1.2b (1) Framework: Common repository

• Repository needs

  • API: public interface for tool builders
  • Information model: metametamodel
  • Storage manager: DBMS, OODBMS, object store

• PCTE OMS (1989)

  • no robust implementation, no standard query mechanism

• IBM Repository (AD/Cycle)

  • Published repository services (API), information model
  • Inflexible info. model, high cost, limited platform support

?Team Work

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