Title

Observations Data Model 2: A community information model for spatially discrete Earth observations

Document Type

Article

Journal/Book Title/Conference

Science Direct

Volume

79

Publisher

Elsevier

Publication Date

5-1-2016

First Page

55

Last Page

74

DOI

10.1016/j.envsoft.2016.01.010

Abstract

Integrated access to and analysis of data for cross-domain synthesis studies are hindered because common characteristics of observational data, including time, location, provenance, methods, and units are described differently within different information models, including physical implementations and exchange schema. We describe a new information model for spatially discrete Earth observations called the Observations Data Model Version 2 (ODM2) aimed at facilitating greater interoperability across scientific disciplines and domain cyberinfrastructures. ODM2 integrates concepts from ODM1 and other existing cyberinfrastructures to expand capacity to consistently describe, store, manage, and encode observational datasets for archival and transfer over the Internet. Compared to other systems, it accommodates a wider range of observational data derived from both sensors and specimens. We describe the identification of community information requirements for ODM2 and then present the core information model and demonstrate how it can be formally extended to accommodate a range of information requirements and use cases. © 2016 The Authors.

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