我想使用nltk从文本中提取所有国家和国籍提及,我使用POS标记来提取所有GPE标记的标记,但结果并不令人满意.
abstract="Thyroid-associated orbitopathy (TO) is an autoimmune-mediated orbital inflammation that can lead to disfigurement and blindness. Multiple genetic loci have been associated with Graves' disease, but the genetic basis for TO is largely unknown. This study aimed to identify loci associated with TO in individuals with Graves' disease, using a genome-wide association scan (GWAS) for the first time to our knowledge in TO.Genome-wide association scan was performed on pooled DNA from an Australian Caucasian discovery cohort of 265 participants with …