FIT3002 Lecture Notes - Lecture 1: Grid Computing, Business Intelligence, Uptodate

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Without a time component most information is meaningless . Timeliness is one of the most important aspects of information quality. A need for business managers to make sound decisions promptly. Where time_dim. month_name = january and time_dim. year = 2009 and . Dw calendar: the central point of reference in a dw. To store history in order to perform trend analysis. Make up-to-date information available to decision makers with as little delay as possible: problem. Historical data rarely kept on oltps (why?) Latency: the end to end time required to take action by responding to a business transaction intelligently. Aim: to shorten decision making cycles and make sound decisions promptly. Enables a complete business intelligence process to observe, understand, predict, react to , reorganize, monitor, automate and control feedback loops in minimal latency (nguyen) This leads to the need for a wh which support analysis at the speed of the business.