data Matching software evaluation

data matching software evaluation:
last minute's... =D

http://www.chcf.org/documents/healthit/PatientDataMatchingBuyersGuide.pdf
http://iris.usc.edu/Vision-Notes/bibliography/match-pl540.html
http://www.neotool.com/blog/2007/01/26/patient-data-matching-with-hl7-messages/
http://www.ncss.com/datamatch.html
http://www.initiatesystems.com/resources/exec_summary/downloads/Documents/Master_data_management_and_accurate_data_matching.pdf

Data validation
For web application secure and data accuracy. It can be at interface, application, or database constraints. More to read: http://www.owasp.org/index.php/Data_Validation
http://en.wikipedia.org/wiki/Validation_rule

Link xxx with zzzz data:
Either very easy, or tons of tedious work. =I
Uuuuh...