Is Big Data a Big Deal?

Not Without Correct Software!

Gregory M. Kapfhammer


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What is Big Data?

Electronic music group from New York City?

Yes, but not in this context!

Create models, make predictions, and take action!

"V" Times Three?

Volume

Velocity

Variety


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Wait, have we missed a "V"?

We Need Veracity!

Confidence in the correctness of the data and software

Achieved through verification and validation


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Software Testing

Execute the test cases against the system under test

Check to see if the system's output is as expected

Status Report

Testing data mining and database systems

Research is preliminary and transfer is not common!


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Challenges?

Testing: scale to the level of big data systems

Big Data: Holistically consider all of the four "V"s

Next Steps?

Let's Talk!

Collaboration between research communities

Demonstrate the correctness of big data systems


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Is Big Data a Big Deal?

Of course it is!

A Bigger Deal

Greater impact with high-quality big data systems

Important societal benefits with correct predictions

Enhance and sustain our influence — together!


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