There is provided a method of manufacturing a light emitting device which includes preparing a light emitting element emitting excitation light and a substrate on which the light emitting element is disposed. In some examples, the system indexes the received data to associate the received data with a user of an information management system, andor provides index information related to the received data to the computing device. A single topic record is created for a person, company, or product. The radio access network includes a first RAN node associated with a first geographical coverage area and a second RAN node associated with a second geographical coverage area.