Realization of an Expandable Search Function for an E-Learning Web Portal

When providing a huge amount of content to users, the search engine is an important part of the platform. On most web sites it is the most important entry point to the data archive. That is why it is an interesting research topic. In this paper we present a solution how it is possible to make the search function expendable by using plug-ins. We show, why this is required in our web application, which is constantly growing through the creation of more searchable meta data. Therefore we show, how our requirements can be fulfilled and discuss the accompanying advantages and disadvantages.