Introduction and Motivation -- Underlying Technologies and Related Works -- A Hierarchical-Packaging-aware Discovery Service -- A Recursive Search Algorithm -- A Filter Algorithm to Extract the Relevant Read Events -- System Design and Implementation Considerations -- Evaluation -- Conclusion...

Introduction -- Related Work -- Security in EPCglobal Networks -- Device-level Extensions -- Business-level Extensions for Event Repositories -- Qualitative and Quantitative Discussion -- Evaluation -- Conclusion -- Appendices.