A Posteriori Indexing, Classification and Retrieval of Textual Data.

The paper reports on a series of programs that have been developed at the Moore School to process data-bases, consisting of textual items, and to index and arrange the data items in accordance with an automatically generated classification system. The programs produce the directories and the rearranged data-base on microfilm, where it may be searched using a microfilm reader, or magnetic tape for input to an on-line computer system for search and retrieval. (Author)