9 COMPUTER SOFTWARE USED TO INTEGRATE BUSINESS SOFTWARE APPLICATIONS INTO A SINGLE SOURCE SO THAT THE USER NEED NOT LAUNCH SEPARATE APPLICATIONS TO PERFORM MULTIPLE BUSINESS TASKS; USED TO AUTHENTICATE USERS WITH ONE USERNAME AND PASSWORD FOR ALL INFORMATION SOURCES AND APPLICATIONS; USED TO SEARCH MULTIPLE DATA SOURCES, RETURNING RESULTS CATEGORIZED BY RELEVANCE, SOURCE, AND CONCEPT; AND USED TO ENABLE ON-LINE DISCUSSION GROUPS, VOTING, AND DOCUMENT SHARING