IA are a capture process. Wikipedia supports active updates to content, under contentious circumstances, as well as structuring content for useful access (something IA also does, but under looser conditions).
Both are highly worthwhile projects -- some of the best of the Web. But a straight apples-pomellos comparision is difficult.
Wikipedia also gets a lot of that done with free labor. And, over the years, their spend has increased quite a lot more than their content, update frequency, and so on.
Both are highly worthwhile projects -- some of the best of the Web. But a straight apples-pomellos comparision is difficult.