data materialization
Computing term for converting data from a stored or abstract representation into a concrete, usable form, such as instantiating objects from a database.
データ実体化の処理には時間がかかることがある。
The data materialization process can sometimes take time.
Compound of データ (data) and 実体化 (materialization, embodiment). 実体化 is from 実体 (substance, entity) + 化 (-ization).