"Since 13 October 2015, in order to obtain metadata to help identify a journalist's source, AFP investigators are required to obtain a warrant authorised by a judicial officer.
This is a departure from existing access arrangements that allow police and security agencies to obtain metadata from telecommunications companies without a warrant.
To supplement information about datasets indexed within Datasets2Tools, NCBI eSearch and eSummary API, and the LINCS Data Portal API, were used to query these resources to obtain metadata.
The law currently treats call content and metadata separately and makes it easier for government agencies to obtain metadata, in part because it assumes that it shouldn't be possible to infer specific sensitive details about people based on metadata alone.
In addition to this Google already has real-time monitoring of traffic through obtaining metadata from all Android devices moving along major roads, and is able to give accurate traffic reports through Google Now.
To obtain metadata on the articles, the articles they referenced, and those in whose reference lists they appeared, we submitted the PubMed identifiers to the Scopus citation database.
The high percentages of matches obtained using metadata-based methods suggest that if pharmacy vocabularies or CMT were not available in the different systems, then metadata references to a common, external system could be used as a substitute to perform initial matches between different systems, which can then be reviewed by experts.
Programs such as JSmol or Avogadro use hard-coded paths to the data rather than relying on dynamic information obtained from metadata-declarations.
Another issue, which sets a limit on our ability to interpret the results, is the lack of metadata, or specifically, the lack of a method for obtaining relevant metadata in an automated way.
While very different approaches were used to obtain the "metadata", the results of Category 3 clearly demonstrate the value of using metadata when identifying "known unknowns" as was the case in this contest where candidates were provided.
