The indexing service is one of the necessary services that information centers provide, and the scouts are considered as retrieval tools and means of communication, not only for the purposes of accessing information in libraries and information centers, but also for various social purposes. As a result of the increasing accumulation of knowledge and as a result of economic factors and the factor of time in the era of competition in the various fields of scientific knowledge, the availability and organization of information has become a priority for any human activity.