These systems are on the receiving end of the taxonomy and may consume anything from flat lists to complex hierarchies all the way to complex ontologies.
这些系统位于分类法系统的接收端，它们可能使用任何内容，从简单的列表，到复杂的层次结构。
2
That's kind of counterintuitive and unwelcome: starting out to make a model with the intention to get a grip on complexity, we end up with a universe even more complex.
On the other side, many of the system programmers with the expertise to help end-users integrate complex work-flows don't regard Microsoft Word formats as feasible targets for server-side programming.