Triple

T5183681
Position Surface form Disambiguated ID Type / Status
Subject TECO Line Streetcar System E116979 entity
Predicate hasRollingStock P1305 FINISHED
Object Birney replica streetcars
Birney replica streetcars are modern-built streetcars designed to resemble early 20th-century Birney safety cars, used primarily for heritage and tourist-oriented tram services.
E500767 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: Birney replica streetcars | Statement: [TECO Line Streetcar System, hasRollingStock, Birney replica streetcars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Birney replica streetcars
Context triple: [TECO Line Streetcar System, hasRollingStock, Birney replica streetcars]
  • A. Brill streetcar
    The Brill streetcar is a historic electric tramcar model built by the J.G. Brill Company, known for its early 20th-century use in urban street railway systems and preservation in heritage streetcar fleets.
  • B. 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.
  • C. San Francisco Muni historic streetcars
    San Francisco Muni historic streetcars are a fleet of restored vintage streetcars from around the world that operate as regular public transit along San Francisco’s F-Market & Wharves and E-Embarcadero lines.
  • D. Sun Link modern streetcar
    Sun Link modern streetcar is Tucson’s electric streetcar system that provides fixed-rail public transit service through the city’s central corridors.
  • E. Peter Witt streetcar
    The Peter Witt streetcar is a historic early 20th-century tram design, originally developed in Cleveland and widely adopted in North American and European cities for its efficient boarding layout and distinctive classic appearance.
  • 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: Birney replica streetcars
Triple: [TECO Line Streetcar System, hasRollingStock, Birney replica streetcars]
Generated description
Birney replica streetcars are modern-built streetcars designed to resemble early 20th-century Birney safety cars, used primarily for heritage and tourist-oriented tram services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Birney replica streetcars
Target entity description: Birney replica streetcars are modern-built streetcars designed to resemble early 20th-century Birney safety cars, used primarily for heritage and tourist-oriented tram services.
  • A. Brill streetcar
    The Brill streetcar is a historic electric tramcar model built by the J.G. Brill Company, known for its early 20th-century use in urban street railway systems and preservation in heritage streetcar fleets.
  • B. 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.
  • C. San Francisco Muni historic streetcars
    San Francisco Muni historic streetcars are a fleet of restored vintage streetcars from around the world that operate as regular public transit along San Francisco’s F-Market & Wharves and E-Embarcadero lines.
  • D. Sun Link modern streetcar
    Sun Link modern streetcar is Tucson’s electric streetcar system that provides fixed-rail public transit service through the city’s central corridors.
  • E. Peter Witt streetcar
    The Peter Witt streetcar is a historic early 20th-century tram design, originally developed in Cleveland and widely adopted in North American and European cities for its efficient boarding layout and distinctive classic appearance.
  • 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_69bd44620ff48190bcac01782107a397 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd799eb90c8190b738e9478699180f completed March 20, 2026, 4:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69bee0815d848190bacd5ec6a778d91e completed March 21, 2026, 6:16 p.m.
NEDg Description generation batch_69bee58e4c748190bc216bd68c70e863 completed March 21, 2026, 6:38 p.m.
NED2 Entity disambiguation (via description) batch_69bee631b5e081908da0d0ffed1ff6b3 completed March 21, 2026, 6:40 p.m.
Created at: March 20, 2026, 1:46 p.m.