Improved terminology.
@@ -6,7 +6,7 @@ Compact is intended to operate on KGTK node
files or on the additional columns of KGTK denormalized edge files.
It should not be used to compact the `node2` column of a KGTK edge file.
-### Multi-value Edges
+### Creating Multi-value Edges
Suppose you have a KGTK edge file such as:
@@ -21,6 +21,9 @@ The compacted result would be:
| --- | --- | --- | --- |
| terminator2_jd | isa | movie | action\|science_fiction |
+!!! note
+ The key columns (see below) in this example are (`node1`, `label`, `node2`).
+
### Key Columns
Compaction occurs by grouping records on a set of key columns,
