A real-time computer system is a system that must perform its functions within specified time bounds. These systems are generally characterized by complex interactions with the en...
As computers are increasingly used to mediate social interaction, tools are needed not only to support direct communication, but also to create a richer social environment for the...
This paper describes our experience in developing a software system for use in the environmental modeling community. The primary user of this software is intended to be a scientis...
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
The HiPAC project is investigating active, time-constrained databasemanagment. An active DBMS is one which automatically executes specified actions when speciifed conditions arise...