As the challenge of data integration and information integration climb IT professionals’ agendas, it is important to know what kind of information is out there, anyway. One commonly bandied about statistic holds that 70 percent of all corporate information is contained in legacy systems. Our friends at Neocore, a vendor of an XML-base information management system based on a self-constructing XML database solution (www.neocore.com), passed on these figures to us from Zapthink Research (www.zapthink.com), which focuses on the XML marketplace. According to ZapThink, 80 percent of enterprise content is unstructured; 9 percent is contained in relational databases and 11 percent is in legacy systems. Who is right? Who knows? Enterprises themselves usually don’t. That is why most successful data integration projects start with companies taking an inventory of their data assets. For more insight, read the September issue of Database Trends and Applications magazine. Subscribe at www.dbta.com/subscribe.

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