Iwrote about notification-based Web service systems one year ago (“Web Services Notification,” Mar./Apr. 2004, pp. 86–90). To properly address the topic, I devoted a significant portion to Web service references, which are, conceptually, like network handles that refer to Web services. Service references are particularly important for notification systems, which usually require subscribers to r...

The propositional content of a reference is the proposition attributing to the referent the properties that correspond to the nouns and modiiers in the reference (for example, the propositional content of`Mary' is that the referent is named`Mary'). During language comprehension, the hearer or reader must determine the set of beliefs with respect to which the propositional content of a reference...