Knowledge Evolution
Visualize and summarize how engineering knowledge has transformed over time
387
Total version changes
76
Documents with recent changes
15%
Knowledge refresh rate
Document Timeline Visualization
Version Comparison & Summarization
Select a document and versions to compare
Knowledge Evolution Patterns
24
Emerging Concepts
15% from previous period
18
Deprecated Concepts
8% from previous period
42
Terminology Updates
12% from previous period
Terminology Tracking
| Term | First Appearance | Status | Frequency | Trend |
|---|---|---|---|---|
| Carbon Fiber Composites | Jan 2023 | Active | 86 | 24% |
| Aluminum Alloy 7075 | Mar 2022 | Declining | 42 | 18% |
| Additive Manufacturing | Nov 2023 | Emerging | 37 | 68% |
| Traditional Welding | May 2021 | Deprecated | 12 | 42% |
| Machine Learning Optimization | Feb 2024 | Emerging | 28 | 120% |
Obsolescence Detection
8
Critical Issues
14
Important Issues
23
Minor Issues
| Document | Issue | Severity | Last Updated | Actions |
|---|---|---|---|---|
Wing Assembly Specifications | References discontinued fastener type FB-420 | Critical | 18 months ago | |
Material Test Results | Uses outdated testing standard ISO-9845-2 | Important | 14 months ago | |
Electrical System Design | References deprecated connector type that fails new safety standards | Critical | 8 months ago | |
Maintenance Procedures | Contains old company branding elements | Minor | 11 months ago | |
Stress Analysis Report | Uses superseded calculation methodology | Important | 16 months ago |