Papers - Chaudhuri - An Overview of Business Intelligence Technology
4 important questions on Papers - Chaudhuri - An Overview of Business Intelligence Technology
What tasks do 'Data Mining, Text Analytic Engines' perform?
Text analytics engines can analyse large amounts of text data (eg, survey responses), and extract valueable info from that (which products are mentioned in the survey responses)
What are 'Enterprise Search Engines'?
What does a data warehouse integrate?
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What are the five characteristics of a data warehouse?
- Data Integration - you dont want to dump the data from multiple applications in a database; you need ETL (Extract Transform Load) tools to transform the data into a purposeful format
- Subject Orientation - looks at making decisions about customers, products, region, transaction. It is about putting data together, not only about what the company is currently doing.
- Historical Data - dead archival data is brought back to life for analysis purposes
- Non-volatility - mass loaded and geared towards bulk analytic access. It also contains snapshots of values from different moments.
- Time Dependency - time is a key structural element
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