Table 3.

Initial join condition

Column name	Metric	Weight
Name (baby)	Edit dist. (minfa=0.2, maxfa=0.25)	0.4
Birth date (baby)	Equality	0.25
Name (mother)	Edit dist. (minfa=0.2, maxfa=0.25)	0.2
Zip code	Equality	0.1
Hospital #	Equality	0.05