Abhatoo - Centre Nationale de Documentation

Digital library are complex information systems, comprised by core and value added services. The current study attempts to collect through a qualitative approach users’ opinions about the usage, usefulness and usability of DL value added services. Selected value added services from four DLs are related to the main stages of information life-cycle in order to identify crucial areas of DL interaction. The results show a major concentration of services in stages that address information searching needs and that the most significant factors affecting acceptance reside on three levels of factors, namely system, services and individual’s factors.