Triple
T8142069
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alstom multiple units |
E190120
|
entity |
| Predicate | hasSubclass |
P1244
|
FINISHED |
| Object |
Alstom X’Trapolis 500
The Alstom X’Trapolis 500 is a modern electric multiple unit train platform developed by Alstom for high-capacity, high-frequency suburban and regional passenger services.
|
E605705
|
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: Alstom X’Trapolis 500 | Statement: [Alstom multiple units, hasSubclass, Alstom X’Trapolis 500]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alstom X’Trapolis 500 Context triple: [Alstom multiple units, hasSubclass, Alstom X’Trapolis 500]
-
A.
Alstom Eurotram
The Alstom Eurotram is a distinctive low-floor light rail vehicle known for its sleek, modern design and panoramic windows, widely used on urban tram networks in Europe.
-
B.
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.
-
C.
Alstom Metropolis
Alstom Metropolis is a family of modern, high-capacity metro trains manufactured by Alstom and used in urban rapid transit systems worldwide.
-
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.
Alstom Coradia Polyvalent
The Alstom Coradia Polyvalent is a family of modern regional and intercity multiple-unit trains designed for flexible operation, including electric and dual-mode configurations, widely used across France and other European countries.
- 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: Alstom X’Trapolis 500 Triple: [Alstom multiple units, hasSubclass, Alstom X’Trapolis 500]
Generated description
The Alstom X’Trapolis 500 is a modern electric multiple unit train platform developed by Alstom for high-capacity, high-frequency suburban and regional passenger services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Alstom X’Trapolis 500 Target entity description: The Alstom X’Trapolis 500 is a modern electric multiple unit train platform developed by Alstom for high-capacity, high-frequency suburban and regional passenger services.
-
A.
Alstom Eurotram
The Alstom Eurotram is a distinctive low-floor light rail vehicle known for its sleek, modern design and panoramic windows, widely used on urban tram networks in Europe.
-
B.
X'Trapolis EMU
chosen
The X'Trapolis EMU is a modern electric multiple unit train used for suburban passenger services on Melbourne’s metropolitan rail network.
-
C.
Alstom Metropolis
Alstom Metropolis is a family of modern, high-capacity metro trains manufactured by Alstom and used in urban rapid transit systems worldwide.
-
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.
Alstom Coradia Polyvalent
The Alstom Coradia Polyvalent is a family of modern regional and intercity multiple-unit trains designed for flexible operation, including electric and dual-mode configurations, widely used across France and other European countries.
- 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_69ca82bd9900819099477cdc2eb4244f |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb4443a3748190bbae79f1d673c03d |
completed | March 31, 2026, 3:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd679a353c8190abe30eb7db13c072 |
completed | April 1, 2026, 6:44 p.m. |
| NEDg | Description generation | batch_69cd6c1f75748190b119acd0d92f2ef9 |
completed | April 1, 2026, 7:03 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cd7da4f3a0819080eed3d03c293789 |
completed | April 1, 2026, 8:18 p.m. |
Created at: March 30, 2026, 5:36 p.m.