For more info on using DQS, MDS (Master Data Services), and SSIS together check out the White Paper/Tutorial:

Enterprise Information Management (EIM) using SSIS, MDS, and DQS together:

http://www.microsoft.com/en-us/download/details.aspx?id=35462

Data Quality Services Performance Best Practices:

http://www.microsoft.com/en-us/download/details.aspx?id=29075

Cleanse and Match Data by using EIM:

http://msdn.microsoft.com/en-us/library/jj836269.aspx

These products all compliment each other.