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No, The TSP Isn't NP Complete
Two recent blog posts discussing the Traveling Saleman Problem (TSP) led me to write this post. The two blog posts are What is Operations Research by Graham Kendall, and I’ve Been Everywhere (Optimally…) ...
from Blog: IT Best Kept Secret Is Optimization
Modified by JeanFrancoisPuget


The Role Of Data Science
I am sure I'll get flamed for this post, given how hyped data science is. Let me first say that I do not pretend to define what data science is, others, probably more qualified than me, have done it well. For instance, I like this...
from Blog: IT Best Kept Secret Is Optimization
Modified by JeanFrancoisPuget


NP Or Not NP? That Is The Question
A recent blog entry on TSP and NP completeness made me write the long overdue entry I wanted to write about complexity of optimization problems. It comes in play when customers ask this simple question: My problem takes too long to solve, what can I do? ...
from Blog: IT Best Kept Secret Is Optimization


We must show the pain before we can propose the cure
Part of my job is to inject optimization in IBM Anaytics solutions. During one of the discussions with solution teams we argued about a fairly general issue that can prevent prescriptive analytics adoption. I think it is worth sharing.
...
from Blog: IT Best Kept Secret Is Optimization
Modified by JeanFrancoisPuget


2014 2nd Edition of Netezza Underground Book now on sale at Amazon.com
For the past many months I have been diligently updating and upgrading the original 2008 Netezza Underground to address the many features of TwinFin, Striper and other offerings from IBM. I have recently been notified that it has passed final edit and is...
from Blog: Netezza Underground
Modified by DavidBirmingham


Machine Learning versus Machine Intelligence
Machine learning today is every bit as calculated, as simulated, as is machine intelligence. It is easier to use machine intelligence to highlight how much greater human cognition is, which is why I've been using a machine intelligence algorithm over the...
Modified by John M. Boyer


Actionable Insights
JeanFrancoisPuget
Tags:
big_data
analytics
decision
optimization
data_science
4 Comments
1,915 Visits
It is good practice to eat your own food. I should be no exception.
In my post on the role of data science I was blaming data scientists who left business users without any clue about how to use the insights they produce. ...
from Blog: IT Best Kept Secret Is Optimization
Modified by JeanFrancoisPuget


IBM Content Analytics at Information On Demand (or ICA at IOD)
Hello world! Too many blog posts start with "It's been awhile since I've posted here", so I'm gonna skip that part and pretend that we've been talking regularly all along, OK ? Firstly, yes, I'll be at IOD this year! I've missed a couple due to...
from Blog: Peggy Zagelow  a view from the lab


Solving the hardest Sudoku  part 1
JeanFrancoisPuget
Tags:
constraint_programming
mathematical_optimization
optimization
analytics
mathematics
sudoku
4 Comments
6,561 Visits
Do you know the hardest Sudoku problem? Do you know the best way to solve it? Before answering these questions, let me remind you of what the Sudoku puzzle is about in case you haven't read a newspaper in the last decade (adapted from wikipedia...
from Blog: IT Best Kept Secret Is Optimization
Modified by JeanFrancoisPuget


Adding Google site verification to your blog Community Blog
If you use the minimal template for your developerWorks blog, you have to fill out the following lines in your _css or _options file to optimize your blog for Google: <meta name="googlesiteverification" content="hJgKEUDVxxxxOYLHxxxS3fG7Ql33...
from Blog: developerWorks Community as a Service


Issues Are Not Where One Think They Are
Where are the issues when one tries to use optimization to improve business? They may not lie where one think. My former colleague Laurent Perron (now at Google) splits the average time spent on optimization projects as follow in his CP 2011...
from Blog: IT Best Kept Secret Is Optimization
Modified by JeanFrancoisPuget


Memory Locality
How can a Java code be 85x slower than a C++ code solving the same problem? This post is trying to answer this question.
Why am I asking this question in the first place? It all started with a seemingly simple exercise. We were working on a...
from Blog: IT Best Kept Secret Is Optimization
Modified by JeanFrancoisPuget


Proactive Analytics
Why blog again about optimization and analytics? Because the current way of having optimization be part of analytics is a bit misleading. Let me first say I assume that optimization is part of analytics here. Granted, a previous post of...
from Blog: IT Best Kept Secret Is Optimization
Modified by JeanFrancoisPuget


Computing The Really Optimal Tour Across The USA On The Cloud With Python
When Randy Olson's Computing the optimal road trip across the U.S. resulted in articles in the Washington Post , NY Daily News , Daily Mail , People Magazine , NY Times , NPR , and many other outlets, the...
from Blog: IT Best Kept Secret Is Optimization
Modified by JeanFrancoisPuget


Benchmarking Is Tricky
We benchmark all the time. Why?
There are mainly two reasons. First, our customers keep asking for performance improvements, as they apply CPLEX to larger and more complex problems. We therefore need to make sure newer releases of...
from Blog: IT Best Kept Secret Is Optimization
Modified by JeanFrancoisPuget
