Table 2. Results for processing data tables

(last line = means and standard deviations)

Processing

time (mn)

Number of

characters

Number of

chars/ mn

Number of

schema

changes

8

39

4.9

0

6

36

6.0

0

8

21

2.6

2

6

42

7.0

0

7

(1.15)

34.5

(9.3)

5.1

(1.9)

0.5

(1)