Abstract. The problem of interpreting Natural Language (NL) discourse is generally of exponential complexity. However, since interactions with users must be conducted in real time,...
This paper presents a prototype dialogue system, K2, in which a user can instruct agents through speech input to manipulate various objects in a 3-D virtual world. The agents’ ac...
Abstract. Research on processing XML documents gained much activity in recent times. XML query languages are mostly based on XPath expressions, which are used to select parts of XM...
Abstract. In this paper we apply a formal ontological framework in order to deconstruct two prominent approaches to navigation from cognitive robotics, the Spatial Semantic Hierarc...
Any implementation of an information system must ensure that an operation is only applied if its execution does not lead to a violation of any of the integrity constraints defined ...