Triple
T21194476
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tatra K2 |
E522291
|
entity |
| Predicate | derivedFrom |
P909
|
FINISHED |
| Object | Tatra T3 |
—
|
NE NERFINISHED |
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: Tatra T3 | Statement: [Tatra K2, derivedFrom, Tatra T3]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tatra T3 Context triple: [Tatra K2, derivedFrom, Tatra T3]
-
A.
Tatra T5C5
The Tatra T5C5 is a type of articulated tramcar built by ČKD Tatra that has long served as a primary workhorse on Budapest’s tram network.
-
B.
Tatra 815
The Tatra 815 is a heavy-duty Czech all-wheel-drive truck platform widely used for both military applications and commercial transport.
-
C.
Tatra T3 tram
chosen
The Tatra T3 tram is a widely produced and iconic Czechoslovakian streetcar model, renowned for its robust design and extensive use across Eastern Europe and the former Soviet bloc.
-
D.
ČKD Tatra
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.
-
E.
Tatra T2 tram
The Tatra T2 tram is a mid-20th-century Czechoslovak streetcar model that adapted and localized the American PCC design for use across Eastern European urban transit systems.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b51061388190aa03f19700d3ef04 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7333aa0fc81909b17eb6a26f389ec |
completed | April 21, 2026, 8:20 a.m. |
Created at: April 16, 2026, 3:08 p.m.