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Table 5 Source of errors for the rule-based classifier

From: Using natural language processing methods to classify use status of dietary supplements in clinical notes

Source of error

Number of sentences

Percentage of errors

Missing pattern

47

6.3%

Indicator words issue

40

5.3%

Distance issue

2

0.3%

Total

89

11.9%

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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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