"Fowler lumped graph databases as the oddball fourth category in his NoSQL Distilled book (the first three being key-value, columnar, and document)."
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Titus's Discussions
Did I create a new NoSQL database environment?
4 Replies
When I analyze datasets for clients (say Internet click logfiles), I typically write a Perl script, summarize click log data into a "fact" table stored in memory - actually stored as an hash table -…Continue
Started this discussion. Last reply by Michael Malak Feb 25.
Column vs. row-oriented databases. Recommendations?
4 Replies
When does it make sense to use row-oriented databases? What are the advantages? A column-oriented DBMS is a database management system that stores data tables as sections of columns of data rather…Continue
Started this discussion. Last reply by Jeff Healey Feb 15.
What do you think of this new data science startup idea?
1 Reply
Based on tweets and blog posts, identify new scams before they become widespread.Search for keywords such as scam, scammed, theft, rip-off, fraud etc.Assign a date stamp, location and category to…Continue
Started this discussion. Last reply by Vincent Granville May 26, 2012.
Excel to HTML, and other data format conversions
What is the best Excel to HTML converter? I've found Tableizer at http://tableizer.journalistopia.com/, it's free and it's a web app. But I'm…Continue
Started Mar 3, 2012
Titus's Page
Latest Activity
Vincent Granville replied to Titus's discussion Did I create a new NoSQL database environment?
"Are graph databases usually considered to belong to the NoSQL family? "
Vincent Granville replied to Titus's discussion Did I create a new NoSQL database environment?
"Sounds like the BerkeleyDB embedded key/value database, with key/value files saved on disk."
Titus commented on Vincent Granville's blog post Debunking the story about the Russian meteor event
"Here's another picture:
"
Jeff Healey replied to Titus's discussion Column vs. row-oriented databases. Recommendations?
"There's an informative post on our blog (HP Vertica) from our lead engineer on column stores. Check it out at:
http://www.vertica.com/2012/08/20/setting-the-record-straight-on-column-stores-again/"
Brian Feeny replied to Titus's discussion Column vs. row-oriented databases. Recommendations?
"Just about all columnar store analytics databases allow you to choose if the particular table you are creating will be row or column store. One rule of thumb (and thats all it is, its not a hard rule), is that Column store is read optimized…"
Steve O replied to Titus's discussion Column vs. row-oriented databases. Recommendations?
"I'm not sure exactly what you mean by choosing between row and column orientation. For querying the same table? Infobright is built on MySQL giving both options within the same database, but I don't believe on the same…"
Michael Malak replied to Titus's discussion Did I create a new NoSQL database environment?
"An in-memory hash is as NoSQL as the 6502 is RISC."
Gary D. Miner, Ph.D. replied to Titus's discussion Column vs. row-oriented databases. Recommendations?
"Almost all, if not all, of the statistical and predictive analytic software systems use flat files, where data is stored with cases as rows and columns as variables. I have done data analysis, including BIG DATA analysis for close to 50 years…"
Titus posted discussions
Titus replied to Vincent Granville's discussion Boeing's Dreamliner turns into a nightmare due to bad analytics
" It's a classic operations research issue: quality control of a product involves both sound design of experiments (DOE in statistical terminology) and statistical models. At the very least, DOE was poor in this case.The statistical testing…"
Titus posted a blog post
Online advertising: invisible ads generating big revenue
Interesting article by Ted McConnel. It would be interesting to know what's the proportion of ad revenue is coming from "blank displays" or user clicking on a link by mistake. Here's the article:This is the story of a blank display ad that notched twice the click-through rate of the average branding one.It all started over lunch with my friend Charlie.Ted McConnell"When I want to make quick money on clicks," he said, "I just buy late-night impressions on women's gaming sites. I guess the users…See More
Titus posted a blog post
Look at this chart to see if your salary is in the top 10 or top 15%.
Data scientists and analytic professionals usually command salaries well above average. Here's the detailed salary distribution in US. You can easily check your rank. Also, a breakdown per county is available.…See More
Vincent Granville replied to Titus's discussion What do you think of this new data science startup idea?
"One way to monetize this idea:
Selling the data to central police and intelligence agencies around the world, anti-terrorist forces, or the Army, as some of this activity is used to fund terrorism. Or get it integrated with anti-virus software. Or…"
Titus posted a discussion
What do you think of this new data science startup idea?
Based on tweets and blog posts, identify new scams before they become widespread.Search for keywords such as scam, scammed, theft, rip-off, fraud etc.Assign a date stamp, location and category to each posting of interestIdentify and discard bogus postings that report fake fraud storiesScore each post for scam severity and trustworthinessCreate a taxonomy to categorize each postingCreate a world map, updated hourly, with scam alerts, with for each scam: a category, an intensity and a recency…See More
Titus commented on Mirko Krivanek's blog post Data science jobs not requiring human interactions
"I like these ideas. It is in many ways more challenging than working a regular job, and by the sametoken, more exciting. It's like climbing the Everest in winter, solo, with no oxygen (a few did it)."
Profile Information
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- Analytics with Perl
- Field of Expertise:
- Data Mining
- Professional Status:
- Manager
- Interests:
- Networking
Titus's Photos
Titus's Blog
Online advertising: invisible ads generating big revenue
Interesting article by Ted McConnel. It would be interesting to know what's the proportion of ad revenue is coming from "blank displays" or user clicking on a link by mistake. Here's the article:
This is the story of a blank display ad that notched twice the click-through rate of the average branding one.…
ContinuePosted on August 4, 2012 at 12:00pm
Look at this chart to see if your salary is in the top 10 or top 15%.
Data scientists and analytic professionals usually command salaries well above average. Here's the detailed salary distribution in US. You can easily check your rank. Also, a breakdown per county is available.…
ContinuePosted on June 6, 2012 at 7:00pm
How do data scientists rank?
Check the influencer list built by Gil Press, at https://alist.traackr.com/datascience. As of 4/28, the top 10 are as follows:…
ContinuePosted on May 6, 2012 at 1:30am — 1 Comment
New highway toll system poorly designed due to lack of analytic thinking
As of yesterday, a toll system is in place for drivers crossing the I-520 bridge, linking Seattle to Redmond, where the big Microsoft campus is located. It is claimed to be the most modern toll system in US, and drivers don't need to stop to cross the bridge, there's actually no toll booths, no human beings to process your payment.…
ContinuePosted on December 30, 2011 at 5:00pm
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