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Tika in Action by Jukka Zitting, Chris Mattmann

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Appendix B. Supported metadata keys

Here’s a quick reference for the metadata models and keys that are supported in the latest version of Tika, as of 1.0. The models are briefly described, as are the metadata keys associated with them. The keys are found in the Tika code package org.apache.tika.metadata and its associated classes.

B.1. Climate Forecast

The Climate Forecast (CF) metadata model is used to describe climate-relevant data stored in NetCDF files. Tika currently supports a subset of the metadata keys:

  • ACKNOWLEDGEMENTAn acknowledgment that is traditionally added describing the sponsor and contributors to the generation of the associated data file.
  • COMMAND_LINEThe command line used to generate this data.
  • COMMENTFree-text ...

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