42 COMPUTER AND DATA MANAGEMENT SERVICES, INCLUDING STORAGE AND RETRIEVAL OF INFORMATION THROUGH SOFTWARE PROGRAMS THAT MANAGE DOCUMENTS THROUGH AN XML-BASED INTRANET SYSTEM; THAT THROUGH MACHINE-AIDED INDEXING COMPILE INDEX INFORMATION BY EXTRACTING CONCEPTS, BUILDING RULES, AND COMPILING STATISTICS TO ANALYZE PERFORMANCE OF THE PROGRAM; AND THAT INCORPORATE A THESAURUS MANAGER