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The development of methods for automatic preprocessing of observational data of small-aperture seismic arrays that precede the detection and identification of seismic events by the method of waveform cross-correlation is considered. Preprocessing is based on adaptive channel selection. The methods developed by us provide for the calculation of the quality metrics of the seismic channel by means of spectral and amplitude analysis of records. The selection of channels is based on the correspondence of the quality of...

The number of active users of social networks according to the latest Global Digital Statshot report from We Are Social and Hootsuite has exceeded three billion. This fact makes social networks the one of perspective sources of information for carrying out analytics of various kinds. The particular interest from a scientific point of view is the identification of interactions between individual actors and social groups. Since a significant part of the interactions are personal data, which are closed for general re...