Harnessing the Power of Data Discovery

We’ve all heard the adage about time being money, but how frequently do you as a CEO or a business owner ever look at all the data your enterprise has and ask yourself the question: Can we better utilize the data to improve profitability? More often ... [ Read More ]

So what use is discovery, anyway?

We are all so immersed in the details of our daily lives that sometimes we lose track of the Big Picture significance of it all. I am certainly guilty of that, and I’d like to share with you a very emotional story… I was at a conference on ... [ Read More ]

Love, A (Big) Data Story

If there’s anything I’ve learned from watching television commercials during the last six weeks is that this time of year means big money for the online dating industry. With more people making New Year’s resolutions to wipe the slate clean or fall ... [ Read More ]

Welcome to the Cray blog

At Cray we pride ourselves in offering some of the most powerful and advanced  supercomputing technologies in the world through a comprehensive portfolio of high performance computing (HPC) systems, storage and Big Data solutions. We've been building ... [ Read More ]

When Being a Fan Means More than Football

Unless you were a victim on Jimmy Kimmel’s comedic segment, “Lie Witness News,” you probably know that the Super Bowl is this Sunday. Approximately half the American population watched the big game last year, so odds are, even if you’re just ... [ Read More ]

Writing Iterative Algorithms in SPARQL: Pt. 1

While working recently with Adam Lugowski, Kevin Deweese, and John Gilbert of UC Santa Barbara, we got to looking at peer-pressure clustering[1] and how we might implement that in SPARQL.  Peer-pressure clustering is an algorithm that strikes a good ... [ Read More ]

Tuning SPARQL Queries for Performance

There is often a perception that RDF/SPARQL based systems are not performant compared to traditional RDBMS based systems. Personally, I think this is a spurious and inaccurate portrayal of the technology for a couple of reasons: 1. Often people ... [ Read More ]

Predictions for Big Data in 2013 by Arvind

2012 is coming to an end, which means it’s that time of year where media explode with their summaries and recaps. However, to me, looking forward is more exciting than looking back, so I thought I would be remiss if I didn't throw in my four ... [ Read More ]

Why Use a Graph-Oriented Database?

Suppose you worked for a business analysis software company, and your CEO wanted you to look into the possibility of developing a product that would help investment banks detect insider trading. Further suppose that the CEO wanted you to brief her on ... [ Read More ]

A Truth Table for SPARQL Query Datasets

While contributing to the development on the uRiKA platform, I was asked by our database team to describe the various conditions affecting a query’s dataset in a SPARQL query.  I came up with the following truth table which describes the result of a ... [ Read More ]