Triple

T17151667
Position Surface form Disambiguated ID Type / Status
Subject Smithfield Street Bridge E416235 entity
Predicate heritageDesignation P623 FINISHED
Object Pittsburgh History & Landmarks Foundation Historic Landmark E85019 NE FINISHED

How this triple was built (2 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: Pittsburgh History & Landmarks Foundation Historic Landmark | Statement: [Smithfield Street Bridge, heritageDesignation, Pittsburgh History & Landmarks Foundation Historic Landmark]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pittsburgh History & Landmarks Foundation Historic Landmark
Context triple: [Smithfield Street Bridge, heritageDesignation, Pittsburgh History & Landmarks Foundation Historic Landmark]
  • A. Pittsburgh History and Landmarks Foundation Historic Landmark chosen
    Pittsburgh History and Landmarks Foundation Historic Landmark is a designation awarded by a regional preservation organization to recognize and protect historically and architecturally significant sites in the Pittsburgh area.
  • B. Pittsburgh History & Landmarks Foundation
    The Pittsburgh History & Landmarks Foundation is a nonprofit preservation organization dedicated to protecting and promoting the architectural and historic heritage of Pittsburgh and its surrounding region.
  • C. City of Pittsburgh Historic Review Commission
    The City of Pittsburgh Historic Review Commission is a municipal body responsible for designating and overseeing the preservation of historic landmarks and districts within Pittsburgh.
  • D. Pittsburgh Point Historic District
    Pittsburgh Point Historic District is a historically significant area at the confluence of Pittsburgh’s three rivers, known for its preserved 18th-century fort sites and its integration with Point State Park.
  • E. National Register of Historic Places in Philadelphia
    The National Register of Historic Places in Philadelphia is the official federal list recognizing the city’s historically and architecturally significant buildings, sites, districts, structures, and objects worthy of preservation.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d886d279c081909f8ff1f743ddeb69 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3f40775848190ada44742c0113ab3 completed April 18, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0170e362048190beb72cd6aab496fb completed May 11, 2026, 6:02 a.m.
Created at: April 10, 2026, 5:36 a.m.