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How are database joins optimized? How can you do better to handle big data?

Joins are typically Cartesian products and in many database systems, can be very slow. What are the best solutions to optimize joins From…

Started by Vincent Granville

4 Jul 31, 2012
Reply by Tom Ellis

The Evolution of "What is Data Science?"

I’m in the process of researching the origin and evolution of data science as a discipline and a profession. Here are the milestones that I…

Started by Gil Press

3 Jul 30, 2012
Reply by Gil Press

What Makes a Successful Data Scientist?

This question was posted on our LinkedIn group. Here's my answer How do you define successful? Is it based on income (as an employee), reve…

Started by Vincent Granville

1 Jul 30, 2012
Reply by Doug laney

What are key SME BI indicators in your opinion?

I am compiling a selection of BI indicators for SME businesses in the retail/manufacturing sector and writing an article on the subject for…

Started by Aurovrata Venet

0 Jul 30, 2012

Controversial FACEBOOK stock : Entropic Trend Indicators (ETI) analysis of 60min chart

Started by Entropix

0 Jul 19, 2012

How could the analyst without skilled IT background deal with complicated data analysis by themselves?

Usually, the analyst has to call for special IT expertise to realize their assuming, it is quite time costing, how could they handle such p…

Started by Daisy Ding

0 Jun 27, 2012

History, Evolution and Classification of Programming Languages

Could you recommend a good reference on this topic? Or would you be interested in writing and article on this subject? Here are some though…

Started by Vincent Granville

1 Jun 25, 2012

How come there is no mention at all about the underlying hardware?

I am just very curious about the fact that most of the information, blog posts and discussions are focused on software and methods of analy…

Started by Diya Soubra

8 Jun 25, 2012
Reply by Diya Soubra

Eight reasons not to be insured

For the majority of Americans with no significant health problems, not smoking or drinking excessively, eating well, not obese, and not inv…

Started by Mirko Krivanek

1 Jun 24, 2012
Reply by Vincent Granville

Being obese is worse than smoking. Do you agree? How do you measure costs?

This discussion is about how to correctly assess costs and benefits of smoking versus obesity to society, and where to get reliable data so…

Started by Vincent Granville

12 Jun 18, 2012
Reply by Mike O'Neil



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