A local public information system can deliver public information to appropriate target persons in a local area at appropriate times, and make it possible for the persons to reconfirm the information once delivered, without incurring communication expenses and noise. A hybridoma cell line that produces a monoclonal antibody against the NSs proteins of WSMoV-serogroup tospoviruses was produced. Once generated, the metadata may be associated with the first document. Thus, the shape can be measured in a short time without using an aspherical surface standard.