Information management with microcomputers : characteristics, structure, and technology of information retrieval software

Information retrieval software are programs which permit the creation and manipulation of text databases. They are designed for the management of scientific and technical documentation (unstructured textual information) as opposed to Database Management Systems (DBMS) suitable for the management of business data (very structured factual information). A model of an information retrieval package is presented as well as its basic characteristics, technology, and structure. The new trends in information systems technology are reviewed. A list of the principle information retrieval software available on the Spanish market follows.