Triple
T13740490
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Wales Metro |
E330071
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object |
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.
|
E1057712
|
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: Stadler Citylink tram-trains | Statement: [South Wales Metro, usesRollingStock, Stadler Citylink tram-trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stadler Citylink tram-trains Context triple: [South Wales Metro, usesRollingStock, Stadler Citylink tram-trains]
-
A.
Stadler Variobahn trams
Stadler Variobahn trams are a family of low-floor, modular light rail vehicles designed for urban tramway systems and produced by the Swiss manufacturer Stadler Rail.
-
B.
Stadler Tango trams
Stadler Tango trams are modern, low-floor light rail vehicles built by Stadler Rail, commonly used in European cities for high-capacity, urban public transport services.
-
C.
Stadler KISS double-deck EMU
The Stadler KISS double-deck EMU is a high-capacity, electric multiple-unit commuter train known for its bi-level design, rapid acceleration, and use on regional and suburban rail services in various countries.
-
D.
Vossloh Citylink tram-train vehicles
Vossloh Citylink tram-train vehicles are modern, dual-mode light rail units designed to operate seamlessly on both urban tram networks and mainline railway tracks.
-
E.
Stadler FLIRT multiple units
Stadler FLIRT multiple units are modern, low-floor electric multiple-unit trains built by Stadler Rail, widely used across Europe for regional and commuter 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: Stadler Citylink tram-trains Triple: [South Wales Metro, usesRollingStock, Stadler Citylink tram-trains]
Generated description
Stadler Citylink tram-trains are modern, bi-mode light rail vehicles designed for flexible operation on both urban tramways and mainline railway tracks.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stadler Citylink tram-trains Target entity description: Stadler Citylink tram-trains are modern, bi-mode light rail vehicles designed for flexible operation on both urban tramways and mainline railway tracks.
-
A.
Stadler Variobahn trams
Stadler Variobahn trams are a family of low-floor, modular light rail vehicles designed for urban tramway systems and produced by the Swiss manufacturer Stadler Rail.
-
B.
Stadler Tango trams
Stadler Tango trams are modern, low-floor light rail vehicles built by Stadler Rail, commonly used in European cities for high-capacity, urban public transport services.
-
C.
Stadler KISS double-deck EMU
The Stadler KISS double-deck EMU is a high-capacity, electric multiple-unit commuter train known for its bi-level design, rapid acceleration, and use on regional and suburban rail services in various countries.
-
D.
Vossloh Citylink tram-train vehicles
Vossloh Citylink tram-train vehicles are modern, dual-mode light rail units designed to operate seamlessly on both urban tram networks and mainline railway tracks.
-
E.
Stadler FLIRT multiple units
Stadler FLIRT multiple units are modern, low-floor electric multiple-unit trains built by Stadler Rail, widely used across Europe for regional and commuter 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_69d80772315881908f980cae40d91664 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69de0206a4b88190a60914e2b43e54f9 |
completed | April 14, 2026, 8:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f79d6bce9881909209231f6dfcf9bf |
completed | May 3, 2026, 7:09 p.m. |
| NEDg | Description generation | batch_69f79e7869648190ab0157bd0480b219 |
completed | May 3, 2026, 7:14 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f79f7216b08190800165d46172222c |
completed | May 3, 2026, 7:18 p.m. |
Created at: April 9, 2026, 9:55 p.m.