| 摘要 |
An apparatus comprising a processor and memory including computer program code, the memory and computer program code configured to, with the processor, enable the apparatus at least to, based on: an accepted registration of a third-party user by registration of one or more of a first-party portable location monitoring tag and a third-party two-way portable communications device; and a monitored location of the third-party user within a first-party defined geographical area, monitored by using location monitoring sensors distributed within the first-party defined geographical area, the location monitoring sensors configured to monitor the location of one or more of the registered first-party portable location monitoring tag and the registered third-party two-way portable communications device; provide navigation instructions to the third-party user to a destination within the first-party defined geographical area by using a user interface of the third-party two-way portable communications device. |
