Improving Information Retrieval with Human Indexing
"As company intranets grow in content, it becomes increasingly difficult to find the exact information that an intranet user may be looking for. Companies have traditionally used search engines to locate information on their intranets. However, many are finding that search engines (even the newer, so-called "intelligent" ones) are just not enough." (1999-12-20)
The link address is: http://www.intranetjournal.com/features/humanindex-1.shtml