Triple
T18046379
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nuremberg U-Bahn DT2 trains |
E431785
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object | Nuremberg U-Bahn Line U1 |
—
|
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: Nuremberg U-Bahn Line U1 | Statement: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U1]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nuremberg U-Bahn Line U1 Context triple: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U1]
-
A.
Nuremberg U-Bahn
chosen
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.
-
B.
Berlin U-Bahn line U1
Berlin U-Bahn line U1 is one of the oldest and most central lines in Berlin’s subway network, running predominantly east–west across the inner city and serving several major commercial and tourist areas.
-
C.
U-Bahn line U1
U-Bahn line U1 is one of Berlin’s oldest and most central underground lines, running mainly east–west and connecting key inner-city districts including Friedrichshain and Kreuzberg.
-
D.
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.
-
E.
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.
- 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.