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Where and how can I generate RSS feeds based on KW searches, with a huge database of news? I can collect the news myself, and store it in a DB, but it would be nowhere close to the capacity of Yahoo or Google. Any suggestions? I have some categories that are really obscure topics...
I've actually gone the route you mentioned and have been creating a database of newsfeeds, it's been surprising how quickly it's growing. So, I wouldn't worry too much about getting enough content.
If you're interested, check out my site in my profile and steal some ideas ;)
If so, it's kind of useless at this point because it only shows sorting by date. The author is working on a version that shows sorting by relevance, in which case it will become extremely useful.
Personally, I think Google should create an RSS news feed and distribute it to people in their adsense program. This way they still get advertising revenue. Win/Win.