Triple

T13233660
Position Surface form Disambiguated ID Type / Status
Subject Tatra T1 E315084 entity
Predicate technologyBasedOn P38305 FINISHED
Object PCC streetcar design E79857 NE FINISHED

How this triple was built (3 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: PCC streetcar design | Statement: [Tatra T1, technologyBasedOn, PCC streetcar design]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: PCC streetcar design
Context triple: [Tatra T1, technologyBasedOn, PCC streetcar design]
  • A. PCC streetcar chosen
    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.
  • B. 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.
  • C. S-Line streetcar
    The S-Line streetcar is a modern streetcar route in the Salt Lake City area that connects the Sugar House neighborhood with the regional light rail network as part of the public transit system.
  • D. 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.
  • E. United Streetcar
    United Streetcar was an American company that manufactured modern streetcars for urban transit systems in the United States.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: technologyBasedOn
Context triple: [Tatra T1, technologyBasedOn, PCC streetcar design]
  • A. technologyBasis chosen
    Indicates that one entity is founded on, enabled by, or fundamentally relies upon the technology provided or represented by another entity.
  • B. technologyUsedBy
    Indicates that a particular technology is employed or utilized by a specified entity.
  • C. technologyUsedIn
    Indicates that a particular technology is employed or applied within a specific process, product, context, or domain.
  • D. technologyPresent
    Indicates that a particular technology exists, is available, or is currently in use in the given context or situation.
  • E. technologyType
    Indicates the specific kind or category of technology associated with an entity or relationship.
  • F. None of above.

Provenance (4 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_69d806affc688190a25b6ccc588e9c72 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98d36bdf8819099949b1e0e6902d3 completed April 10, 2026, 11:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69f72664b9a48190a76e0c3dfaaf3d7a completed May 3, 2026, 10:41 a.m.
PD Predicate disambiguation batch_69d98bcb21648190aef241de1e7887e2 completed April 10, 2026, 11:46 p.m.
Created at: April 9, 2026, 9:22 p.m.