Have you found that some vendors market their product as a multidimensional index tool when, in fact, it is an inverted index? What are the costs associated with an inverted index (space to store the indexes)? Can you summarize how inverted indexes really work? If my organization were to implement a tool based on inverted indexes (DISC Omnidex or Bloodhounds DBAssit), what are realistic time frames for ROI and user availability?

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