Emerging Web standards promise a network of heterogeneous yet interoperable Web Services. Web Services would greatly simplify the development of many kinds of information agents a...
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...
Abstract. Time modeling is a crucial feature in many application domains. However, temporal information often is not crisp, but is uncertain, subjective and vague. This is particul...
Abstract. We describe LOCALE, a system that allows cooperating information systems to share labels for photographs. Participating photographs are enhanced with a geographic locatio...
The organization of documents is a task that we face as computer users daily. This is particularly true for management of email. Typically email documents are organized in director...
Dynamic loading of code is needed when rarely used code should be loaded on demand or when the code to be loaded is not known in advance. In distributed systems it can also be used...
Abstract. We describe a mechanism based on distributed Event-ConditionAction (ECA) rules that supports data coordination in a multidatabase setting. The proposed mechanism includes...