Triple
T12409752
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Scarborough Rapid Transit |
E296483
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
Bombardier ICTS Mark I cars
Bombardier ICTS Mark I cars are early-generation automated light rail vehicles that use linear induction motor technology and were widely deployed on medium-capacity urban transit lines such as Toronto’s Scarborough RT.
|
E982542
|
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: Bombardier ICTS Mark I cars | Statement: [Scarborough Rapid Transit, rollingStock, Bombardier ICTS Mark I cars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bombardier ICTS Mark I cars Context triple: [Scarborough Rapid Transit, rollingStock, Bombardier ICTS Mark I cars]
-
A.
Bombardier BiLevel Coach
The Bombardier BiLevel Coach is a double-decker commuter rail car widely used across North America to increase passenger capacity on regional and suburban train services.
-
B.
M4 railcar
The M4 railcar is an electric multiple-unit passenger train used in commuter rail service, notably on lines such as the New Haven Line.
-
C.
Siemens SD160 LRVs
The Siemens SD160 LRVs are a series of modern, high-floor light rail vehicles widely used across North American transit systems for urban passenger service.
-
D.
Mark II SkyTrain cars
Mark II SkyTrain cars are a generation of automated, driverless rapid transit vehicles used on Vancouver’s SkyTrain system, featuring articulated, higher-capacity design for urban metro service.
-
E.
Siemens U2 LRVs
Siemens U2 LRVs are a series of high-floor light rail vehicles built by Siemens for urban transit systems, widely used in early North American and European light rail networks.
- 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: Bombardier ICTS Mark I cars Triple: [Scarborough Rapid Transit, rollingStock, Bombardier ICTS Mark I cars]
Generated description
Bombardier ICTS Mark I cars are early-generation automated light rail vehicles that use linear induction motor technology and were widely deployed on medium-capacity urban transit lines such as Toronto’s Scarborough RT.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bombardier ICTS Mark I cars Target entity description: Bombardier ICTS Mark I cars are early-generation automated light rail vehicles that use linear induction motor technology and were widely deployed on medium-capacity urban transit lines such as Toronto’s Scarborough RT.
-
A.
Bombardier BiLevel Coach
The Bombardier BiLevel Coach is a double-decker commuter rail car widely used across North America to increase passenger capacity on regional and suburban train services.
-
B.
M4 railcar
The M4 railcar is an electric multiple-unit passenger train used in commuter rail service, notably on lines such as the New Haven Line.
-
C.
Siemens SD160 LRVs
The Siemens SD160 LRVs are a series of modern, high-floor light rail vehicles widely used across North American transit systems for urban passenger service.
-
D.
Mark II SkyTrain cars
Mark II SkyTrain cars are a generation of automated, driverless rapid transit vehicles used on Vancouver’s SkyTrain system, featuring articulated, higher-capacity design for urban metro service.
-
E.
Siemens U2 LRVs
Siemens U2 LRVs are a series of high-floor light rail vehicles built by Siemens for urban transit systems, widely used in early North American and European light rail networks.
- 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_69d6ad9f464c81909db36d7e96e34b9e |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94d4b86c88190afba0de15b34eee9 |
completed | April 10, 2026, 7:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6348af5a8819083a075d145b15fd4 |
completed | May 2, 2026, 5:29 p.m. |
| NEDg | Description generation | batch_69f638cbb6dc8190a80ffe3430337855 |
completed | May 2, 2026, 5:47 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6397a3458819095b94ae7f9d5f106 |
completed | May 2, 2026, 5:50 p.m. |
Created at: April 8, 2026, 9:55 p.m.