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.