A data model explicitly determines the structure of data. Data models are specified in a data modeling notation, which is often graphical in form. A data model can be sometimes referred to as a data structure, especially in the context of programming languages. Data models are often complemented by function models, especially in the context of enterprise models.
The Association Montessori Internationale (AMI), founded by Maria Montessori in 1929, maintains Montessori educational principles and disseminates Montessori education throughout the world.
Southwestern Montessori Training Center, Inc., is a not for profit corporation founded in 1974. Southwestern offers in depth Montessori teacher training courses with emphasis on the Special Child, Montessori Workshops, and Montessori Consultation services.