Research Open access Published: 07 August 2015 Database application model and its service for drug discovery in Model-driven architecture Noriko Etani ORCID: orcid.org/0000-0003-4065-823X1 Journal of Big Data volume 2, Article number: 16 (2015) Cite this article Big data application has many data resources and data. In the first stage of software engineering, a service overview or a system overvie