human
). In this procedure, which resembles an automated form of trial and error, a system is given a
gpt
consisting of documents preclassified into two or more groups, along with a set of features that might be potentially useful in classifying the sets. The system then
human
rules that assign weights to those features according to how well they work in classification, and assigns each new document to a category with a certain probability. Notwithstanding their
gpt
description, automated text classification systems are unable to grasp many distinctions between types of content that would be obvious to a human. And of critical importance, no presently conceivable technology can make the judgments necessary to determine whether a visual depiction fits the legal definitions of obscenity, child pornography, or harmful to minors. Finally, all the filtering software companies deposed in this case use some form of human review in their process of winnowing and categorizing Web pages, although one company admitted to categorizing some Web pages without any human review. SmartFilter states that
human
Another filtering company asserts that of the 10,000 to 30,000 Web pages that enter the