Dudek, SebastianSebastianDudekUebernickel, FalkFalkUebernickelBrenner, WalterWalterBrenner2023-04-132023-04-132011-09-04https://www.alexandria.unisg.ch/handle/20.500.14171/93599Increasing demand for cost-efficiency and customer-orientation leads to the need for professionalization in all stages of the information systems' lifecycle. Standardization and automatization of provision and delivery processes are commonly adequate means to reach a higher level of maturity in the operations and maintenance stage. A prerequisite is that corresponding processes are also designed in the development stage of information systems and reused if possible. Commonly, IT services encapsulate these processes. Reusability of IT services is often achieved by decomposing them in modular IT service components. But customer-orientation and individualization decrease reusability of each IT service component. Hence, the complexity in the design stage rises due to the variety and the enormous amount of IT service components. Besides, permanent changes of the customer's needs also reinforce this situation. To assure the reusability of former created IT service components we suggest implementing a repository for these components. An efficient retrieval in the repository strongly relies on well-defined specifications of these components. In this paper we contribute to a reference data model to structure the repository of IT service components.enconference paper