How to update useful knowledge is of great importance for dynamic information systems.
For example, the dynamic information systems are making it possible to consider incremental changes in information systems.
For modeling of interactive computations, we propose much more general information systems than the studied dynamic information systems (see, e.g., Ciucci (2010) [8] and Pałasiński and Pancerz (2010) [32]).
Classical database design strategies, based on the a priori definition of application views to be finally integrated in the design of the global databases, are not appropriate for the design needs of modern, highly dynamic information systems.
The dynamic information architecture system (DIAS) is a flexible, extensible, object-based framework for developing and maintaining complex simulations.
To establish dynamic information monitoring system to provide a reliable basis for children migrating with parents and left-behind children to receive education .
In various real-world situations, there are actually a large number of dynamic covering information systems, and non-incremental learning technique is time consuming for updating approximations of sets in dynamic covering information systems.
Especially, we design effective algorithms for calculating the second and sixth lower and upper approximations of sets in dynamic covering information systems.
Finally, we explore several examples to illustrate that the proposed approaches are feasible to perform knowledge reduction of dynamic covering information systems.
In this paper, we investigate incremental mechanisms of updating the second and sixth lower and upper approximations of sets in dynamic covering information systems with variations of attributes.
Mechanism 8: Modification of route choice by route diversions, route guidance systems, dynamic route information systems, and hazard warning systems monitoring incidents.
