Its SAP Business Objects Business Intelligence.
Refer below link for detailed explanation:
The blog from this gentleman may help you:
In the below link they have clearly explained ,please go through the link
BI => Business Intelligence , BOBJ => Business Object.
The Accrony SAP BI OBJ refers Business Intelligence Business Object..
Refer the links:
With SAP BI products being replaced by SAP BOBJ, existing customers need to migrate to the new technologies with agility.
Achieving complete integration of BOBJ with SAP BI is paramount as it significantly enhances your overall analytical reporting
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