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In computer science , the relational model for databases was developed with Peircean ideas in work of Edgar F. Codd , who was a doctoral student of Arthur W. Burks , a Peirce scholar .
 person: Peircean; person: Edgar F. Codd; person: Arthur W. Burks; person: Peirce
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Peircean, Edgar F. Codd, Arthur W. Burks, Peirce 
Answer:
 person: Peircean; person: Edgar F. Codd; person: Arthur W. Burks; person: Peirce