Table 2 Initial quality criteria to assess data classes by data field.

From: Building schematic of Vienna in the late 1920s

data field

pattern

condition

STR.1920s

Name match with entries in todays, address register9 or Wien Geschichte Wiki10

BN.1920s

1 integer, or 1 integer and 1 letter

POS.1920s

1 letter

“E” or “M”

AREA.1920s

1 decimal with 2 post comma positions

FLOORS.1920s

1 digit

 ≥ 1 and ≤ 6

YoC.1920s

4 digits

 ≥ 1600 and ≤ 1930

YoP.1920s

4 digits

 ≥ 1600 and ≤ 1930

  1. The “data field” corresponds with the column names in the digital building schematic. The “pattern” category includes criteria regarding the representation of digits and strings. The “conditions” category includes criteria that set logical constraints. Notes: “-” = not relevant.