I recommend an IR and/or NLP book. Check into Jaccard distance. http://en.wikipe...

		joshu on Sept 12, 2008 \| parent \| context \| favorite \| on: Ask HN: Algorithm to identify the same events base... I recommend an IR and/or NLP book. Check into Jaccard distance. http://en.wikipedia.org/wiki/Jaccard_index You might consider looking at WordNet for generalizing words...