Issues around data preparation and data quality continue to plague many data professionals, who spend as much as 80 percent of their time trying to make raw data usable. That is the take of David Corrigan, chief marketing officer and vice president of product management at InfoTrellis.

Corrigan spoke with Information Management at the recent Strata & Hadoop World conference in New York. Corrigan said the data lake has become especially important for many organizations, but getting value from a data lake is easier said than done.

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