Rhein, Catherine <br/><br/>
Social and Spatial Integration 

 -  2002.<br/>							 
<br/><br/> 57 
<br/><br/> The concept of «integration» is charged with so many different meanings today that it is difficult to apply it in a strict sense. Émile Durkheim defined integration a century ago in his inaugural work, The Division of Labour in Society. The concept was included in a theory of «wanting to live together», a founding theory for both university sociology and the welfare state. The concept of integration has since been updated, particularly in recent decades by the sociology of immigration and political sociology.