本文件规定了一个逻辑数据模型，以满足消费者领域（ATIS IPTV体系结构中定义的领域之一）中与IPTV服务相关的需求。数据模型使用XML模式指定，并促进与用户和用户使用IPTV服务的设备相关的数据交换。具体而言，以下方面涉及用户对内容消费和可访问性的偏好、用户订阅的服务以及内容消费和用户交互的记录。注？本标准附录A“ATIS IPTV终端元数据规范模式”也已被格式化为单独的文件，并与本标准一起以电子方式打包。

This document specifies a logical data model to address the requirements related to IPTV services in the Consumer Domain, one of the domains defined in the ATIS IPTV architecture. The data model is specified using XML schemas and facilitates the exchange of data related to users and devices with which users consume IPTV services. Specifically, the following areas are addressed user preferences for content consumption and accessibility, services to which users are subscribed, and recording of content consumptions and user interaction. Note ¿ Annex A, ATIS IPTV Terminal Metadata Specification Schema, of this Standard has also been formatted as a separate file and electronically packaged with this standard.