Triple
T18046406
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nuremberg U-Bahn DT2 trains |
E431785
|
entity |
| Predicate | rollingStockFamily |
P45556
|
FINISHED |
| Object | DT series of Nuremberg U-Bahn |
—
|
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: DT series of Nuremberg U-Bahn | Statement: [Nuremberg U-Bahn DT2 trains, rollingStockFamily, DT series of Nuremberg U-Bahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DT series of Nuremberg U-Bahn Context triple: [Nuremberg U-Bahn DT2 trains, rollingStockFamily, DT series of Nuremberg U-Bahn]
-
A.
Nuremberg U-Bahn DT2 trains
chosen
Nuremberg U-Bahn DT2 trains are an older generation of electric multiple-unit subway trains that formerly operated on the Nuremberg U-Bahn system in Germany.
-
B.
Nuremberg U-Bahn
The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
-
C.
Munich U-Bahn
The Munich U-Bahn is the German city's rapid transit metro system, forming a core part of its public transportation network with multiple underground lines serving urban and suburban areas.
-
D.
Munich U-Bahn line U4
Munich U-Bahn line U4 is a rapid transit line in Munich’s underground railway network that runs east–west through the city, connecting central stations with several eastern districts.
-
E.
Stadtbahn Nürnberg
Stadtbahn Nürnberg is the light rail and metro system serving the city of Nuremberg, Germany, integrating underground and surface lines as a core part of the urban public transport network.
- 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_69d8b906482481908183315b9ecf9994 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4bff2d3c48190875ffe9c042d3ec0 |
completed | April 19, 2026, 11:43 a.m. |
Created at: April 10, 2026, 10:25 a.m.