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refactor: Replace Path 1/Path 2 terminology with typed edge vocabulary #44

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Merged
rdhyee merged 1 commit into from
Dec 5, 2025
Merged

refactor: Replace Path 1/Path 2 terminology with typed edge vocabulary #44

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10 changes: 5 additions & 5 deletions tutorials/oc_parquet_enhanced.qmd
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Original file line number Diff line number Diff line change
Expand Up @@ -190,16 +190,16 @@ viewof relationshipTable = Inputs.table(relationshipPatterns, {
❌ **Common Mistake**: Assuming direct Sample → Location relationships
✅ **Reality**: All location queries require multi-hop traversal through SamplingEvent

### The Correct Paths Discovered
### The Correct Traversals Discovered (Using Typed Edges)

**Path 1: Direct Event Location**
**Direct Location (via EVENT_SAMPLE_LOCATION)**
```
MaterialSampleRecord → produced_by → SamplingEvent → sample_location → GeospatialCoordLocation
MaterialSampleRecord → MSR_PRODUCED_BY → SamplingEvent → EVENT_SAMPLE_LOCATION → GeospatialCoordLocation
```

**Path 2: Via Site Location**
**Site-Mediated Location (via EVENT_SAMPLING_SITE → SITE_LOCATION)**
```
MaterialSampleRecord → produced_by → SamplingEvent → sampling_site → SamplingSite → site_location → GeospatialCoordLocation
MaterialSampleRecord → MSR_PRODUCED_BY → SamplingEvent → EVENT_SAMPLING_SITE → SamplingSite → SITE_LOCATION → GeospatialCoordLocation
```

This discovery unlocked **1,096,274 samples** that were previously inaccessible due to incorrect query patterns!
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