EXPERT RESPONSE
If you're looking for unbiased information on data quality management tools, my best recommendation would be to seek out the content available via industry publications and websites, such as The Data Warehousing Institute. Also, certain vendors may make portions of subscription-based analysis (e.g., Gartner Magic Quadrants) available from their Web sites. For a more comprehensive acquisition effort, I strongly recommend engaging a firm with expertise in the data quality management field to marshal your organization through the requirements analysis/specification, demonstration/Proof-of-Concept, and assessment phases of the procurement.
SearchDataManagement.com's data quality management resources:
Gartner ranks data quality management tools market, reveals trends
Data quality products position for a pervasive presence
Where have all the data quality vendors gone?
Data quality trends, with expert Larry English (podcast)
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