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data modeling

Recommended read: The Predictioneer’s Game

October 25, 2010 by David Bakken
with 736 views
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The Preditioneer’s Game:  Using the Logic of Brazen Self-Interest to See and Shape the Future by Bruce Bueno de Mesquita makes a pretty strong case for using models to make critical decisions, whether in business or international policy.  To anyone involved in prediction science, Bueno de Mesquita’s claim of 90% accuracy (“... [read more]

Finding Important Data for a Modeling Exercise

August 31, 2010 by Vincent Granville
with 458 views
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Crosstabs, boxplots and scatterplots can be effectively used to find 'important data' amidst the growing tidal wave of information from mobile devices, websites, smart cards, credit cards, loyalty cards, and other sources. Finding what data to include in a modeling exercise with crosstabs, boxplots and scatterplots first requires a... [read more]

Modeling the brain: Hardware's not the issue

August 17, 2010 by Stephen Baker
with 496 views
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If computing continues its exponential growth, within 15 years the most powerful machines will be able to carry out 1020 calculations per second. Shane Legg, a theoretical neuroscientist speaking at the Singularity Summit, put that number into context yesterday. The estimate for all the grains of sand on every beach in the world... [read more]

FICO: Stretching beyond credit scores

April 13, 2010 by Stephen Baker
with 639 views
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  When I was working on my book, I stopped by the Fair Isaac research labs in San Rafael, Calif. After all, when it came to modeling individuals through their data, Fair Isaac (now FICO) was a pioneer. It practically invented credit-risk scoring. In its work for banks, FICO fine-tuned the champion-challenger testing that's now... [read more]

Creating DDL For An Entire Database In SQL Server 2008

April 13, 2010 by Gordon Linoff
with 144 views
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Recently, I started a new project which has a database component. I looked around for some visual data modeling tools, and I settled on just using the diagrams capability of SQL Server. Since the client is using SQL Server, it was simple to download SQL Server Express and get started using their diagramming tool. After creating a bunch... [read more]

Marketing a book, country by country

January 16, 2010 by Stephen Baker
with 135 views
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About a year ago, a book showed up at my house. It was Die Numerati, the German translation of The Numerati. The cover featured a dark image of swirling sharks. I stared at it, wondering what those creatures signaled. Then I went to the computer and got a translation of the subtitle, Datenhaie und ihre geheimen Machenschaften: ..."data... [read more]

Reading - Viral Data in SOA: An Enterprise Pandemic

January 5, 2010 by Karen Lopez
with 173 views
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  Viral Data in SOA: An Enterprise Pandemic (9780137001804): Neal A. Fishman: Books ISBN: 0137001800 ISBN-13: 9780137001804 I’m currently reading Neal Fishman’s Viral Data in SOA and really enjoying it.  What great timing... [read more]

Book Review: Data Modeling for Business

October 22, 2009 by Steve Sarsfield
with 229 views
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A couple of weeks ago, I book-swapped with author Donna Burbank. She has a new book entitled Data Modeling for Business. Donna, an experienced consultant by trade, has teamed up with Steve Hoberman, a previous published author and technologist and Chris Bradley, also a consultant, for an excellent exploration of the process of... [read more]

A Particularly Snarky Interview with Joe Celko

October 20, 2009 by Karen Lopez
with 128 views
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Over on Simple-Talk, Richard Morris interviews Joe Celko, famed author and speaker on database design issues. In this Geek of the Week interview, Mr. Celko goes all out snarky (and I use that word as a compliment, by the way) on topics of careers, Microsoft, data modeling and Zen practices. Some interesting responses: I might have... [read more]

Data Modeling with Generalizations – The Tool Issue

October 15, 2009 by Karen Lopez
with 134 views
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A bunch of factors have converged lately on the topic of generalized versus specific data modeling approaches. I’m working through the topic with two clients and yesterday I attended a webinar by Len Silverston and Paul Agnew about Universal Patterns for Data Modeling. Then Paul posted to dm-discuss about performance issues with... [read more]

Resolving Many-to-Many Relationships

July 2, 2009 by Karen Lopez
with 1,856 views
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Ever have one of those long, back and forth email exchanges where when you’re done you feel as if you’ve written a few chapters of an upcoming book?  I’m going to be taking a few of these from my archive to share with others who may be getting the same types of questions from non-modelers. Today, we will be discussing the question... [read more]

ASCII Data Modeling Tool - Amazing Stuff!

May 2, 2009 by Karen Lopez
with 290 views
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I saw a tweet by @EelcoVisser about yUML, an online tool to create UML models from text.  This page, by Tobin Harris, allows you to create small and quick class models right from text. So I entered the follow text: [Customer]<>1->*[RetailTransaction], [RetailTransaction]<>1->*[RetailTransactionLineItem], [... [read more]

Project Cartoon: Data Modeling - Different Points of View

May 1, 2009 by Karen Lopez
with 1,022 views
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You certainly can tell that it's the weekend.  @projmgr tweeted about a project management cartoon he found recently.  I did some digging and found projectcartoon.com, a website where you can create your own cartoon with a "build" theme. I came up with some captions to reflect my cynical view of how data models are treated on projects... [read more]