Abstract: A multi-tier computer architecture is intended to allow access to a personal resources environment, via a network such as Internet from varied access points corresponding to different types of client workstations. The said computer architecture comprises: a standard relational database server tier comprising a database manager able to execute on request all operations on the data of the database, the which database contains, in a manner proper to each user, both data and documents constituting the unique and organised storage space of the user, and the database manager comprising remote operating system functionalities in relation with said storage space.