The original data of papers in cloud computing refers to the first-hand data, which is directly obtained through collection and direct experience, including original documents, physical materials and oral materials. Such as original documents, files, letters, diaries, memoirs, photos, cultural relics and other physical objects used in scientific research, as well as questionnaires, experimental data, interview records, etc.

2.

Raw data (also called source data, source data or atomic data, atomic data)