Triple
T6335705
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | S2 |
E142484
|
entity |
| Predicate | usesInfrastructure |
P6820
|
FINISHED |
| Object |
Berlin S-Bahn Nord-Süd-Tunnel
The Berlin S-Bahn Nord-Süd-Tunnel is a central underground railway tunnel in Berlin that carries multiple S-Bahn lines beneath the city’s core, connecting northern and southern suburban routes.
|
E586025
|
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 Nord-Süd-Tunnel | Statement: [S2, usesInfrastructure, Berlin S-Bahn Nord-Süd-Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Berlin S-Bahn Nord-Süd-Tunnel Context triple: [S2, usesInfrastructure, Berlin S-Bahn Nord-Süd-Tunnel]
-
A.
Tiergarten tunnel
The Tiergarten tunnel is a major road and rail tunnel in central Berlin that carries traffic beneath the Tiergarten park, helping to connect key parts of the city’s transport network.
-
B.
Elbe Tunnel (Hamburg)
The Elbe Tunnel in Hamburg is a major underwater road tunnel beneath the River Elbe that forms a key traffic artery connecting the northern and southern parts of the city.
-
C.
Berliner Tor
Berliner Tor is a historic city gate in Wesel, Germany, notable for its baroque architecture and role in the town’s former fortifications.
-
D.
Zimmerberg Base Tunnel
The Zimmerberg Base Tunnel is a major Swiss railway tunnel that provides a fast, low-gradient route for passenger and freight trains between Zurich and central Switzerland.
-
E.
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.
- 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 Nord-Süd-Tunnel Triple: [S2, usesInfrastructure, Berlin S-Bahn Nord-Süd-Tunnel]
Generated description
The Berlin S-Bahn Nord-Süd-Tunnel is a central underground railway tunnel in Berlin that carries multiple S-Bahn lines beneath the city’s core, connecting northern and southern suburban routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Berlin S-Bahn Nord-Süd-Tunnel Target entity description: The Berlin S-Bahn Nord-Süd-Tunnel is a central underground railway tunnel in Berlin that carries multiple S-Bahn lines beneath the city’s core, connecting northern and southern suburban routes.
-
A.
Tiergarten tunnel
The Tiergarten tunnel is a major road and rail tunnel in central Berlin that carries traffic beneath the Tiergarten park, helping to connect key parts of the city’s transport network.
-
B.
Elbe Tunnel (Hamburg)
The Elbe Tunnel in Hamburg is a major underwater road tunnel beneath the River Elbe that forms a key traffic artery connecting the northern and southern parts of the city.
-
C.
Berliner Tor
Berliner Tor is a historic city gate in Wesel, Germany, notable for its baroque architecture and role in the town’s former fortifications.
-
D.
Zimmerberg Base Tunnel
The Zimmerberg Base Tunnel is a major Swiss railway tunnel that provides a fast, low-gradient route for passenger and freight trains between Zurich and central Switzerland.
-
E.
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.
- 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_69c008d4d8e88190ad301c05b08722ac |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c0654a88a881908d5cb2aa7f22c4c7 |
completed | March 22, 2026, 9:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6042ab22c8190a7486049f45a546b |
completed | March 27, 2026, 4:14 a.m. |
| NEDg | Description generation | batch_69c6056435b481908a63a880b7bcd489 |
completed | March 27, 2026, 4:19 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c605f2369c819080fd52282b20437e |
completed | March 27, 2026, 4:22 a.m. |
Created at: March 22, 2026, 4:30 p.m.