Humans (known taxonomically as Homo sapiens sapiens, are the only living subspecies in the Homo genus of bipedal primates in Hominidae, the great ape family. Anatomically modern humans originated in Africa about 200,000 years ago, reaching full behavioral modernity around 50,000 years ago.


A person independent of the roles he or she fulfills in the socio-economic fabric.

Gender, age, health, kinship, competences are important properties.

Person Life Cycle

A person's life extends from birth to death, and is commonly divided into childhood, being adult, and being aged.

An increasing amount of time is spent producing and consuming content as part of knowledge conversion processes.

A knowledge conversion process is an interaction involving content, which may take place at home, at school, in a library,in a company, or as a literate person reads or authors (scholarly) content.