Abstract. Temporal reference in natural language is inherently context dependent: what counts as a moment in one context may be structurally analysed in another context, and vice v...
Abstract. Some events recur, and some happen only once. Galton refers to the latter as "once-only" events [1]. In a first-order logic of events that makes a type-token di...
Kowalski and Sergot's Event Calculus (EC) is a simple temporal formalism that, given a set of event occurrences, derives the maximal validity intervals (MVIs) over which prop...
Among the various types of semantic concepts modeled, events pose the greatest challenge in terms of computational power needed to represent the event and accuracy that can be ach...
Information workers are often involved in multiple tasks and activities that they must perform in parallel or in rapid succession. In consequence, task management itself becomes y...