The first level is model related information: Creation date, Modification date, Notes of author and PMID.
Data creation is the first and most difficult step.
For example, data files have name, creation date and ownership information as metadata.
We believe that the design principles implemented in VisArchive can be applied to different domains as long as the information items in the archive have temporal information, such as creation date, and the relevant meta-data.
The evaluation was based on visual examination of data files using the creation date, format and content of the electronic files as a guide, followed by verbal verification via direct communication with the person responsible for sending the data from each study site.
For some applications, such as Swarm Level 2 data products, a clear audit trail may be required and having information on the version or creation date of QD data may be a requirement.
The CCR Header defines basic information (unique identifier, creation date, etc).
VisArchive simply requires the access information (e.g. creation date, access date, and modification date) and searchable meta-data (e.g. summary, description, keywords, tags) to function.
Indeed, according to one investigator, the creation date of the data modules might instead suggest that the original attack code in Stuxnet was written long before the program was actually distributed.
For SAS data sets, the directory listing also indicates the creation date, modification date and the number of records in the data set.
Additionally, the creation date and owners of the included data sources are provided in ChemSpider.
