On Mon, Jan 17, 2011 at 12:41 PM, Anthony wikimail@inbox.org wrote:
And to recognize what's going on when a sentence changes *and* is moved from one paragraph to another, requires an even greater level of natural language understanding. Again though, you can probably get it right most of the time without too much effort.
Or at the paragraph level, when two paragraphs are combined into one (vs. one paragraph being deleted), or one paragraph is split into two (vs. one paragraph being added), or any of the various other, more complicated changes that take place.
If you want a high level of accuracy when trying to determine who added a particular fact (such as "Overall, the city is relatively flat", which may have started out as "Paris, in general, contains very few changes in elevation"), you really need to combine automated tools with human understanding.