  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.
