Triple
T3848790
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Berlin U-Bahn line U4 |
E85238
|
entity |
| Predicate | originalOperator |
P179
|
FINISHED |
| Object |
Schöneberg municipal railway
Schöneberg municipal railway was a local transit company in Berlin that originally developed and operated the short U4 underground line serving the Schöneberg district.
|
E392753
|
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: Schöneberg municipal railway | Statement: [Berlin U-Bahn line U4, originalOperator, Schöneberg municipal railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Schöneberg municipal railway Context triple: [Berlin U-Bahn line U4, originalOperator, Schöneberg municipal railway]
-
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.
Frankfurt U-Bahn
The Frankfurt U-Bahn is the rapid transit system serving Frankfurt am Main, Germany, forming a core part of the city's public transportation network with multiple underground and surface lines.
-
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.
Adlershof S-Bahn station
Adlershof S-Bahn station is a Berlin suburban railway stop that serves the Adlershof district, providing key public transit access to the nearby science and technology campus and surrounding neighborhoods.
-
E.
Berlin-Schöneberg station
Berlin-Schöneberg station is a railway station in Berlin’s Schöneberg district, serving as a local transport hub for S-Bahn and regional rail services.
- 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: Schöneberg municipal railway Triple: [Berlin U-Bahn line U4, originalOperator, Schöneberg municipal railway]
Generated description
Schöneberg municipal railway was a local transit company in Berlin that originally developed and operated the short U4 underground line serving the Schöneberg district.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Schöneberg municipal railway Target entity description: Schöneberg municipal railway was a local transit company in Berlin that originally developed and operated the short U4 underground line serving the Schöneberg district.
-
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.
Frankfurt U-Bahn
The Frankfurt U-Bahn is the rapid transit system serving Frankfurt am Main, Germany, forming a core part of the city's public transportation network with multiple underground and surface lines.
-
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.
Adlershof S-Bahn station
Adlershof S-Bahn station is a Berlin suburban railway stop that serves the Adlershof district, providing key public transit access to the nearby science and technology campus and surrounding neighborhoods.
-
E.
Berlin-Schöneberg station
Berlin-Schöneberg station is a railway station in Berlin’s Schöneberg district, serving as a local transport hub for S-Bahn and regional rail services.
- F. None of above. chosen
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_69aed936de1c81908f91bed80f70abb2 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aeebcde86081908cf3840ae002acfa |
completed | March 9, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b504172d58819089d19f5cb7b803ec |
completed | March 14, 2026, 6:45 a.m. |
| NEDg | Description generation | batch_69b504f32da48190a561cc72f0c4e827 |
completed | March 14, 2026, 6:49 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5064192a48190a0f95dee872437e0 |
completed | March 14, 2026, 6:54 a.m. |
Created at: March 9, 2026, 3:19 p.m.