Triple

T22041614
Position Surface form Disambiguated ID Type / Status
Subject St. Charles Avenue streetcar line E544648 entity
Predicate usesRollingStockType P1305 FINISHED
Object Perley Thomas streetcars
Perley Thomas streetcars are historic, wooden-bodied electric streetcars built in the early 20th century by the Perley A. Thomas Car Works, best known for their long-standing service in New Orleans.
E1515610 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: Perley Thomas streetcars | Statement: [St. Charles Avenue streetcar line, usesRollingStockType, Perley Thomas streetcars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Perley Thomas streetcars
Context triple: [St. Charles Avenue streetcar line, usesRollingStockType, Perley Thomas 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. 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.
  • C. 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.
  • D. Hiroden streetcar
    The Hiroden streetcar is Hiroshima’s historic tram network, known for its extensive streetcar lines that connect key areas of the city and survived the atomic bombing to become a symbol of Hiroshima’s recovery.
  • E. 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.
  • 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: Perley Thomas streetcars
Triple: [St. Charles Avenue streetcar line, usesRollingStockType, Perley Thomas streetcars]
Generated description
Perley Thomas streetcars are historic, wooden-bodied electric streetcars built in the early 20th century by the Perley A. Thomas Car Works, best known for their long-standing service in New Orleans.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Perley Thomas streetcars
Target entity description: Perley Thomas streetcars are historic, wooden-bodied electric streetcars built in the early 20th century by the Perley A. Thomas Car Works, best known for their long-standing service in New Orleans.
  • 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. 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.
  • C. 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.
  • D. Hiroden streetcar
    The Hiroden streetcar is Hiroshima’s historic tram network, known for its extensive streetcar lines that connect key areas of the city and survived the atomic bombing to become a symbol of Hiroshima’s recovery.
  • E. 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.
  • 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_69e11e32445c8190ab97089b48a130bb completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f12829c1c081909edc7544242c9c7a completed April 28, 2026, 9:35 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a7b6f2a1c819090cfa07e83f24368 completed May 18, 2026, 2:37 a.m.
NEDg Description generation batch_6a0a7c73537481908c644642f825569f completed May 18, 2026, 2:41 a.m.
NED2 Entity disambiguation (via description) batch_6a0a7d29f5a08190b41cad11e2192727 completed May 18, 2026, 2:44 a.m.
Created at: April 16, 2026, 8:25 p.m.