Triple

T892942
Position Surface form Disambiguated ID Type / Status
Subject Pittsburgh, Pennsylvania E19280 entity
Predicate hasLandmark P105 FINISHED
Object Cathedral of Learning
The Cathedral of Learning is a 42-story Gothic Revival skyscraper on the University of Pittsburgh campus, renowned as one of the tallest educational buildings in the world.
 E112175 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: Cathedral of Learning | Statement: [Pittsburgh, Pennsylvania, hasLandmark, Cathedral of Learning]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cathedral of Learning
Context triple: [Pittsburgh, Pennsylvania, hasLandmark, Cathedral of Learning]
  • A. Sproul Hall
    Sproul Hall is a prominent administrative building and historic focal point for student activism on the University of California, Berkeley campus.
  • B. Sibley Hall
    Sibley Hall is a historic academic building on Cornell University’s Arts Quad, known for housing the College of Architecture, Art, and Planning.
  • C. Wurster Hall
    Wurster Hall is a prominent Brutalist-style academic building at the University of California, Berkeley, housing the College of Environmental Design’s architecture, landscape architecture, and planning programs.
  • D. McGraw Hall
    McGraw Hall is one of Cornell University's historic academic buildings, prominently located on the Arts Quad and housing various humanities and social science departments.
  • E. Kerr Hall
    Kerr Hall is a major academic and classroom complex at Toronto Metropolitan University in downtown Toronto, known for its distinctive quadrangle layout and central campus location.
  • 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: Cathedral of Learning
Triple: [Pittsburgh, Pennsylvania, hasLandmark, Cathedral of Learning]
Generated description
The Cathedral of Learning is a 42-story Gothic Revival skyscraper on the University of Pittsburgh campus, renowned as one of the tallest educational buildings in the world.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cathedral of Learning
Target entity description: The Cathedral of Learning is a 42-story Gothic Revival skyscraper on the University of Pittsburgh campus, renowned as one of the tallest educational buildings in the world.
  • A. Sproul Hall
    Sproul Hall is a prominent administrative building and historic focal point for student activism on the University of California, Berkeley campus.
  • B. Sibley Hall
    Sibley Hall is a historic academic building on Cornell University’s Arts Quad, known for housing the College of Architecture, Art, and Planning.
  • C. Wurster Hall
    Wurster Hall is a prominent Brutalist-style academic building at the University of California, Berkeley, housing the College of Environmental Design’s architecture, landscape architecture, and planning programs.
  • D. McGraw Hall
    McGraw Hall is one of Cornell University's historic academic buildings, prominently located on the Arts Quad and housing various humanities and social science departments.
  • E. Kerr Hall
    Kerr Hall is a major academic and classroom complex at Toronto Metropolitan University in downtown Toronto, known for its distinctive quadrangle layout and central campus location.
  • 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_69a4939d37188190848be3d426ebc9ae completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ad0304b081908d4c92bb2beadb81 completed March 1, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a9339ba2e48190872fd771386ba321 completed March 5, 2026, 7:41 a.m.
NEDg Description generation batch_69a963a5b8648190b21d9edaf3d053d2 completed March 5, 2026, 11:06 a.m.
NED2 Entity disambiguation (via description) batch_69a9641f3a5c81908894097ab2177c43 completed March 5, 2026, 11:08 a.m.
Created at: March 1, 2026, 7:39 p.m.