Authors: Eugene Kopytov, Vasilijs Demidovs, Natalia Petukhova
The article considers the issues of arranging the information systems (IS) interaction and their integration in large transportation company (exemplified by Latvian Railway Company). There presented the comparative analysis of integration technologies on three levels on the level of data, on the level of messages and on the level of services. The Analytic Hierarchy Process (AHP) is employed as a tool of analysis. The evaluation of the efficiency of application of three IS integration technologies is presented for implementation in Latvian Railway Company.