1. Quote of the Week I use the word grain in the same sense as Kimball although I use it across Facts and Dimensions. I like the term ov...

My August Post @All Analytics To ensure data operations make sense and results correspond to the real world and are interpreted correctly...

Pls see PAPERS page for the current version of this paper, when it becomes available.

1. Quote of the Week Invoice number is the key (key is not unique in this table). Although structure or key constraints doesn't enfo...

Conveying data fundamentals to practitioners, losing neither rigor, nor the audience is a difficult task. There are many experienced profes...

My July Post @All Analytics When, for analytical purposes, you combine data extracted from database tables whose real-world meaning you d...

1. Quote of the Week Q: In a nutshell, what does RDF based Linked Data facilitate? A: The ability to find and describe stuff using att...