D.2 NATIONAL TRADE SHOW SERVICE SYSTEM that helps business customers create, promote, organize, and run national and internatic Business customers contact NTSS for the services they need. Creatin involves the design for the trade show, including professional servi selection of a theme and a slogan to location and duration. Pro includes advertisement activities. Organizing a trade show includes al fore the trade show except creation and promotion. For example, in and registering participants and exhibitors. Running a trade show is th a trade show Promoting a trade show inviting speakers, activity of on etting up the booths, conference rooms for seminars, reception, and n, and creates an account for each customer distributing trade show materials. The NTSS record service charges, payments received, and maintain the account b alanc es A trade show can be regarded as an event. For example, the 200 Electronics Show took place in the Las Vegas Convention Center durin 7-10, 2008 and the 2008 MacWorld Conference took place at the M ter, 747 Howard Street, San Francisco, CA 94103 during January 14-18, 2008. Ar event has an organizer, which can be a person or an organization. For example, the CES was organized by the Consumer Electronics Association while the Mac World was organized by Apple, Inc. An event has contact information and possibly a web site that provides further information about the event. An event can belong td o or more predefined domains. For example, the CES and MacWorld belong to both Technology and Consumer Electronics. The list of predefined domains can chang from time to time because new domains need be added and outdated domains need be removed onsumer g Janu cone Cen- A trade show is attended by different types of participants including the event organization staff, the invited and/or selected speakers, exhibitors, and observens. Except the event organization staff and the event organizer, all participants m register to attend a trade show events. The registration charges a fee, which is or different trade show events. The event organization staff creates, prepale the event. The invited speakers are famous figures in the dom give a keynote address at the event. The selected speakers are i event based on the evaluation of their proposals. The propo by a committee of reviewers, who are experts in the domain a invited to speak at the are usually rev and willing to help. The ed D.2 NATIONAL TRADE SHOW SERVICE SYSTEM that helps business customers create, promote, organize, and run national and internatic Business customers contact NTSS for the services they need. Creatin involves the design for the trade show, including professional servi selection of a theme and a slogan to location and duration. Pro includes advertisement activities. Organizing a trade show includes al fore the trade show except creation and promotion. For example, in and registering participants and exhibitors. Running a trade show is th a trade show Promoting a trade show inviting speakers, activity of on etting up the booths, conference rooms for seminars, reception, and n, and creates an account for each customer distributing trade show materials. The NTSS record service charges, payments received, and maintain the account b alanc es A trade show can be regarded as an event. For example, the 200 Electronics Show took place in the Las Vegas Convention Center durin 7-10, 2008 and the 2008 MacWorld Conference took place at the M ter, 747 Howard Street, San Francisco, CA 94103 during January 14-18, 2008. Ar event has an organizer, which can be a person or an organization. For example, the CES was organized by the Consumer Electronics Association while the Mac World was organized by Apple, Inc. An event has contact information and possibly a web site that provides further information about the event. An event can belong td o or more predefined domains. For example, the CES and MacWorld belong to both Technology and Consumer Electronics. The list of predefined domains can chang from time to time because new domains need be added and outdated domains need be removed onsumer g Janu cone Cen- A trade show is attended by different types of participants including the event organization staff, the invited and/or selected speakers, exhibitors, and observens. Except the event organization staff and the event organizer, all participants m register to attend a trade show events. The registration charges a fee, which is or different trade show events. The event organization staff creates, prepale the event. The invited speakers are famous figures in the dom give a keynote address at the event. The selected speakers are i event based on the evaluation of their proposals. The propo by a committee of reviewers, who are experts in the domain a invited to speak at the are usually rev and willing to help. The ed