human
the relevant URLs from the vast number of sites that exist on the Web. Second, they must sort through the URLs they have collected to determine under which of the company's self-defined categories (if any), they should be classified. These tasks necessarily result in a tradeoff between overblocking (i.e., the blocking of content that does not meet the category definitions established by CIPA or by the filtering software companies), and underblocking (i.e., leaving off of a control list a URL that contains content that would meet the category definitions defined by CIPA or the filtering software companies). 1. The
gpt
Harvesting
human
for classification. These methods include: entering certain key words into search engines; following links from a variety of online directories (e.g., generalized directories like Yahoo or various specialized directories, such as those that provide links to sexually explicit content); reviewing lists of newly-registered domain names; buying or licensing lists of URLs from third parties;