In practice the ability to find the right Web service decides between a functionality being implemented anew and at least the possibility of executing it via a service. This report evaluates existing public portals for Web service discovery with respect to their characteristics and their...

The European Research Center for Information Systems (ERCIS) was founded on October, 12th 2004. This Working Paper was written with respect to the establishment of ERCIS. Jörg Becker, Managing Director of the ERCIS, writes about fundamental issues of ERCIS. Furthermore all Founding Members...

Application development of is commonly a balancing of interests, as the question of what should actually be implemented is answered differently by different stakeholders. This paper considers mashups, which are a way of allowing an application to grow beyond the capabilities of the original...

Cloud-Service-Provider werben gerne damit, dass Software-as-a-Service besonders auch für kleines oder mittleres Unternehmen (KMU) attraktiv sei. Diese könnten durch die Benutzung von Cloud-Services Kosten einsparen und ihre IT-Landschaft flexibler gestalten. Allerdings ist noch nicht...

Botanische Gärten bieten den Botanischen Instituten die Grundlage für deren Forschungen und Besuchern einen Einblick in die Pflanzenwelt. Die mit dem Wissenschaftszweig der Botanik entstanden Universitätsgärten haben ihren Mittelpunkt in der Botanischen Forschung und Lehre, vor allem in den...

Data is becoming more and more of a commodity, so that it is not surprising that data has reached the status of tradable goods. An increasing number of data providers is recognizing this and is consequently setting up platforms that deserve the term 'marketplace' for data. We identify several...

Inhalt: I User-Generated Content 1 Tagging vs. Ontologies 3 David Stadler; Semantic Web vs. Web 2.0 13 Armin Stein; User-Generated Advertising 23 Burkhard Weiß; Qualitätsaspekte im User-Generated Content 39 Jens Feldkamp; Data Mining im User-Generated Content 51 Nico Albrecht; II...

Trading data as a commodity is increasingly popular. To get a better understanding of emerging data marketplaces, we have conducted two surveys to systematically gather and evaluate their characteristics. This paper is a continuation of a survey we conducted in 2012; it describes our findings from a...

Information available online has exploded over the last 20 years. However this lead to the phenomenon known as information overload, making it harder and harder for organisations and individuals to find information that is really relevant to them. We previously have proposed a solution to this...