A data model is independent of hardware or software constraints. Rather than try to. represent the data as a database would see it, the data model focuses on representing the. data as the user sees it in the real world.
International AIED Society. AIED is an interdisciplinary community at the frontiers of the fields of computer science, education and psychology. It promotes rigorous research and development of interactive and adaptive learning environments for learners of all ages, across all domains.
QED stands for the Latin--quod erat demonstrandum--that is demonstrated.. QED is a traditional annotation to mark the end of an argument or mathematical proof.Both the meaning and the abbreviation have undergone some evolutions. 1  What Does Et Al Mean in Real Estate?2  What Is the Meaning of Bhp?ED stands for the Latin--quod erat demonstrandum--that is demonstrated.. QED is a traditional annotation to mark the end of an argument or mathematical proof.