Triple
T18046380
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nuremberg U-Bahn DT2 trains |
E431785
|
entity |
| Predicate | usedOnLine |
P15252
|
FINISHED |
| Object |
Nuremberg U-Bahn Line U2
Nuremberg U-Bahn Line U2 is a major rapid transit line in the Nuremberg U-Bahn network, connecting key districts and the airport with the city center.
|
E15595
|
NE FINISHED |
How this triple was built (4 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 U2 | Statement: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U2]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nuremberg U-Bahn Line U2 Context triple: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U2]
-
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.
Berlin U-Bahn line U2
Berlin U-Bahn line U2 is one of the main metro lines in Berlin, running east–west across the city and connecting key central districts and landmarks.
-
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.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Nuremberg U-Bahn Line U2 Triple: [Nuremberg U-Bahn DT2 trains, usedOnLine, Nuremberg U-Bahn Line U2]
Generated description
Nuremberg U-Bahn Line U2 is a major rapid transit line in the Nuremberg U-Bahn network, connecting key districts and the airport with the city center.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nuremberg U-Bahn Line U2 Target entity description: Nuremberg U-Bahn Line U2 is a major rapid transit line in the Nuremberg U-Bahn network, connecting key districts and the airport with the city center.
-
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 U2
Berlin U-Bahn line U2 is one of the main metro lines in Berlin, running east–west across the city and connecting key central districts and landmarks.
-
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.
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.
- F. None of above.
Provenance (5 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. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0385356fb881908a642b6c301f490f |
completed | May 12, 2026, 7:53 p.m. |
| NEDg | Description generation | batch_6a0388b70cd88190ab3dfd23a00dc931 |
completed | May 12, 2026, 8:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a03890ca09881908b58523e06742a08 |
completed | May 12, 2026, 8:09 p.m. |
Created at: April 10, 2026, 10:25 a.m.