates the relevance of each resource retrieved from a query. We validated the proposed search engine using real data provided by the Brazilian open government data portal. The results obtained from the initial experiments showed that our solution is viable as it can retrieve data with good accuracy for many spatial queries of different granularities.

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Notes

  1. 1.

    http://dados.gov.br/dataset/regioes-hidrograficas-estado-de-alagoas.

  2. 2.

    http://dados.gov.br/dataset/24895-quantidade-de-postos-de-atendimento-na-regiao-nordeste.

  3. 3.

    https://ckan.org/.

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Authors and Affiliations

  1. Instituto Federal da Paraíba, Cajazeiras, Brazil

    Pedro Arthur de Fernandes Vasconcelos, Wensttay de Sousa Alencar, Victor Hugo da Silva Ribeiro, Natarajan Ferreira Rodrigues & Fabio de Gomes Andrade

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  1. Pedro Arthur de Fernandes Vasconcelos
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  2. Wensttay de Sousa Alencar
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  3. Victor Hugo da Silva Ribeiro
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  4. Natarajan Ferreira Rodrigues
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  5. Fabio de Gomes Andrade
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Correspondence to Fabio de Gomes Andrade .

Editor information

Editors and Affiliations

  1. Department of Information Systems, Corvinus University of Budapest, Budapest, Hungary

    Andrea Kő

  2. Italian National Research Council, Institute of Legal Information Theory and Techniques, Florence, Italy

    Enrico Francesconi

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de Fernandes Vasconcelos, P.A., de Sousa Alencar, W., da Silva Ribeiro, V.H., Ferreira Rodrigues, N., de Gomes Andrade, F. (2017). Enabling Spatial Queries in Open Government Data Portals. In: Kő, A., Francesconi, E. (eds) Electronic Government and the Information Systems Perspective. EGOVIS 2017. Lecture Notes in Computer Science(), vol 10441. Springer, Cham. https://doi.org/10.1007/978-3-319-64248-2_6

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  • DOI: https://doi.org/10.1007/978-3-319-64248-2_6

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-64247-5

  • Online ISBN: 978-3-319-64248-2

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