Triple
T14109814
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | C line (Copenhagen S-train) |
E339604
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object |
Copenhagen S-train 4th generation trains
Copenhagen S-train 4th generation trains are a series of electric multiple units used on Copenhagen’s suburban rail network, known for their modern design, high frequency operation, and role as the backbone of the S-train system.
|
E1079518
|
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: Copenhagen S-train 4th generation trains | Statement: [C line (Copenhagen S-train), hasRollingStock, Copenhagen S-train 4th generation trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Copenhagen S-train 4th generation trains Context triple: [C line (Copenhagen S-train), hasRollingStock, Copenhagen S-train 4th generation trains]
-
A.
Stadler Citylink tram-trains
Stadler Citylink tram-trains are modern, bi-mode light rail vehicles designed for flexible operation on both urban tramways and mainline railway tracks.
-
B.
Siemens Inspiro trains
Siemens Inspiro trains are a modern, energy-efficient metro train family designed by Siemens for urban rapid transit systems worldwide.
-
C.
X'Trapolis EMU
The X'Trapolis EMU is a modern electric multiple unit train used for suburban passenger services on Melbourne’s metropolitan rail network.
-
D.
Alstom Citadis tram
The Alstom Citadis tram is a family of modern low-floor light rail vehicles widely used in urban tram networks around the world.
-
E.
Siemens Viaggio Next Level trainsets
Siemens Viaggio Next Level trainsets are modern, long-distance passenger trains developed by Siemens Mobility, known for their comfort-focused design and use in next-generation European night train 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: Copenhagen S-train 4th generation trains Triple: [C line (Copenhagen S-train), hasRollingStock, Copenhagen S-train 4th generation trains]
Generated description
Copenhagen S-train 4th generation trains are a series of electric multiple units used on Copenhagen’s suburban rail network, known for their modern design, high frequency operation, and role as the backbone of the S-train system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Copenhagen S-train 4th generation trains Target entity description: Copenhagen S-train 4th generation trains are a series of electric multiple units used on Copenhagen’s suburban rail network, known for their modern design, high frequency operation, and role as the backbone of the S-train system.
-
A.
Stadler Citylink tram-trains
Stadler Citylink tram-trains are modern, bi-mode light rail vehicles designed for flexible operation on both urban tramways and mainline railway tracks.
-
B.
Siemens Inspiro trains
Siemens Inspiro trains are a modern, energy-efficient metro train family designed by Siemens for urban rapid transit systems worldwide.
-
C.
X'Trapolis EMU
The X'Trapolis EMU is a modern electric multiple unit train used for suburban passenger services on Melbourne’s metropolitan rail network.
-
D.
Alstom Citadis tram
The Alstom Citadis tram is a family of modern low-floor light rail vehicles widely used in urban tram networks around the world.
-
E.
Siemens Viaggio Next Level trainsets
Siemens Viaggio Next Level trainsets are modern, long-distance passenger trains developed by Siemens Mobility, known for their comfort-focused design and use in next-generation European night train 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_69d81c69b5c8819094aa1abf18302908 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de600caf308190ab6d8451ed4e3797 |
completed | April 14, 2026, 3:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcd0b699108190993f1102418ecff1 |
completed | May 7, 2026, 5:49 p.m. |
| NEDg | Description generation | batch_69fcd2d99c4c8190baf15d470ead7b1c |
completed | May 7, 2026, 5:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fcd3853e848190a210d1c8c08bd6cc |
completed | May 7, 2026, 6:01 p.m. |
Created at: April 9, 2026, 10:22 p.m.