Triple
T11745191
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bielefeld |
E279260
|
entity |
| Predicate | hasPublicTransportSystem |
P474
|
FINISHED |
| Object |
Stadtbahn Bielefeld
Stadtbahn Bielefeld is a light rail and tram system serving the German city of Bielefeld and its surrounding areas.
|
E944570
|
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: Stadtbahn Bielefeld | Statement: [Bielefeld, hasPublicTransportSystem, Stadtbahn Bielefeld]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stadtbahn Bielefeld Context triple: [Bielefeld, hasPublicTransportSystem, Stadtbahn Bielefeld]
-
A.
Cologne Stadtbahn
The Cologne Stadtbahn is a light rail and rapid transit network serving Cologne and its surrounding region, integrating underground and surface lines for urban and suburban transportation.
-
B.
Wuppertal–Hagen railway
The Wuppertal–Hagen railway is a major rail line in western Germany that connects the city of Wuppertal with Hagen and forms part of an important regional and long-distance transport corridor in North Rhine-Westphalia.
-
C.
Hanover Stadtbahn
The Hanover Stadtbahn is a light rail and tram system serving the city of Hanover, Germany, providing high-capacity urban and suburban public transport through a network of surface and underground lines.
-
D.
Rhine-Ruhr S-Bahn
The Rhine-Ruhr S-Bahn is a regional rapid transit network serving the densely populated Rhine-Ruhr metropolitan area in western Germany, connecting major cities such as Duisburg, Düsseldorf, Essen, and Dortmund.
-
E.
Berlin Stadtbahn
Berlin Stadtbahn is a major elevated east–west railway corridor in Berlin that carries S-Bahn and regional trains through the city’s central 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: Stadtbahn Bielefeld Triple: [Bielefeld, hasPublicTransportSystem, Stadtbahn Bielefeld]
Generated description
Stadtbahn Bielefeld is a light rail and tram system serving the German city of Bielefeld and its surrounding areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stadtbahn Bielefeld Target entity description: Stadtbahn Bielefeld is a light rail and tram system serving the German city of Bielefeld and its surrounding areas.
-
A.
Cologne Stadtbahn
The Cologne Stadtbahn is a light rail and rapid transit network serving Cologne and its surrounding region, integrating underground and surface lines for urban and suburban transportation.
-
B.
Wuppertal–Hagen railway
The Wuppertal–Hagen railway is a major rail line in western Germany that connects the city of Wuppertal with Hagen and forms part of an important regional and long-distance transport corridor in North Rhine-Westphalia.
-
C.
Hanover Stadtbahn
The Hanover Stadtbahn is a light rail and tram system serving the city of Hanover, Germany, providing high-capacity urban and suburban public transport through a network of surface and underground lines.
-
D.
Rhine-Ruhr S-Bahn
The Rhine-Ruhr S-Bahn is a regional rapid transit network serving the densely populated Rhine-Ruhr metropolitan area in western Germany, connecting major cities such as Duisburg, Düsseldorf, Essen, and Dortmund.
-
E.
Berlin Stadtbahn
Berlin Stadtbahn is a major elevated east–west railway corridor in Berlin that carries S-Bahn and regional trains through the city’s central districts.
- 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_69d6ab01038c819080714901502c84fc |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a4f2a38c8190a682d8dae1ab9415 |
completed | April 10, 2026, 7:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f019e4f0988190afe0b92f4c9d8073 |
completed | April 28, 2026, 2:22 a.m. |
| NEDg | Description generation | batch_69f043b3c51c8190a764433e86f1333e |
completed | April 28, 2026, 5:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f05aa351888190a31092e6a9aee26b |
completed | April 28, 2026, 6:58 a.m. |
Created at: April 8, 2026, 9:41 p.m.