The thesis deals with an analysis of approach methods, that can be used in integration of SaaS model applications into business information systems. To this end it presents business information systems. Description of these was performed from a general viewpoint. A description of what business information systems are was provided as well as a description of their architecture and service-oriented architecture. Business information sysstems were then described from a development/operation point of view, particular phases of the corelation between business and ICT were summed up, as well as ICT service supply models and development and operation alternatives. At the end of the chapter, a description of business information system components was performed. Services were described in the next chapter - first generally, with special interest in service characteristics and categorization. Furthermore I explored the concept of 'Anything as a Service' (XaaS), providing a summary of what can be provided as a service. Then a distribution model for Software as a Service (SaaS) was described along with its characteristics, parameters, benefits and limitations. At the end of the chapter cloud computing, its characteristics and models of implementation were described and the most notable providers were presented. The next chapter contains a description of integration and is targetted mostly on the description of system integration, on the system integrator as a person, on a description of technological means, usable in the integration itself. The next chapter is dedicated to a description of integration scenarios of business IS using SaaS applications. In the next chapter, an approach to the analysis of integration scenarios is defined, based on various viewpoints. The last chapter contains an assesment of particular integration scenarios and a consequential evaluation performed along evaluation criteria.

The work examines legislative requirements for records management systems and databoxes system. It suggests processes and records office system as a universal solution suitable for deployment in a wide range of organizations.

Les imperfections des marchés financiers et l'incomplétude des contrats financiers compliquent la conclusion d'ententes entre les firmes et les parties prenantes. Plusieurs solutions sont proposées pour réduire ces problèmes et faciliter la conclusion des contrats financiers. Les contrats étant enveloppés par un cadre institutionnel, ils en sont imprégnés et affectés. Les institutions sont donc une des solutions aux imperfections des marchés et à l'incomplétude des contrats. Les résultats de notre étude le prouvent clairement. Cette étude montre que le niveau de développement et la structure du système financier (en particulier la part relative des financements bancaires et de marché), les conditions de régulation du système bancaire (les formes et l’étendue de la supervision) et certaines caractéristiques des systèmes juridiques (la protection des créditeurs), ont un effet significatif sur les contraintes d'investissement. Il apparaît que la bonne qualité des institutions facilite l'accès aux financements et qu'elle renforce les garanties exigées pour l'octroi de la dette. De fait, la piètre qualité des institutions d’un pays constitue une entrave à l'accès au financement par le secteur privé. / The imperfections of financial markets and the incompleteness of financial contracts cause commitments between firms and stakeholders to become more complex. Several solutions are suggested in order to reduce such problems and to facilitate the conclusion of financial contracts. Contracts evolve within an institutional structure, an environment by which they are conditioned. Institutions are one of many solutions to market imperfections and to contract incompleteness. Results bring out relevant effects of the financial system’s development and structure (particularly the amount of banking over market financing), banking regulation (the supervisory methods and their extent) and some characteristics of the legal systems (such as creditor protection) on investment constraints. It appears that sound and healthy institutions facilitate access to funding and strengthen the collateral required to secure bank financing. Consequently, poor quality of a country’s institutions hinders access to financing by the private sector.