A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different site...
A theory is elaboration tolerant to the extent that new information can be incorporated with only simple changes. The simplest change is conjoining new information, and only conju...
Near-Video-on-Demand (NVOD) provides customers with a service model completely different from true Video-on-Demand (VOD). In the NVOD service model, customers’ requests are not ...
: The widely accepted possible benefits of formal methods on the one hand and their minor use compared to informal or graphical description techniques on the other hand have repeat...
Although visual programming techniques have been used to lower the threshold of programming for end users, they are not sufficient for creating end user programming environments t...