00441naa#a2200145#i#450# EN\INFRA-M\bibl\14655 20260108212907.4 20250114b2025####ek#y0engy0150####ca RU BI AND OLAP: POWERFUL TOOLS FOR DATA ANALYSIS Conference article/thesis Moscow INFRA-M Academic Publishing LLC. 2025 3 с. Conference article/thesis local Zhukova M. V. zh-szf.ru