Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
This is the project I made which is an e-commerce auction site that will allow users to post auction listings, place bids on listings, comment on those listings, and add listings to a watchlist.
Reader's Cabin is a book review website in which users will be able to search for books, leave reviews for individual books, and see ratings of books from a broader audience.