ACQUIRING IMAGE DATA 1 ACQUISITION OF NUMBERS AND TEXTUAL DATA 1 Acquiring image data 1 Computer networks 1 DATA AND INFORMATION 1 Data and information 1 Data mining 1 Data mining. Information retrieval 1 Data security--Information Security 1 Data storage 1 Data warehousing. Information Storage and Retrieval 1 Decision trees 1 Information retrieval 1 Information storage and retrieval systems--Education 1 Internet -- Social aspects. Communication -- Data processing. Information society 1 Output devices 1 Rough sets 1 World Wide Web,Information Technology-Economie aspects,Information technology-Social aspects,Industrial management-Data processing,Information Society 1