: A definition of types in an information system is given from real-world abstractions through data constructs, schema and definitions to physical data values. Category theory su...
B. Nick Rossiter, David A. Nelson, Michael A. Heat...
The problem of business-IT alignment is of widespread economic concern. As one way of addressing the problem, this paper describes an online system that functions as a kind of Wik...
: Service-oriented architectures (SOA) based on Web service technology play an increasingly important role in many different application areas. The current service invocation metho...
Steffen Preissler, Hannes Voigt, Dirk Habich, Wolf...
In this paper, we present our online summarization system of web topics. The user defines the topic by a set of keywords. Then the system searches the Web for the relevant documen...
Continuous Queries (CQ) help users to retrieve results as soon as they become available. The CQ keeps track of two important events. If there is any change in the source informatio...