There are presently certain concepts, techniques, methodologies, and goals for processing services on which there is substantial professional agreement. A basic technique for evaluation would be to determine these areas of agreement and examine the extent to which a given library is applying them. (JB)

The growth in the size of the Internet has resulted in much effort being spent on indexing its contents. The most popular solutions are created by automatic methods, and although offering impressive coverage, they are disappointing where precision of meaning is required. Alternative services created by human beings arrange and index resources…