Engineering / Semantic data reconciliation
Reconciliation desk
Connect identities, apply corrections, and publish the right version of the stock report.
Three sources describe one stockroom: Warehouse counts stock, Till removes sales, Returns adds stock. “N” means North. Capture a report, receive a correction, then publish the old report unchanged before publishing the corrected report.
Source desk
1
Warehouse · North
Snapshot: 6 items · revision 1
2
Till · “N”
Sale: −2 items · one distinct movement
3
Returns · North
Return: +1 item · one distinct movement
Changing a rule restarts the report sequence.
Prepare → correct → publish
Current source view7North items · South -2
→Next prepared report—No waiting report
→Published view—Nothing published
Prepare a report from the three source cards.
Make a change, explore the result, then check your solution.
Need a hint?
Map N to North and keep captured rows unchanged. Follow the five numbered actions: the first report is 6 − 2 + 1 = 5; the corrected report is 8 − 2 + 1 = 7.