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The family of sets of uniqueness , considered as a set inside the space of compact sets ( see Hausdorff distance ) , was located inside the analytical hierarchy .
 person: Hausdorff
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Hausdorff