TY CONF TI THE USE OF GRAPH DATABASES TO IDENTIFY FRAUDULENT SCHEMES IN THE FINANCIAL SECTOR KW graph databases KW Neo4j KW financial fraud KW social network analysis KW PageRank KW mediation centrality KW community discovery KW Cypher KW linked data KW proactive security JO PROBLEMS AND PROSPECTS IN SYSTEMS AND PROCESS MODELING AU Tyunina, A.M. AU Kukueva, D.S. AU Kondusova, V.V. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov