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Comparing Bills of Materials

Lucas Tate, Rebecca Jones, Doug Dennis, Tatyana Benko, Jody Askren

Abstract

Bills of materials (BOMs) are quickly becoming an effective tool for managing supply chain risk. As more BOMs enter circulation, the ability to compare them will be crucial to understanding how products differ and in managing BOMs from different tools or sources. This paper will describe some of the challenges of comparing BOMs followed by a discussion of several comparison methods

Comparing Bills of Materials

Abstract

Bills of materials (BOMs) are quickly becoming an effective tool for managing supply chain risk. As more BOMs enter circulation, the ability to compare them will be crucial to understanding how products differ and in managing BOMs from different tools or sources. This paper will describe some of the challenges of comparing BOMs followed by a discussion of several comparison methods

Paper Structure

This paper contains 17 sections, 3 figures, 3 tables.

Table of Contents

  1. Introduction
  2. Previous Work
  3. Barriers to Comparing BOMs
  4. BOM Standards and Versions
  5. SBOM Types
  6. Naming Conventions
  7. Hashing Approaches
  8. Structure
  9. Scoping
  10. Quantities
  11. Order
  12. Comparing BOMs
  13. List and Set Comparisons
  14. Graph Comparisons
  15. SBOM Example
  16. ...and 2 more sections

Figures (3)

  • Figure 1: Visualization of HBOM 1.
  • Figure 2: Visualization of HBOM 2
  • Figure 3: Visualization of Merged Graph. Blue represents nodes found in both HBOM 1 and HBOM 2. Pink nodes are only found in HBOM 1 and yellow nodes are only in HBOM 2. Yellow edges indicate nodes where the names fuzzy matched.