Triple
T18046381
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nuremberg U-Bahn DT2 trains |
E431785
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object | Nuremberg U-Bahn Line U3 |
—
|
NE NERFINISHED |
How this triple was built (3 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 U3 | Statement: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U3]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nuremberg U-Bahn Line U3 Context triple: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U3]
-
A.
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.
-
B.
Munich U-Bahn line U3
Munich U-Bahn line U3 is a major rapid transit route in Munich’s underground network, running north–south across the city and serving numerous residential and commercial districts.
-
C.
U-Bahn line U3
U-Bahn line U3 is a Berlin U-Bahn metro line that runs across the southwestern part of the city, connecting residential districts with central transport hubs.
-
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.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nuremberg U-Bahn Line U3 Target entity description: Nuremberg U-Bahn Line U3 is a fully automated rapid transit line in the Nuremberg U-Bahn network in Germany, connecting key districts of the city.
-
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.
Munich U-Bahn line U3
Munich U-Bahn line U3 is a major rapid transit route in Munich’s underground network, running north–south across the city and serving numerous residential and commercial districts.
-
C.
U-Bahn line U3
U-Bahn line U3 is a Berlin U-Bahn metro line that runs across the southwestern part of the city, connecting residential districts with central transport hubs.
-
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.
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.
- F. None of above.
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.