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@INPROCEEDINGS{Selke:905206,
      author       = {Selke, Niklas and Schröder, Sabine and Romberg, Mathilde
                      and Ahring, Jessica and Leufen, Lukas Hubert and Apweiler,
                      Sander and Schultz, Martin},
      title        = {{T}he {TOAR} database: metadata harmonization and data
                      quality assurance on global air quality data},
      reportid     = {FZJ-2022-00489},
      year         = {2021},
      abstract     = {In the TOAR phase II we are extending the global database
                      of air quality and weather data time series established at
                      the Jülich Supercomputing Center. The database combines
                      different ground-level atmospheric observations and model
                      products with high-resolution geographic data in order to
                      characterize individual measurement locations and regional
                      air pollution patterns. The metadata is enriched by blending
                      controlled vocabulary and ontologies with less constrained
                      full text fields and includes provider information, location
                      description, measurement description, data quality, and
                      versioning information. Furthermore, an automatic flagging
                      system for quality assurance is installed. The results of
                      these automated tests are combined with original quality
                      flags provided by the data providers and saved with each
                      data point in the database. This approach contributes to the
                      reliability and documentation of the TOAR data in line with
                      FAIR data concepts. TOAR data users are provided with a
                      flexible and powerful infrastructure for data access and
                      online analysis.},
      month         = {Jun},
      date          = {2021-06-15},
      organization  = {EOSC Symposium 2021, virtual
                       (virtual), 15 Jun 2021 - 18 Jun 2021},
      subtyp        = {After Call},
      cin          = {JSC},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
                      (SDLs) and Research Groups (POF4-511) / IntelliAQ -
                      Artificial Intelligence for Air Quality (787576) / Earth
                      System Data Exploration (ESDE)},
      pid          = {G:(DE-HGF)POF4-5111 / G:(EU-Grant)787576 /
                      G:(DE-Juel-1)ESDE},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/905206},
}