blog article crawler

I need a blog crawler application that would work as follows 1) Search Article Search Simple Search Advanced Will generate a list of blogs 2) Present owner name 3) Article heading 4) Article/Blog Views 5) Article hotness ( Vies/number of days the article is active) This crawler has to integrate with NPR, blogspot, google and other free engines Please send me your proposal with appropriate high level (rough) design to be considered