Ahlem Rhayem Andrea Cimmino Juan Cano Benito María Poveda Villalón Raúl García Castro Ontology code created by Chowlk location country has operator has range provides network lat long cell id created network code operator id operator name range code name Feature Point C D M A Cell Towers G S M L T E Network Operator Range U M T S 4 G 5 G Device Place