Triple

T16315293
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania trolley gauge E396156 entity
Predicate historicallyUsedBy P2834 FINISHED
Object York streetcar system
The York streetcar system was a historic electric trolley network that once provided urban public transit service in York, Pennsylvania.
 E1206513 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: York streetcar system | Statement: [Pennsylvania trolley gauge, historicallyUsedBy, York streetcar system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: York streetcar system
Context triple: [Pennsylvania trolley gauge, historicallyUsedBy, York streetcar system]
  • A. King streetcar line
    The King streetcar line is a major Toronto streetcar route that runs along King Street, providing key east–west transit service through downtown and several neighborhoods including Parkdale.
  • B. College Street streetcar
    The College Street streetcar is a Toronto Transit Commission streetcar route that runs along College Street, serving key downtown neighborhoods including the Discovery District.
  • C. Broadway streetcar line
    The Broadway streetcar line was a former New York City streetcar route that once ran along Broadway in Manhattan before being discontinued and replaced by bus service.
  • D. Dallas Streetcar
    Dallas Streetcar is a modern, free-to-ride streetcar line in Dallas, Texas, providing light rail-style transit between downtown and the Oak Cliff area.
  • E. Sharon streetcar system
    The Sharon streetcar system was a historic electric trolley network that once served the city of Sharon, Pennsylvania and its surrounding area.
  • 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: York streetcar system
Triple: [Pennsylvania trolley gauge, historicallyUsedBy, York streetcar system]
Generated description
The York streetcar system was a historic electric trolley network that once provided urban public transit service in York, Pennsylvania.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: York streetcar system
Target entity description: The York streetcar system was a historic electric trolley network that once provided urban public transit service in York, Pennsylvania.
  • A. King streetcar line
    The King streetcar line is a major Toronto streetcar route that runs along King Street, providing key east–west transit service through downtown and several neighborhoods including Parkdale.
  • B. College Street streetcar
    The College Street streetcar is a Toronto Transit Commission streetcar route that runs along College Street, serving key downtown neighborhoods including the Discovery District.
  • C. Broadway streetcar line
    The Broadway streetcar line was a former New York City streetcar route that once ran along Broadway in Manhattan before being discontinued and replaced by bus service.
  • D. Dallas Streetcar
    Dallas Streetcar is a modern, free-to-ride streetcar line in Dallas, Texas, providing light rail-style transit between downtown and the Oak Cliff area.
  • E. Sharon streetcar system
    The Sharon streetcar system was a historic electric trolley network that once served the city of Sharon, Pennsylvania and its surrounding area.
  • 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_69d87f255b788190a400eba031dd85d8 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e288de57cc81908cec93309347c385 completed April 17, 2026, 7:24 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0026044a5881908773e286fb1a6e3e completed May 10, 2026, 6:30 a.m.
NEDg Description generation batch_6a0026c9b5c481908f60d2ebfb3f71d7 completed May 10, 2026, 6:33 a.m.
NED2 Entity disambiguation (via description) batch_6a00273dd8fc8190b84b8a96442781ee completed May 10, 2026, 6:35 a.m.
Created at: April 10, 2026, 5:06 a.m.