Table 4

Discovering rules from a disease dictionary

Dictionary
Lookup performance
Iter.
 Ambiguity
 Variability
 Rule
 Precision
 Recall
0
 1.001
 2.794
 (convert capital letters to lower case)
 0.994
 0.158
1
 1.002
 2.747
 ‘,’ → ‘’
 0.989
 0.184
2
 1.002
 2.667
 ‘ nos’ → ‘’
 0.986
 0.216
3
 1.003
 2.609
 ‘[x]’ → ‘’
 0.985
 0.263
4
 1.003
 2.580
 ‘o’ → ‘’
 0.982
 0.275
5
 1.003
 2.554
 ‘ies’ → ‘y’
 0.983
 0.291
6
 1.003
 2.529
 ‘ ’ → ‘-’
 0.984
 0.305
7
 1.003
 2.504
 ‘-’ → ‘;’
 0.984
 0.317
8
 1.003
 2.484
 ‘e’ → ‘i’
 0.985
 0.332
9
 1.004
 2.472
 ‘iasi’ → ‘rdir’
 0.986
 0.336
10
 1.004
 2.459
 ‘’s’ → ‘’
 0.986
 0.345
11
 1.004
 2.449
 ‘s’ → ‘z’
 0.986
 0.347
12
 1.004
 2.448
 ‘;(nz)’ → ‘’
 0.986
 0.347
13
 1.004
 2.447
 ‘kidniy’ → ‘rinal’
 0.986
 0.347
14
 1.004
 2.446
 ‘pulmnary’ → ‘lung’
 0.986
 0.347
15
 1.004
 2.443
 ‘ir’ → ‘ri’
 0.986
 0.348
16
 1.004
 2.441
 ‘aimia’ → ‘imiaz’
 0.986
 0.349
17
 1.004
 2.439
 ‘[d]’ → ‘’
 0.986
 0.349
18
 1.004
 2.436
 ‘aimlytic;animiaz’ → ‘imlytic;animia’
 0.986
 0.351
:
 :
 :
 :
 :
 :
24
 1.004
 2.427
 ‘z;thi’ → ‘’
 0.986
 0.354
:
 :
 :
 :
 :
 :
31
 1.004
 2.420
 ‘z;’ → ‘/’
 0.986
 0.355
32
 1.004
 2.348
 ‘/’ → ‘;’
 0.987
 0.377
33
 1.004
 2.348
 ‘dizrdri;liv’ → ‘livri;dizrd’
 0.987
 0.377
:
 :
 :
 :
 :
 :
38
 1.004
 2.345
 ‘uding’ → ‘’
 0.987
 0.378
:
 :
 :
 :
 :
 :
42
 1.005
 2.343
 ‘zufficiincy’ → ‘cmpitinci’
 0.987
 0.380
:
 :
 :
 :
 :
 :
50
 1.005
 2.339
 ‘(in;zputum)’ → ‘in;zputum’
 0.987
 0.381
:
 :
 :
 :
 :
 :
57
 1.005
 2.335
 ‘iincy’ → ‘’
 0.987
 0.382
:
 :
 :
 :
 :
 :
70
 1.005
 2.333
 ‘[idta]’ → ‘’
 0.987
 0.385
:
 :
 :
 :
 :
 :
89
 1.005
 2.327
 ‘ph’ → ‘f’
 0.987
 0.387
:
 :
 :
 :
 :
 :
93
 1.005
 2.325
 ‘ci’ → ‘x’
 0.987
 0.388
:
 :
 :
 :
 :
 :

Tsuruoka et al. BMC Bioinformatics 2008 9(Suppl 3):S2   doi:10.1186/1471-2105-9-S3-S2