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"The paper focuses on the possibilities and problems created for the humanities by the usage of Digital Libraries. The exchange of information, forms of discussion and the process of publication in the scientific communities have changed over the recent years. On the other hand the user group of digital libraries is heterogeneous and difficult to define. We discuss the organization structure and the working process of two communities, which have quickly adapted their communication process to the use of web-technologies: the Open Source community and the scientific research community. We have to distinguish the communication technique, the applications of the World Wide Web (WWW), including search engines, and the barely started developments to realize new Web Services for DL-oriented applications, to support the library services and finally to obtain a new concept, which we call long-term access to digital structured resources by contract. A DL user views a Web Service as a 'black box' and the service has an interface. The user has only to know the preconditions so that the postconditions will support his/her requirements. We conclude by stating that we should accept that publishing and distributing structural digital resources/information is a new way of (scientific) publication based on collaborative structures. Libraries should respond to this development by providing dynamic metadata in a decentralized network of libraries." (author's abstract)

"Our project 'Generic Portals' focuses on the possibilities and problems created by the usage of
web-technologies to support web-based Digital Library applications. We observe a divergence
of services in the sphere of structured resources and scientific libraries' services. Publications in the form of digital resources have introduced new dynamics into the information exchange in the scientific communities. The changes in the publication process are formed by so-called structured resources, whereas the resource can be seen as an encapsulated object. For the exchange of information we have only to know the interface of the structured resource in
detail. W3C has published a working draft which includes a language named Web Service Description
Language (WSDL) for describing interfaces of services. A Web service interface is a
shared connection between functional components of applications. We consider the requirements
for the integration of DL-applications via Web services. We present an adapted process
model for supply of DL-oriented Web services. Further we present a component-based approach
to relate researchers' activities to so-called DL-oriented Web services. We obtain
criteria for the description of DL-oriented Web services based on the researchers' working
process. Finally, we present a brief overview what kind of Web technologies might be reused for
a prototypical implementation of DL-oriented Web services." (author's abstract)