החיפוש שביצעת - information ((presentation a) OR (presentation part)) decision gate schema - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
presentation part » presentations part, representation part, presentation pt
presentation a » presentation _, representation a
decision gate » decision game, decision case, decision data
gate schema » data schema, based schema, marts schema

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