Triple
T15980827
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | STM metro |
E387565
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object |
MPM-10 Azur trains
MPM-10 Azur trains are a modern, fully automated rubber-tired metro train series used on Montreal’s STM subway system.
|
E1188612
|
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: MPM-10 Azur trains | Statement: [STM metro, hasRollingStock, MPM-10 Azur trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MPM-10 Azur trains Context triple: [STM metro, hasRollingStock, MPM-10 Azur trains]
-
A.
MP-68 trains
MP-68 trains are a class of rubber-tyred metro rolling stock that have operated on Mexico City’s Metro system since the late 1960s.
-
B.
Adtranz–CAF EMU trains
Adtranz–CAF EMU trains are electric multiple-unit passenger trains jointly built by Adtranz and CAF, commonly used for high-frequency airport rail services.
-
C.
MI 2N "Eole" trains
The MI 2N "Eole" trains are double-deck electric multiple units designed for high-capacity suburban commuter service on the Paris RER network.
-
D.
Civia EMU
Civia EMU is a class of electric multiple unit commuter trains used by Spain’s Renfe for suburban and regional passenger services.
-
E.
NM-02 trains
NM-02 trains are a model of electric multiple-unit metro cars used on Mexico City Metro’s Line 3, designed for high-capacity urban passenger service.
- 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: MPM-10 Azur trains Triple: [STM metro, hasRollingStock, MPM-10 Azur trains]
Generated description
MPM-10 Azur trains are a modern, fully automated rubber-tired metro train series used on Montreal’s STM subway system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MPM-10 Azur trains Target entity description: MPM-10 Azur trains are a modern, fully automated rubber-tired metro train series used on Montreal’s STM subway system.
-
A.
MP-68 trains
MP-68 trains are a class of rubber-tyred metro rolling stock that have operated on Mexico City’s Metro system since the late 1960s.
-
B.
Adtranz–CAF EMU trains
Adtranz–CAF EMU trains are electric multiple-unit passenger trains jointly built by Adtranz and CAF, commonly used for high-frequency airport rail services.
-
C.
MI 2N "Eole" trains
The MI 2N "Eole" trains are double-deck electric multiple units designed for high-capacity suburban commuter service on the Paris RER network.
-
D.
Civia EMU
Civia EMU is a class of electric multiple unit commuter trains used by Spain’s Renfe for suburban and regional passenger services.
-
E.
NM-02 trains
NM-02 trains are a model of electric multiple-unit metro cars used on Mexico City Metro’s Line 3, designed for high-capacity urban passenger service.
- 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_69d86da94ccc819083d187f5dc6a123e |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e15754e8648190a93b73184db089a7 |
completed | April 16, 2026, 9:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffc3cb0ed48190b35c19f3961f183b |
completed | May 9, 2026, 11:31 p.m. |
| NEDg | Description generation | batch_69ffc5f664148190a1f400c28d31cafe |
completed | May 9, 2026, 11:40 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffc6f9b4f4819092600165241377f6 |
completed | May 9, 2026, 11:44 p.m. |
Created at: April 10, 2026, 4:54 a.m.