Triple
T6024795
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sun Link modern streetcar |
E134148
|
entity |
| Predicate | vehicleManufacturer |
P66170
|
FINISHED |
| Object |
United Streetcar
United Streetcar was an American company that manufactured modern streetcars for urban transit systems in the United States.
|
E564761
|
NE FINISHED |
How this triple was built (5 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: United Streetcar | Statement: [Sun Link modern streetcar, vehicleManufacturer, United Streetcar]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: United Streetcar Context triple: [Sun Link modern streetcar, vehicleManufacturer, United Streetcar]
-
A.
M-Line Streetcar
The M-Line Streetcar is a heritage streetcar service in Dallas, Texas, that operates vintage trolleys through the Uptown area and connects to downtown.
-
B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
DART streetcar
The DART streetcar is a modern urban rail transit service in Dallas, Texas, providing short-distance connections through the downtown and nearby districts as part of the city’s public transportation system.
-
D.
PCC streetcar
The PCC streetcar is a standardized, streamlined electric tram design introduced in the 1930s that became one of the most widely used and influential streetcar types in North America and beyond.
-
E.
Seattle Streetcar
The Seattle Streetcar is a modern electric streetcar system providing urban transit service along key corridors in Seattle, Washington.
- 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: United Streetcar Triple: [Sun Link modern streetcar, vehicleManufacturer, United Streetcar]
Generated description
United Streetcar was an American company that manufactured modern streetcars for urban transit systems in the United States.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: United Streetcar Target entity description: United Streetcar was an American company that manufactured modern streetcars for urban transit systems in the United States.
-
A.
M-Line Streetcar
The M-Line Streetcar is a heritage streetcar service in Dallas, Texas, that operates vintage trolleys through the Uptown area and connects to downtown.
-
B.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
C.
DART streetcar
The DART streetcar is a modern urban rail transit service in Dallas, Texas, providing short-distance connections through the downtown and nearby districts as part of the city’s public transportation system.
-
D.
PCC streetcar
The PCC streetcar is a standardized, streamlined electric tram design introduced in the 1930s that became one of the most widely used and influential streetcar types in North America and beyond.
-
E.
Seattle Streetcar
The Seattle Streetcar is a modern electric streetcar system providing urban transit service along key corridors in Seattle, Washington.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: vehicleManufacturer Context triple: [Sun Link modern streetcar, vehicleManufacturer, United Streetcar]
-
A.
carManufacturer
chosen
Indicates that one entity is the company that produces or manufactures the car represented by the other entity.
-
B.
vehicleManufacturerHosted
Indicates that a vehicle manufacturer organized, sponsored, or served as the host for a particular event or activity.
-
C.
carModel
Indicates the specific model designation of a car within a particular make or brand.
-
D.
vehicleName
Indicates the specific name or designation assigned to a vehicle.
-
E.
fieldedCarBrand
Indicates that a particular car brand has been entered, deployed, or represented (e.g., in a race, event, or lineup) by some agent or organization.
- F. None of above.
Provenance (6 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_69c008742a5c8190b9cb9c2787a3d8b3 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c04fbf048081908b0da0cf838730a5 |
completed | March 22, 2026, 8:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c11375b4448190ad3087b21ac67329 |
completed | March 23, 2026, 10:18 a.m. |
| NEDg | Description generation | batch_69c11551bec88190be77db3ec96045ad |
completed | March 23, 2026, 10:26 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c115f88e948190a3ea11b33742779c |
completed | March 23, 2026, 10:29 a.m. |
| PD | Predicate disambiguation | batch_69c049e75b3881908be106fbcf8c68d4 |
completed | March 22, 2026, 7:58 p.m. |
Created at: March 22, 2026, 4:07 p.m.