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Table 5 Edit operations performed in the matrix generated from the normalized input

From: Introducing Explorer of Taxon Concepts with a case study on spider measurement matrix building

Edit type

Characters affected

Operation

Edit effort

Merge

1. length of whole-organism [161], length of body$1 [1]

Merge into length of whole-organism

1

2. length of carapace [147], size of carapace [4], length of prosoma$2 [37], length of ocular-area [1], length of thoracic-groove [2], length of cephalic-area [1]

Merge into length of carapace

5

3. width of carapace [152], width of prosoma$3 [37], width of ocular-area [1], width of thoracic-groove [2], width of cephalic-area [1]

Merge into width of carapace

4

4. length of abdomen [138], length of opisthosomum$4 [44]

Merge into length of abdomen

1

5. width of abdomen [128], width of opisthosomum$5 [6]

Merge into width of abdomen

1

6. location of spiracle [1], size of spiracle spinneret [2], distance of spinneret-spiracle [155]

Merge into distance of spinneret-spiracle

2

7. distance of epigastric-furrow [1], distance of epigastrium-epigastrium$6 [1], distance of epigastrium-spiracle [158]

Merge into distance of epigastrium-spiracle

2

8. length of leg-2 tibia [189], length of leg-2 [1], size_or_shape of leg-2 (split, tibia) [2]

Merge into length of leg-2 tibia

2

9. length of leg-2 metatarsus [189], size_or_shape of leg-2 (split, metatarsus) [2]

Merge into length of leg-2 metatarsus

1

10. length of leg-iii tibia [186], length of leg-ii [1]i, size_or_shape of leg-iii (split, tibia) [1]

Merge into length of leg-iii tibia

2

11. length of leg-iii metatarsus [186], size_or_shape of leg-iii (split, metatarsus) [1]

Merge into length of leg-iii metatarsus

1

12. length of leg-4 tibia [187], length of leg-4 [1], size_or_shape of leg-4 (split) [2]

Merge into length of leg-4 tibia

2

13. length of leg-4 metatarsus [187], size_or_shape of leg-4 (split) [2]

Merge into length of leg-4 metatarsus

1

Delete

14. length of leg [3]

delete length of leg

1

15. size of abdomen [3] (values are non-numerical, e.g. tiny)

delete size of abdomen

1

16. length of leg-iii tibia/metatarsu [1]

delete length of leg-iii tibia/metatarsu

1

Total edits

28

  1. The numbers in “[]” indicate the number of values affected by an edit operation. The 18 characters in the gold standard were all included in the machine-generated matrix. The characters superscripted with “$N” are considered equivalent to a corresponding character in the gold standard, either by their semantic equivalence (i.e.. $1), or by the experts’ decisions (i.e., $2–$6)