INTERNET
2007
13 years 11 months ago
2007
INTERNET
2007
13 years 11 months ago
2007
INTERNET
2007
13 years 11 months ago
2007
that the educator is an abstract role; often many kinds of people are involved, including subject-matter experts, content authors, instructional designers, and teachers. No individ...
INTERNET
2007
13 years 11 months ago
2007
evel of abstraction, we can represent a workflow as a directed graph with operators (or tasks) at the vertices (see Figure 1). Each operator takes inputs from data sources or from ...
INTERNET
2007
13 years 11 months ago
2007
INTERNET
2007
13 years 11 months ago
2007
INTERNET
2007
13 years 11 months ago
2007
Distributed computing has been slow to benefit from the productivity revolution that has transformed the desktop. We still treat the Web as a separate technology space: programmer...
INTERNET
2007
13 years 11 months ago
2007
INTERNET
2007
13 years 11 months ago
2007
Replication and caching mechanisms are often employed to enhance the performance of Web applications. In this article, we present a qualitative and quantitative analysis of state-...
INTERNET
2007
13 years 11 months ago
2007
it’s hardly Earth-shattering: abstracting your business services and separating them from your applications can yield an overall system that’s easier to build, maintain, and ex...