Hello Tal
Quite big question...
Follow information just for your reference. Hope this will be helpful.
Enterprise Resource Planning (ERP)
http://www.gartner.com/it-glossary/enterprise-resource-planning-erp/
ERP Data And Process Quality Assessment Tool
http://www.forrester.com/ERP+Data+And+Process+Quality+Assessment+Tool/fulltext/-/E-RES57913
ERP data sharing framework using the Generic Product Model (GPM)
http://dl.acm.org/citation.cfm?id=1865014
ERP Data modeling
http://www.databaseanswers.org/data_models/erp/
SAP R/3: Data Model, Metadata Management, and Customizing
http://www.stephan-brumme.com/download/erp/Assignment2.pdf
Kind Regards.
