Table 1.

Data definition and classification, according to their availability.

Data Definition and Classification
Definition	Description	Example
Not organized, not “ontologized” data	Data to be constructed from other records and not captured by a pre-existing ontology system	For example, “Therapeutic indications from a Tumor Board”
Organized, not “ontologized” data	Records constructed but not captured by a pre-existing ontology system from begin	For example, “Data of radiotherapy beginning” or ICD9 code for diagnosis
Organized and “ontologized” data	Data captured by a pre-existing ontology system that can be directly recovered or is deposited in another software system	For example, data collected by data manager and data entry on dedicated web or hub systems