A significant part of human activity today consists of searching for a piece of information online, utilizing knowledge repositories. This endeavor may be time-consuming if the individual searching for the information is unfamiliar with the subject matter of that information. However, experts can aid individuals find relevant information by searching online. This paper describes a theoretical framework to model the dynamic process by which requests for information come to a system of experts, who then answer the requests by searching for those pieces of information.

翻译：当今人类活动的一个重要部分是利用知识库在网上搜索信息,如果搜索信息的个人对信息的主题不熟悉,这项努力可能会耗费时间;然而,专家可以通过在线搜索帮助个人找到相关信息;本文描述了一个理论框架,用以模拟向专家系统提出信息请求的动态过程,专家系统然后通过搜索这些信息满足请求。