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Table 1 Examples of entity boundary partition error

From: A hybrid approach for named entity recognition in Chinese electronic medical record

Recognized entity

Correct entity

Category

左附件

(left attachment)

左附件区

(left attachment area)

Anatomy

卵巢切除

(Ovariectomy)

卵巢切除术

(Ovariectomy surgery)

surgery

贝伐

(Beval)

贝伐珠单抗

(Bevacizumab)

Drug

睡眠不佳

(Poor sleep)

饮食睡眠不佳

(poor diet and sleep)

Individual symptom

疼痛

(pain)

疼痛不适

(pain discomfort)

Symptom description