Triple
T13233654
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tatra T1 |
E315084
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | ČKD Tatra |
E1029631
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: ČKD Tatra | Statement: [Tatra T1, manufacturer, ČKD Tatra]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ČKD Tatra Context triple: [Tatra T1, manufacturer, ČKD Tatra]
-
A.
ČKD Tatra
chosen
ČKD Tatra was a major Czechoslovak tram and rail vehicle manufacturer best known for producing large numbers of robust Tatra streetcars widely used across Central and Eastern Europe.
-
B.
Tatra automobile factory
The Tatra automobile factory is a historic Czech manufacturer renowned for its innovative, often air-cooled vehicles and heavy trucks, and is one of the oldest car makers in the world.
-
C.
Tatra 815
The Tatra 815 is a heavy-duty Czech all-wheel-drive truck platform widely used for both military applications and commercial transport.
-
D.
ČKD Tatra design team
The ČKD Tatra design team was the engineering group responsible for developing Tatra’s iconic post-war tramcar models and other urban rail vehicles in Czechoslovakia.
-
E.
Škoda
Škoda is a Czech automobile manufacturer known for producing practical, affordable cars and operating as a subsidiary brand within the Volkswagen Group.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d806affc688190a25b6ccc588e9c72 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98d36bdf8819099949b1e0e6902d3 |
completed | April 10, 2026, 11:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f70a35ccc88190881a7066b7af8fea |
completed | May 3, 2026, 8:41 a.m. |
Created at: April 9, 2026, 9:22 p.m.