Double Privacy Protection Algorithm for User Location Based on Multi-anonymizer Architecture 
HE Lili1, 2, ZHANG Chenglin1, 2, ZHANG Lei1, 2 , CAO Mingzeng1, 2
Computer and Modernization . 2025, (07): 33 -42 .  DOI: 10.3969/j.issn.1006-2475.2025.07.006