BI and the “Unstructured Data” Challenge
Search involves –
Words & phrases: search terms & natural language. Qualifiers: include/exclude, and/or, not, etc.
Answers involve –
Entities: names, e-mail addresses, phone numbers Concepts: abstractions of entities. Facts and relationships. Abstract attributes, e.g., “expensive,” “comfortable” Opinions, sentiments: attitudinal data. ... and sometimes BI objects.
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The Data Warehousing Institute