A world view, also spelled as worldview is a term calqued from the German word Weltanschauung ("look onto the world"). The German word is also in wide use in English, as well as the "translated" form world outlook.
Weltanschauung and cognitive philosophy
One of the most important concepts in cognitive philosophy and generative sciences is that of the German concept of ‘Weltanschauung’. This expression refers to the 'wide worldview' or 'wide world perception' of a people. The Weltanschauung of a people originates from the unique world experience of a people, which they experience over several millennia. The language of a people reflects the Weltanschauung of that people in the form of its syntactic structures and untranslatable connotations and its denotations.
A map of the world on the basis of Weltanschauung crosses across the political borders. This is due to the reason that, the weltanschauung is the product of not only political borders but also of the common experiences of a people from a geographical region, environmental-climatic conditions, the economic resources available, socio-cultural systems and the linguistic family of the people. The work of the population geneticist Luigi Luca Cavalli-Sforza aims to show the gene-linguistic co-evolution of people.
The worldview map of the world would appear similar to the linguistic map of the world. However, it would almost coincide with a map of the world drawn on the basis of music across people.
Weltanschauung as generative system
The linguistic relativity hypothesis of Benjamin Lee Whorf describes how the syntactic-semantic structures of a language becomes an underlying structure for the weltanschauung of a people through the organization of the causal perception of the world and the linguistic categorization of entities. As linguistic categorization emerges as a representation of worldview and causality, it further modifies social perception and thereby leads to a continual interaction between language and perception.
The theory or rather hypothesis was well received in the late 1940's, but declined in prominence after a decade. In the 1990's new research has given further support for the linguistic relativity theory, in the works of Stephen Levinson and his team at the Max Planck institute for Psycholinguistics at Nijmegen, The Netherlands  (http://www.mpi.nl/world/). The theory has also gained attention through the works of Lera Boroditsky at the MIT.
The 'construction of integrating worldviews' begins from fragments of worldviews offered to us by the different scientific disciplines and the various systems of knowledge. It is contributed by different perspectives that exists in the different cultures of the planet Earth. This is the main topic of research in the Center Leo Apostel for Interdisciplinary Studies
Worldview and folk-epics
As natural language becomes manifestations of world perception, the literature of a people with common weltanschauung emerges as wholistic representations of the wide world perception of the people. Thus the extent and commonality between world folk-epics becomes a manifestation of the commonality and extend of a worldview.
Epic poetry are shared often by people across political borders and across generations. Examples of such epics includes, the Nibelungenlied of the germanic-Scandinavian people, The Silappadhikaram of the South Indian people, The Gilgamesh of the Mesopotamian-Sumerian civilization and the people of the fertile crescent at large, The Arabian nights of the Arabic world and the Soundiata epic of the African people
Influences of worldview
At all times, religious and political teachings were bases for forming worldviews; in fact, they were often worldviews themselves. For example, Christianity, Islam, socialism, marxism, scientology may be called worldviews; at least they generate clearly identifiable worldviews.
Historically, world views changed little and slowly, achieving wide (and often unquestioning) support. Postmodernism has encouraged a proliferation of ever-changing Weltanschauungen.
Essay on current research in linguistic relativity, by Lera Boroditsky, in New Scientist (http://cognation.stanford.edu/press/newscientist.pdf) (PDF - requires Adobe Acrobat Reader)
de:Weltanschauung eo:Mondbildo ja:世界観 zh:世界观