Discusses intelligent user interfaces, through which a user may query for information; explains the different types of intelligent online search assistants, or agents, which are used to support these interfaces. Describes several different agent systems. Concludes by discussing the current state of agents in information retrieval, especially as…

Discusses the implementation of a cartographic user interface to bibliographic and other information sub-spaces in astronomy. Presents a range of comparative assessments, in operational frameworks, of this approach to accessing and retrieving astronomical information. Discusses the particular role that such cartographic user interfaces can play in…