COLLECTED BY
Organization: Internet Archive
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.
Collection: top_domains-02250
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20220430224421/http://www.cs.umd.edu/~samir/498/Amazon-Recommendations.pdf