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September 2014 Blog Posts (52)

Embrace Relationships with Neo4J, R & Java

Graphs are everywhere, used by everyone, for everything. Neo4j is one of the most popular graph database that can be used to make recommendations, get social, find paths, uncover fraud, manage networks, and so on. A graph database can store any kind of data using a Nodes (graph data records), Relationships (connect nodes), and Properties (named data values).

A graph database can be used for connected data which is otherwise not possible with either relational or other NOSQL databases…

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Added by Raghavan Madabusi on September 19, 2014 at 6:31pm — No Comments

Preliminary findings about Zipf's Law (the thick tail distribution)

In this blog post I summarize my current findings in the Zipf's law clustering process.

I have done some extensive simulations on clustering of entities, which should lead to Zipf's law..

To summarize the simulated clustering process (which complies to the guidelines dr. Granville provided in his post):…

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Added by Tom De Smedt on September 19, 2014 at 5:00pm — No Comments

Big Data is Stupid Data

The "Big Data" marketing hype obscures the fact that more actionable, valuable insights are likely to be found in the right smaller "Smart Data" sets in contrast to large data sets.



While the term "Big Data" is properly defined as data sets whose size is beyond the ability of commonly used software tools to capture, manage, and process the data within a tolerable elapsed time - the…

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Added by Michael Walker on September 19, 2014 at 11:10am — 2 Comments

Is BYOD Momentum Fading?

Not long ago, bring your own device (BYOD) was the trend to watch among enterprises. Companies of all shapes and sizes looked at BYOD as the next big thing in business, a way to make…

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Added by Rick Delgado on September 18, 2014 at 10:00am — No Comments

Weekly Digest - September 22

The full version is always published Monday. Starred articles or sections are new additions or updated content, posted between Thursday and Sunday. 

Sponsored Announcement…

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Added by Vincent Granville on September 17, 2014 at 5:30pm — 1 Comment

What Are Analytic Marketplaces?

The Naked analyst Episode 9 looks at the best places for analytic competitions.

Here are my top 4 sites. They range from the the well known to some more specialist sites. There are 3 marketplaces I know of, and a 'world championship' currently running.

Kaggle

Kaggle is the world's largest community of data scientists. They compete with…

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Added by Steve Bennett on September 16, 2014 at 7:17pm — No Comments

Defining Big Data

Defining big data is now a hot topic. Berkeley University posted 40 very short definitions by thought leaders (including me). Here our goal is to offer a very detailed, comprehensive definition that (hopefully) suits everyone.…

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Added by Vincent Granville on September 16, 2014 at 6:00pm — 2 Comments

Top Cities and Other Demographics for Data Scientists

This analysis shows the distribution of data scientists per country, city, gender and company. It is based on Data Science Central (DSC) member database, only including members who provided information regarding these fields, on sign-up. Not all members provide information about their location, company or gender. A small majority does, and these members tend to be over-represented in US. Differences with our…

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Added by Vincent Granville on September 16, 2014 at 11:00am — No Comments

How Big Data is Revolutionizing Real Estate

The real estate industry has long operated according to its own traditions, but the availability of huge volumes of data is revolutionizing the way the industry works.…

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Added by Rick Delgado on September 16, 2014 at 5:30am — No Comments

Lesson 9: Making Your Selection - Final Considerations

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Added by William Vorhies on September 15, 2014 at 8:46am — No Comments

Too much talk in Analytics & too little action!

Is analytics yet another fad? Is there much more talk about it than real solid action. It does seem so when you look around you as a consumer.

Marketers still don’t care, as much, about being relevant to you. You get that umpteenth credit card solicitation from the bank which has already sold you a card. And nothing about a physical Retailer shopping experience makes it personal for you!

And yet your online…

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Added by Ajay Kelkar on September 14, 2014 at 9:00pm — 1 Comment

Universal Data Model - A Really Different Look at Data

The idea of environmental determinism once made a lot of sense. Hostile climates and habitats prevented the expansion of human populations. The conceptual opposite of determinism is called possibilism. These days, human populations can found living in many inhospitable habitats. This isn't because humans have physically evolved. But rather, we normally occupy built-environments. We exist through our technologies and advanced forms of social interaction: a person might not be able to build a…

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Added by Don Philip Faithful on September 13, 2014 at 8:11am — 2 Comments

Data Science and Machine Learning for Preventing Fraud in Mom and Pop Ecommerce Shops

With the development and growth of ecommerce platforms like Shopify, the number of small- and medium- sized ecommerce businesses is growing at an impressive rate. But, with this growth comes a growth in market opportunities for the online villains and fraudsters out there who are looking to make a quick buck. It used to be that only huge corporations had the resources they needed to detect fraud and protect themselves from its damages. But, in this era of big data and…

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Added by Lillian Pierson on September 12, 2014 at 11:26am — No Comments

Big Data Technology Vendor Consolidation

The "big data" technology vendor market is ripe for consolidation. The myriad of vendors and technologies is causing market confusion. Matt Turck created a nice visualization entitled "…

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Added by Michael Walker on September 12, 2014 at 9:09am — 2 Comments

Lesson 8: Graph Databases

Summary:  Graph databases are your go-to choice when a relationship…

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Added by William Vorhies on September 12, 2014 at 8:26am — No Comments

Lesson 7: Column Oriented Databases (aka Big Table or Wide Column)

Summary:  Column Oriented DBs excel at OLAP and…

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Added by William Vorhies on September 11, 2014 at 8:00am — 1 Comment

Gamification: Realizing Elusive Engagement!

Game mechanics help penetrate the walls that consumers have erected to filter out the deluge of information that increasingly clutters their digital space.

Gamification: The rumbling concept

Gamification…

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Added by Sumit Prasad on September 10, 2014 at 8:52pm — 1 Comment

Weekly Digest - September 15

The full version is always published Monday. Starred articles or sections are new additions or updated content, posted between Thursday and Sunday. 

Featured

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Added by Vincent Granville on September 10, 2014 at 2:00pm — No Comments

The "Island of Games" Data Puzzle

This data puzzle was originally posted on my blog, The Well-Tempered Spreadsheet.  In a Data Science Central article, Kirk Borne cited the puzzle as an example of a data relationship that eludes many data discovery…

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Added by Winthrop Smith on September 10, 2014 at 11:00am — 7 Comments

Lesson 6: Document Oriented Databases

Summary:  Unless you have special needs Document Oriented DBs are your most likely default choice.

Second in popularity in the business world behind Key-Value-Stores…

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Added by William Vorhies on September 10, 2014 at 9:00am — No Comments

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