Actual information systems (IS) of big companies are very complex and sometimes difficult to control even if new techniques and new integrated software appears to give solutions. To get a complete, fresh and relevant information, close to the IS users needs, is a very difficult task, sometime impossible. We try to suggest a non-intrusive solution, facilitating this task and transparent to the users, relaying on some concepts like ldquoreferential repositoryrdquo, ldquoa priorirdquo connector and semantic descriptions. Our approach aim to improve the IS organization by combining these concepts and technical information integration solutions