FIELD: data processing.
SUBSTANCE: invention relates to means of making payments using payment systems. Instant messaging system between users having similar areas of interest includes a plurality of instant messaging mobile devices, each having a mobile application, configured to establish communication with the context server and to perform registration on the context server by the unique event identifier. Context server provides registration of user device by event identifier. In the system, an event participant profile is generated by drawing up a vector of interest areas of the event participant. Performing comparisons of participant profiles to each other by comparing vectors of areas of interest of different participants of events and calculating a relevance factor between participants of activities.
EFFECT: technical result consists in improvement of classification accuracy for identifiers of objects of possible interest of subscriber.
7 cl, 2 dwg
