Rubric-Q: adding quality-related elements to the GEOSS clearinghouse datasets

Alaitz Zabala, Anna Riverola, Ivette Serral, Paula Diaz, Victoria Lush, Joan Maso, Xavier Pons, Ted Habermann

Research output: Contribution to journalArticle

Abstract

Geospatial data have become a crucial input for the scientific community for understanding the environment and developing environmental management policies. The Global Earth Observation System of Systems (GEOSS) Clearinghouse is a catalogue and search engine that provides access to the Earth Observation metadata. However, metadata are often not easily understood by users, especially when presented in ISO XML encoding. Data quality included in the metadata is basic for users to select datasets suitable for them. This work aims to help users to understand the quality information held in metadata records and to provide the results to geospatial users in an understandable and comparable way. Thus, we have developed an enhanced tool (Rubric-Q) for visually assessing the metadata quality information and quantifying the degree of metadata population. Rubric-Q is an extension of a previous NOAA Rubric tool used as a metadata training and improvement instrument. The paper also presents a thorough assessment of the quality information by applying the Rubric-Q to all dataset metadata records available in the GEOSS Clearinghouse. The results reveal that just 8.7% of the datasets have some quality element described in the metadata, 63.4% have some lineage element documented, and merely 1.2% has some usage element described.

Original languageEnglish
Pages (from-to)1676-1687
Number of pages12
JournalIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Volume6
Issue number3
Early online date7 May 2013
DOIs
Publication statusPublished - Jun 2013

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metadata
Metadata
Earth (planet)
System of systems
Environmental management
Search engines
data quality
XML
environmental management
engine

Keywords

  • GEOSS Clearinghouse
  • lineage
  • metadata visualization
  • quality
  • usage

Cite this

Zabala, Alaitz ; Riverola, Anna ; Serral, Ivette ; Diaz, Paula ; Lush, Victoria ; Maso, Joan ; Pons, Xavier ; Habermann, Ted. / Rubric-Q : adding quality-related elements to the GEOSS clearinghouse datasets. In: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 2013 ; Vol. 6, No. 3. pp. 1676-1687.
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Rubric-Q : adding quality-related elements to the GEOSS clearinghouse datasets. / Zabala, Alaitz; Riverola, Anna; Serral, Ivette; Diaz, Paula; Lush, Victoria; Maso, Joan; Pons, Xavier; Habermann, Ted.

In: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol. 6, No. 3, 06.2013, p. 1676-1687.

Research output: Contribution to journalArticle

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