Triple
T16443223
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | S46 (Berlin S-Bahn line) |
E399358
|
entity |
| Predicate | railwaySignalling |
P19148
|
FINISHED |
| Object |
Berlin S-Bahn signalling system
The Berlin S-Bahn signalling system is a dedicated urban rail control and safety infrastructure that manages train movements, headways, and route protection across the Berlin S-Bahn network.
|
E26713
|
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: Berlin S-Bahn signalling system | Statement: [S46 (Berlin S-Bahn line), railwaySignalling, Berlin S-Bahn signalling system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Berlin S-Bahn signalling system Context triple: [S46 (Berlin S-Bahn line), railwaySignalling, Berlin S-Bahn signalling system]
-
A.
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.
-
B.
Berlin S-Bahn
The Berlin S-Bahn is a rapid transit railway network serving Berlin and its surrounding areas, integrating suburban and urban rail services across the metropolitan region.
-
C.
Berlin S-Bahn North-South mainline
The Berlin S-Bahn North-South mainline is a major urban rail corridor running through central Berlin, connecting key northern and southern suburban lines via an underground route beneath the city center.
-
D.
Berlin U-Bahn
The Berlin U-Bahn is the German capital’s extensive underground rapid transit system, forming a core part of its public transportation network.
-
E.
S-Bahn Ringbahn
The S-Bahn Ringbahn is Berlin’s circular urban rail line that loops around the inner city, connecting numerous districts and major transport hubs.
- 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: Berlin S-Bahn signalling system Triple: [S46 (Berlin S-Bahn line), railwaySignalling, Berlin S-Bahn signalling system]
Generated description
The Berlin S-Bahn signalling system is a dedicated urban rail control and safety infrastructure that manages train movements, headways, and route protection across the Berlin S-Bahn network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Berlin S-Bahn signalling system Target entity description: The Berlin S-Bahn signalling system is a dedicated urban rail control and safety infrastructure that manages train movements, headways, and route protection across the Berlin S-Bahn network.
-
A.
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.
-
B.
Berlin S-Bahn
chosen
The Berlin S-Bahn is a rapid transit railway network serving Berlin and its surrounding areas, integrating suburban and urban rail services across the metropolitan region.
-
C.
Berlin S-Bahn North-South mainline
The Berlin S-Bahn North-South mainline is a major urban rail corridor running through central Berlin, connecting key northern and southern suburban lines via an underground route beneath the city center.
-
D.
Berlin U-Bahn
The Berlin U-Bahn is the German capital’s extensive underground rapid transit system, forming a core part of its public transportation network.
-
E.
S-Bahn Ringbahn
The S-Bahn Ringbahn is Berlin’s circular urban rail line that loops around the inner city, connecting numerous districts and major transport hubs.
- 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_69d87f2c6778819080fcfae53be8f12a |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e32cd8d2988190acb5722a15623319 |
completed | April 18, 2026, 7:03 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00458f8f3c8190ad5eff2ad2a32dea |
completed | May 10, 2026, 8:45 a.m. |
| NEDg | Description generation | batch_6a00461390608190848c3b896042f1fd |
completed | May 10, 2026, 8:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0046a88e048190baa78506808171b8 |
completed | May 10, 2026, 8:49 a.m. |
Created at: April 10, 2026, 5:10 a.m.