Practice library
Guided investigations with a safe stop
Three synthetic scenarios teach the discipline of framing, sourcing, negative results and corrections—not a successful intrusion story.
Content state: draft Owner: owner:methodology Next review: 2026-09-07
Procurement check
Link an announcement, organisation identifiers and a committee decision without turning a name match into an allegation.
- Exercise: BINA 12-digit organisation identifier; its format alone does not prove ownership or status./KATOThe official versioned classifier of Kazakhstan's administrative-territorial objects./name and a time-versioned sourceA source state fixed at a point in time with a digest, locator and change description..
- Negative path: the source does not confirm the relationship.
- AbstentionA decision not to make a stronger conclusion when evidence is insufficient or conflicting, with the gap stated explicitly.: independent grounds are insufficient.
Media + geography + time
Compare a publication, a map capture and a timeline while preserving the precision and limits of geodata.
- Exercise: separate event location from publication location.
- Negative path: the date or coordinate is inconsistent.
- Correction: revise the conclusion after a new source version.
Public-series change
Distinguish a real change in an open dataset from methodology, delay or an owner correction.
- Exercise: snapshotAn immutable control copy of an open dataset or page at a defined point in time.-to-snapshot diffA deterministic comparison of two versions that shows an observed difference, not its cause..
- Negative path: the series is not comparable.
- Finish with a bounded conclusion, not an unsupported cause.