I use boilerpipe a lot and highly recommend it. We've discussed it before on MetaOptimize: http://metaoptimize.com/qa/questions/3440/text-extraction-fr...
I ran a few qualitative tests on Diffbot's "Article API" and the results also look good. I haven't gotten a chance to run a detailed or quantitative comparison.
I use boilerpipe a lot and highly recommend it. We've discussed it before on MetaOptimize: http://metaoptimize.com/qa/questions/3440/text-extraction-fr...
I ran a few qualitative tests on Diffbot's "Article API" and the results also look good. I haven't gotten a chance to run a detailed or quantitative comparison.