Adaptation of dynamically generated content

这一领域的大多数当前研究方向的重点是基于服务器/单客户端关系，由此客户端向服务器请求媒体，提供其上下文元素，并且媒体被处理并呈现给客户端。当这种关系不存在时，例如在基于服务器/多客户端的系统(例如，虚拟环境)中，其中每个客户端与其他客户端交互，并且服务器仅充当过滤和分发平台；或者对于其中两个客户端彼此直接交互的客户端/客户端系统(例如，视频会议)，该布置避免了某些考虑。在这两种情况下，将媒体存储在数据库或文件存储中的概念以及对媒体的某种带标签的描述不再可能--本质上，尽管可能存在存储在服务器上或甚至在客户机上的某些元素，但是媒体或者是动态生成的(例如，视频会议)，或者是混合的(例如，虚拟环境)的一部分。

The focus of most current research directions in this area is based on a server/single-client relationship, whereby a client makes a request to a server for media, provides its contextual elements, and that media is processed and presented to the client. This arrangement avoids certain considerations when this relationship is not present, for example in server/multiple-client based systems (e.g. virtual environments) whereby each client is interacting with other clients, and the server is acting merely as a filtering and distribution platform; or for a client/client system (e.g. video conferencing) where two clients are interacting with each other directly. In both cases the concept of storing media in a database or file store, along with some kind of tagged description for the media, is no longer possible - and in essence while there might be certain elements stored on the server or even at the client, the media is either being generated dynamically (e.g. video conferencing) or as part of a mix (e.g. a virtual environment).