SOFL (Structured-Object-Based-Formal Language) is a formal language and method for practical systems development. As a language, it integrates data ow diagrams, VDM-SL, and Petri ...
Instant Messaging is in addition to Web and Email the most popular service on the Internet. With xOperator we demonstrate the implementation of a strategy which deeply integrates I...
Instant Messaging (IM) is in addition to Web and Email the most popular service on the Internet. With xOperator we present a strategy and implementation which deeply integrates Ins...
In seeking a unified study of computational effects, in particular in order to give a general operational semantics agreeing with the standard one for state, one must take account...
In the last years, lots of work have been devoted to multidimensional modeling, star shape schemas and OLAP operations. However, “drill-across” has not captured as much attent...