Computer software and computer programs; computer systems, terminals and peripherals; data processing apparatus; CD ROMs; computer programs for searching, discovering and/or extracting text, data, images and sounds; software for accessing data bases, searching, discovering and/or extracting text, data, images and sounds from a data base; computer software for searching and retrieving information via computer systems, computer networks; computer software and computer programs for providing on-line and off-line access to the Internet; computer software for concept matching, agent creations, agent retraining and for conducting text searches; computer programs for searching, retrieving, managing, sorting, selecting and/or storing information via the Internet or other computer networks and systems; computer programs capable of adapting their behaviour according to a user's instructions or responses; computer programs for creating concept maps of text and data; computer programs capable of adapting their behaviour to changing data; computer programs capable of discovering knowledge from text and data